Sound reinforcement systems comprised of power amplifiers related to electronic guitars; 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; Speaker enclosures; Electronic effects pedals for use with musical instruments; Computer software for providing digital profiles for and operating musical instrument amplifiers and pedals that may be downloaded from a global computer network; Digital materials, namely, downloadable software plugs-ins featuring modeling parameters for emulating, simulating and modeling the sounds of musical instrument amplifiers
Electrical and Scientific Apparatus