Class 009: Devices and instruments for conducting, distributing, converting, storing, regulating or controlling electrical power, namely, amplifiers, preamplifiers, and cables; devices for recording, transmitting and reproducing sound and images, in particular audio amplifiers and electronic looping and switching devices for audio signals; measurement devices and instruments for recording, reproducing and amplifying sound and audio signals, namely, audio analyzers; electronic controllers for use with audio amplifiers; and electronic devices for amplifying and transmitting audio signals, namely, musical instrument amplifiers and distribution amplifiers for audio signals and electronic looping and switching devices for audio signals
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