voltage check

bgf · 2033

0 Members and 1 Guest are viewing this topic.

Offline bgf

  • Jr. Member
  • **
    • Posts: 33
on: March 22, 2014, 09:44:06 AM
just checking with you before i hook things up some voltages are different from the manual

term    amp A      amp B

9         174.5       174.5
19       174.4       174.5

kReg(A)  3.6         2.78
oB        174.5        174.5

thanks you all have been a great help with this build

brent fauss


Offline Paul Birkeland

  • Global Moderator
  • Hero Member
  • *****
    • Posts: 19745
Reply #1 on: March 22, 2014, 08:11:13 PM
You can trim the little blue trim pot on the driver PC board to adjust those voltages closer to 200, but at 175V, you're in the ballpark. 

If you built the 2A3 version, then the bias voltage is set a bit lower.

-PB

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man


Offline bgf

  • Jr. Member
  • **
    • Posts: 33
Reply #2 on: March 23, 2014, 06:58:31 AM
the build was a 300b. plugged them in and they sound great with the BeePre and eros. thanks again. 

brent fauss