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harman kardon

  1. L

    Hello AK!

    Greetings! I have been scouring on eBay for a amp and speaker system for a while now, and ended up purchasing Harman/Kardon PM660 amp and Hartley Zodiac 300 speakers. I'm happy with the system so far! I decided to say hello here on Audiokarma because this forum has been a great help with...
    • lnette
    • Thread
    • amp harman kardon hartley hk pm660 repair speakers zodiac 300
    • Replies: 31
    • Forum: Introductions
  2. K

    Harman Kardon 730 - Power Amp Noise - Solutions

    I must start this thread with a gracious thank you. I've gleaned so much from this forum that it seems fitting that I give back with a small post of success. Most of these solutions have been suggested by others on this forum and so have made this possible. I will simply post what I have done to...
    • kanurys
    • Thread
    • harman kardon hk hk730 solid state
    • Replies: 3
    • Forum: Solid State
  3. JMiP

    Harman Kardon 730 vs Your Favorite Citation

    I currently have an HK 730 paired with my KLH 23's and it simpatico defined. They sound wonderful together. Here's my question for the Harman Kardon experts in the house: Is there really a discernible difference between the HK 730 receiver and the best HK Citation amplifier? It might matter...
  4. BigBogner

    Incorporating a pre-amp into my vintage receiver

    Hi friends, I hope this finds you well. Lately I’ve been running my powered sub into the pre-out/main in on my Marantz 2230. I’ve really been enjoying this setup, but I’m starting to miss using my reel to reel (no second tape input), and I have been toying around with the idea of adding a CD...
  5. BigBogner

    Marantz 6200 v. Harman Kardon T55C

    This has been a really tricky debate for me trying to figure out which to keep as my main table. I recently fell into both these tables on the cheap and need some help deciding which would be more advantageous. I’m running an Ortofon 2M Red on the Marantz 6200. Deep rich bass, vibrant mids...
  6. BigBogner

    HK T55C vs. Pro-Ject Debut Carbon

    A little background here, a few months ago, I decided to sell my U-Turn Orbit and buy a Pro-Ject DC, which I was immensely happy with. Over the few months I had the Pro-Ject, I began wanting something that fit more in line with the rest of my vintage audio setup, as well as something with at...
  7. S

    Amp vs receiver - comparable price/ sense

    Hi, I’m based in Moscow, Russia, and t’s my first post here - hopefully I’m not messing it up as to where to post a query such as this. I’ve been out of the hi-fi mania for a good few years and now am trying to catch up as I’d like to upgrade my early 2000s setup to vintage. I have a...
  8. dlucy

    Harman Kardon 330A recapping

    Just to keep everyone guessing, I only replaced the electrolytic caps in this Harman Kardon 330A instead of replacing everything I could desolder. ;) For those of you who just want to do a minimal recap and you have the matching 330A, then this thread should help find the right parts to return...
    • dlucy
    • Thread
    • 330a harman kardon harman kardon 330a hk hk 330a recap recap list recapping
    • Replies: 24
    • Forum: Solid State
  9. P

    Speakers making radar noises Windows 10

    Hello all! I have two Harman Kardon HKTS14 speakers connected to a SONY Str-de885 receiver. My laptop goes to the receiver from an HDMI out to RCA audio converter. Upon starting up the system like today it makes some weird-ass noises. It only makes the noises when the sound output is the HK...
    • Penta
    • Thread
    • gaming harman kardon problem screeching
    • Replies: 5
    • Forum: Speakers
  10. linuxslate

    I had to re-re-cap

    A couple evenings ago my Harman Kardon a224 suddenly started buzzing/humming. I pulled the bottom, and found that one of the caps that I installed when I first got the amp, was leaking. Note also liquid on the tie wrap and the other end of the capacitor (right near the (-) mark). The main...
  11. cemerson

    Harman Kardon RABCO ST-7 Source for Replacement Belts

    I've recently purchased a Harman Kardon RABCO ST-7 and am looking to replace the belts. Are they both the same? If not, any suggestions for a good reliable vendor to purchase these from and know I'll get the correct size belts. I've purchased belts for other turntables and found that if I didn't...
    • cemerson
    • Thread
    • belts harman kardon hk rabco st-7
    • Replies: 0
    • Forum: Turntables
  12. P

    Need HK Speaker Wall Mount Suggestions

    I have 7 Harman/Kardon HKTS speakers in Silver, and I'm having a ton of trouble finding original wall mounts for them, let alone compatible ones. For some god forsaken reason H/K decided to have the mounting screw-in to be on the bottom of the speaker instead of the back side. (Not my...
    • Penta
    • Thread
    • harman kardon hi fi music wall adapter wall mount
    • Replies: 5
    • Forum: Speakers
  13. A

    Harman Kardon PM655 . Strange value of voltage

    Hi, After the schematics (power supply zone) ; instead to have +35.6v for Q5 2SD669 and -35.6 v for Q6 2SB649 i have 42v and -42v ! For the rectifiers bridges i have 44.8v and -44.8v for both... Also the heatsink of q5 and q6 are very hot... Is there someone who spot it too ? Just for...
  14. D

