If you 30th guys ever lose output signal and the usual checks (tubes, fuses, cables, burnt PCB components, etc.) don't show anything, I'll bet you a month's paycheck the effects loop jacks need to be replaced. This happened on both my 6100 and 6101.
Also, you guys with the 6101, run a fan into...
Demeter TGA3: the most versatile amp I've owned to date
Soldano SLO: put the gains at noon, the masters at 7, and hang TF on
Egnater TOL: smoothest amp ever made
Metropoulos-built early Friedman BE100: the most ideal Marshall tones available
Bogner 101B white chassis: all the best Bog tones in...
Most of the Seattle-made SLO's with depth knobs were post-production mods with stuck on labels. There are some with the labelled chassis (like mine)....
Bruce the promoter up'd the fee. It's now $15 to get in. I'll be there sharing a booth with 6 other schmucks, and bringing a Fryette Memphis, Friedman Runt 20, Rocktron Piranha, Mesa & Marshall 20w x 20w power amps, a pair of Bogner 1x12's, and a blue Gibson DC Jr. Stop by and try out my fart...
The grey carpet one is #17, so it has the Schumacher trannies that James bought directly from Fender for the first 20 built. The black tolex one is #21, so it's the first one to use the Jensen toroidal power tranny. Both are TGA-3's and sound pretty much identical to each other.
They pre-date the high/low gain versions. One of them got transplanted into a newer headshell because it was originally a combo. Below them is a Mojotone JTM45 Offset kit that I built.