New Factory Sealed SIMA Video Sound Mixer Video Tape Audio Mixer Model SSM #621

This is a new factory sealed SIMA Video Sound Mixer Model SSM-3 It is a sound mixer with 3 inputs, 1 output, and device control features. The mixer is designed for use with video tape audio and is suitable for console/tabletop setups. It is made by the brand Sima in Taiwan. Vintage "1994"