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Conrad-Johnson MV55 Triode Mod

TubieNewbie

TubieNewbie

New Member
I was reading the manual for my MV55 amplifier and it mentioned that my amp can be modified for triode operation. The following is an excerpt from the manual:

Optionally, the MV55 may be reconnected internally for triode operation of the output stage, for exceptionally musical performance, but at considerably reduced output power. The conversion is simple, but does require soldering.

I tried contacting the company but I can't seem to get any response. Does anyone know the procedure for this conversion? I would like my tech to do the mod.
 
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Remove the connections from pin 4 and put a 100 ohm resistor between 3 and 4. That’s the standard way on an EL34.
 
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