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Amphead stocks a deep inventory of premium tubes — JJ Electronic, Sovtek, Tung Sol, and more — and takes a more methodical approach to retubing than most. Preamp tubes are selected by ear for each specific position, output tubes are biased by both current draw and crossover distortion, and every new tube is burned in
Arcane Amplification brings over 15 years of specialized expertise to Portland’s music scene as a technical service created by musicians for musicians. The shop focuses exclusively on keeping amplifiers and musical equipment performing at their peak, offering comprehensive services for both tube and solid state amplifiers. Their technical capabilities run deep, from basic amp servicing
Counts Amplification brings specialized amplifier expertise and custom boutique craftsmanship to Portland’s music scene. This shop has built a reputation for meticulous hand-wired amplifier builds and restorations that showcase serious attention to detail. Their techs excel at breathing new life into vintage gear, combining traditional luthier-level precision with modern reliability standards. The team’s guitar tech
Portland Pro Audio is a repair shop based in Portland, Oregon, specializing in a wide range of audio electronics repair. Their technical focus covers guitar amps, bass amps, tube power amps, and preamps, making them a solid destination for musicians dealing with everything from a finicky tube amp to a bass rig that has stopped