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*SOLD*: Harman/Kardon HK6650R Integrated Amp


Rick

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Here's a nice early to mid 90's Harman/Kardon HK6650R integrated amp. It had an msrp of $800 when new. It is in pretty nice condition for its age. It has pretty nice build quality, and I love the feel of smooth operating controls. If it matters to anyone, it was Made In Japan.

Here's the scoop: I purchased the amp locally several months back, and in the 3 months I used it in my setup, it performed flawlessly and sounded great. I then sold it to a friend who used it for a couple of months, until he purchased new Parasound separates. I then got it back from him. He said that it was running pretty warm lately, so when I got it back I pulled the cover off to check the DC bias and offset. Everything measured OK, except the bias was a bit high in one of the channels (can't remember which one now). I figured I could adjust it to within spec, and that would make it run cooler. I was not able to get it within spec, and I don't have the skills or equipment to diagnose or repair it (if it is even anything to worry about?). Now, I ran it for 2 days after this, and while it runs pretty warm, I wouldn't say it runs overly hot. If you are familiar with recent Onkyo A/V receivers, I'd say it runs about as warm as they do. Also, when I used it for 2 days, it didn't appear to affect sound quality at all. With that, I'm selling it cheap in the event that it either needs repair now or in the near future. No remote, but I will include a downloaded/printed copy of the owner's manual.

My asking price is $50 plus actual shipping fees. Postal Money Order/Certified Check preferred, but I'll accept a personal check and ship after it clears.

Some Specs:

  • Continuous Power (20-20,000Hz, both channels driven): 8 ohms - 70 watts at .08% THD, 4 ohms - 100 watts at .08% THD
  • HCC (high-instantaneous current capability): +/- 70 Amps
  • Signal to noise ratio: Phono (MM) - 80db
  • Phono (MC) - 76db
  • Main In - 110db
  • Dimensions: 17-1/2"W x 5-1/4"H x 15-11/16"D
  • Weight: 24.7 lbs

HK6650R014_zps7008bb26.jpg?t=1387907041

HK6650R015_zpsdbd78c2e.jpg?t=1387907179

HK6650R016_zpsec4944dd.jpg?t=1387907250

HK6650R012_zpsb6fd9030.jpg?t=1387906890

HK6650R008_zpsd60c8399.jpg?t=1387905968

HK6650R009_zps11d0da95.jpg?t=1387906111

HK6650R001_zpsfca54990.jpg?t=1387905813

Edited by Rick
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I absolutely love the sound of HK with Klipsch. Someone will be very happy with this setup. Very affordable unit too.

Thanks for the plug. It sounds much more powerful than 70 wpc to me, likely due to the high current capability.

FYI: I paid $125 for it (plus about $30 in gas to go get it) when I purchased it, and gave my friend $75 to buy it back (sold it to him for $100), so I'm losing money, just trying to recover some of it back...

Edited by Rick
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