HH

Electrical and electronic audio apparatus; sound mixing, processing and synthesising apparatus; sound reinforcement systems; amplifiers; electrical amplifiers; electrical amplifiers for use with musical instruments; electro-acoustic amplifiers; power amplifiers for use in sound reproduction; sound amplifiers; valve amplifiers; valve amplifiers for sound amplification; solid-state amplifiers; solid-state amplifiers for sound amplification; hybrid amplifiers; hybrid amplifiers for sound amplification; combination amplifiers; head amplifiers; public address systems; public address systems including passive enclosures; public address systems including powered enclosures; public address systems including mixer amplifiers; guitar amplifiers; acoustic guitar amplifiers; microphones, headphones; loudspeakers; mixing desks; audio mixing apparatus; audio mixing desks; mixing consoles; master audio mixing desks for use in an audio recording studio.