{"title":"Big Amp Blowout","description":"","products":[{"product_id":"vintage-mcintosh-mc2200-solid-state-amplifier-professional-electronic-restoration","title":"Vintage \/ McIntosh MC2200 \/\/ Solid-State Amplifier \/ Professional Electronic Restoration (AU2326)","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe McIntosh MC2200 is a legendary power amplifier that epitomizes the fusion of robust performance, iconic design, and unrivaled build quality. Offering a timeless audio experience, this amp exemplifies the excellence McIntosh is known for. \u003cmeta charset=\"utf-8\"\u003eDelivering 200 watts per channel into 8 ohms, the MC2200 has the power to drive even the most demanding speakers with ease. The sound is quintessential McIntosh: warm, detailed, and incredibly dynamic. The bass is deep and controlled, the mids are smooth and rich, and the highs are crisp without being harsh. From delicate classical pieces to hard-hitting rock tracks, the MC2200 handles it all with finesse.\u003c\/p\u003e\n\u003cp\u003eS\/N: AU2326\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"McIntosh","offers":[{"title":"Default Title","offer_id":45544823029981,"sku":"AU2326","price":2499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/McIntosh_MC2200_00003-2.jpg?v=1722371704"},{"product_id":"original-marantz-model-9-tube-amplifier-monoblocks-fully-restored-holy-grail-collector-pieces-copy","title":"Vintage \/ Marantz Model 9 \/\/ Legendary Monoblock Tube Amplifiers  \/ Original \/ Museum Quality","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eMarantz Model 9 monoblocks are the kind of amplifiers that make you question whether you really need food, electricity, or a roof over your head. Introduced in 1961, these amps are legendary not just for their \u003cmeta charset=\"utf-8\"\u003elush, dynamic, and holographic sound, but for their ability to empty bank accounts faster than you can say \"holy grail\". Still, if you're going to drain your savings on audio gear, the Model 9 is most certainly worth the sacrifice. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eGiven their age, this pair is mesmerizingly clean. And appear to be very close to completely original. It's a testament to how well they were made that they still sound so damned good. \u003cmeta charset=\"utf-8\"\u003eWant a 7c preamp to go with them? Well, stay tuned!\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eCleaned control contacts\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReplaced two 6JD8 tubes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVerified power and distortion better than spec\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpec 70 watts RMS @0.1% THD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTested 71 watts RMS @0.09\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjusted bias\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUnits appears to have all original internal components\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Shipping cost allows us to ship them safely by private courier. As they deserve.\u003c\/p\u003e","brand":"Marantz","offers":[{"title":"Default Title","offer_id":45691047215325,"sku":"CU_92301_92298","price":19999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/Marantz_Model9_2_00019_2da643c2-3bda-4bbd-8050-69cb9d25fc82.jpg?v=1726436864"},{"product_id":"audio-research-vtm200-preowned-tube-amplifier-monoblocks-907-908","title":"Audio Research VTM200 \/\/ Preowned \/ Tube Amplifier Monoblocks \/ 907-908","description":"\u003cp\u003eThe Audio Research VTM200 is like the muscle car of tube amps—big, loud, unapologetically hot (literally), and designed to flex on your entire audio rack. This is not the amp for subtlety or minimalism. Oh no, the VTM200 is here to remind you that 200 watts of tube-fueled firepower is exactly what your speakers have been begging for. Got some power-hungry beasts in your setup? The VTM200 will laugh at their demands and ask for more.\u003c\/p\u003e\n\u003cp\u003eBut let’s be clear: these monoblocks are not here to cuddle your music. They’re here to dominate your listening space with the kind of authority that leaves no room for argument. If you’re looking for delicate restraint, you might want to shop elsewhere—or, better yet, reconsider your taste entirely.\u003c\/p\u003e\n\u003cp\u003eShips in original packaging\u003c\/p\u003e\n\u003cp\u003eS\/N: \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e50201907\/50201908\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eReplaced two 6N1P tubes and one 6550 tube\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAll tubes test good\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCleaned bias switches\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCleaned inside units\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDetailed exterior\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVerified power supply voltages\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjusted bias\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTested and confirmed power and distortion at spec\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Audio Research","offers":[{"title":"Default Title","offer_id":45949644734685,"sku":"CU_50201907-50201908","price":5999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/AudioResearch_VTM200_00002.jpg?v=1734022489"},{"product_id":"mark-levinson-no-33h-solid-state-monoblock-amplifiers-orig-crates","title":"Mark Levinson No. 33H \/\/ Solid-State Monoblock Amplifiers \/ Orig. Crates \/ 1574-5","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe Mark Levinson No. 33H isn’t just an amplifier—it’s a monument to excessive audiophile indulgence. Weighing in at nearly 175 pounds a piece, these “space saving” monoblocks are less “amps” and more “structural reinforcements.” Your back will hate you for buying them, but your ears? Oh, they’ll love you forever.