Tag Archives: cathode bias

BFF Twenty + Black Tweed

Posted on March 1, 2023 by patsweet

The newest build and first BFF Twenty + was custom ordered with black lacquered tweed and a US made leather handle. This is the 6L6GC version of the BFF Twenty and shares all other features such as: PPIMV(master volume), midrange … Continue reading →

Posted in Uncategorized | Tagged #JTM45, #madeintucson, 6L6GC, blackface amp, blues amp, boutique amp, cathode bias, classic rock amp, Deluxe Reverb, fender clone, Fender Deluxe Reverb, Fender Princeton Reverb, hand built, hand wired, recording amp, tube amp, Tucson Amp Repair, tweed amp, Vintage Fender Amp, Vintage Tube Amp | Comments Off

New Model! BFF Twenty

Posted on January 7, 2023 by patsweet

The first build and new Sweet model of 2023 is complete! This portable 1×12 powerhouse combo is basically a PreBS 20 in a PreBS 15 chassis and cab. No vibrato in this one but is has a few new features … Continue reading →

Posted in Handbuilt Amps | Tagged #madeintucson, 6V6, adjustable fixed bias, BFF Twenty, blackface amp, blues amp, boutique amp, cathode bias, chicago blues, classic rock amp, Deluxe Reverb, Fender Deluxe Reverb, Fender Princeton Reverb, hand built, hand wired, hand wired amp, Made in Tucson, Master Volume, point to point wiring, PPIMV, Princeton Reverb, recording amp, Sweet Amp, Sweet Amplification, tone stack, tube amp, Tucson Amp Repair, tweed amp, Vintage Fender Amp, Vintage Tube Amp | Comments Off

PreBS T12 Black w/Carolina Blue Stripe

Posted on April 30, 2022 by patsweet

A newly completed T12 is available now, not yet spoken for. I built this in a color scheme that I’ve been wanting to see for some time now and with the blue stripe in the grill cloth more prominently displayed. … Continue reading →

Posted in Handbuilt Amps, Uncategorized | Tagged 5E3, 6V6, blues amp, boutique amp, cathode bias, chicago blues, classic rock amp, fender clone, hand built, hand wired, hand wired amp, neil young, point to point wiring, recording amp, tweed amp, Vintage Fender Amp, Vintage Tube Amp | Comments Off

PreBS T12+ Vox Fawn

Posted on April 20, 2022 by patsweet

A newly completed PreBS-T12+, the classic 5E3 tweed Deluxe with some features for more versatility. This one has custom Mercury Magnetics trannies for use with 6V6 or 6L6 power tubes, bias switch to make whichever tubes you use happy, a … Continue reading →

Posted in Uncategorized | Tagged 5E3, 6L6GC, 6V6, blues amp, boutique amp, cathode bias, chicago blues, classic rock amp, fender clone, GA-SC59 alnico speaker, hand built, hand wired, neil young, Neil Young Amp, point to point wiring, tube amp, tweed amp, tweed deluxe, Vintage Tube Amp | Comments Off

PreBS T5

Posted on July 18, 2011 by patsweet

This 5W combo with a single 8″ speaker is based on the tweed Champ, a ’50s era Fender entry level practice amp. It features a single 12ax7, a single 6V6 and a 5Y3 rectifier tube and is a cathode biased class “A” … Continue reading →

Posted in Uncategorized | Tagged 6V6, blues, cathode bias, champ clone, chicago blues, classic rock amp, Eric Clapton, hand wired, joe walsh, Joe walsh amp, Layla amp, recording amp, tube amp, tweed amp, zz top, ZZ top amp | Comments Off