With a whopping 75 watts per channel of push-pull tube power, this amazing and rare beast will power almost anything with beautifully fluid midrange without any harshness and deliver the warmth that only a high-end tube amplifier can. All of the tube cages are intact. There are definitely a few scratches on the face that give it a bit of character. Call it patina.
- Production
- 1971-72
- Condition
- Electronic 10/10 Cosmetic 7/10
- Orig. MSRP
- $975
- Restoration
- Full 30 point service check
- Cleaned controls, switches, and chassis
- Tubes all test strong
- Recapped where necessary
- Factory Specs
Power output 75 watts per channel into 8Ω (stereo)
Frequency response 15Hz to 30kHz
Total harmonic distortion 1%
Damping factor 14
Input sensitivity 1.5V
Signal to noise ratio 80dB
Speaker load impedance 4Ω to 16Ω
Valve complement 4 x 12AX7, 8 x 6FQ7, 2 x 6550, 1 x 5881
Dimensions 19"W x 7"H x 12.25"D inches
Weight 52 lbs.
- Documentation
Audio Research Dual 75 Owner's Manual
- The History of Audio Research
- Audio Research Corporation, affectionately known to fans as ARC, was founded by William Z. Johnson, who began designing custom audio electronics in the early 1950’s and who also operated a specialty audio retail store until the mid-1960’s. Johnson’s efforts almost single-handedly revived vacuum-tube designs at a time...
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- Liner Notes
- The DUAL 75 Amplifier is a basic power amplifier of near-military construction aimed at advancing the art of music reproduction. Its dynamic characteristics are without equal when used with commensurate associated equipment.
- Stock No.
- 6849720516776
With a whopping 75 watts per channel of push-pull tube power, this amazing and rare beast will power almost anything with beautifully fluid midrange without any harshness and deliver the warmth that only a high-end tube amplifier can. All of the tube cages are intact. There are definitely a few scratches on the face that give it a bit of character. Call it patina.
