music, guitars & other obsessions

NAD: Peavey Valveking 212 Combo

Peavey Valveking 212

Got this amp from a trade today, I plan to modify the amp for a more Marshall sound, even though it’s a PCB construction, the parts are all pretty easy to access. There are many mods available for this amp, but I will just focus on the output stage and tonestack for the Lead channel.

I will install fixed bias pots for all the output tubes, so I can bias them individually, as well as using different output tubes beside the stock 6L6s, perhaps even different types say EL34 with 6V6! Why not?! Tonestack will require some changes, JCM800 or JTM45.


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