Quad stereo (UK) from 1967: Quad 33 Pre-amplifier, Quad FM3 Tuner and quad 303 Amplifier. Got one floating around somewhere. | Instrumentos, Áudio, Som
QUAD 405 CURRENT DUMPING POWER AMPLIFIER | eBay
Weiliang Audio Clone Classic British Quad 405 Power Amplifier Maximum Output Power 100w*2 - Home Theater Amplifiers - AliExpress
Quad II Monoblock Tube Amplifier and Quad 303 Stereo Ampli… | Flickr
Quad - Vena II Play Integrated Amplifier - Music Direct