Yes, red must be +12V since that’s what’s connected to the tip switches. But then the power connections on the TL072s are reversed.
(I’m surprised you didn’t use a TL074, but I suppose you had reasons.)
Yes, red must be +12V since that’s what’s connected to the tip switches. But then the power connections on the TL072s are reversed.
(I’m surprised you didn’t use a TL074, but I suppose you had reasons.)