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

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