ADDAC 601 VC Fixed Filterbank

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ADDAC 601 VC Fixed Filterbank

ADDAC

601 VC Fixed Filterbank

4.7 Expert Rating

Product Info

Article Number: 505635
Brand: ADDAC
Model: 601 VC Fixed Filterbank
Price: $434.50

* Prices may vary. Check retailer for current pricing and availability.

The ADDAC 601 VC is a seriously cool module for sound designers and experimental musicians. It's fantastic for creating unique textures and rhythmic effects – think lo-fi hip-hop, glitchy soundscapes, or adding character to synth pads. If you're looking for a unique, hands-on filtering experience without a huge investment, this is a great choice.

Product Description

  • ADDAC 601 VC Fixed Filterbank
  • Eurorack Module
  • Analogue 8-band filter bank
  • Per frequency band: volume control
  • mute switch
  • VCA CV input
  • envelope follower CV output and audio output
  • Two audio inputs (input 1 with attenuator)
  • Outputs for odd and even frequency bands
  • wet and mix signal
  • Current consumption: 340 mA (+12 V) / 350 mA (-12 V)
  • Width: 20 HP
  • Depth: 55 mm
PROS
  • • Excellent analogue character, distinct and usable filter frequencies
  • • Individual volume and mute per band offer incredible sonic sculpting
  • • Envelope follower output adds dynamic movement and modulation possibilities
  • • Compact 20HP footprint maximizes space in Eurorack systems
CONS
  • • Fixed filter frequencies limit versatility compared to fully sweepable filters
  • • 340mA current draw can strain power supplies in smaller racks
  • • Attenuator on input 1 feels a little flimsy for frequent adjustments

Product Video

Key Features

Filter Type Analogue 8-band fixed filterbank
Modes Odd/Even band output selection, Wet/Dry mix
HP Width 20 HP
Depth 55 mm
Power Draw 340 mA (+12 V) / 350 mA (-12 V)
CV Inputs VCA CV input per band, Envelope follower CV output per band

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Frequently Asked Questions

The envelope follower tracks the amplitude of the audio signal going through each band, generating a control voltage that can modulate other modules – think filter sweeps or rhythmic gating.
The frequencies are designed to create a unique sonic texture, and aren't evenly spaced – this is intentional to create interesting harmonic relationships and movement.
While you *can* use it for basic EQ, its real strength lies in creating complex, evolving textures – it's more of a sonic effect than a traditional EQ.

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