Adcom GTP-502 (2001)

A stereo tuner preamplifier from Adcom, noted for clean sound and for fitting into high-end audio systems.

Overview

The Adcom GTP-502 is a stereo tuner preamplifier made by Adcom. Production is confirmed in 2001. It works as both tuner and preamp and was designed for high-fidelity setups. Users call it a solid performer that adds no coloration, with clean, uncolored sound and a good phono stage. It has been used in systems paired with Adcom GFA-5400 power amplifiers.

Specifications

Frequency response20Hz to 20kHz
Total harmonic distortionMentioned, value not specified
Weight5.73 lbs
Dimensions10.1" x 10.87" x 2.8"

Design

The Adcom GTP-502 has Lab Out connectors that bypass the coupling caps for a cleaner signal path. It also has an EPL loop for external processors like EQs, which can be switched in and out during use.

Market

The Adcom GTP-502 has been listed for $99.95 as "Parts Only" and for $50 in a 2016 classified listing. One seller noted a retail value of about $400 after taxes. Remote controls are not always included, but they can be sourced online. Users report common remote problems. Service manuals are available through Elektrotanya and other online sources.

eBay Listings

Adcom GTP-502 vintage audio equipment - eBay listing photo 1
Vintage ADCOM GTP-502 Preamplifier
$250
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