Virus Rack (Ver. T)

Base game MAME Music 01/01/2001 0

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Description

Musical Instrument (Electronic) published 25 years ago:

Virus Rack (c) 2001 Access Music GmbH.

The Virus Rack is a 1U rack-mountable digital virtual analog (VA) synthesizer module. It was introduced as a compact, budget-friendly alternative to their flagship desktop synthesizer of the era, the Virus B, condensing that unit's highly sought-after electronic sound engine into a single rack-space unit for project studios and touring live rigs.

Internally, the Virus Rack is powered by a high-speed Motorola DSP microchip executing Access’s acclaimed virtual analog physical modeling algorithms. The module features a 16-voice polyphony architecture and a 16-part multi-timbral layout. Each voice is built around three oscillators (two main oscillators plus a third auxiliary oscillator), a sub-oscillator, and a flexible dual-filter system. These resonant filters can be smoothly configured in series or parallel to shape complex waveforms.

Because of its slim 1U profile, the front panel layout is heavily streamlined compared to the knob-laden Virus B desktop unit. It features a high-contrast backlit LCD screen, basic navigation keys, and five assignable rotary encoder knobs to quickly tweak crucial parameters like filter cutoff, resonance, envelopes, or effects on the fly. The back panel provides robust connectivity, offering four independent analog outputs and a pair of analog inputs for routing external audio signals directly through the internal synth engine.

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The Virus B Pedigree: The original Virus Rack shares the exact same software operating system, synthesis architecture, and factory sound-ROM configuration as the Virus B and Virus Indigo synthesizers. This means presets can be shared seamlessly between these pieces of hardware via MIDI System Exclusive (SysEx) dumps.

Streamlined Polyphony: To lower the price point for the Rack variant, Access slightly scaled back the DSP capabilities. While the standard Virus B desktop model boasts 24-voice polyphony, the original 2001 Virus Rack is physically limited to a maximum of 16 concurrent voices.

Audio Processing Expansion: The dual external audio inputs allow the Virus Rack to function as a powerful, standalone studio effects processor. Incoming line-level signals can be treated with the module's internal 22-band vocoder, ring modulators, chorus, phasers, and global delay/reverb chains without triggering any internal synth notes.

The "Easy Transfer" Trap: Because the front panel has far fewer physical knobs than its desktop counterpart, Access heavily marketed the unit alongside computer-based MIDI patch editors. This layout paradigm shift caused the unit to be widely adopted by electronic music producers who preferred programming patterns via software sequencers rather than menu diving on hardware.

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