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distorion

  1. P

    Sansui AU-9500 – Distortion in Right Channel (Need Advice)

    Hi everyone, I’m working on a Sansui AU-9500 and could use some advice. Background / What I’ve done so far: I bought this amp with only one working channel. On the right channel power amp board, I found: Burned resistors Two bad transistors One shorted output transistor I replaced all the...
  2. A

    Nikko QSR-4040 Distortion Repair

    I'm starting a new thread since it's been quite a while and want to start from the top. In summary I received this receiver which has distortion on both front and rear left channels, coincidence?, I have since re-capped it in an attempt to resolve the issue as I have done in the past. this was...
  3. Z

    Sansui 551 left channel distortion/issues

    Hi, i recently purchased a sansui 551 to use as a phono stage for my turntable. The receiver sounds amazing but i am having a few issues. When i play a record everything sounds fine, both channels working perfectly, no distortion or noise, then every once and a while the left channel will get...
  4. berkemo

    Vintage Radio Strong Station Distortion

    Working on a Motorola Model: 13KT15CW Chassis: Ch= HS-677. Just finished recapping the filter caps, all paper caps, and cleaning tube leads. The amp sounds great but the radio needs some tweaking. Generally it works pretty well but the issue at hand is that I've got a couple of strong signal...
    • berkemo
    • Thread
    • alignment am distorion fm fm alignment magic eye radio radio console radio repair reception
    • Replies: 7
    • Forum: Tube Audio
  5. K

    Speakers sound Muffled (like they are underwater)

    Hello everyone, I was playing music a little too loud a couple days ago and suddenly heard the tone of my speakers change so that they sound very distorted (muffled like they are underwater). I thought the issue was with my amplifier so I replaced my Pioneer VSX D458 with a new one on eBay, but...
  6. BA3000

    Koetsu Third Party Rebuild

    Hi all, I have a Koetsu Rosewood Signature cartridge that I purchased secondhand about 6 years ago. I've determined it must be time for a rebuild or a replacement of this cartridge due to the fact that, A.) it's at least 6 years old and likely much, much older, and B.) There is a distortion...
    • BA3000
    • Thread
    • cartridge distorion koetsu rebuild rebuilt repair sibilance
    • Replies: 54
    • Forum: Turntables
  7. Ray122

    Yamaha CR-1020

    Hey everyone! Hope you're all enjoying the holidays! I once again found myself in a repair pickle and asking for the sage wisdom of members much more experienced than myself. Recently re-capped a Yamaha CR-1020 for a friend and first I ran into the issue with the misprinted polarity sign on...
    • Ray122
    • Thread
    • amplifier amplifier repair bias adjustement distorion help repair repair help service help. yamaha yamaha cr1020
    • Replies: 41
    • Forum: Yamaha
  8. arpod

    Help me understand preamp gain (and distortion)

    So as dive deeper into my audiophile journey I'm realizing that not all preamps work the same. Here's what I understand so far and please correct me if I'm wrong. Some are passive and some are active. The former put out a line level output while the latter can boost the output beyond line...
  9. SquarePusher

    Sony STR-7055 Distortion

    Hey Guys! I’m new to AK! Snagged a STR-7055 for $60 and cleaned it up the pots with Deoxit. I notice when I higher the volume the speaker start distorting having a warped type sound. Doesn’t happen with headphones. Any advice? Speakers are...
  10. crazy-in-az

    B&K ST1400 II with distorted left channel

    I bought this amp about three weeks ago, and until last night it has been flawless. Last night I turned it on following the proper order of pre-amp first, then power amp. As soon as a I tried playing a record I could hear a fuzzy sound coming from the left speaker, and the volume was...
  11. Dan887217

    Sansui 8080 Pawnshop Special.

    Well last week I paid off the layaway on my new to me Sansui 8080. One lamp is out for a meter but that’s not my worry. The sound is grainy muffled/distorted slightly. On all inputs/ sources. Dolby board when engaged using aux turns all sounds off. Dolby fm am is fine. I don’t see any...
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