Roland 521 Eurorack Dual VCF Module (SYS-521)

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Roland 521 Eurorack Dual VCF Module (SYS-521)

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The Roland System-500 521 Dual VCF Module features two voltage operated filter modules which can be used to filter various input sources and be blended with the robust faders. Based on the iconic System 100-m modular synth, the Roland 521 Dual VCF Module includes frequency cutoff, resonance and HPF controls on each filter channel and can be integrated into any modern synth set up to offer professional analog filtering.

Roland System 500 Series

The Roland System 500 Series synth modules are a premium set of Eurorack mountable synth modules which incorporate all analog circuitry to re-create iconic synth tones but with modern functionality and reliability. Designed for seamless integration with any contemporary synth modules the System 500 Series synths offer impressive sound design versatility and professional analog synth tones.


Analog recreation of the iconic System 100m synth
Dual voltage controlled filters
Frequency cutoff, resonance and HPF controls per VO filter
Classic analog sound with a modern functionality
High pass filter includes two switchable cutoff points
Audio and CV mixers for blending multiple audio signals
Rackmountable (Eurorack) design
Built in the USA

Filters: 2 x Voltage Controlled
Filter Controls (Per VO Filter): Frequency Cutoff, Resonance and HPF
High Pass Filter Modes: Off, Mode 1, Mode 2
6 x Signal In
2 x Key
4 x MOD IN
Outputs: 2 x Out
Rotary Controls: 4
Switches: 2
Faders: 10
Finish: Black

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