Hi,

I have a Trace Elliot 300W bass amp here that uses 2 pairs of BUZ901/906
mosfets. All output devices have been resoldered or replaced at some point,
and the amp now contains 2 x BUZ901 (SML) and 2 marked STUD1P.

I've repaired a few of these in my time but never come across this marking.
Is it a Trace internal number, or have these been substituted in from
elsewhere? Are they actually BUZ906?

(One BUZ901 is blown, the other 3 check out OK on a PEAK component tester).


Cheers,



Gareth.