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Born as the "kid brother" to Roland's legendary JUPITER-4, the rare PROMARS synthesizer from 1979 has become one of the most coveted vintage instruments on today's used market. This deceptively compact monophonic powerhouse married the reliability of microprocessor control with rich analogue warmth, establishing itself as one of the first synthesizers to feature onboard memory storage.
The PROMARS packed serious sonic punch despite its small footprint, boasting two VCOs and two sub-oscillators that could be detuned to create a distinctive unison chorus effect. This configuration effectively gave users the sound of a four-VCO synthesizer, producing thick, buzzy leads and powerful low-end tones that proved big things indeed come in little packages.
The versatile PROMARS plug-in captures this vintage magic with circuit-level accuracy, cranking out the fat, growling basses and searing lead tones that made the original such a go-to instrument. Its unmistakable character embodies the golden era of Roland synthesis, offering that evocative voice and rich sound that continues to inspire musicians decades after its initial release.
- Each oscillator has extended range for more flexibility
- The LFO includes a new Random waveform setting
- Full user control of noise and pulse width
- Advanced arpeggiator with tempo sync
- Modern effects: reverb, bit-crusher, and tempo-syncing delay