    Sansui 5000X and Harman Kardon twin (430,730,930) speaker protection

    Hi guys, I am new here, but hope to find answers to some questions. I really like Sansui 5000X, 2000X and Harman Kardon twin receivers, but the information about these receivers is very different in terms of the speaker protection. My question is do these amps have speaker protection circuit...
    • dian83
    • Thread
    • harman kardon sansui 5000x speaker protection
    • Replies: 6
    • Forum: Solid State
  15. Briant8

    Harman Kardon ST-7 strobe issue

    Hi All, So I just dove into my first ST-7, replaced tracking wheel, belts, DeOxit on pots, etc... After much frustration, cussing, cajoling and downright threatening (it never seemed to listen at all, btw) it’s up and running and sounding great. My issue is that the strobe speed is off. When...
    • Briant8
    • Thread
    • harman kardon st-5 st-7 st-8 turntable
    • Replies: 5
    • Forum: Turntables
  16. TheWolf82

    Painting Harman Kardon A224 Trio Tube Amplifier

    Hey Everyone, I was wondering if ANYBODY would give me their opinion on painting my A224 Tube amp? I just picked up a beautifully clean and serviced A224 from my local repair shop however the black cover is scratched up quite a bit. I'd like to repaint it black. Maybe a silly question - but...
  17. DoctorJon

    Recover Comparison - HK AVR 20ii vs Sensui R-410

    Hey all, I've been using an Harmon/Kardon AVR 20ii for a while now for all my vinyl and aux listening to my speakers. I recently purchased a Sansui R-410 and I was wondering if this would have noticable performance increases in my listenings. Feel free to contribute anything that would be...
  18. JMiP

    Harman Kardon 730 Updates/Upgrades

    I just recently purchased a long sought after Harman Kardon 730 and ran across this thread by @dyche01 regarding the upgrading of the phono stage. The thread focuses on upgrading some caps and a few resistors, but I'm not clear on the value of the resistors he used. For instance, the schematic...
    • JMiP
    • Thread
    • harman kardon harman kardon 730
    • Replies: 8
    • Forum: Solid State
  19. H

    Harman Kardon Citation II Turret Board

    I am restoring a Citation II and it has the black turret boards. In reading online people say they become conductive. Has anyone heard or experienced this here? I found a board on eBay that looks like it will work...
    • Hi-FiGuy
    • Thread
    • citation ii deuce harman kardon hk
    • Replies: 4
    • Forum: Tube Audio
  20. P

    Harman Kardon Recap

    I have a HK870 power amp which I purchased new about 32 years ago.Physically the amp is in excellent condition and I currently use it to power a second zone in my home. It just doesn't sound as open or clear as it once did. A year or so ago, I replaced the input coupling caps, thinking that...
    • Prudent
    • Thread
    • amplifiers harman kardon hk hk870 recap
    • Replies: 13
    • Forum: Solid State
  21. M

    Long time listener, first time caller...

    I mean, what do you say that hasn't been said? lol... I have learned a few things here and hope I can impart some wisdom (might take me 20 seconds).... in any event, having an intro forum is so much more civilized than just jumping into a question. Anyway, a little bit about me... This is a bit...
    • Maury
    • Thread
    • harman kardon philips 212 seeberg soundcraftsman
    • Replies: 20
    • Forum: Introductions
  22. Johnny_Law

    Harman Kardon 570i Basket Case (Solved - Power Supply Film Resistor)

    **12/20/20 edit: If you want to skip ahead to what seems like a fix, knock on wood, skip to this post.** **12/11/20 EDIT: This has turned into a basket case. There are many twists and turns. If you want to enjoy pages of frustration, read on ... this original post is just how it all started**...
  23. C

    Harman Kardon 430 Twin: Left Channel out in Aux, Phono. Works in Tape Monitor

    Grabbed a well-loved HK 430 Twin recently. It sounds perfect when I hook up a device to tape monitor function, but when I try phono or aux I get silence from the left channel. Same results with headphones. The Mono button, when pushed, silences the sound entirely. I de-ox'ed everything...
    • C Uebe
    • Thread
    • channel out harman kardon kardon mono
    • Replies: 11
    • Forum: Solid State
  24. X

    Harman Kardon HK3500 low/no output

    I recently picked up a Harman Kardon HK3500 on CL listed as non-working. I was told it was playing music fine, then shut off with a little bit of smoke. I opened it up and found a blown fuse, a shorted output transistor and a resistor burned beyond recognition. Here's what I've done so far...
    • xslntx
    • Thread
    • harman harman kardon hk3500 kardon
    • Replies: 2
    • Forum: Solid State
  25. A

    HK AVR 270

    I have this HK AVR and it's problem was that zone 2 only worked, and after some time while I was fiddling with it (trying to get sound in zone 2) it shut down (standby) and wont turn back on. If I press the power button it turns on for 1 sec then right back off. I did notice small heat smell...
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