Tube Amp Archive

If the organ amp uses miniature preamp tubes then the transformer will work fine for a guitar amp. I have used the transformers with great success. If the tubes are all octal then you have the field coil speaker type and the voltages are too high. The organ amp has mostly 12au7, ax7, 6v6's and a fe...

Thanks guys. I have no building experience. Gotta start somewhere!! I do have some friends here in town that have offered to help me get started. No telling what I'll end up with, but I think I'll have fun with it regardless. I'll post some updates when things get rolling. Going thru a divorce right...

Lots of guys repurpose organ parts (sounds kind of medical and creepy when I put it that way) for guitar amp builds. Search here on AO-35. MFowler and others have converted these amps into Carmen Ghias, 18W Lite IIbs, etc. You'll be well positioned with your parts on hand for an economical and prob...

I have my grandfathers M3 organ. 6V6's and other assorted weird little tubes in there. This weekend I found another one in a thrift store for $25. I stripped them both including the speakers. My goal is to pay tribute to my grandfather and have an amp built from his old Hammond and try to use the sp...