Plug Out Promars synth from Roland

Roland release replica of rare Promars synth

Friday, March 6th, 2015

The Promars plug-out Software Synthesizer is a complete reproduction of the rare and powerful PROMARS synthesizer first released in 1979. With two detunable VCOs and two sub-oscillators per voice, the PROMARS is easily one of the most deep and rich sounding monosynths ever created. Designed for SYSTEM-1 as well as Mac and PC hosts, the new PROMARS uses Analog Circuit Behavior to faithfully recreate every detail of the incredibly warm, dense sound of the original, with a level of authenticity that can only come from Roland.

plug out software

Roland synth

The original PROMARS was a sibling of the legendary JUPITER-4, and is often thought of as simply a monophonic version. But the PROMARS was more than that. While the JUPITER-4 had one VCO and one sub-OSC per voice, the PROMARS had two of each. The pitch of the two VCOs could be slightly detuned to produce a unison chorus effect, and a sub-OSC was provided on each VCO. Able to produce sounds similar to a four-VCO synthesizer, the PROMARS sounded positively huge , and is practically the definition of big, fat synth tone. While not as well known as the JUPITER-4, the thick sound and “compu-memory” function that allowed sounds to be stored and recalled made it a highly regarded instrument with a unique place among the classic Roland monosynths.

With the new PROMARS PLUG-OUT Synthesizer, the sound of this rare, vintage instrument is perfectly reproduced with Analog Circuit Behavior (ACB) technology. ACB faithfully captures the sound and feel of our most revered classics, using original design specs, and a detailed, part-by-part analysis of each analog circuit. While the sound and behavior is reproduced with total accuracy, we couldn’t help but improve a few things in this new version. The VCOs have increased range settings, the LFO has a “Random” waveform setting, and the Noise and and Pulse Width sections have full range control of those parameters. And like our other PLUG-OUT synths, the PROMARS has great-sounding effects and an advanced arpeggiator section.

While multiple instances of the PROMARS plug-in can be used in any VST or AU compatible DAW, the PROMARS PLUG-OUT Software Synthesizer offers seamless integration and unique capabilities for SYSTEM-1 owners. Connect a SYSTEM-1 and it becomes a dedicated controller, only lighting the appropriate knobs and sliders pertinent to the PROMARS. Transfer sounds back and forth between the PROMARS and SYSTEM-1 and even use the SYSTEM-1 as a high-quality audio and MIDI interface. Or break free entirely and PLUG-OUT directly to the SYSTEM-1, creating a stand-alone, hardware PROMARS synthesizer with real physical controls that can go anywhere and doesn’t require a computer.

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