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The Adcom GTP-450 (1995) is a budget-friendly stereo tuner/preamplifier known for audiophile-grade sound, featuring 5 RCA inputs, a dedicated phono stage, and Class "A" high-level output circuitry. It is often paired with Adcom high-current power amplifiers and has excellent FM/AM reception. This item is in VERY GOOD condition, just minor nicks here and there. Works and sounds great, great tuner. No original remote controller.Inputs: Phono, Tuner, CD, Tape 1, Tape 2.Performance: 0.0075% Total Harmonic Distortion (THD)Signal-to-Noise Ratio (line) 95dBFeatures: Quartz synthesizer tuning, 8 presets, and motorized volume control.Dimensions: 3.25" x 17" x 12.75"Weight: 14 PoundsFrequency Response: 20Hz to 20kHz ($\pm$0.5dB).Total Harmonic Distortion (THD+N): <0.0075% at rated output (20Hz–20kHz).Service History: No service records were included from the prior owner. Here at the shop we did routine testing, cleaning and inspection.Cosmetic Condition: Overall we rated this at Very GoodIn the Milwaukee Area? Stop in our shop to inspect/demoSee our feedback and thank you for considering. All the gear we sell is packaged with great care for safe arrival in the condition advertised.
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ADCOM emerged in the 1970s as a family-owned American audio venture founded by audiophile Newt Channin, initially focusing on exceptionally musical moving-coil phono cartridges that set it apart from typical entrants. The brand quickly pivoted to electronics with the groundbreaking GFA-1 power amplifier in 1979, delivering 200 watts per channel and robust current for demanding speakers, propelling ADCOM into prominence during the high-fidelity boom of the 1980s and 1990s.
The company built its legacy on high-performance amplifiers, including the Nelson Pass-designed GFA-555 that garnered worldwide acclaim, alongside AV tuners, preamps, and multichannel power amps like the GFA-6000 tailored for home theater. While early roots lay in phono gear, ADCOM specialized in electronics offering superior sound quality without extravagant pricing, eschewing speakers, headphones, or extensive cabling lines.
Positioned firmly in the mid-fi realm, ADCOM defined accessible high-end audio for discerning buyers, blending value and performance that rivaled pricier competitors. After challenges and ownership shifts—including a Thai firm and a faltering 2010 relaunch—the brand staged a robust comeback in 2024 under J&B Distribution, reviving classics like the GFA-555ms alongside modern integrated amps and preamps, reclaiming its spot among savvy audiophiles seeking reliable, soul-stirring sound.
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