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ADCOM GTP-500

Preamplifier

USD$75lowest active

USD$305average

USD$850highest

15active listings

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ADCOM GTP-500 2 Channel Pre-Amp with AM/FM Tuner

ADCOM Preamplifier

ADCOM GTP-500 2 Channel Pre-Amp with AM/FM Tuner

USD$230

US 2d ago

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ADCOM GTP-500 Tuner 2 Channel Pre-Amp/Processor Amplifier

ADCOM Preamplifier

ADCOM GTP-500 Tuner 2 Channel Pre-Amp/Processor Amplifier

USD$250

US 9 Jul 2026

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ADCOM GTP 500 II Preamp / Tuner. Pristine condition.

ADCOM Preamplifier

ADCOM GTP 500 II Preamp / Tuner. Pristine condition.

USD$230

US 8 Jul 2026

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Adcom GTP-500 II Stereo Tuner Preamplifier Tested Working Excellent Condition

ADCOM Preamplifier

Adcom GTP-500 II Stereo Tuner Preamplifier Tested Working Excellent Condition

USD$345

US 7 Jul 2026

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Adcom GTP-500 II Stereo Tuner Preamplifier Tested Working Excellent Condition

ADCOM Preamplifier

Adcom GTP-500 II Stereo Tuner Preamplifier Tested Working Excellent Condition

USD$299

US 6 Jul 2026

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Adcom Audiophile Stereo System – GFA-555 II, GTP-500 II & GFS-6 Speaker Selector

ADCOM Preamplifier

Adcom Audiophile Stereo System – GFA-555 II, GTP-500 II & GFS-6 Speaker Selector

USD$850

US 4 Jul 2026

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ADCOM GTP 500 AV Receiver 5-Ch. Multi Zone Digital Processor W/ Remote

ADCOM Preamplifier

ADCOM GTP 500 AV Receiver 5-Ch. Multi Zone Digital Processor W/ Remote

USD$300

US 2 Jul 2026

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ADCOM GTP-500 TUNER/PREAMP

ADCOM Preamplifier

ADCOM GTP-500 TUNER/PREAMP

USD$350

US 18 Jun 2026

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ADCOM GTP-500 Tuner 2 Channel Pre-Amp/Processor Amplifier

ADCOM Preamplifier

ADCOM GTP-500 Tuner 2 Channel Pre-Amp/Processor Amplifier

USD$250

US 17 Jun 2026

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ADCOM GTP 500 AV Receiver 5-Ch. Multi Zone Digital Processor W/ Remote

ADCOM Preamplifier

ADCOM GTP 500 AV Receiver 5-Ch. Multi Zone Digital Processor W/ Remote

USD$300

US 12 Jun 2026

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ADCOM GTP-500 Tuner 2 Channel Pre-Amp/Processor Amplifier Tested

ADCOM Preamplifier

ADCOM GTP-500 Tuner 2 Channel Pre-Amp/Processor Amplifier Tested

USD$300

US 8 Jun 2026

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ADCOM GTP-500 2 Channel Pre-Amp/Processor Amplifier, WORKS

ADCOM Preamplifier

ADCOM GTP-500 2 Channel Pre-Amp/Processor Amplifier, WORKS

USD$239

US 7 Jun 2026

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ADCOM GTP-500 II 2-Ch Tuner/Preamplifier Black with gfs-4 speaker selector

eBay US ↓ 16%

ADCOM Preamplifier

ADCOM GTP-500 II 2-Ch Tuner/Preamplifier Black with gfs-4 speaker selector

USD$250

US 1 Jun 2026

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ADCOM GTP-500 Tuner 2 Channel Pre-Amp/Processor Amplifier

ADCOM Preamplifier

ADCOM GTP-500 Tuner 2 Channel Pre-Amp/Processor Amplifier

USD$300

US 24 May 2026

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Adcom GTP-500 Hifi Tuner Preamplifier

Reverb For parts

ADCOM Preamplifier

Adcom GTP-500 Hifi Tuner Preamplifier

USD$75

US 25 Apr 2026

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