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HH Scott LK-150

Stereo Power Amplifier (1961)

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HH Scott LK-150

Specifications

Power output: 60 watts per channel (stereo)

Total harmonic distortion: 0.5%

Damping factor: 16

Input sensitivity: 1.5V

Signal to noise ratio: 85dB

Speaker load impedance: 4Ω to 16Ω

Valve complement: 2 x 7199, 4 x 6550, 2 x GZ34/5AR4,

Year: 1961

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Reviewed Jun 13th, 2017 by enhaynes2

I bench tested one of these in the 1970s and also gave it a listening test using AR-3a speakers. It certainly put out the power, esp. in the low end with oversize output transformers. However, the sound quality was slightly strident at factory spec.

 

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