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Hoffman Amps Forum image Author Topic: Hot rod Pro Jr  (Read 1920 times)

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Offline clayman

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Hot rod Pro Jr
« on: March 12, 2014, 07:06:27 am »
I was given a pro jr  Because it has a pcb,I figured the easiest thing would be to tack on some bypass caps to the 12ax7 cathodes. and maybe strap some resistors to the plate to take it up to 200k. I would like more gain for dirty blues but no heavey metal plastic fiz. Any ideas?
http://www.el34world.com/charts/Schematics/files/fender/Fender_pro_jr.pdf
« Last Edit: March 12, 2014, 07:41:28 am by clayman »

Offline sluckey

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Re: Hot rod Pro Jr
« Reply #1 on: March 12, 2014, 08:33:34 am »
You may also want to consider removing C2 and R6 and replacing R5 with a jumper wire.
A schematic, layout, and hi-rez pics are very useful for troubleshooting your amp. Don't wait to be asked. JUST DO IT!

Offline clayman

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Re: Hot rod Pro Jr
« Reply #2 on: March 12, 2014, 01:01:20 pm »
Thanks Slucky.

 


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