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Kenwood KA-3500

Stereo Integrated Amplifier (1976-78)

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Kenwood KA-3500

Description

Rated at 40 watts per channel and having many fine control features, the Kenwood KA-3500 must surely be one of the best value for money amplifiers on the market today.

Specifications

Power output: 40 watts per channel into 8Ω (stereo)

Frequency response: 20Hz to 20kHz

Total harmonic distortion: 0.2%

Damping factor: 50

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

Signal to noise ratio: 76dB (MM), 90dB (line)

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

Dimensions: 380 x 140 x 255mm

Weight: 7.8kg

Year: 1977

Downloads

service manual   English - olso2231

instruction/owners manual   English - kingmace

Related Catalogues

Hi-Fi Stereo

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Reviews

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rating
Reviewed Mar 13th, 2016 by jburgie

I've had mine since I it was new in 1976. It's still my front-line amp, and it works like it just came out of the box. Just wired it up to a new pair of PSB bookshelf speakers and I turned it up to 11 (in a manner of speaking). Excellent in every way. Very classy looking, too, with its brushed Al faceplate and those lovely knobs. (It's paired with a matching tuner.) If you find a clean one, buy it.

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Reviewed Jun 23rd, 2015 by uscfchess

I've had mine for 2 or 3 years now and it fits better where my marantz 2275 was. It's not the power of the 2275 but it will hold its own for being almost 1/2 wpc. Great sound and I think I gave $20 for it. If you find one/buy it. I'm glad I did. The sound reminds me a lot of marantz and lets face it they sound better!

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Reviewed Feb 22nd, 2015 by One911Guy

I bought my KA-3500 new back in 1977 as a graduation present to myself. Paired with a Kenwood KT-5500 and some Kenwood LS-406 speakers I rocked these components way passed college and into my adult life. The LS-406's are long gone but the amp and tuner are still pounding it out as a garage stereo. Only the red power indicator light is not functioning - everything else works as it should. I am going to send the unit out to get cleaned and recapped this summer. Maybe it will last another 40 years.

If you fine one, buy it. It won't disappoint.

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Reviewed Dec 27th, 2014 by dll99082

Got mine at a stereo shop years back for a song....Still one of the most bang for your buck amps, imo. A great way for noobs to get into the scene, and is a very good amp for the beginner electrical enthusiast, fairly easy to work on. Would like to know actual RMS, as it seems underrated...never had mine all the way floored, would be too much in my specific room. I have heard some old timers say it is as good as their marantz 2230's tone wise...I cannot agree or disagree as I have never owned that amp, but do know it is considered a classic. If you see one of these cheap, pick it up!

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Reviewed Sep 09th, 2014 by vinylpro

I originally had one of these amps in the late 70's and it was great then. I own 2 now and use one in my office for a vintage set up a great amp with great tone and just the inputs and controls needed to fill 300 sq ft.

Wish they still made them like they used to!!!!!!

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Reviewed Jul 05th, 2014 by 9QAtNwc8YcbwK

Still rocking strong after 15 years.

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Reviewed Apr 21st, 2014 by idem

Excellent!

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Reviewed Nov 27th, 2013 by caputto70

Nothing out of the ordinary.

 

Comments

re: KA-3500

Can anyone clarify why my right speaker volume for both a&b are quieter than the Left? Maybe something going out?

re: KA-3500

I've had mine for about 3 years, it was my first piece of Kenwood equipment. I was surprised at its musical quality mated to a pair of power-hungry KLH model Twenty speakers. It must be underrated because it makes those inefficient speakers sing! It's pretty too.

plaka_king's picture

a Trio KA-5300 version?

Just acquired a Trio KA-5300 integrated amp and I cant seem to find the user's or service manual for that amp. I'm thinking would this Kenwood KA-3500 be the closest thing to the seemingly earlier Trio KA-5300? They have the same power rating, size and weight. The controls were just somehow rearranged. The Kenwood used only single supply for both channels while the Trio used separate power supplies for each but with only one transformer. Could this be the closest to Trio KA-5300? thanks!!

re: KA-3500

Just had a re-cap job done and this amp is sounding so much better it sound pure with all tone setting at neutral/0 flat . Then you can fine tune as needed. Especially great sound via phono preamp section playing Vinyl!

re: KA-3500

I originally had one of these amps in the late 70's and it was great then. I own 2 now and use one in my office for a vintage set up a great amp with great tone and just the inputs and controls needed to fill 300 sq ft.

Wish they still made them like they used to!!!!!!

ellsworth audio company's picture

re: KA-3500

This was a very changing time for transistor development. The basing configuration on many of these transistors is unusual. The X-sistor diagrams are to the left of the schematic. Double and triple check the basing when installing new transistors in the output stage. Dennis

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