77108952
Feb 16, 2007
Sound reinforcement systems; amplifiers; electrical amplifiers; electrical amplifiers for use with musical instruments; 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; public address systems; public address systems including passive enclosures; public address systems including powered enclosures; public address systems including mixer amplifiers; acoustic guitar amplifiers
Electrical and Scientific Apparatus