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eReplaced safety capacitors in both units\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVerified power and distortion readings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSN1574 151 Watts RMS into 8 Ohms@ 0.014% THD+N\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSN1575 152 Watts RMS into 8 Ohms@ 0.03% THD+N\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eUnits make slight popping sound from the speakers when powering on and off \u003c\/span\u003e\u003cspan\u003eSame across all 6 amps tested.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUnits come with Operating Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBoth units have slight crackling on plastic speaker terminals but work fine\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mark Levinson","offers":[{"title":"Default Title","offer_id":46031393652957,"sku":"CU_1574-1575","price":9999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/MarkLev_33H_1574_1575_00003.jpg?v=1736636231"},{"product_id":"audio-research-vtm200-preowned-tube-amplifier-monoblocks-905-906","title":"Audio Research VTM200 \/\/ Preowned \/ Tube Amplifier Monoblocks \/ 905-906","description":"\u003cp\u003eThe Audio Research VTM200 is like the muscle car of tube amps—big, loud, unapologetically hot (literally), and designed to flex on your entire audio rack. This is not the amp for subtlety or minimalism. Oh no, the VTM200 is here to remind you that 200 watts of tube-fueled firepower is exactly what your speakers have been begging for. Got some power-hungry beasts in your setup? The VTM200 will laugh at their demands and ask for more.\u003c\/p\u003e\n\u003cp\u003eBut let’s be clear: these monoblocks are not here to cuddle your music. They’re here to dominate your listening space with the kind of authority that leaves no room for argument. If you’re looking for delicate restraint, you might want to shop elsewhere—or, better yet, reconsider your taste entirely.\u003c\/p\u003e\n\u003cp\u003eShips in original packaging\u003c\/p\u003e\n\u003cp\u003eS\/N: \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e50201905\/50201906\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTested all tubes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan\u003eReplaced 6L6 in #1905 with strong tube from stock\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRepaired bad connections on bias switch\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCleaned bias switch\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjusted bias\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReplaced missing chassis cover screws\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e#1905 200 watts RMS into 8 Ohms @0.98% THD+N\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e#1906 199 watts RMS into 8 Ohms @0.94% THD+N\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUnit comes with original box\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Audio Research","offers":[{"title":"Default Title","offer_id":46048845005021,"sku":"CU_50201905-50201906","price":5999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/AudioResearch_VTM200_905_906_00001-2.jpg?v=1737312337"},{"product_id":"mark-levinson-no-33h-solid-state-monoblock-amplifiers-orig-crates-1646-7","title":"Mark Levinson No. 33H \/\/ Solid-State Monoblock Amplifiers \/ Orig. Crates \/ 1646-7","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe Mark Levinson No. 33H isn’t just an amplifier—it’s a monument to excessive audiophile indulgence. Weighing in at nearly 175 pounds a piece, these “space saving” monoblocks are less “amps” and more “structural reinforcements.” Your back will hate you for buying them, but your ears? Oh, they’ll love you forever.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-attr-charset=\"dXRmLTg=\" data-encoded-tag-value=\"\" data-encoded-tag-name=\"meta\"\u003e\u003cspan\u003eSN 1647 154 Watts RMS into 8 Ohms@ 0.012% THD+N\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-attr-charset=\"dXRmLTg=\" data-encoded-tag-value=\"\" data-encoded-tag-name=\"meta\"\u003e\u003cspan\u003eUnits make slight popping sound from the speakers when powering on and off (all 6 units tested)\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-attr-charset=\"dXRmLTg=\" data-encoded-tag-value=\"\" data-encoded-tag-name=\"meta\"\u003e\u003cspan\u003eEach unit comes with \"Operating Manual.\"\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Mark Levinson","offers":[{"title":"Default Title","offer_id":46055131152605,"sku":"CU_1646-1647","price":9999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/MarkLev_33H_1646_1647_00001.jpg?v=1737497292"},{"product_id":"aragon-palladium-vintage-solid-state-monoblock-amplifiers","title":"Aragon Palladium \/\/ Vintage \/ Solid-State Monoblock Amplifiers \/ Balanced Inputs \/ 030322\/030323","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe Aragon Palladium monoblock amplifiers are like the heavyweight champions of the audio world—powerful, refined, and ready to knock you out with their sonic prowess. Crafted by Mondial Designs, these amps are a testament to the art of amplification, delivering both brute strength and delicate finesse. \u003cmeta charset=\"utf-8\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem]\"\u003eAt first glance, the Palladiums exude an industrial elegance.