Onboard preamp question...

doc

Silver Supporting Member
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Does anyone make an onboard differential op amp preamp similar to what's in active pickups like EMGs? What I'm interested in is something small enough to easily install in most guitars but with discrete non SMT components to allow experimentation. I realize Duncan has the Blackout Modular preamp with SMT parts.
 
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Electrosmash has the circuit - EMG81 Pickup Analysis.

Pretty easy to whip up on veroboard, if you are modifying components anyway.

Are you really after differential - with one coil hanging off inverting, other coil hanging off non-inverting?

Or would simple onboard buffer do?
 

doc

Silver Supporting Member
Messages
7,126
Thanks for the input. Looking for differential. I was sort of hoping someone would have at least a premade circuit board available if not a populated board. I was mostly going to try to adjust it for a tad less boost and increased fidelity. I guess whether the op amp would be something I could "roll" would depend on what it is to start - it would also be nice if it were a socketed component. Limited number of possible op amps partly because of battery draw.

Pedalparts has some cool boards, but I don't see anything exactly like I'm looking for.
 




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