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Eico HF-89

Stereo Power Amplifier (1960)

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Eico HF-89

Specifications

Power output: 50 watts per channel into 8Ω (stereo)

Frequency response: 5Hz to 100kHz

Total harmonic distortion: 1%

Damping factor: 12

Input sensitivity: 0.55V

Signal to noise ratio: 90dB

Speaker load impedance: 4Ω to 16Ω

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

Dimensions: 15 x 11 x 6 inches

Weight: 37.5lbs

Year: 1960

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Reviewed Dec 03rd, 2018 by lenjack

Took one to a Macintosh test clinic in the mid 60's. They laughed at it when they saw it, and stopped laughing when they tested it. Except for the area below 50 Hz (cycles,in those days), it tested out exactly like one of their Macs!

 

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