The timing matters in a good way: this is a vintage 1970s tube preamp with an outboard supply, so you’re buying into an older, serviceable design rather than chasing a current-production replacement. At US$819, it sits far below the US$2,342 25th percentile and miles under the US$5,266 median, so by your own comps this is a strong bargain.
What makes it worth a look is the usual vintage tube appeal: a substantial, full-bodied presentation, external power supply convenience, and a format that often attracts collectors and restorers. If the unit is original, complete, and quiet, there’s meaningful upside here because clean, intact examples of this sort tend to be harder to find than the asking price suggests. The main buyer checks are practical ones: whether it powers up properly, whether the supply is included and healthy, and whether the tubes and controls have been serviced.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.