\u003c\/span\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem]\"\u003eTheir robust chassis, adorned with distinctive \"V\" shaped heat sinks, not only make a visual statement but also serve a critical function in heat dissipation.\u003c\/span\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem]\"\u003eWeighing in at a hefty 76 pounds each, these monoblocks are built like tanks, featuring a massive toroidal transformer at their core.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem]\"\u003eS\/N: 030322 \/ 030323\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eVerified good condition of resistors R201 and R203\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUnits pass mfg specs for power and distortion at 1 kHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSerial #030323 101 watts RMS into 8 ohms @ 0.01% THD+N\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSerial #030322 100 watts RMS into 8 ohms @ 0.01% THD+N\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePOWER\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e100 watts per channel continuous into 8 ohms 20-20Khz \u003c\/p\u003e\n\u003cp\u003eat no more than .03% THD\u003c\/p\u003e\n\u003cp\u003e600 watts per channel into 4 ohms 20-20khz\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSIGNAL TO NOISE RATIO\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e112db A Weighted\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eINPUT SENSITIVITY\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e150mV for 1 Watt Output\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eINPUT IMPEDENCE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e6000\/44k ohms\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMAXIMUM POWER CONSUMPTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1600 Watts\u003c\/p\u003e","brand":"Aragon","offers":[{"title":"Default Title","offer_id":46318893269213,"sku":"CU_030322-030323","price":2999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/Aragon_Palladium_0322_0323_00002.jpg?v=1743195636"},{"product_id":"aragon-palladium-vintage-solid-state-monoblock-amplifiers-balanced-inputs-030447-030446","title":"Aragon Palladium \/\/ Vintage \/ Solid-State Monoblock Amplifiers \/ Balanced Inputs \/ 030446\/030447","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe Aragon Palladium monoblock amplifiers are like the heavyweight champions of the audio world—powerful, refined, and ready to knock you out with their sonic prowess. Crafted by Mondial Designs, these amps are a testament to the art of amplification, delivering both brute strength and delicate finesse. \u003cmeta charset=\"utf-8\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem]\"\u003eAt first glance, the Palladiums exude an industrial elegance.\u003c\/span\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem]\"\u003eTheir robust chassis, adorned with distinctive \"V\" shaped heat sinks, not only make a visual statement but also serve a critical function in heat dissipation.\u003c\/span\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem]\"\u003eWeighing in at a hefty 76 pounds each, these monoblocks are built like tanks, featuring a massive toroidal transformer at their core.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem]\"\u003eS\/N: 030446 \/ 030447\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eReplaced resistors R201, R202 in both units\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTightened loose screws to heat sink on amp board.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVerified power and distortion meets specs at 1kHz:\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSerial # 030446 100 watts RMS into 8 ohms @0.02% THD+N\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSerial # 030447 100 watts RMS into 8 ohms @0.01% THD+N\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFACTORY SPECS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePOWER\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e100 watts per channel continuous into 8 ohms 20-20Khz \u003c\/p\u003e\n\u003cp\u003eat no more than .03% THD\u003c\/p\u003e\n\u003cp\u003e600 watts per channel into 4 ohms 20-20khz\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSIGNAL TO NOISE RATIO\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e112db A Weighted\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eINPUT SENSITIVITY\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e150mV for 1 Watt Output\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eINPUT IMPEDENCE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e6000\/44k ohms\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMAXIMUM POWER CONSUMPTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1600 Watts\u003c\/p\u003e","brand":"Aragon","offers":[{"title":"Default Title","offer_id":46320875929821,"sku":"CU_030446-030447","price":2999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/Aragon_Palladium_0446_0447_00002.jpg?v=1743272222"},{"product_id":"aragon-palladium-vintage-solid-state-monoblock-amplifiers-balanced-inputs-030324-030325","title":"Aragon Palladium \/\/ Vintage \/ Solid-State Monoblock Amplifiers \/ Balanced Inputs \/ 030324\/030325","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe Aragon Palladium monoblock amplifiers are like the heavyweight champions of the audio world—powerful, refined, and ready to knock you out with their sonic prowess. Crafted by Mondial Designs, these amps are a testament to the art of amplification, delivering both brute strength and delicate finesse. \u003cmeta charset=\"utf-8\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem]\"\u003eAt first glance, the Palladiums exude an industrial elegance.