DIY Mic Pre Kits, Lunchbox Mic Preamp Kits, Power Supply Kits

MAJOR CORRECTION!!!!
Unfortunately, I drew the schematic wrong and showed C22 with the wrong polarity.

The CORRECT orientation for C22 is shown in the photo below. C22 must be inserted with the (-) polarity pointing to the edge of the PCB.

Also, an additional step in the PDF Assembly guide... solder a jumper wire across C37.



If you've bought an SC-1mk3 kit, email me and I'll send you a replacement C22 capacitor asap.

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I just found this post, is this correction still need to be done on the sc1mk3 kit

This is an old post. This is not applicable to the PCB you received.

If your PCB is REV 3.00-121510, you do NOT need this correction.