Manley 250 Monoblock - upgrade to 500
 

Hi I have a question do you know if I can make from 250 monos 500w version by switching tubes only? or it is not so easy?

Maxflo.......I believe you must be dreaming. :D


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Only stereo amplifiers could be made bridgeable to mono.

Sal........And not all stereo amplifiers can be bridged or paralleled. A good example is the new McIntosh MC452. It has no provisions to be bridged like the MC402 amplifier.

I think Maxflo was hoping to be able to double a tube amplifier's output power with a simple tube swap. That's not going to happen.

:goodpost:

Mike.......If a tube swap was all it took to double output power, I would be the first to roll a set of KT150's into my pair of MC2301's and up the ante to 600 watts.


:club::club::club:

Since power is proportional to voltage squared, maybe using a variac to raise the voltage by a factor of 1.414 to 172.8V will double the power output.

:laughin: :lmao: :roflmao:

REALLY, DO NOT DO THIS!!!!!

That would definitely let the magic smoke out! :yes:

I know Dan, a true shame, imagine, my MC207 has 7 channels and it could
morph itself into several combinations doubling the power. I was stating
that at least you need a stereo amp and that alone is not guaranteed.