\u003c\/span\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem]\"\u003eTheir robust chassis, adorned with distinctive \"V\" shaped heat sinks, not only make a visual statement but also serve a critical function in heat dissipation.\u003c\/span\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem]\"\u003eWeighing in at a hefty 76 pounds each, these monoblocks are built like tanks, featuring a massive toroidal transformer at their core.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem]\"\u003eS\/N: 030324 \/ 030325\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eVerified good condition of resistors R201 and R203\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eVerified proper operation\u003c\/li\u003e\n\u003cli\u003eVerified power at 100 Watts RMS into 8 ohms @ 0.02% THD or better at 1kHz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePOWER\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e100 watts per channel continuous into 8 ohms 20-20Khz \u003c\/p\u003e\n\u003cp\u003eat no more than .03% THD\u003c\/p\u003e\n\u003cp\u003e600 watts per channel into 4 ohms 20-20khz\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSIGNAL TO NOISE RATIO\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e112db A Weighted\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eINPUT SENSITIVITY\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e150mV for 1 Watt Output\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eINPUT IMPEDENCE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e6000\/44k ohms\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMAXIMUM POWER CONSUMPTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1600 Watts\u003c\/p\u003e","brand":"Aragon","offers":[{"title":"Default Title","offer_id":46320949362909,"sku":"CU_030324-030325","price":2999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/Aragon_Palladium_0324_0325_00004.jpg?v=1743273766"},{"product_id":"aragon-palladium-vintage-solid-state-monoblock-amplifiers-balanced-inputs-030206-030207","title":"Aragon Palladium \/\/ Vintage \/ Solid-State Monoblock Amplifiers \/ Balanced Inputs \/ 030206\/030207","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe Aragon Palladium monoblock amplifiers are like the heavyweight champions of the audio world—powerful, refined, and ready to knock you out with their sonic prowess. Crafted by Mondial Designs, these amps are a testament to the art of amplification, delivering both brute strength and delicate finesse. \u003cmeta charset=\"utf-8\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem]\"\u003eAt first glance, the Palladiums exude an industrial elegance.\u003c\/span\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem]\"\u003eTheir robust chassis, adorned with distinctive \"V\" shaped heat sinks, not only make a visual statement but also serve a critical function in heat dissipation.\u003c\/span\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem]\"\u003eWeighing in at a hefty 76 pounds each, these monoblocks are built like tanks, featuring a massive toroidal transformer at their core.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem]\"\u003eS\/N: 030206 \/ 030207\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eReplaced R201, R202 Resistors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReplaced C11, C10 Capacitors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTightened amp board screws\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVerified unit meets mfg specs at 1kHz for power and distortion\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePOWER\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e100 watts per channel continuous into 8 ohms 20-20Khz \u003c\/p\u003e\n\u003cp\u003eat no more than .03% THD\u003c\/p\u003e\n\u003cp\u003e600 watts per channel into 4 ohms 20-20khz\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSIGNAL TO NOISE RATIO\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e112db A Weighted\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eINPUT SENSITIVITY\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e150mV for 1 Watt Output\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eINPUT IMPEDENCE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e6000\/44k ohms\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMAXIMUM POWER CONSUMPTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1600 Watts\u003c\/p\u003e","brand":"Aragon","offers":[{"title":"Default Title","offer_id":46371017916637,"sku":"CU_030206-030207","price":2999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/Aragon_Palladium_0206_0207_00001.jpg?v=1745012869"},{"product_id":"krell-mda-500-vintage-class-a-solid-state-monoblock-amplifiers","title":"Krell MDA-500 \/\/ Vintage \/ Class A Solid-State Monoblock Amplifiers","description":"\u003cp\u003eImagine strapping a V12 engine to your stereo setup and letting it rip—that’s the Krell MDA-500. A monoblock monster born in the early ‘90s, this amp doesn’t just play music; it commands it. With a jaw-dropping 500 watts into 8 ohms and the guts to push out 4000 watts into 1 ohm (yes, really), it’s the kind of amp that laughs in the face of inefficient speakers and eats dynamic swings for breakfast.