EHX 12AY7 Mic Preamp

 
EH 12ay7 Mic Preamp
Electro Harmonix


Front
Front of EH 12a77 Preamp Main PCB
Module
All Pics are bigger then they appear
12Ay7
Back of ehx 12ay7 Mainboard Back of EHX 12ay7 Preamp Main PCB


10k to 200 Ohm 1:4 Neutrik (15dB Loss)

600 to 600 Ohm 1:1 Lundahl 1517 (Missing Bass)


Full Test








 ==> DBX 117

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