Yamaha (Hi-Fi) · C-series separate control amplifiers

C-2

The control unit designed for the B-2: FET input, class-A parallel push-pull output, 600 ohm output impedance.

Catalogue code: C-2
Years: 1976
Type: preamplifier
Valves & speakers: Pure complementary class-A parallel push-pull output stage, 600 ohm output impedance
Lifecycle: retired
Confidence: High

Specifications

Channels: 2
Technology: solid-state
Class_of_operation: A (output stage)
Weight: 7.8 kg

Safety

Mains-powered vintage Yamaha: the V-FET devices in the B-1/B-2 are long out of production and fail if the bias drifts, so never run an unrestored unit hard. Japanese-market units are 100 V - use a step-down transformer.

01 / Witnesses

What applies here

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.

02 / Bounds

The model year is a floor

Nothing predates 1976; components only push the date later.

03 / Value

What moves the price

Sold-listing reading: fair JPY 1,000, good JPY 27,480, excellent JPY 107,273 JPY · 7 sold listings (thin sample — indicative only) · as of 2026-10-17. Asking prices only - these are live listings, not completed sales. 7 listing(s) in JPY 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): EUR x2, PLN x1, SEK x1, USD x1.