hopjohn's Recent Activity

  1. hopjohn replied to the thread Kenwood 600 help.

    Actually I do. I took a hiatus last year to work on my own things. I reached out to the OP for a restore, but haven't heard back yet....

    Feb 19, 2018 at 2:01 PM
  2. hopjohn replied to the thread Kenwood ka3500 distortion both channels.

    Match the diameter of the original 6800 UF caps with something that fits. 63 volts is fine. I'd be ordering new caps for the entire...

    Feb 18, 2018 at 5:34 PM
  3. hopjohn replied to the thread Kenwood ka-9100 help.

    The 26.8V is the setting for the amp under an 8 ohm dummy load to calibrate the power meters to 90W. Adjustment (2) Page 21 of the...

    Feb 18, 2018 at 9:58 AM
  4. hopjohn replied to the thread Favorite Female Artists.

    Bonnie Raitt, Chrissie Hynde, Orianthi, The Wilson sisters, Aretha Franklin.

    Feb 18, 2018 at 4:50 AM
  5. hopjohn replied to the thread Van Halen better with Roth or Hagar?.

    I guess I'm speaking from my own personal experience. I wouldn't want to speak for your gender. My thoughts were that my girlfriend at...

    Feb 17, 2018 at 5:02 PM
  6. hopjohn replied to the thread Van Halen better with Roth or Hagar?.

    Probably my favorite band as a child. Fair Warning was my favorite album. As I grew older the people behind the music became equally...

    Feb 17, 2018 at 7:25 AM
  7. hopjohn replied to the thread Restoring a Kenwood KR-9050.

    I didn't realize there were four output devices per channel. The SM may be correct afterall. If you look at the SM measurement points...

    Feb 16, 2018 at 4:24 AM
  8. hopjohn replied to the thread Kenwood ka3500 distortion both channels.

    The 26V is what seems too coincidental for it not be the BR behaving as restorer-john pointed out. Here is a scat so we are all on the...

    Feb 15, 2018 at 6:08 PM
  9. hopjohn replied to the thread Kenwood ka3500 distortion both channels.

    Yep, I've seen the same. Thanks for your analysis.

    Feb 14, 2018 at 4:10 AM
  10. hopjohn replied to the thread Kenwood ka3500 distortion both channels.

    A positive DMM diode test will not definitively determine it's failure. Ce29 should be seeing the same voltage as Ce30. If it's not the...

    Feb 14, 2018 at 12:32 AM
  11. hopjohn replied to the thread Kenwood ka3500 distortion both channels.

    When troubleshooting I try to replace as little as required to help ascertain the problem before moving forward. Study the datasheet...

    Feb 13, 2018 at 4:34 PM
  12. hopjohn replied to the thread Kenwood ka3500 distortion both channels.

    I do my best to salvage any part I remove as a matter of good practice and do nothing that's not reversible. If that means you can clip...

    Feb 13, 2018 at 4:16 PM
  13. hopjohn replied to the thread Kenwood ka3500 distortion both channels.

    Double and Triple check your reading at Ce29 in Volts DC. One lead to the positive terminal, the other to the negative. If it truly...

    Feb 13, 2018 at 3:06 AM