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I am reading about biasing and i assume i have to assemble the board and power it up. The j201 fets are from guitar pcb and are tested. Measure the voltage and adjust the trimmers to 4.6v. I am not sure Is there a link somewhere that shows how to measure the voltage? Or do people just...

Thanks. Pb

Hmm, out of stock on those. Can I just order those parts and solder them myself? https://www.pedalpcb.com/product/mmbfj201/ https://www.pedalpcb.com/product/sot23adapter/ thanks Pb

Thanks! That explains it. I will order some Pb

I am getting parts for the m800 build. I am a bit confused by the j201. It looks like the usual transistor shape: https://www.taydaelectronics.com/j201-jfet-n-channel-amplifier-transistor.html But I have seen comments here saying to use the pre-soldered board...

Thanks guys. All working now! Pb

Confirmed. Fixed the polarity and the led lights up! Pb

Btw i suspect my power wiring reversed if i am getting -9.29v as opposed to positive 9.29 Pb

Note. I am testing with the multimeter buzzer between the lugs just to be clear. I guess this rules out the switch

I verified that there is continuity between middle and bottom then switch on middle and top. Pb

Here is a clear pic. The yellow and green is a bit confusing

Hi I have a pathogen build with a 3 pdt stomp with a mini pcb board Pass thru works ok Stomp engaged, no led, no output Pcb + to mini pcb IN shows-9.29v I suspect the 3pdt but it is unclear what the proper set up is. Not sure what to look for in the switch. Attaching a pic Appreciate any...