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Crumar Stratus or the more generously equipped Trilogy (which had a string section and ‘presets’ as well as the organ and synth sections shared with the Stratus). They were both a bit of an oddity in that they used divide down oscillators which fed into 6 synth voices based around CEM 3310/3320/3330 chips tied to pairs of notes across the keyboard. This was because the synth didn’t have any voice allocation as it didn’t run under digital control (no CPU etc).

Likewise the presets on the Trilogy weren’t stored digitally; each preset accessed a bank of trimmer pots under the hood that mirrored the front panel controls. The good news is that because the oscillators used were divide down you got full 49 note polyphony but the filter allocation meant retriggering of notes occurred if that VCF was already ‘in use’. Osc mod is limited (being TOS based) although there was glide, ‘sync’ and the ability to switch between saw and square waves per key press or by the LFO.

Its big, dated, limited and fairly scarce but it fills your criteria. Similar in many ways to the Korg Delta but with a more comprehensive and better sounding synth section.

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