Multivox MX-202 Spring & Brass Ensemble Synthesizer
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The instrument

The Multivox MX-202 is a string and brass ensemble keyboard. It is almost identical to the Roland RS-202 string and brass instrument. It is not clear which instrument is a copy or where the two instruments were developed and manufactured. However the two instruments sounds quite different.

Details

The instrument uses divide down oscillation for its full polyphony.  It offered independent Strings 1, Strings 2, and Brass presets either side of a keyboard split located two-fifths of the way up its five-octave keyboard. Each side of the split also offered a variable Tone control, Slow Attack and variable Sustain and Volume Soft options, thus allowing to play bi-timbrally. It also featured a user-controlled delay for the vibrato, and Ensemble Off/1/2 switches.
The keyboard was C-to-C instead of F-to-F, losing seven semitones in the bass and extending the upper range by the same amount. The Ensemble selectors were three buttons marked Off, 1 and 2, rather than a single three-position toggle switch marked Off, I and II. 

(source: Sound on Sound)