Search found 1 match
- Fri Jan 31, 2020 10:19 am
- Forum: Blackstar Amps
- Topic: bias circuit not adjusting HT Club 40
- Replies: 3
- Views: 3059
bias circuit not adjusting HT Club 40
Hi guys, new member here...and apologies if this has been covered somewhere. I did search but found nothing... Trying to bias up a pair of tubes in a Blackstar HT Club 40. I work on tube amps a lot, so the general procedures and principles are well known to me, however, in this case I am getting -72...