Yamaha (Hi-Fi) · CA-series integrated amplifiers

CA-800

The smaller brother of the CA-1000 - 45 W in class B or 10 W of class A, with the same all-stage direct-coupled OCL circuit.

Catalogue code: CA-800
Years: 1973
Type: integrated amplifier
Valves & speakers: 45 W + 45 W into 8 ohms in class B, 10 W + 10 W in class A
Lifecycle: retired
Confidence: High

Specifications

Watts: 45
Watts_basis: per channel, 8 ohm load unless noted in rated_load
Channels: 2
Technology: solid-state
Class_of_operation: A/AB switchable
Weight: 13.5 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 1973; components only push the date later.

03 / Value

What moves the price

Sold-listing reading: fair JPY 2,400, good JPY 19,700, excellent JPY 37,000 JPY · 2 sold listings (thin sample — indicative only) · as of 2026-10-18. 2 completed sales in JPY observed on 2026-10-18. fair/good/excellent = min/median/max of the observed SOLD prices (2400 / 19700.0 / 37000), NOT condition grades - neither source publishes a per-condition split. Only 2 sales in this currency, so it is recorded as an estimate with sample_flag thin, not as an aggregate. Sale/completion dates span 2026-02-25 to 2026-10-12. Channels counted: yahoo_closed x1, mercari_sold x1. No exchange-rate conversion was applied anywhere in this file.