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distortion in both channels

  1. J

    SONY TA-1630 PROBLEM, same level sound through ALL INPUTS (AUX, PHONO and TUNER)

    Hello everyone, and thanks in advance. I have a Sony TA 1630 inherited from my father. the problem is the following: Distorted sound comes out through the headphones and with the RCA cables connected to the AUX input there is the same sound level on all inputs when you turn the input selector...
  2. SilverNAD

    NAD 2140 AMP - DISTORTION

    Hi There AK's, I have a NAD 2140 in my hospital with the following symptom: crackling distortion on both channels at all levels (low to high). Visual inspection revealed a blown resistor as shown in the diagrams as the only obvious visual fault. This resistor seems to belong with one of the two...
  3. M

    Severe Sound Distortion from MC225

    Hi, a total newbie here. I hope you are all well. I have a MC225 which I bought about 25+ years ago. I hadn't used it much in the past. Like many people, I started listening more during the pandemic. Everything was fine until a year ago. One day, all of sudden, the sound got very...
    • Mil Gnoh
    • Thread
    • distortion distortion in both channels mc225 sound tube amp
    • Replies: 28
    • Forum: McIntosh Audio
  4. JB8

    KENWOOD KR-100 Main Amp Mysteries And Legends

    I have a KR-100 with what I'd like to think are some main amp issues, here's some backstory. Unit was filthy upon arrival, cleaned it significantly (pots, switches, general dusting) before checking the main fuse and powering up via DBT (I'm a sucker for this look, purchased untested) Output...
  5. N

    Sansui 1000x Clean Up

    Hi all, I'm pretty green when it comes to fixing audio equipment, but I'm trying to restore an old 1000x to it's former glory. Right now, the highs and lows on all inputs are fairly distorted in both channels. I put a signal through the "Main In" connection and am still getting this distortion...
    • Nick T
    • Thread
    • distortion in both channels restoration project sansui 1000x
    • Replies: 2
    • Forum: Exclusively Sansui
  6. Elemental

    Biasing Question on Mx110 Preamp Section

    Technical question: I'm troubleshooting distortion on a McIntosh Mx110Z and wanted to rule out incorrect biasing of the 12AX7 tube (V15) which is the first stage of the preamplifier section. Looking over the schematic, something doesn't make sense. The schematic says that on, say, the right...
  7. daveyh

    Sansui AU-70 amplifier distortion in both channels from the speaker terminals.

    I just recapped my Sansui AU-70 amplifier. I have also installed two new multi caps. The 40/40 and the 20/20/20/20. I have it set at -17V at pin 2. I have installed EL84M's currently. Plate voltages of 395V (pin 7). According to the schematics it should be 410v. All tubes checked good with two...
    • daveyh
    • Thread
    • distortion in both channels sansui au-70
    • Replies: 66
    • Forum: Tube Audio
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