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harmon kardon

  1. A

    Harman Kardon HK-380i left channel is out

    Hi guys, My Harman Kardon HK-380i left channel is out. I checked the voltages at key points in the power amp and found all voltages are negative except for the output transistors on the left channel. Right channel sounds fine. Measured voltages are shown in the following figure. Any help is...
    • anikarma
    • Thread
    • harman kardon hk-380i harmon kardon negative voltage one channel not working
    • Replies: 0
    • Forum: Solid State
  2. mcaddie7

    Harmon Kardon 3470 Bad Right Channel

    Hi all, I have a HK 3470 that has no sound coming out of the right channel on any input for either speaker 1 terminals or speaker 2 terminals. It has a pre out, main in. When I take the left channel pre out and jumper it to left main in I get sound out of the left speaker. When I take the...
  3. djfake

    Harman Kardon 330B - in the shop

    Hi - I'm having a reputable dealer take a look at my Harmon Kardon 330B (Serial #52251A). After spending the past decade or so not being used, I plan on using it in our living room, with a pair of EPI 100s that I recently restored. I'm having the shop check it out, clean dirty pots, check dc...
  4. mcaddie7

    Harman Kardon A500 No Sound

    Hi all! Have a A500 that worked fine before recap, albeit one channel was much quieter than the other. I swapped all film caps (not my first receivers, have done this many times but am always learning) and the thing still worked. I replaced the two big electrolytic and still fine. Now onto...
    • mcaddie7
    • Thread
    • harmon kardon harmon kardon a500 recap help tubes
    • Replies: 143
    • Forum: Tube Audio
  5. S

    Question - Idler wheel Harmon Kardon TD392

    Hi all - I believe I need to replace the idler wheel on my cassette deck however I’m having a tough time finding a replacement part for this specific model - anyone know where to buy? Or if one from the HK CD401 uses the same size idler wheel? I’ve been able to find those online. Thanks in advance
    • Seifer666
    • Thread
    • cassette deck cassette deck repair harmon kardon idler wheel td392
    • Replies: 1
    • Forum: DIY
  6. mcaddie7

    HarmAn Kardon 930 Bias Adjustment Help

    I want to preface this with I'm a pretty big nob and have never touched a transistor or biased anything. I have however recapped my Harmon Kardon 930 to what seems great success. There are several guides on this site for biasing this receiver but non include pictures and thus I really can't...
    • mcaddie7
    • Thread
    • bias adjustement harmon kardon harmon kardon 930 hk twin power receiver
    • Replies: 21
    • Forum: Solid State
  7. mcaddie7

    HARMAN Kardon 930 Restoration Process

    So bought a HK 930 and have been using it for several months. Given the superb shape of the thing, I wanted to make sure it would sing for another 40+ years and wanted to dip my toes in receiver restoration. I work in turntable currently but receivers are a lot more electrically technically...
    • mcaddie7
    • Thread
    • harmon kardon harmon kardon 930 hk twin power hk 930 receiver vintage
    • Replies: 61
    • Forum: Solid State
  8. Carbsandcaps

    Todays haul. Harmon kardon ta-224.

    Picked up this console today with a very serviceable hk ta-224 and some really cool Jensen 12” duax Alnico speakers. Does anyone know if this has built in multiplex? I can’t find a definitive answer online. The receiver is chock full of telefunken 12ax7 tubes! And before you get mad at me for...
  9. R

    HK 330i

    I have a HK330i. Had it for years. Use in my garage "cave"... it's been great, except for one quirk... when adjusting the balance the sound will cut in and out and sometimes becomes muffled. I have to very delicately adjust it to get the full stereo sound back. Any idea what is causing this and...
  10. P

    Are covers necessary for tube amp /receivers?

    Hello: This is a total newbie question… I am just now trying to get into collecting vintage audio gear, including receivers. There is a Harmon receiver (TA 260) on sale nearby. However, it doesn’t have a cover (cabinet). Would it be smart to purchase this with no wood cover? Are covers...
  11. James Cox

    Citation II bias switch

    So I've got myself into a bit of a jam and hoping someone here may be able to help me out. My citation ii recently had a bit of a meltdown while I was attempting to set the bias on my tubes while switch from triode back to ultra linear. The first 2 tubes biased no problem but when I switch to...
    • James Cox
    • Thread
    • bias switch citation ii harmon kardon rotary switch
    • Replies: 16
    • Forum: Tube Audio
  12. Sansui 6500

    Harman Kardon vs Technics

    Hi everyone, i am new here. I am looking to buy a secondary receiver to always have an option and i found these two models. HK385i vs Technics SA R277 ..Any idea why HK is the best option ? its a 45$ difference in price. Is it that worthy ? I keep hearing sooo many good things about these. and...
  13. U

    HK 430 no power

    Hi all- I'm a newbie here, just started collecting vintage gear. Picked up an HK 430 yesterday, and ran into a not small problem that it will not power up at all. No lights, nothing. I opened it up and didn't see any blown fuses or other obvious signs of failure. Anyone have any ideas about...
  14. S

    Removing the Plexiglass cover on a Harmon Kardon 230e

    Hey there I have a HK230e I'm trying to clean up. How to I remover the plexi wraparound cover? Cant find much about this one.
  15. K

    "Sound" R-700?

