MATRIXSYNTH: 1979 MTI Auto Orchestra AO-1 Analog Synthesizer / Drum Machine

Saturday, August 15, 2020

1979 MTI Auto Orchestra AO-1 Analog Synthesizer / Drum Machine

via this auction

"The unit is fully functional and works as it should.

This is the very rare MTI Auto Orchestra AO-1 drum machine / bass synth / strings / chords accompaniment unit + bass pedals and cover for the front of the box.

This thing is pretty insane. The Drum machine sound is off the hook!

The MTI AO-1 has many different drum presets and each preset button has 2 variations. Each drum voice has its own cancel button (!) so you can choose whatever elements of the beat you want (say just kick drum, kick + snare, cancel the cymbal, cancel conga, etc.) so the combinations are pretty much endless.

Very powerful bass sound. reminiscent of the TB 303. Strings section and chords section.

When no drum preset is chosen, you can play the bass and strings manually using the pedals. When a preset is chosen, the pedals will determine the chord.

The volume knobs of the different sections can be pulled for constant signal. When these knobs are pulled, they control the volume for its assigned section."

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