Schematics
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Schematics


As I find cool stuff, I'll post it here
Got a neat or clean schematic of cool old gear ? Send it to me, and I'll see about including it.

These pictures are large, and will take awhile to load... but they print on an 8x10" sheet nicely.


RCA BA-1A Microphone Preamplifier
This is the first generation RCA mic preamp. I have a set of these and they are absolutely my favorite "go to" tool for a stand alone outboard preamp.

Sound City retrofit to DR era HiWatt
This is a project in the works. I am converting an older Sound City LB-120 into a point to point wired DR era Hiwatt. Wish me luck !

Power supply and output stage for the SCwatt
This is the power supply and output stage for the Sound City to HiWatt renovation.



Binson Echorec II, I used to have one but no longer