Just Service Inc. has been one of Chicago’s go-to electronics repair centers since 1981, growing over the decades into what the company calls the top repair center in the city. For guitarists and musicians, the shop handles guitar repair, guitar amp repair, and instrument repair alongside a remarkably wide range of electronics work. Tube amp repair is part of their repertoire, making them a solid option for players with vintage or high-end amplifier gear that needs careful attention. Beyond guitars and amps, Just Service works on DJ equipment, pro gear, mixers, keyboards, reel-to-reels, turntables, and vintage stereo equipment, which speaks to the depth of their technical knowledge across both consumer and commercial electronics. The shop holds a 5-star manufacturer rating and accepts mail-in repairs, offering a free estimate on shipped items. Appointments are required for in-person service. For Chicago musicians hunting for reliable amplifier repair or instrument repair, Just Service brings over 40 years of hands-on electronics experience to the bench.