Madamp M15MK1 build help....

Tube or solid-state, this section goes to eleven!
bmxguitarsbmx
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Post by bmxguitarsbmx »

Alex's idea is a good one. For a quick solution, swap your tubes around until you get one that doesn't conduct any grid current. Grid current can start to flow at low plate voltages, but your design has plate voltages that should be ok for a majority of tubes out there.

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