Quad (Acoustical Manufacturing) · Quad transistor era

Quad FM 4

The FM4 closed the classic Quad tuner line, pairing with the 34 preamplifier.

Catalogue code: FM 4
Years: 1982–1995
Type: solid-state FM tuner
Valves & speakers: Solid-state FM tuner, 37,000 built - the last of the classic Quad tuners
Lifecycle: retired
Confidence: High

Specifications

Technology: solid-state
Channels: 2
Inputs_outputs: FM antenna, RCA/DIN

Safety

Solid-state: check the preset battery and tuning display.

01 / Witnesses

What applies here

Marks that can be entered for this maker: Serial 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 1982; components only push the date later.

03 / Value

What moves the price

Sold-price aggregates are not collected yet, so the archive gives no figure — condition, originality of the transformers and a documented recap move this model more than any list price.