should I have +9v...

[runmikeyrun]

on the output pin of a 741?  I can't find anywhere "normal" voltages for a 741 are posted.  This is in '77 OD 250.  I have no noise, signal, hum, anything coming out of it.

[burnt fingers]

No....

You should not have 9V on the output of a 741.  It sounds like youve got a bit of a soldering problem.  Are you running your power close to the output of the opamp.  You may have a tiny solder bridge. 

Scott

[runmikeyrun]

that's what i thought.  I've been going over it with the lighted magnifying glass/xacto and found a couple, must be one more in there somewhere.  This is first attempt at vero.  I've been building since 2000 and it is frustrating trying not to get bridges.  I have found a number of them.  I think i'm (dare say it!) going back to perf for my next build.

Thanks for the help, the search continues!

[Ronsonic]

A DC offset on the output of an opamp is pretty much the symptom when they go bad.

If you've got the usual 4.5 on the noninverting input (pin 3) then I'm inclined to blame the IC.

It might not be you this time.

Ron

[km-r]

or maybe the non-inv input is tied to 9v???

i never use single op-amp in an 8-pin DIL, i always use dual op amps beacuse its the only op-amp config i memorize...