Stereo Integrated Amplifier (1982-83)
Power output: 100 watts per channel into 8Ω (stereo)
Frequency response: 20Hz to 20kHz
Total harmonic distortion: 0.008%
Damping factor: 1000
Input sensitivity: 0.2mV (MC), 2.5mV (MM), 150mV (line)
Signal to noise ratio: 69dB (MC), 86dB (MM), 107dB (line)
Output: 150mV (line), 30mV (DIN)
Dimensions: 440 x 109 x 340mm
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Reviewed Jul 26th, 2014 by PZ IX
This device is a Basic M1 with tone control added to the feedback of power amplifier, phono pre-amp and obviously some switches and knobs. Great amplifier with advanced designed circuit (dual output stages, which second turns on at higher output signal levels). Good sound, heating not too much for that power. Quality of components also good.
My vote is 8/10 because of fault which occurs sometimes in K-7x's - damaged transistors on higher power output stage and some in previous stages, but after many years - I think this is reliable amplifier. Excepting this, my rate is 10/10.