L / R voltage differences [resolved]

Kermit · 1406

0 Members and 1 Guest are viewing this topic.

Offline Kermit

  • Jr. Member
  • **
    • Posts: 15
on: March 01, 2019, 05:31:01 PM
Assembled my Crack in two evenings, went smoothly - thanks for the great instructions!

I've passed all my resistance and voltage checks, but I'm seeing some differences between L and R.  They're well within the allowed ranges, and the amp sounds pretty darn good.

Terminals read as follows:

1) 92 vdc
2) 175 vdc
4) 175 vdc
5) 83 vdc
7 112 vdc
9) 108 vdc

Looking at the diagram, I would think that I would want 1 & 5 at the same voltage as each other. Same goes for 7 & 9.

What's the likely cause of this?  Is this something I should be looking to fix?

Thanks!
« Last Edit: March 02, 2019, 05:59:40 AM by Paul Birkeland »



Offline Paul Birkeland

  • Global Moderator
  • Hero Member
  • *****
    • Posts: 19757
Reply #1 on: March 01, 2019, 06:45:17 PM
There's nothing to fix here, this is very typical operation.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man


Offline Kermit

  • Jr. Member
  • **
    • Posts: 15
Reply #2 on: March 01, 2019, 06:55:05 PM
Cool, thanks Paul!