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Kenwood KA-8004

Solid State Integrated Amplifier (1973-76)

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Kenwood KA-8004

Specifications

Power output: 55 watts per channel into 8Ω (stereo)

Frequency response: 20Hz to 50kHz

Total harmonic distortion: 0.4%

Damping factor: 30

Input sensitivity: 2.5mV (mic), 2.5mV (MM), 150mV (line)

Signal to noise ratio: 65dB (mic), 65dB (MM), 75dB (line)

Output: 150mV (line), 50mV (DIN), 1V (Pre out)

Speaker load impedance: 4Ω to 16Ω

Dimensions: 435 x 153 x 300mm

Weight: 12.9kg

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Reviews

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rating
Reviewed Jun 09th, 2017 by Peter Haslund

Wow. Just wow. Had an Italian amp originally priced around a thousand bucks, with separate power and wood finish. Now I realize it was bad.
The 8004 is a peek into the recording itself, full of life and joy. Get it if you can.

rating
Reviewed Feb 11th, 2017 by lesterda

Amazing amp, don't let the 55 watts rms rating fool you, more like 70-80 watts rms. Elna caps throughout. In my opinion it blows away my Pioneer SX838 and Marantz 2252b. If you see one for sale grab it.

 

Comments

re: KA-8004

I do have this Integreted -Ka8004. I bought this in about eyar 85 ! To say the thru -In the beginning the sound was little bad in the low end of the hi-fi spektre, to little dynamic in the bass. I also have knowledge about to find out -this matter . I started with getting compleet service manual of the Ka8004 Amp. Inside the Amp it ise wery wel built up in seperates modulls for the Riaa amp. -outputt amp. tonemodul in a print boad. It means that it´s easy to repare and service ! futhermore there is also phono plugs to Pre.amp -output and Main Amp. In order to fix it by : I try to disconnect the filter-module (after tonemodul) . I made the output from the tone-modul go to- output of the pre. amp. I also adjust the IC. current in output Amp. (about-20 to 3o Ma.) Its. Improve the dynamic considderble ! -Note that the RIAA amp. sounds wery well !!-(five transistors and pushpull output Amp. and-+ and - 24 volt . I have replaced to stabilyse the voltage unit with transistors-now + and -27 Volt only to Preamplifier! (it increases dynamic-range.) And no hum any more ! -Yoy can also disconnect the Tone-
control unit with even better Qality-but little less gain. (I have done this)
Then assembly the Cabinet and ready for finale test. The sound was just fantastic good bass alower the hole freqencies spektre-and diskant to !! It is absolutley wery QALITY INTEGRERET AMP. NOW. I reccomend to shift to other good output Amplifirs ( via pre. out .)-luxman or Kenwood ! I use now Kenwood Amp.-output.
Johs. Østerby.

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