I am pretty sure this is an early version of the K-12 tube amp kit but can't find the identical model anywhere. The board is stamped "Model B" and is brown, not green like every other version I can find. Tubes appear to be 11BM8 which was used in some of the early kits. The tube sockets are ceramic, where I think the original version had a problem with plastic sockets. I am guessing this is the 2nd incarnation but I can't find the exact schematic or directions that came with this kit. Every other unmodified amp I can find has a slightly different topolgy. Not even sure where I bought it or even when, could have been late 90's to early 2000's. Emailed TubeDepot just in case... (may have come from Antique Elecetronic Supply?) but no reply as of yet.
Thanks for any information, Ron
Thanks for any information, Ron
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