Adcom GTP-500 Stereo Tuner Preamplifier Powers On Untested

ADCOM GTP-500 II Tuner/PreAmplifier - TESTED Needs Antenna

Vintage Adcom GTP-450 Stereo Tuner & Preamplifier – Tested & Works

Adcom GTP-600 5 Channel Surround Sound Tuner/Preamplifier - For Parts/Repair

Adcom GTP-602 Stereo Preamplifier - Tested

ADCOM GTP-350 Stereo Tuner / Preamplifier

ADCOM GTP-400 Pre-Amp/Processor Amplifier

Adcom GTP-350 Solid-State Stereo Preamplifier And AM/FM Tuner – Tested & Working