Eico ST-40 // Integrated Tube Amplifier

SOLD , now part of a Private Collection
Another swanky 60's vintage tube integrated amp. The Eico's have a bit of a cult following. This ST-40 is in beautiful cosmetic condition and has been restored electronically to rock for another 60 years. This just might be the nicest example of an ST-40 you'll ever find.
Production
1960-63
Condition
7.5/10
Serial No.
A39319
Orig. MSRP
$99
Restoration
  • Full service check
  • Cleaned all controls and switches
  • Cleaned tube sockets
  • Recapped signal path with audio quality polypropylene caps
  • Recapped power supply
  • Replaced on/off indicator lamp
  • Modified loudness switch to meet current standards
  • Detailed chassis
Factory Specs

Power output 20 watts per channel into 8Ω (stereo)

Frequency response 40Hz to 20kHz

Total harmonic distortion 1%

Damping factor 11

Input sensitivity 3mV (MM), 360mV (line)

Speaker load impedance 4Ω to 16Ω

Tube complement 2 x 12AX7, 4 x 12DW7, 4 x 7591, 1 x GZ34

Dimensions 403 x 130 x 333mm

Weight 32lbs

The History of Eico
In the late 1960s, EICO introduced a line of solid state electronics audio equipment referred to as Cortina, but by the mid-1970s the only audio products they sold were kits manufactured for them in South Korea. EICO left the audio market in the late 1970s and the electronics market some time later. EICO existed as a...
[ Read More ]
Liner Notes

The Eico ST40 amplifier was available as a kit or fully wired.

Stock No.
7496514470109
Another swanky 60's vintage tube integrated amp. The Eico's have a bit of a cult following. This ST-40 is in beautiful cosmetic condition and has been restored electronically to rock for another 60 years. This just might be the nicest example of an ST-40 you'll ever find.

Production

1960-63

Condition

7.5/10

Serial No.

A39319

Orig. MSRP

$99

Restoration

  • Full service check
  • Cleaned all controls and switches
  • Cleaned tube sockets
  • Recapped signal path with audio quality polypropylene caps
  • Recapped power supply
  • Replaced on/off indicator lamp
  • Modified loudness switch to meet current standards
  • Detailed chassis

Factory Specs

Power output 20 watts per channel into 8Ω (stereo)

Frequency response 40Hz to 20kHz

Total harmonic distortion 1%

Damping factor 11

Input sensitivity 3mV (MM), 360mV (line)

Speaker load impedance 4Ω to 16Ω

Tube complement 2 x 12AX7, 4 x 12DW7, 4 x 7591, 1 x GZ34

Dimensions 403 x 130 x 333mm

Weight 32lbs

The History of Eico

In the late 1960s, EICO introduced a line of solid state electronics audio equipment referred to as Cortina, but by the mid-1970s the only audio products they sold were kits manufactured for them in South Korea. EICO left the audio market in the late 1970s and the electronics market some time later. EICO existed as a...
[ Read More ]

Liner Notes

The Eico ST40 amplifier was available as a kit or fully wired.

Stock No.

7496514470109

Eico ST-40 // Integrated Tube Amplifier
Eico ST-40 // Integrated Tube Amplifier
Eico ST-40 // Integrated Tube Amplifier
Eico ST-40 // Integrated Tube Amplifier
Eico ST-40 // Integrated Tube Amplifier
Eico ST-40 // Integrated Tube Amplifier
Eico ST-40 // Integrated Tube Amplifier
Eico ST-40 // Integrated Tube Amplifier

May We Suggest

SOTA Millennia // Vintage / Vacuum Platter Flagship Turntable / Restored

Sota Millennia // Vintage / Vacuum Platter Flagship Turntable / Restored

$6,999
Sequerra T-1 Mk IV // Vintage / Ribbon Tweeter / Serials 5 & 6

Sequerra T-1 Mk Iv // Vintage / Ribbon Tweeter / Serials 5 & 6

$4,499
MoFi Sourcepoint 10 // New / Bookshelf Speakers / Lowslung Stands

Mofi Sourcepoint 10 // New / Bookshelf Speakers / Lowslung Stands

$2,999
Wharfedale Super Linton // New / Heritage Speakers / With Matching Stands

Wharfedale Super Linton // New / Heritage Speakers / With Matching Stands

$2,499
Sequerra T-1 Mk IV // Vintage / Ribbon Tweeter / Serials 1 & 2

Sequerra T-1 Mk Iv // Vintage / Ribbon Tweeter / Serials 1 & 2

$4,999
Luxman PD121 // Vintage / Direct Drive Turntable / SME 3009 S2 / Goldring E3

