Ritm 1 Soviet Analog Organ Synthesizer

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"Ritm-1 is a solid keyboard organ manufactured by the Kirov Factory, having a 5-octave keyboard providing the possibility of split sounds of the right and the left sections, a built-in rhytm box and the function of auto accompaniment with various styles.
The instrument can play organ sounds, string and imitation of wind instruments, also a percussion click.
Different registers are provided for variation of organ sounds, basses, accompaniment, etc; balance level between parts section and adjust of other sound modes is also provided for.
Among the effects delivered by Ritm-a are frequency, vibrato, tremolo, percussion and sustain.
The organ is placed into a wood hard case; the weight is about 30 kg.
Functions of the accompaniment section:
- Styles: Waltz, Swing, Rumba, Samba, Bossanova, Foxtrot, Rhythm-and-Blues
- Rhytm start, bass level, Volume, Tempo
- Start knobs: keyboard, auto
-Accompaniment;: tone, percussion

The section of balance and levels:
-Left manual and bass: 16',8',4',+ 2'2/3 + 2' +1', accompaniment/left manual
-Right manual: 16',8',4', 2'2/3, 2', 1'; balance percussion/accompaniment
Section of percussion, additional sounds and effects:
- Bass, solo, alto, oboe, trumpet, violin; 16', 8', 4', 2'2/3, 2',1'; perc/tremolo on, glide
-Effects: balance perc/tremolo, vibrato frequency and depth, percussion depth, tremolo freq, sustain"