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Eico HF-81

Stereo Integrated Tube Amplifier · 1958-63

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Operation/service/construction manual
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Specifications

Power output
14 watts per channel into 8Ω (stereo)
Frequency response
10Hz to 100kHz
Total harmonic distortion
1%
Damping factor
8
Input sensitivity
6mV (mic), 4mV (MM), 500mV (line)
Signal to noise ratio
57dB (mic), 60dB (MM), 75dB (line)
Speaker load impedance
4Ω to 16Ω
Valve complement
4 x ECC83, 2 x ECC82, 2 x EZ81, 4 x EL84
Dimensions
15 x 4.75 x 10.5 inches
Weight
24 lb (10.9 kg)