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Title: 5U4G Post by: dbrink701 on April 26, 2015, 04:45:59 PM Schematic uses pin 7 of rectifier tube. Pin out diagrams of this tube indicate it not being used. I assume it is filament?
Title: Re: 5U4G Post by: dbrink701 on April 26, 2015, 05:22:40 PM Make that plate. Would some one explain the resisters to two unused pins on the tube?
Title: Re: 5U4G Post by: grod915 on June 12, 2015, 03:50:37 PM Those are diodes, not resistors. They are being used as a fail safe for the rectifier tubes. You can read about it here:
http://www.premierguitar.com/articles/the-immortal-amplifier-mod-1 P.S. Sorry to reply so late but this board has been very slow so I don't stop by very often. |