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Amp gurus, please help! Gallien-Krueger.

#21
BassmanPaul said:
I believe that the IRFP254 would be suitable for the service in the power supply. I have ten that are matched to within a few hundredths of a volt. If the OP and Sam would like to PM me with their addresses I'll send you a couple each. This, of course, assumes that the power supply is the actual problem area.
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Thanks for the offer! Much appreciated. I already ordered a batch of 2SK809s. If all goes well I'll have 8 extras after the amp is repaired of which I can send some to Sam if he needs/wants them.
 
#24
Hi.

Thanks for the offers guys. I'll get back to You when I find the amp and look for what I really need.

It's been a while since I packed that head into the "hopeless bin" and because of the move (~400m3 of misc. "things ;)) I have no idea where everything is, yet.

Michael, if Your tech has any doubts about the matching or simply can't do it, DO NOT install the MosFets, they will most probably blow in a split-second.

Regards
Sam
 

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