Hoffman Amplifiers Tube Amplifier Forum

Amp Stuff => Tube Amp Building - Tweaks - Repairs => Topic started by: phsyconoodler on October 20, 2010, 12:03:39 pm

Title: question fo Sluckey
Post by: phsyconoodler on October 20, 2010, 12:03:39 pm

Hey sluckey,
  Do you remember doing a layout to convert a Princeton reverb to cathode bias and still use the trem?I can't seem to find it anymore.I want to do one but can't quite remember how.Old age is settin' in!

Title: Re: question fo Sluckey
Post by: sluckey on October 20, 2010, 12:23:51 pm

Look at the layout in this pdf (not the schematic)...
http://www.el34world.com/charts/Schematics/fender/PRINCETON_REVERB_AA1164.pdf

1. Remove the wire from the left lug of the Intensity pot.
2. Ground the left lug of the Intensity pot.
3. That's all.

Don't forget to put the resistor and cap under the PA tube cathodes, or you'll get a surprise!

Title: Re: question fo Sluckey
Post by: phsyconoodler on October 20, 2010, 01:28:12 pm

Thanks sluckey,you're the best! :smiley: