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Model 37-630 output transformer
Radioroslyn
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#2

01-20-2011, 11:50 PM
Well my old RCA tube manual sez the plate impedance is 7000 ohms. So that you are looking for is an output transformer that will match 7000 ohms to 4 ohms (voice coil) Needs to be able to handle about 4 watts or 40ma primary current.
Terry
When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!

Terry
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Messages In This Thread
Model 37-630 output transformer - by Jon G - 01-20-2011, 08:39 PM
Re: Model 37-630 output transformer - by 7estatdef - 01-20-2011, 11:50 PM



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