JLM AUDIO

Ok i have eq mods all ready to install, well one question... the caps on the low mid, 2.2 & 3.3, theres no indication on the polarity. I also successfully built 2 of the Hybrid opamps. I first run in class A and wanted to try AB...when i first installed with class A the LED worked and everything sou...

Ok to help someone in the future i'll answer my own post... the LED has two leads, the longer is the anode or positive. You will mount this into the pcb where you see the square. The other question i had was "do i need the DC Servo engaged or linked on the pcb" No, why? i don't know... :? but instal...

just received my 2 opamps and 2 eq mods...i think i want the class a/b but not sure about the dc servo? do i need this for the pm2k...sorry for the newbe question but don't want to damage opamps or board. i have installed 2 hairball audios opamps and wow what a difference.... want to try these to se...