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Listing Comps / Adcom / GFP-555

Adcom GFP-555

Average price
$499
Market sales
12
Price trend
↑ 46% vs prior year
$125Avg $499$2,000
Typical range $250 – $750 · middle 50% of transactions
Based on 12 market transactions via web search — not HiFi Registry sales. HiFi Registry sales will accumulate as new listings sell on HiFi Registry.

24-month price trend

Jan 25Jul 25Jan 26Jul 26

15 months of data shown — Listing Comps build richer history as transactions accumulate.

Sold or Listed Prices

DateSold or Listed for
Jun 7, 2026$249
Jun 6, 2026$299
May 31, 2026$125
Apr 30, 2026$300
Apr 18, 2026$750
Feb 6, 2026$750
Nov 27, 2025$250
Dec 1, 2025$2,000
Oct 7, 2025$149
Aug 25, 2025$400
Jun 22, 2025$290
Aug 11, 2025$425

12 market transactions via web search — not HiFi Registry sales.

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Adcom GFP-555 used price — $499 average | HiFi Registry