Webster TP45 conversion

[sluckey]

Hey, you gotta blow too! Even Neil knows that.   

[ElusiveMoose22]

Hey, you gotta blow too! Even Neil knows that.

Silly me, seems I've been doing it wrong this whole time 

[sluckey]

Jim nailed that thought perfectly!   

[Hebert]

wow this thread is incredible. I just bought one of these for $15 this morning!!  I have built a few amps from scratch but have never done this kind of thing. Repurposing an old PA amp. First I am going to clean it up and see what is working and what is not. I will likely have a lot of questions.  This tread provides a lot of good info.

[Hebert]

hi, do you know what the voltage and the mA is for the power transformer?

[dorkjackson]

Seeing what I want to work with is a Webster TP 45, I will start here.

The difference is I want to use it for the mic preamps. I'm assuming there's a place where I can pull off the preamplifier signal from each of the separate inputs after the first gain stage. Can anyone show me on the schematic where I can do this? The final gain stage would essentially be unused, but I think the tube mic preamps will sound great for recording. Little help for a newbie.

[sluckey]

If you want an individual channel preamp output, simply connect the wiper of that volume pot to an output jack. If you want all three preamps mixed together, connect the output jack to pin 9 of the mixer/amplifier tube.

An easy thing to do is put a jumper wire across the 1M resistor that's connected to the phono volume pot. Nou you can simply take the three mixed mic channels from the phono jack and the phono volume pot can be used as a master volume. Ie, each mic channel has it's own volume control and then the overall volume can be set with the master volume.

[dorkjackson]

If you want an individual channel preamp output, simply connect the wiper of that volume pot to an output jack.

Thanks Sluckey! Indy direct outs are exactly what I want!
Bravissimo!