Amazing new technology. Easy installation

For Fender amps made before 1980 (not reissues) and the Marshalls listed.

A mini switch that provides three distinct sounds from the amp preamp circuit. #1 = Marshall brown sound #2 = Twed Bassman #3 Crunch tone.

Not a whole modification - ez installation. you need to drill a 1/4 in hole on the back of the amp. About 30 minutes

"Triple Killer Switch"
Am541 amp kit$29.00
amp-model: 
final notes on web page

Dan's Legendary Book "Inside Tube Amps" is now available on Amazon/Kindle

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Torres Engineering

Sandpiper Drive

Yuba City CA 95993

this is not a "walk in" shop

I am Partially retired due to illness, but getting better!

in business 48 years