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Listing Comps / Unison Research / S6
Integrated Amplifier

Unison Research S6

Average price
$2,336
Market sales
3
Price trend
Insufficient trend data
$2,200Avg $2,336$2,559
Typical range $2,200 – $2,559 · middle 50% of transactions
Based on 3 market transactions via web search — not HiFi Registry sales. HiFi Registry sales will accumulate as new listings sell on HiFi Registry.

Price trend

Jan 25Jul 25Jan 26Jul 26

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

Sold or Listed Prices

DateSold or Listed for
Jun 8, 2026$2,559
Apr 25, 2026$2,200
Mar 24, 2026$2,250

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

Understanding the market

Half of recorded transactions fall between $2,200 and $2,559. The full range is tight — lowest to highest is only 1.2×, which suggests these units trade in a well-established band and condition moves price less than it does for many models.

What buyers should know

Confirm the phono stage and headphone output work if fitted, as these are often untested by sellers. On units with digital inputs, check whether the DAC section is still supported and what sample rates it accepts.

This range reflects 3 recorded sales, compiled from publicly listed and completed sales elsewhere on the used market, not from HiFi Registry transactions. Few units of this model reach the open market, which is itself useful to know: thin trading means published prices move further on any single transaction, and it usually means less negotiating room when one does appear. Treat this as an indication of where the model trades rather than a settled valuation.

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Unison Research S6 used price — $2,336 average