need advice on re-tubing my mark III (some tech questions)

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caf

Member
Joined
Jan 22, 2008
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Location
victoria, australia
Hi,
i would like to experiment with some power tube rolling (mainly nos) in my mark III simulclass black dot.

i would like to know what ma rating i should be looking for? particularly for el34's in the class A sockets.
i generally want a fair amount of clean headroom (distort later).

if anyone can give a rough idea of what the plate voltage on my amp is that would be great too as i want to provide as much info to any potential tube supplier as possible. here are some specs i have found on my amp.

power transformer: 571100, E1A606-735 (export transformer)

output transformer (i think) SC152019b MESA ENG SIMUL-CLASS EIA606-425

transformer? choke? (it's closest to the PT) MESA 550 381 EIA606-509

transformer? choke? (it's closest to the tubes) MESA 185225 EIA606--521

as you may have guessed i'm not technically minded/knowledgeable on this subject so i'm sorry if anything i have asked/said doesn't make much sense.

thanks.
 
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