Luxman Pd121 // Vintage / Direct Drive Turntable / Sme 3009 S2 / Goldring E3

$1,899
McIntosh MC240 (Late) // Vintage / Stereo Tube Amplifier / Recapped & Restored

Mcintosh Mc240 (late) // Vintage / Stereo Tube Amplifier / Recapped & Restored

$5,499
Nestorovic Labs Alpha-1 (NA-1) // Vintage / Tube Amplifier Monoblocks / 150wpc

Nestorovic Labs Alpha-1 (na-1) // Vintage / Tube Amplifier Monoblocks / 150wpc

$5,999
Theta Digital Miles // Vintage / CD Transport

Theta Digital Miles // Vintage / Cd Transport

$599
Michell Focus One // Vintage / Belt Drive Turntable / New Ortofon Red

Michell Focus One // Vintage / Belt Drive Turntable / New Ortofon Red

$999
Pyramid-Sequerra T-1 // Vintage / Ribbon Tweeter / Rare and Magnificent

Pyramid-sequerra T-1 // Vintage / Ribbon Tweeter / Rare And Magnificent

$3,499
Audio Research VTM200 // Preowned / Tube Amplifier Monoblocks / 907-908

Audio Research Vtm200 // Preowned / Tube Amplifier Monoblocks / 907-908

$5,999
Nagra VPA // Preowned / 845 Monoblock Tube Amplifiers / Recapped / 1139

Nagra Vpa // Preowned / 845 Monoblock Tube Amplifiers / Recapped / 1139

$15,999
M. A. Cotter / Vintage Phono Stage / MC SUT MK 2 / PSC 2 / NFB 2 / PW 2

M. A. Cotter / Vintage Phono Stage / Mc Sut Mk 2 / Psc 2 / Nfb 2 / Pw 2

$6,999
Garrard 301 // Vintage / Idler-Drive Turntable / Custom Slate Plinth / New Denon 103 / 12" SME 3012 Arm

Garrard 301 // Vintage / Idler-drive Turntable / Custom Slate Plinth / New Denon 103 / 12" Sme 3012 Arm

$6,999
Krell KSA-50S // Vintage / Class A Solid-State Amplifier

Krell Ksa-50s // Vintage / Class A Solid-state Amplifier

$1,999
Audio Research Dual 75 / D75 // Vintage Stereo Tube Amplifier

Audio Research Dual 75 / D75 // Vintage Stereo Tube Amplifier

$1,799
Preowned / Benchmark DAC1 // Digital to Analog Converter (DAC)

Preowned / Benchmark Dac1 // Digital To Analog Converter (dac)

$399
Apogee Studio Grand // Preowned / Ribbon Speakers / Black Sand / Mindblowing

Apogee Studio Grand // Preowned / Ribbon Speakers / Black Sand / Mindblowing

$15,999
Apogee Diva // Preowned / Ribbon Speakers / Black

Apogee Diva // Preowned / Ribbon Speakers / Black

$4,999
Oracle Delphi MkV / Preowned // Reference Turntable / Triplanar Arm / Grado RP Cart

Oracle Delphi Mkv / Preowned // Reference Turntable / Triplanar Arm / Grado Rp Cart

$6,999
Mark Levinson No. 26S // Vintage Dual Mono Preamplifier / PLS-226 PSU / 3510

Mark Levinson No. 26s // Vintage Dual Mono Preamplifier / Pls-226 Psu / 3510

$3,499
Grado HP1000 HP-3 // Ultra Rare Open Back Headphones / Joseph Grado Signature

