Hoffman Amplifiers Tube Amplifier Forum

Amp Stuff => Tube Amp Building - Tweaks - Repairs => Topic started by: TurboGuitarMelton on January 05, 2019, 12:28:39 am

Title: Parallel SE Princeton Reverb
Post by: TurboGuitarMelton on January 05, 2019, 12:28:39 am

Hey guys,


Im planning my next amp build. Ive attached my preliminary sketch of the schematic. My favorite amp is the princeton reverb and Ive been wanting a vibro champ for its trem. I already have a 5f1 I built and dont want another champ. I have a Princeton chassis and I have a bunch of parts lying around.... SO. Ive come up with this.


Its basically a Princeton reverb SE cathode biased amp with vibro champ trem circuit added on where the Princeton trem and the PI would be.


I am using a weber w022772 PT. I have a Princeton/deluxe reverb driver. I also have a 15w SE OT with 7k primary to 4 ohms secondary. Will that OT work for this project?  I think 2 6v6s in parallel is 3500k right?


Any major errors or am I on the right track?  Thanks!

Title: Re: Parallel SE Princeton Reverb
Post by: sluckey on January 05, 2019, 05:56:36 am

Looks like fun.

Title: Re: Parallel SE Princeton Reverb
Post by: shooter on January 05, 2019, 06:39:04 am

I used 3.5k last one I built, plate ~~~ 290vdc.  I've found giving each PA tube it's own R & C has less "issues"

I settled in on 420 ohms for my Rk @290vdc
If you're doing a turret design, add a couple for G2 R's.  They come in handy :dontknow: when you're tweakin n tunin your sound