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- Wed Feb 08, 2012 6:56 pm
- Forum: Technical Discussion
- Topic: 4 blown tubes without blowing fuses - Marshall jcm 900 4102
- Replies: 13
- Views: 3620
4 blown tubes without blowing fuses - Marshall jcm 900 4102
Hi - I have a 1996 jcm 900 4102 just back from voodoo modification. In addition to their circuit modification they put in new caps / 6L6 tubes. They do a break in process on new tubes and I also played it gently for first 2 sessions. Took it up to 6-8 volume day 2 for brief periods and then left the...