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Kenwood KA-907

High Speed DC Integrated Amplifier (1979-80)

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Kenwood KA-907


Power output: 150 watts per channel into 8Ω (stereo)

Frequency response: 20Hz to 20kHz

Total harmonic distortion: 0.01%

Damping factor: 100

Input sensitivity: 0.1mV (MC), 2.5mV (MM), 150mV (line)

Signal to noise ratio: 70dB (MC), 90dB (MM), 105dB (line)

Output: 150mV (line), 30mV (DIN)

Speaker load impedance: 4Ω to 16Ω

Dimensions: 460 x 161 x 463mm

Weight: 25.8kg

Year: 1979


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Reviewed May 19th, 2013 by

This certainly is one of the best mass produced integrated
amps build at its time.
Perfectly suited to drive BIG speakers in large rooms.
I once experienced this amp with large Tannoys in a
castles foyer and it was a mindblowing experience.



re: KA-907

This is the only amp I've seen with extensive thick copper shielding which is also used as a ground "plane".
Also very unusual construction, with the front and rear panels designed to fold down for servicing. Very Nice. Outputs and theyer heatsinks are very easy to service also, along with the power amp driver board.
Power supply is in the middle (and kinda hidden behind the copper) and a bit harder to deal with, when recapping time comes around.
If they had only put in more interstage connectors the thing would be a dream to work on

This website is not affiliated with or sponsored by Kenwood. To purchase KA-907 spares or accessories, please contact the company via their website or visit an authorised retailer.