adding fx loop to old peavey amp?

lcipher3

Well-known member
Sorry if a bit of off topic - but FX loops are a big thing with using my pedals I build.

Was thinking of messing around with one of my old SS amps - good old Peavey Blazer. Was wondering if anyone would be able to give me advice on where I could add an FX loop? I looked at some of the other larger Peavey amps and copied the basic approach but not sure how it would translate to this amp. Below is what I think might work? Comments?

I guess I could also put it downstream farther after the TONE controls...

Below is the section - attached the full schematic.

FX LOOP.png
 

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I would probe that point and see what your signal level is. I'm going to guess all those 2sc1740 gain stages that it's gonna be a little hot for pedals.
 
I would probe that point and see what your signal level is. I'm going to guess all those 2sc1740 gain stages that it's gonna be a little hot for pedals.

yeah good point I do need to take it apart and prove it. although the clean channel (which is what I mainly use) only goes thru a few and I normally run this very "clean" hence the desire for a pedal FX
 
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