sga-soa builders - dont make this mistake

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plumsolly

Well-known member
Joined
Nov 3, 2007
Messages
969
Location
Denver, Colorado
i built a couple of sga-soas from the p-town kits, and on both of them i put one leg of r2 in one of the l2 pads and one leg of l2 in one of the r2 pads. it just looks like they should go there from the printing on the pcb. you'll know if you did this, because the opamps won't work. just thought i'd share.
-Ben
 
yes. it's even visible on the pcb. i just missed it twice, so i thought other people might too. thanks for sharing your design. i got mine working and i have them as the summing amps on the 2-buss of my console right now!
-Ben
 
I should check mine. They were very neatly made, but out of all the opamps I've assembled, these were the only ones that didn't work!

Cheers,

Roddy
 

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