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe MDA-500 doesn’t do warmth, color, or sugarcoating—it’s a truth-teller. What you feed it is what you get, just magnified with immense control. Bass is seismic but never bloated, mids are honest and wide open, and the highs shimmer without glare. The soundstage? Enormous. Think of it as a live show in your living room, but without the drunk guy spilling beer on your shoes.\u003c\/p\u003e\n\u003cp\u003eS\/N: 19-29048 \/ 19-29055\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eTested well at 500W into 8ohm - 0.1%\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eReplaced Negative binding posts on both amps\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eFACTORY SPECS\u003c\/p\u003e\n\u003cp\u003ePower output: 500 watts into 8Ω (mono)\u003c\/p\u003e\n\u003cp\u003eFrequency response: 20Hz to 20kHz\u003c\/p\u003e\n\u003cp\u003eTotal harmonic distortion: 0.3%\u003c\/p\u003e\n\u003cp\u003eDamping factor: 50\u003c\/p\u003e\n\u003cp\u003eSignal to noise ratio: 108dB\u003c\/p\u003e\n\u003cp\u003eSpeaker load impedance: 1Ω (minimum)\u003c\/p\u003e\n\u003cp\u003eDimensions: 19 x 8.5 x 21.25 inches\u003c\/p\u003e\n\u003cp\u003eWeight: 132lbs each\u003c\/p\u003e","brand":"Krell","offers":[{"title":"Default Title","offer_id":46408457158877,"sku":"CU_19-29048_19-29055","price":6499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/Krell_MDA500_9048_9055_00006.jpg?v=1746304149"},{"product_id":"nyal-julius-futterman-otl3-vintage-tube-amplifier-monoblocks","title":"NYAL Julius Futterman OTL-3 \/\/ Vintage \/ Tube Amplifier Monoblocks","description":"\u003cp\u003e\u003cspan\u003e\u003c\/span\u003eIf most tube amps are romantic poets, the Futterman OTL-3 monoblocks are eccentric mad scientists—brilliant, unconventional, and totally unforgettable. Born from Julius Futterman's groundbreaking ideas and brought to life by New York Audio Laboratories in the ‘80s, these amps didn’t just challenge norms—they rewrote them. \u003c\/p\u003e\n\u003cp\u003eAt the heart of the OTL-3 is Futterman’s radical idea: ditch the output transformer. Most tube amps need one to match the high output impedance of tubes to your speakers—but not these. The OTL-3 delivers power directly to your speakers, which means breathtaking transparency and immediacy. You’re not just hearing the music—you’re feeling the air move in the studio.\u003c\/p\u003e\n\u003cp\u003eThese monoblocks are all about speed, clarity, and spatial magic. The highs are lightning-fast without ever getting harsh, the mids are beautifully liquid, and the bass—while not thunderous—is tight, nimble, and full of tone. Their imaging is precise, with a soundstage that feels holographic when paired with the right speakers. You’ll catch subtleties in familiar tracks you never knew existed.\u003c\/p\u003e\n\u003cp\u003eBut here’s the kicker: they demand synergy. They shine with high-impedance, efficient speakers—think electrostatics or classic horns. Pair them right, and they’re spellbinding.\u003c\/p\u003e\n\u003cp\u003eS\/N: P84001\/P84002\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCleaned selector switches\u003c\/li\u003e\n\u003cli\u003eAdjusted bias and balance\u003c\/li\u003e\n\u003cli\u003eTightened RCA jacks\u003c\/li\u003e\n\u003cli\u003eRemedied missing threads on top cover screw\u003c\/li\u003e\n\u003cli\u003eVerified output power and distortion at 1kHz\u003c\/li\u003e\n\u003cli\u003e#P84002 100 watts RMS into 16 ohms @0.18% THD\u003c\/li\u003e\n\u003cli\u003e#P84001 100 watts RMS into 16 ohms @0.45% THD\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NYAL","offers":[{"title":"Default Title","offer_id":46422522003677,"sku":"CU_P84001\/P84002","price":6999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/Futterman_OTL3_84001_84002_00008.jpg?v=1746905667"},{"product_id":"pass-labs-aleph-0-vintage-class-a-monoblock-amplifier-single-7640","title":"Pass Labs Aleph 0 \/\/ Vintage \/ Class A Monoblock Amplifier \/\/ Single \/ 7640","description":"\u003cp\u003eThe Pass Labs Aleph 0 is the kind of amp that doesn’t just play music—it speaks it. It's unapologetically old-school, carved from the golden era of high-end audio, when gear was built to last and designed to make you feel every note. It’s big, it’s bold, it runs hot, and it absolutely delivers.\u003c\/p\u003e\n\u003cp\u003eS\/N: 7640\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eAdjusted DC offset\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjusted bias\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVerified both RCA and XLR inputs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVerified unit meets mfg specs for power and distortion at 1kHz- 75 Watts RMS per channel into 8 ohms @ \u0026lt; 1% THD\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFACTORY SPECS\u003c\/p\u003e\n\u003cp\u003ePower output: 75 watts into 8Ω (mono)\u003c\/p\u003e\n\u003cp\u003eFrequency response: 0Hz to 100kHz\u003c\/p\u003e\n\u003cp\u003eTotal harmonic distortion: 1%\u003c\/p\u003e\n\u003cp\u003eGain: 20 dB\u003c\/p\u003e\n\u003cp\u003eDimensions: 12 x 12 x 10.5 inches\u003c\/p\u003e\n\u003cp\u003eWeight: 68lbs \u003c\/p\u003e","brand":"Pass Labs","offers":[{"title":"Default Title","offer_id":46464855998685,"sku":"CU_7640","price":1499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/PassLabs_Aleph0_Single_7640_00002.jpg?v=1748726287"},{"product_id":"mark-levinson-no-20-6-solid-state-monoblock-amplifier-single-7430","title":"Mark Levinson No. 20.6 \/\/ Solid-State Monoblock Amplifier \/\/ Single \/ 7430","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe Mark Levinson No. 20.6 monoblocks are the kind of amps that make audiophiles whisper reverently. Born in the early '90s, these beasts are pure Class A, delivering 100 watts into 8 ohms and doubling to 200 watts into 4 ohms. But it's not just about the numbers; it's about the experience.