The System-500 Series – 521 from Roland is a dual, voltage-controlled filter (VCF) in a single Eurorack module. Each independent VCF offers a three inputs with level slider controls, dedicated cutoff and resonance knobs, and three modulation inputs with inputs two and three offering attenuation sliders. Additionally, each filter has a 3-way switchable high-pass filter with off/1/2 settings. The 521 includes four rack screws and a ribbon cable to connect to a Eurorack modular power supply (sold separately).
Features
- Dual Independent VCFs in a Single Module
- Two Independent Low-Pass Filters
- Dedicated Filter Cuttoff and Resonance
- Each Filter Offers Switched HPF Settings
- Three Audio Inputs per Channel
- Three CV Inputs per Channel
- Mod-In 2 and 3 with Attenuation Sliders
Specification
| Controllers | Signal-In 1 slider Signal-In 2 slider Signal-In 3 slider Modulation-In 2 slider Modulation-In 3 slider HPF switch 2x Frequency knob 2x Resonance knob |
| Connectors | Signal-In 1: 1/8″ / 3.5 mm Signal-In 2: 1/8″ / 3.5 mm Signal-In 3: 1/8″ / 3.5 mm Out: 1/8″ / 3.5 mm Key-In: 1/8″ / 3.5 mm Modulation-In 2: 1/8″ / 3.5 mm Modulation-In 3: 1/8″ / 3.5 mm |
| Horizontal Pitch | 16 hp |
| Power | Power Supply: Eurorack power Current Draw: 40 mA (+12 V), 40 mA (-12 V) |
| Dimensions | 3.2 x 2.3 x 5.1″ / 81.0 x 58.0 x 129.0 mm |
| Weight | 7.2 oz / 203.0 g |
Packaging Info
| Package Weight | 1 lb |
| Box Dimensions (LxWxH) | 5.85 x 4.65 x 3.5″ |
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