BluegrassDan

12AU7 VU meter buffer
« on: June 09, 2020, 10:43:15 AM »
This is somewhat of a repost from the Concertone thread. It has been concerted into a mic preamp exclusively.

As designed in the schematic, the VU meter causes a TON of distortion when switched into the circuit. Does anyone have a schematic for a 12AU7 meter buffer that would remedy this?

I tried rewiring it as a WCF, but the range of the meter is not working properly. The needle moves only a little.

Thanks, y'all.


BluegrassDan

Re: 12AU7 VU meter buffer
« Reply #1 on: June 09, 2020, 11:10:55 AM »
Schematic

PRR

Re: 12AU7 VU meter buffer
« Reply #2 on: June 09, 2020, 06:18:29 PM »
> causes a TON of distortion when switched into the circuit.

Then it is not working right, probably not wired as you think it is.

Have you found any DC voltages in there?


 

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