\u003c\/p\u003e\n\u003cp\u003eS\/N: \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e7430\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTested inputs \/ outputs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVerified power and distortion at 1kHz:\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e102 watts RMS into 8 ohms @ 0.0009% THD+N!\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDetailed exterior\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFACTORY SPECS\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePower output: 100 watts per channel into 8Ω (stereo)\u003c\/p\u003e\n\u003cp\u003eFrequency response: 4Hz to 140kHz\u003c\/p\u003e\n\u003cp\u003eTotal harmonic distortion: 0.2%\u003c\/p\u003e\n\u003cp\u003eGain: 26.9 dB\u003c\/p\u003e\n\u003cp\u003eDimensions: 444 x 478 x 209mm\u003c\/p\u003e\n\u003cp\u003eWeight: 90lbs each\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Mark Levinson","offers":[{"title":"Default Title","offer_id":46464857243869,"sku":"CU_7430","price":2499.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/MarkLevinson_20p6_SINGLE_7430_00003.jpg?v=1748726568"},{"product_id":"nyal-julius-futterman-otl-2b-vintage-stereo-tube-amplifier","title":"NYAL Julius Futterman OTL-2B \/\/ Vintage \/ Stereo Tube Amplifier \/ Restored and Super Rare","description":"\u003cp\u003eDive into the legacy of Julius Futterman, the inventor of the legendary OTL (Output Transformer-Less) tube amplifier topology, brought to commercial life by New York Audio Labs (NYAL). The OTL‑2B is a rarer, lower-powered (10wpc) sibling in that iconic lineage—an electrifying slice of hi-fi history. \u003cmeta charset=\"utf-8\"\u003eThe OTL‑2B is far rarer than the flagship OTL‑1, with Japanese-market variants offering about 10 watts—delicate but captivating in smaller systems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"494\" data-end=\"574\"\u003e\n\u003cp data-start=\"496\" data-end=\"574\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-start=\"0\" data-end=\"23\" data-is-only-node=\"\"\u003eFast, airy dynamics\u003c\/strong\u003e with a wide bandwidth (up to 250 kHz in some models), delivering crisp attack and bloom\u003c\/span\u003e .\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"575\" data-end=\"657\"\u003e\n\u003cp data-start=\"577\" data-end=\"657\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-start=\"0\" data-end=\"26\" data-is-only-node=\"\"\u003eLow impedance coupling\u003c\/strong\u003e means excellent control over reactive or challenging speakers—electrostats, ribbons, oddball vintage cabs welcomed\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"658\" data-end=\"740\"\u003e\n\u003cp data-start=\"660\" data-end=\"740\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-start=\"0\" data-end=\"20\" data-is-only-node=\"\"\u003eNatural tonality\u003c\/strong\u003e: smooth mids, detailed highs, and no transformer coloration—just pure, direct tube sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cmeta charset=\"utf-8\"\u003eThis piece has a few small nicks and scratches, but is remarkably clean.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eS\/N: \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e84050225\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplaced two missing 6LU8 tubes\u003c\/li\u003e\n\u003cli\u003eReplaced electrolytic capacitors on main board\u003c\/li\u003e\n\u003cli\u003eReplaced missing relay\u003c\/li\u003e\n\u003cli\u003eReplaced degraded filter media\u003c\/li\u003e\n\u003cli\u003eVerified bias settings\u003c\/li\u003e\n\u003cli\u003eTested for power and distortion at 1kHz:\u003c\/li\u003e\n\u003cli\u003eRight Channel- 10.1 Watts RMS into 8 ohms @0.393% THD+N\u003c\/li\u003e\n\u003cli\u003eLeft Channel- 10.4 Watts RMS into 8 ohms @0.515% THD+N\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NYAL","offers":[{"title":"Default Title","offer_id":46525283696861,"sku":"CU_84050225","price":5999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/JFutterman_OTL2B_0225_00001.jpg?v=1750972371"},{"product_id":"nagra-vpa-preowned-845-monoblock-tube-amplifiers-recapped-217-218","title":"Nagra VPA \/\/ Preowned \/ 845 Monoblock Tube Amplifiers \/ Recapped \/ 217-218","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe Nagra VPA monoblock tube amps are the kind of gear that make audiophiles weak in the knees. This absolutely minty pair has certainly got us struggling to walk. Known for their Swiss precision and audiophile-level engineering, Nagra is a name that commands respect in the high-end audio world, and the VPA amplifiers are no exception. These sleek, powerful, and aesthetically minimalist amps are designed to deliver pure, unadulterated tube magic, all while looking like something that could’ve been pulled straight from a high-tech lab. \u003cmeta charset=\"utf-8\"\u003eThey are the ultimate expression of tube audio engineering, offering a sublime combination of warmth, detail, and precision in a stunning, compact package. Their sound is richly musical, with a level of transparency and depth that will captivate you from the first note. For the audiophile seeking a no-compromise tube amp that looks as good as it sounds, the VPA stands as a timeless classic that will elevate any high-end audio system.\u003c\/p\u003e\n\u003cp\u003eRecapped and oh so sexy. This pair has a few small scratches and a slight ding on one of the meters (pictured), but definitely not noticeable at any distance. \u003c\/p\u003e\n\u003cp\u003e*These will ship via private courier.