Quote:
Originally Posted by oldominion
Okay, I'm on my second set of Mullard 807s from Viva Tubes and it's still a no go with my Universal Inspire. Loud buzzing and crackling. Seems very unstable. Using a Mullard 5AR4 rectifier and a Phillips 5691 input tube.
Wondering about the adapters? They seem quite solid, purchased from Amazon. What think? Any advice would be appreciated! I love the 6L6GC sound, would be psyched to make these 807s work.
Thanks!
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Have you tried it with a 6SN7 instead of a 5691/6SL7? The 6SL7 is a much higher gain tube. When I tried one in my Inspire, the sound was much more harsh than with a 6SN7.
I might give up on using 807s entirely given your results, but you could try using a 6SN7 and a 5V4GA rectifier (lower voltage, lower current).