Tweed Preamp Mod Silverface Fender Power tube resistor upgrade (makes

Power tube resistor upgrade (makes life easier for that 6V6

We have taken readings on literally thousands of resistors and spent countless hours putting these matched sets together

Parts and instructions for adjusting the bias

these kits are not intended for your amp

Princeton Reverb AA1164 Blackface Mod Kit

Tweed Preamp Mod Silverface Fender Power tube resistor upgrade (makesOur Tweed Preamp mod gives you another classic Fender voice at your fingertips! It's a little thicker and richer than the standard blackface or silverface preamp, with more mid range emphasis that leans itself towards earlier breakup and 'beefier' tone. Easy to perform, and very effective. Do this mod in one channel of your two channel Fender, and its like having two different amps in one. Very handy if you use different guitars with different