TL071 chip problem?? for New clipper device

[user]

Um, is the adaptor the right orientation?  Possible you're feeding -12vdc to pin 7?  Worse, possible you're feeding 12vAC to the circuit?  Sorry if the questions are insulting.  Just trying to cover all the bases.  Some adaptors are less obvious than others about their properties.  You wouldn't be the first person to fall victim to mistaken assumptions about an adaptor.

No. I dont feel insulted. Yes iVe checked the orientations and it is 12volts positive.

[Gilles C]

Did you check the DC voltage at the pins of the IC?

It would be helpfull to know that.

Gilles

Yes, its 12 volts straight from an adapter at 7th.

I was also talking about the (+), OUT and (-) pins. You should have something like +4.5V at the (+) pin, and about the same level at the output (not 0V or +12V) and at the (-) input.

Gilles