Eico HF-87 // Vintage / Stereo Tube Amplifier

SOLD , now part of a Private Collection
The Eico HF-87 is like that old jazz LP you keep going back to—it might be a little worn around the edges, but it’s got soul for days. Born in the early '60s and built for music lovers, not gear heads, this amp wasn't about prestige—it was about pure joy. Whether you bought it as a kit or factory-built, it had one goal: deliver that luscious tube sound at a price the average Joe could swing.
Production
1960-1965
Condition
8/10
Serial No.
1163
Restoration
  • Replaced power supply electrolytic caps with new JJ's
  • Tested all tubes / Good
  • Replaced cathode bypass caps with Nichicon "Fine Gold"
  • Replaced "Surgistor" with Inrush Current Limiter
  • Balanced channel gain using "Level Adj." pots
Factory Specs

Power output: 35 watts per channel into 8Ω (stereo)

Frequency response: 5Hz to 100kHz

Total harmonic distortion: 1%

Damping factor: 11

Input sensitivity: 0.38V

Signal to noise ratio: 90dB

Speaker load impedance: 4Ω to 32Ω

Valve complement: 1 x ECC83/12AX7, 2 x 6SN7GTB, 4 x EL34

Dimensions: 6 x 15 x 11 inches

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 ]
Stock No.
8991722864861
The Eico HF-87 is like that old jazz LP you keep going back to—it might be a little worn around the edges, but it’s got soul for days. Born in the early '60s and built for music lovers, not gear heads, this amp wasn't about prestige—it was about pure joy. Whether you bought it as a kit or factory-built, it had one goal: deliver that luscious tube sound at a price the average Joe could swing.

Production

1960-1965

Condition

8/10

Serial No.

1163

Restoration

  • Replaced power supply electrolytic caps with new JJ's
  • Tested all tubes / Good
  • Replaced cathode bypass caps with Nichicon "Fine Gold"
  • Replaced "Surgistor" with Inrush Current Limiter
  • Balanced channel gain using "Level Adj." pots

Factory Specs

Power output: 35 watts per channel into 8Ω (stereo)

Frequency response: 5Hz to 100kHz

Total harmonic distortion: 1%

Damping factor: 11

Input sensitivity: 0.38V

Signal to noise ratio: 90dB

Speaker load impedance: 4Ω to 32Ω

Valve complement: 1 x ECC83/12AX7, 2 x 6SN7GTB, 4 x EL34

Dimensions: 6 x 15 x 11 inches

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 ]

Stock No.

8991722864861

Eico HF-87 // Vintage / Stereo Tube Amplifier
Eico HF-87 // Vintage / Stereo Tube Amplifier
Eico HF-87 // Vintage / Stereo Tube Amplifier
Eico HF-87 // Vintage / Stereo Tube Amplifier
Eico HF-87 // Vintage / Stereo Tube Amplifier
Eico HF-87 // Vintage / Stereo Tube Amplifier
Eico HF-87 // Vintage / Stereo Tube Amplifier
Eico HF-87 // Vintage / Stereo Tube Amplifier
Eico HF-87 // Vintage / Stereo Tube Amplifier

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