The control unit that launched the C-series - the partner of the P-300 and the reference preamp of the early 1970s.
Mains-powered vintage Accuphase: the big filter capacitors and the bias network need checking before first power-up, and the original Sanken/MOS-FET output devices are unobtainable. Japanese-market units may carry a 100 V transformer with a voltage selector - confirm the setting before plugging in.
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, Version & era marker.
Nothing predates 1973; components only push the date later.
Sold-listing reading: fair $899, good $899, excellent $899 USD · 1 sold listings (thin sample — indicative only) · as of 2026-10-18. 1 completed sale in USD observed on 2026-10-18. fair/good/excellent = min/median/max of the observed SOLD prices (899.99 / 899.99 / 899.99), NOT condition grades - neither source publishes a per-condition split. Only 1 sale in this currency, so it is recorded as an estimate with sample_flag thin, not as an aggregate. Channels counted: reverb x1. Sales seen in other currencies are listed but NOT mixed in and NOT converted: JPY x1 (201000). No exchange-rate conversion was applied anywhere in this file.
Evidence: Audio Heritage (JP) — period catalogue sheets · Accuphase — official product museum & service pages · +1 more