Tube Amps / Music Electronics
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|previous: Gil Ayan Re: First question for the new bbs -- 8/3/1999 4:08 PM||View Thread|
|8/3/1999 5:30 PM|
|Farrow||Marshall heater wire|
I just had a '73 Super Bass in here and the filament wires were TOAST! The black wire had bubbled half of its insulation off and was touching (intermittently) the plate pin on the bottom of one of the power tube sockets. I rewired with some 1000V 20A test probe wire and no more problems. Of course, I took great pains to twist and route the wire neatly along the chassis corner. You should always route heater wires in a chassis fold because you get shielding on two sides... BTW along the lines of the earlier post, the Marshall had heavy gauge wire (16AWG?) for the power tube heaters and thinner (20AWG? Maybe 18?) for the preamp tubes.