Tube Amp Doctor TAD 6L6GCM-STR Valve Redbase Series UNUSED
Tube Amp Doctor 6L6GCM-STR Redbase. The TAD 6L6GCM-STR RED BASE is TADs newest 6L6GC with the claim to be the best 6L6 tube ever built. A damn high standard, but TAD is convinced that they have achieved exactly that.