Search found 3 matches
- Wed May 12, 2021 3:21 am
- Forum: Marshall Discussion
- Topic: Marshall 4101 overheating
- Replies: 5
- Views: 2589
Re: Marshall 4101 overheating
No drop in V+. I'm biased at 60% dissipation and still the caps get hot. Just recieved some new caps. Going to check the amp draw before I switch them out.
- Fri May 07, 2021 8:48 pm
- Forum: Marshall Discussion
- Topic: Marshall 4101 overheating
- Replies: 5
- Views: 2589
Re: Marshall 4101 overheating
I'm thinking these caps are the issue. I took before pictures as I always do before I changed them and they are 100% wired correctly. I'm going to order up some JJ filter caps as I typically use those and have never had an issue.
- Thu May 06, 2021 7:16 pm
- Forum: Marshall Discussion
- Topic: Marshall 4101 overheating
- Replies: 5
- Views: 2589
Marshall 4101 overheating
Working on a 4101 combo. Just finished a recap and biased in a new set if EL34's at 32ma. Amp is running a 440v plate voltage. Sounds good except it wants to run hot after 15 minutes or so. Main filter capacitors are at 200 degrees which is way too hot. Stock ones were replace with F&T's. Wiring is ...