EntityQ2031146· pop 9· linked from 23 articlesQuad ElectroacousticsSign in to saveBritish hi-fi companyConnectionsEnglandEntityWorld War IIConceptInternational Standard Book NumberEntityBBCConceptShenzhenCityWayback MachineEntityvacuum tubeEntityholding companyEntityHuntingdonEntityFM broadcastingEntityhigh fidelityEntityaudio preamplifierEntitysound recording and reproductionEntityaudio amplifierEntityaudio signalEntitypublic limited companyEntitytunerEntityAM broadcastingEntitypublic address systemEntityelectrostatic loudspeakerEntityCategories1936 establishments in EnglandAudio amplifier manufacturersAudio equipment manufacturers of the United KingdomCompact disc player manufacturersElectronics companies established in 1936English brandsLoudspeaker manufacturers