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Pierson Amp - muffled/foggy...different tubes?

Bill_El

Member
Messages
33
I've got a Pierson 5F1 Champ with a Weber Vintage AlNiCo speaker.

I find the sound is quite muffled or foggy almost unusually so. I can try some drastic eq to fix it, not the best solution, it's been suggested that I might try some different tubes. Any thoughts?


Thanks for any input.
 

Bill_El

Member
Messages
33
Tube types if that helps:

Output: 6V6GT
Preamp: 12AX7
Rectifier: 5Y3GT

I could pull them and check the brands as well.
 

TheAmpFactory

Member
Messages
835
is this a new amp to you? or has it recently started doing this?
I had a very simualr problem with a H&K amp of mine, tubes were Ok. but just the bias had slipped a bit, took it to a tech, and all was well again. - Might be that?
 

Bill_El

Member
Messages
33
It's sounded this way since day one for me but the amp is 3 years old so I think the tubes are also roughly 3 years old.

Maybe I'll have to take it in.
 

Bill_El

Member
Messages
33
Just heard back, he thought to try different tubes as well.

He suggested the 12AX7 first and then the 6V6, I guess they would have the most impact on the sound.
 

TDJMB

Platinum Supporting Member
Messages
3,566
If you have access to an amp tech you trust, why guess? Get the amp - and speaker - checked out. Especially if it's been like this since day one.
 




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