OTTO

Tape Recorders, Amplifiers, Pre-Amplifiers, Record Turntables, Graphic Equalizers, Noise Reduction Units for Stereo Audio Components, Tuners, Television Sound Tuners, Speakers, Audio Timers, Headphones, Microphones, Magnetic Recording Tapes, Remote Control Units, Cartridges, Antennas, Receivers and Transmitters, Microphone Mixing Adapters and Fittings Therefor