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  5. Befaco BF-22 Sallen Key Filter

Befaco BF-22 Sallen Key Filter

Item: SYN0006510-000
Befaco BF-22 Sallen Key Filter Product Image
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Befaco BF-22 Sallen Key Filter Product Image
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The BF-22 VCF is a dual Hi/Low-pass filter inspired by the Sallen-Key filter of the MS-20, among the first portable mono-synths.  All product info
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Befaco BF-22 VCF

filter module

The Befaco BF-22 VCF is a filter module for modular synthesizers in Eurorack format. It is influenced by the filter of the Korg MS-20, which is based on the Sallen-Key principle. The module has 2x filter units that can be used individually or in series. The filter units operate either in 6 dB/octave high pass mode or 12 dB/octave low pass mode. In addition, the filter has attenuators (inverter attenuators) to complement the normal CV control for cut-off and resonance.

The BF-22 VCF retains the characteristic background noise of the Korg MS-20, in order to more perfectly recreate the analogue feel of the original.

The main features of the Befaco BF-22 VCF include:

  • 17HP Sallen-Key Filter Module for Eurorack Synthesizers
  • Current: +12V: 40mA, -12V: 35mA
  • Influenced by the Analogue Filter of the Korg MS-20
  • 2x Filter Units
  • 6dB/Octave High Pass Mode or 12dB/Octave Low Pass Mode
  • Works as Standalone or in Series
  • CV Control for Cut-Off & Resonance
  • CV Cut-Off Input has a Dedicated Attenuator
  • Depth: 47mm

Befaco BF22 Features

Features:

  • Manufacturer: Befaco
  • TE / HP: 17
  • Depth (mm): 30
  • + 12 V (mA): 40
  • - 12 V (mA): 20
  • Lowpass: Yes
  • Highpass: Yes
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