\u003c\/p\u003e\n\u003cp\u003eS\/N: 5521217 \/ 5521218\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRecapped Power supply electrolytics with Nichicon 105 degree capacitors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReflowed cold solder joint on one of the caps in the \"HT Driver\" section\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBiased\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExtensive audio testing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDetailed\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nagra","offers":[{"title":"Default Title","offer_id":46648345919709,"sku":"5521217-8","price":13999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/Nagra_VPA_217_218_00001.jpg?v=1754582628"},{"product_id":"nestorovic-labs-alpha-1-na-1-vintage-tube-amplifier-monoblocks-150wpc-a000174-175","title":"Nestorovic Labs Alpha-1 (NA-1) \/\/ Vintage \/ Tube Amplifier Monoblocks \/ 150wpc (A000174-175)","description":"\u003cp\u003eThe Nestorovic Labs NA-1 tube monoblocks are a high-end statement amplifier, designed by the legendary Mile Nestorovic of McIntosh fame, to deliver exceptional musicality, dynamics, and transparency. These amplifiers represent the pinnacle of Nestorovic’s engineering philosophy: blending traditional tube warmth with innovative circuit design to achieve uncompromising sound quality. Rare and highly regarded by audiophiles and collectors, the Alpha 1 (NA-1) monoblocks are both a work of art and a sonic masterpiece.\u003c\/p\u003e\n\u003cp\u003eS\/N: A000174 \/ A000175\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplaced all output tubes with 6KD6 tubes\u003c\/li\u003e\n\u003cli\u003eReplaced 5 x 6DJ8 tubes in voltage amplifier stage\u003c\/li\u003e\n\u003cli\u003eReplaced broken switch\u003c\/li\u003e\n\u003cli\u003eResoldered intermittent connections on tube sockets\u003c\/li\u003e\n\u003cli\u003eReplaced all lamps\u003c\/li\u003e\n\u003cli\u003eVerified power and distortion at 1 kHz\u003c\/li\u003e\n\u003cli\u003eSN A000174 150 watts RMS into 8 ohms @ 0.215% THD+N\u003c\/li\u003e\n\u003cli\u003eSN A000175 151 watts RMS into 8 ohms @0.126% THD+N\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nestorovic Labs","offers":[{"title":"Default Title","offer_id":46693211668701,"sku":"A000174-175","price":5999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/Nestorovic_NA1_0174_0175_00002.jpg?v=1755883911"},{"product_id":"audio-research-reference-300-mkii-preowned-tube-monoblock-amplifiers-restored-retubed-31301501-2","title":"Audio Research Reference 300 mkII \/\/ Preowned \/ Tube Monoblock Amplifiers \/ Restored \u0026 Retubed (31301501\/2)","description":"\u003cp\u003eThe Audio Research Reference 300 MkII monoblocks are tube power amplification at its most unapologetically grand—massive, glowing, and absolutely regal in the way they command a system. Delivering 300 watts of pure tube authority from banks of 6550s, these amps don’t just drive speakers—they take control of them, with a combination of grip, scale, and tonal beauty that very few tube designs have ever matched.\u003c\/p\u003e\n\u003cp\u003eSonically, they’re classic ARC at the peak of its Reference-era prowess: huge dynamic swings, a holographic soundstage you can practically step into, and mids that bloom with lifelike presence without ever slipping into syrup. Highs are extended and airy, bass is shockingly tight for tube muscle of this size, and the overall presentation is one of effortless, unforced power.\u003c\/p\u003e\n\u003cp\u003eVisually, the Ref 300 MkIIs radiate that iconic ARC laboratory aesthetic—industrial, purposeful, and glowing with the warm confidence of dozens of tubes ready to make music feel enormous. These monoblocks aren’t just amplifiers; they’re endgame statements for listeners who want the emotional reach of tubes and the scale of a powerhouse.\u003c\/p\u003e\n\u003cp\u003eS\/N: \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e31301501 \/ 31301502\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRESTORATION\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBoth units have new matched octets of Tung-Sol 6550's\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBoth units have 3 new 6AS7 tubes in the power supply\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe following for both units:\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstalled jumpers to bypass faulty circuit board traces\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReplaced 8 resistors in power supply\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReplaced 2 mosfet power supply regulators\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReplaced 2 zener diodes in power supply\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReplaced 4 film capacitors in power supply\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjusted bias\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFACTORY SPECS\u003c\/p\u003e\n\u003cp\u003ePower output\u003cbr\u003e280 watts continuous at 16 ohms from 20Hz to 20kHz with less than 1% total harmonic distortion (typically less than .05% at 1 watt). Actual maximum power available (at the point of clipping) is dependent upon the following: 1) power line voltage. 2) power line condition (ie: regulation, distortion). 3) type and brand of power output tube used. Typical power under average circumstances will be around 290 watts. Maximum power under ideal conditions will be around 300 watts.