Since opening in 1985 on University Avenue in La Mesa, Top Gear Guitar Pro Shop has provided San Diego County with specialized guitar repair, vacuum tube amplifier service, and vintage instrument restoration. The repair bench handles fret work from simple re-crowns to full refrets, custom inlay installation, and Buzz Feiten Tuning System conversions, serving the same musician pipeline that feeds into live-music nights at La Mesa venues including Hearth House. Amplifier service covers bias adjustment, preamp modification, master-volume installation, and effects-loop wiring on Fender, Marshall, Mesa Boogie, EVH, Soldano, and Rivera chassis. Vintage restoration projects return pre-CBS Fenders, early Marshalls, and other collectible instruments to playable condition, a specialization that draws consignment referrals from dealers such as La Mesa Antique Mall. Vacuum tube amplifier service extends to full bias recalibration, point-to-point wiring inspection, capacitor replacement with matched-value components, and output transformer testing on vintage chassis dating to the 1950s and 1960s.