Hi, :grin:
Thoses germanium Pre are interesting,I've search a kind of replacement for TO3 OC36 it's seem that's the 2N1555 and AD150 gone be right for.Can you please,send the circuit of the B105 card or it's the same as BXXX I don't know?and Are thoses pre runing like Nevish pre B-=0V and B+=24V or another voltage? :green:
At all,Thank's a lot for thoses info. :thumb:
Regards.
Bruno.