F.S. HIGH IMPEDANCE PICKUP AMPS FOR REVERB PLATE

[Bill Wilson]

F.S. 2ea. PCB's for hiZ pickup on reverb plate. The input has an FET to step hi impedance down to match Beyer mike input transformer 200 ohm winding. High impedance output from transformer feeds TL071 opamp that drives output stage using 2N3904 & 2N3906 to give unbalanced output of 50 ohms. It will drive an output transformer 600/600 ohm impedance.
Requires +- 12-15 volt power source.

Selling the pair $110- USD, plus shipping & 3% paypal fee.

 

[mhbunch]

Just the pcb or is it a complete module?