Mercury Magnetics, Classic Tone, Heyboyer
Sonicap, Alessandro, Mallory, JJ/Tesla, MOD, Orange Drop, Sprague Atom, F&T, Nichicon Muse
Dale, Holco, Kamaya, Caddock
Neutrik, Switchcraft, Rean, Canare, Mogami, Marinco, custom teflon and silver cable
Altec, JBL, Celestion, Electro-Voice, Eminence, Fane, Jensen, Weber...
Cable and Connectors
It that 'grail tone' eluding you?
Is your amp breaking up too soon, or not soon enough?
Ghost notes when playing loud?
Running hot maybe?
Excessive hum and noise?
We offer various levels of upgrade to power supplies, transformers, caps, resistors, tubes and more. We use only best sounding parts, and silver solder.
Guitar Amp Mods and Upgrades
We can make your newer stock amp sing like a classic or roar like a beast!
Upgrades for any amp and most budgets
Convert your Silverface Fender to a Blackface Fender
Portland Pro Audio 611 N. Tillamook St., Portland OR 97227 503-406-1881