A. J. Mogis Posted October 20, 2004 Share Posted October 20, 2004 Does anyone have or know of where I can find schematics for the original version of the Marshall 30th anniverary head? I've found schematics for the version that uses 5881 output tubes, but I'm trying to fix one that uses EL34's. Any help is appreciated. Thanks, AJ Link to comment Share on other sites More sharing options...
Gabriel E. Posted October 21, 2004 Share Posted October 21, 2004 What's the model # of the amp? "You never can vouch for your own consciousness." - Norman Mailer Link to comment Share on other sites More sharing options...
A. J. Mogis Posted October 21, 2004 Author Share Posted October 21, 2004 Model # is 6100. Like I said, I've found schematics on the web for this amp, but they're for the revision Marshall came out with when it looked like there would be no more EL34's made back in the mid 90's. This later revision uses 5881's. I'm trying to fix the first version that uses EL34's in the power section. Link to comment Share on other sites More sharing options...
Gabriel E. Posted October 21, 2004 Share Posted October 21, 2004 Wow! I couldn't find anything with EL-34s either. That being said, I wonder if there are any differences in the circuit at all. As long as the plate voltage wasn't too high, they may have just subbed 5881s with a rebias. "You never can vouch for your own consciousness." - Norman Mailer Link to comment Share on other sites More sharing options...
A. J. Mogis Posted November 3, 2004 Author Share Posted November 3, 2004 Found some (hard to read) schematics of the EL34 version (after I was finished fixing the amp of course). But it's good to have for reference. Here's a link for anyone interested: 30th Anniversary Marshall Link to comment Share on other sites More sharing options...
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