ARC's two-box reference preamp of 1983 - a valve line stage with a separate power supply, sold at ¥1.29 million in Japan.
Valve equipment: 400-500 V is present on the plates and stored in the supply after switch-off. ARC units are valve-matched at the factory - replacement sets must be bought as matched quads/pairs.
Marks that can be entered for this maker: Model / catalogue number, Model / catalogue number, British capacitor code (Hunts, Mullard), Japanese capacitor code (Nichicon, Chemi-Con, ELNA), EIA component code.
Nothing predates 1983; components only push the date later.
Sold-listing reading: fair EUR 3,950, good EUR 4,900, excellent EUR 5,190 EUR · 5 sold listings (thin sample — indicative only) · as of 2026-10-17. Asking prices only - these are live listings, not completed sales. 5 listing(s) in EUR observed on 2026-10-17 via the HiFi Shark marketplace aggregator; min/median/max of the observed asks are used as fair/good/excellent, which is a reading of the ask spread, not a condition grading. Listings in other currencies were seen and counted for the spread but are not converted here (see the journal): SEK x1, USD x4.
Evidence: Audio Heritage (JP) — period catalogue sheets · HiFi Shark — live listings aggregator