Grado Hp1000 Hp-3 // Ultra Rare Open Back Headphones / Joseph Grado Signature

$2,999
Mark Levinson No. 26S // Vintage Dual Mono Preamplifier / PLS-226 PSU / 3864

Mark Levinson No. 26s // Vintage Dual Mono Preamplifier / Pls-226 Psu / 3864

$3,499
Mark Levinson No. 25S // Vintage Dual Mono MC Phono Preamplifier / PLS-226 PSU / 1707

Mark Levinson No. 25s // Vintage Dual Mono Mc Phono Preamplifier / Pls-226 Psu / 1707

$3,999
Mark Levinson No. 25S // Vintage Dual Mono MC Phono Preamplifier / PLS-226 PSU / 1643

Mark Levinson No. 25s // Vintage Dual Mono Mc Phono Preamplifier / Pls-226 Psu / 1643

$3,999
Mark Levinson No. 25S // Vintage Dual Mono MC Phono Preamplifier / PLS-226 PSU / 1850

Mark Levinson No. 25s // Vintage Dual Mono Mc Phono Preamplifier / Pls-226 Psu / 1850

$3,999
Mark Levinson No. 25S // Vintage Dual Mono MM Phono Preamplifier / PLS-226 PSU / 1747

Mark Levinson No. 25s // Vintage Dual Mono Mm Phono Preamplifier / Pls-226 Psu / 1747

$3,999
Pass Labs XVR1 // Preowned Active Crossover / 3 way / 17047-9

Pass Labs Xvr1 // Preowned Active Crossover / 3 Way / 17047-9

$5,999
Pass Labs XVR1 // Preowned Active Crossover / 3 way / 15041-3

Pass Labs Xvr1 // Preowned Active Crossover / 3 Way / 15041-3

$5,999
Aragon 4004 MKII // Vintage / Dual Mono Solid-State Amplifier

Aragon 4004 Mkii // Vintage / Dual Mono Solid-state Amplifier

$999
Mark Levinson ML-7 // Vintage Solid-State Preamplifier / PLS-154 PSU / 0602

Mark Levinson Ml-7 // Vintage Solid-state Preamplifier / Pls-154 Psu / 0602

$3,999
Mark Levinson ML-7A // Vintage Solid-State Preamplifier / PLS-154 PSU / 1190

Mark Levinson Ml-7a // Vintage Solid-state Preamplifier / Pls-154 Psu / 1190

$3,799
Mark Levinson ML-7A // Vintage Solid-State Preamplifier / PLS-154 PSU / 0112

Mark Levinson Ml-7a // Vintage Solid-state Preamplifier / Pls-154 Psu / 0112

$3,799
Bryston 10B-Sub // Preowned / Active Subwoofer Crossover

Bryston 10b-sub // Preowned / Active Subwoofer Crossover

$1,699
McIntosh MQ102 // Vintage / Environmental Equalizer

Mcintosh Mq102 // Vintage / Environmental Equalizer

$399
Pass Labs XVR1 // Preowned Active Crossover / 2 way

Pass Labs Xvr1 // Preowned Active Crossover / 2 Way

$4,999
Grado PS-1000 // Preowned Professional Series Headphones / Original Box

Grado Ps-1000 // Preowned Professional Series Headphones / Original Box

$999
CAT SL-1 Signature MK2 // Vintage Tube Preamplifier with Phono

Cat Sl-1 Signature Mk2 // Vintage Tube Preamplifier With Phono

$3,999
AudioPax Model 88 // Preowned / KT88 SET Tube Amplifier Monoblocks

Audiopax Model 88 // Preowned / Kt88 Set Tube Amplifier Monoblocks

$3,999
VTL TT25 Tiny Triodes Limited Edition // Preowned / Upgraded 25wpc EL84 Tube Amplifier Monoblocks / Pair 2

Vtl Tt25 Tiny Triodes Limited Edition // Preowned / Upgraded 25wpc El84 Tube Amplifier Monoblocks / Pair 2

$2,799
Cello Audio Palette Multi Input Version // Vintage / Solid state Equalizer / Preamplifier // 0736

Cello Audio Palette Multi Input Version // Vintage / Solid State Equalizer / Preamplifier // 0736

$19,999