    Somebody on my local Craigslist is selling a nice looking little receiver with the brand name Sound, model R-700. Made by Nippon Sound Company. Wood case. Really pretty. Elements of it seem like similar vintage HK or Rotel. Anybody know who sold this brand at the time? Some store brand...
  16. MadcapLaughs

    HK 730 vs Sansui 8080 (non db)

    Hey team, I’m moving! unfortunately I’m going to be scaling down my current tube system running on my Tannoys, I’m moving out of Missouri to the east coast in a few months and will be living in a smaller living space. I’m absolutely committed to keeping my tannoy 12 golds speakers….but I now...
  17. MRX37

    Harmon Kardon AVR 1700: Works fine for 45 minutes then shuts off.

    This HK AVR 1700 was a curbside find last year. Initially when I took it home and tested it out I was amazed to find a working HK receiver that was new enough to have HDMI ports. The receiver worked fine and I put it into service. Then I learned why it got thrown away. It works perfectly...
    • MRX37
    • Thread
    • avr 1700 harmon kardon
    • Replies: 1
    • Forum: Solid State
  18. C

    Need a little help with Amplifier hookup...

    Hi...I have a Harmon Kardon Signature Series 2.1amplifier, and the inputs appear to be single RCA jacks. This is probably a stupid question, but if it's a single RCA, how do you hook up a stereo input? Is there a special RCA cable that takes both left and right and channels them via a Y...
  19. B Cub

    Harmon Kardon HK 460i Tuner needs to warm up

    When I power the unit the am and fm has no sound initially. A couple minutes later the sounds starts to increase. Then after a couple power on/off's the sound is fine. All other functions/switches/inputs work fine. It is 70 degrees here now. The problem was worse during the winter. The...
  20. Jackassrock

    A little help with a H&K 730

    I have a 730 with a problem. One of the channels keeps blowing a fuse. Sometimes a new one will last a second, sometimes a week. I've taken it to a couple shops, and they will think they fixed it. They will test and everything, but within a week, it always blows the fuse again. Any ideas what...
  21. U

    Pc speakers ? And subs can you mix and match somehow?

    I have a Phillips sub that’s decent , I’ll show it and model # it’s definitely better then speakers that are with it . Get pics soon But the speakers that with it are a weak link. Anyway to attach my Hk pc speakers I found at goodwill for $4.
  22. 3

    Hello and an HK385i report

    First of all, Hello! Recently joined this forum and this is my first post. I recently picked up a pair of Polk Monitor 7s and was looking to find a receiver that would go well with those. My listening space is medium sized with carpets, a popcorn ceiling and some couches. As luck would have it...
  23. El-Barbaro

    Trying to repair a Harmon Kardon 590i

    Hey everyone, lately I've been having issues with one speaker overheating and I'm worried it might be an issue with my receiver. I have a budget set up of a Fluance turn table which is connected to a Harmon Kardon 590i and c100 Energy speakers. The issue started yesterday when my left speaker...
    • El-Barbaro
    • Thread
    • diy harmon kardon repair turntable
    • Replies: 9
    • Forum: DIY
  24. seizer1975

    Harman Kardon Citation Eleven and Twelve

    I rescued a Harmon Kardon Citation Eleven pre-amp and Citation Twelve amp from a basement in Massachusetts. After a thorough surface cleaning, a few blasts of canned air and some De-Oxit attention, I have a functional, and quite loud, system up-and-running. I have my Technics SL-1100A running...
  25. TheWolf82

    Harman Kardon 330B Amplifier/Receiver - Is it safe for my KLH Model Sixes??

    I picked up an HK 330B that I LOVE. I'm running my KHL Model sixes thru it and it sounds great. After some different reading on the net here and their, I got worried thinking maybe that I'm underpowering the speakers and causing damage... Anybody's thoughts on this? Is a Harmon Kardon 330...
    • TheWolf82
    • Thread
    • amplifer harman kardon 330b harmon kardon klh power receiever vintage wattage
    • Replies: 25
    • Forum: Solid State
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