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DoepferA-105-4 Quad Poly SSI VCF

Item#
N13-9754
8hp
$245.00 $205.00
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Doepfer A-105-4

The A-105-4 from Doepfer offers four 24 dB/oct low-pass filters in a compact module optimized for polyphonic modular patching. The module's unified CV inputs for cutoff frequency, resonance, and level (with four built-in VCAs) make great-sounding four-voice polyphony within Eurorack easier to achieve than ever before.

A-105-4 Features

  • Quad SSI2144-based analog filter
  • One audio input and output per filter
  • FM input with attenuator for each filter
  • Consolidated Frequency, Q, and Level controls with CV input
  • CV input attenuators for each parameter
  • Eurorack module
  • Width: 8hp
  • Depth: 50mm
  • Current draw: 70mA @ +12v, 70mA @ -12v
SignalRelated ArticlesPioneering a Format: the Doepfer A-100 SystemAn Overview of the Original Eurorack Modular Synthesizer SystemBuilding a Polyphonic Modular Synth with Doepfer ModulesNew Approaches to Classic Analog Polyphony
Doepfer A-105-4 Quad Poly SSI VCF Reviews