Some old combo amps, like this early-’70s silverface Fender Bassman Ten, have undergone a head transplant. Someone removed the original amplifier section and housed it in this homemade head box.

A home-surgery survivor—and the relative merits of KT66 and 6L6 tubes.


I have an oddball amp—and a few questions.

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Adam Grimm shows off two new products -- a KT66-powered beastly amp and 6K6-driven outboard reverb unit.