warpboy

2520 opamp from fabio
« on: August 23, 2007, 06:32:31 PM »
hello, I've just started to do an Api312 mic preamp with cinemag CM-75101A input tfo and oep output tfo
after reading many threads here and looking at fabio documents (pdf),
I just like to know the difference between 2520bc and pp2520 pcb from Fabio.

thank you by advance
 :wink:


 

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