\u003cbr\u003ePower bandwidth\u003cbr\u003e(-3dB points) 12Hz to 100kHz\u003cbr\u003eFrequency response\u003cbr\u003e(-3dB points at 1 watt) 0.5Hz to 160 kHz\u003cbr\u003eInput sensitivity\u003cbr\u003e1.75V RMS balanced for rated output. (32dB gain into 16 ohms)\u003cbr\u003eInput impedance\u003cbr\u003e200K ohms balanced\u003cbr\u003eOutput taps\u003cbr\u003e1, 2, 4, 8, 16 ohms\u003cbr\u003eOutput regulation\u003cbr\u003eApproximately 0.8dB 16 ohm load to open circuit\u003cbr\u003eOverall negative feedback\u003cbr\u003e10dB\u003cbr\u003eDamping factor\u003cbr\u003eApproximately 11\u003cbr\u003eHum \u0026amp; noise\u003cbr\u003eLess than 0.2mV RMS –110dB below rated output (IHF weighted, input shorted, 16 ohm output)\u003cbr\u003ePower supply energy storage\u003cbr\u003eApproximately 448 joules\u003cbr\u003ePower requirements\u003cbr\u003e105–125VAC 60Hz (210–250VAC 50Hz) 900 watts at rated output, 1200 watts maximum, 480 watts at idle, 280 watts standby\u003cbr\u003eTube complement\u003cbr\u003e(4 matched pairs) 6550C power output, (4) 6H30 triodes, (3) matched 6A57, (2) 6N1P.\u003cbr\u003eDimensions\u003cbr\u003e19\" (48.3 cm) W x 10½\" (26.7 cm) H x 23½\" (59.7 cm) D. Handles extend 1½\" (3.8 cm) forward\u003cbr\u003eWeight\u003cbr\u003e132 lbs. (59.9 kg) Net; Shipped in pairs, 410 lbs. (186 kg) per pair\u003c\/p\u003e","brand":"Audio Research","offers":[{"title":"Default Title","offer_id":47101705421021,"sku":"31301501-2","price":14999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/AudioReas_Ref300_1501_1502_00001.jpg?v=1765497560"},{"product_id":"harvard-electronics-h3-futterman-vintage-otl-stereo-tube-amplifier-restored-and-extremely-rare","title":"Harvard Electronics H3 - Futterman \/\/ Vintage \/ OTL Stereo Tube Amplifier \/ Restored and Extremely Rare (A)","description":"\u003cp\u003eThe Harvard Electronics H3 is a rare and fascinating piece of vintage hi-fi history—an OTL (Output Transformerless) tube amplifier designed by Julius Futterman himself. That alone puts it in rarified company. Like Futterman’s later and better-known designs, the H3 ditches output transformers in favor of a direct, wide-bandwidth signal path, resulting in a sound that’s startlingly open, immediate, and alive. The presentation is pure Futterman: a holographic midrange, lightning-fast transients, and an unfiltered sense of connection to the music that feels almost electrostatic in character.\u003c\/p\u003e\n\u003cp\u003eBuilt in an era when audio design was fearless and personal, the H3 isn’t just rare—it’s historically significant. It carries the unmistakable fingerprint of one of hi-fi’s most radical thinkers and offers a glimpse into the early evolution of OTL amplification. For collectors and listeners alike, this is the kind of amplifier that doesn’t just play music—it tells a story.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eS\/N: \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eN\/A\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstalled new 6ej7 tubes\u003c\/li\u003e\n\u003cli\u003eAdjusted bias\u003c\/li\u003e\n\u003cli\u003eCleaned control contacts\u003c\/li\u003e\n\u003cli\u003eVerified power and distortion at 1kHz :\u003c\/li\u003e\n\u003cli\u003eLeft Channel 21.2 watts RMS into 8 ohms @0.328%THD+N\u003c\/li\u003e\n\u003cli\u003eRight Channel 22.0 watts RMS into 8 ohms @0.305%THD+N\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstalled new 6ej7 tubes\u003cbr\u003eAdjusted bias\u003cbr\u003eCleaned control contacts\u003cbr\u003eVerified power and distortion at 1kHz :\u003cbr\u003eLeft Channel 21.2 watts RMS into 8 ohms @0.328%THD+N\u003cbr\u003eRight Channel 22.0 watts RMS into 8 ohms @0.305%THD+N\u003c\/p\u003e","brand":"Harvard Electronics","offers":[{"title":"Default Title","offer_id":47285794341085,"sku":null,"price":4999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/Harvard_ModelH3_NSN_00003.jpg?v=1768956025"},{"product_id":"krell-evolution-evo-402-preowned-solid-state-stereo-amplifier-400wpc","title":"Krell Evolution (Evo) 402 \/\/ Preowned \/ Solid-State Stereo Amplifier \/ 400wpc","description":"\u003cp\u003eThe Krell Evolution (EVO) 402 is classic big-iron Krell—serious power, absolute control, and zero apologies. Delivering 400 watts per channel into 8 ohms (and doubling down as impedance drops), the EVO 402 grabs hold of speakers with vice-like authority, serving up thunderous bass, explosive dynamics, and a sense of scale that feels effortless no matter how hard you push it. Yet it’s not just brute force—the midrange is clean and confident, imaging is rock solid, and the overall presentation is commanding without being cold. Built like a tank and voiced with that unmistakable Krell swagger, the EVO 402 is the kind of amplifier that makes everything downstream sound bigger, bolder, and more alive. It doesn’t ask politely—it takes control of your system.\u003c\/p\u003e\n\u003cp\u003e*Ships via courier in its original packaging\u003c\/p\u003e\n\u003cp\u003eS\/N: \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e58506110030\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThoroughly cleaned internal electronics\u003c\/li\u003e\n\u003cli\u003eDetailed exterior\u003c\/li\u003e\n\u003cli\u003eProfessionally tested. Performs at factory spec\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Krell","offers":[{"title":"Default Title","offer_id":47302211076317,"sku":"58506110030","price":4599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/4884\/9576\/files\/Krell_EV_402_0030_00003_d428935f-b6f1-4077-832a-169f271b1a12.jpg?v=1769194495"}],"url":"https:\/\/auralhifi.com\/collections\/big-amp-blowout.oembed","provider":"Aural HiFi","version":"1.0","type":"link"}