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What is it?
Operating System Availability
Operating System Latest Version
System Requirements
Windows XP, Vista, 7, 8, 10 / 32-bit or 64-bit VST2, VST3 Host
System Requirements
macOS (OSX) 10.7 or above, 64-bit VST2, VST3, AU Host
License & Installation Method
Voucher / Code for redemption on other website
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FilterCult is an accurate simulation of the infamous and iconic transistor ladder analogue filter, meticulously preserving its original circuit topology, behaviour and quirks.

Moreover, the addition of circuit-bending modifications and the possibility to use supplementary nonlinear electronic components sensibly expand its sound sculpting possibilities.

As a master effect or as a single channel insert processor, FilterCult is capable of producing from smooth and gentle analogue filtering up to extremely aggressive coloration of any audio material.


  • Accurate physical modeling simulation achieved by the adoption of the Advanced Component Simulation (ACS) approach.
  • Full 64-bit processing accuracy for every single aspect of the simulation.
  • An all-in-one complete setup: transistor ladder analogue filter + modulation unit + signal router.
  • FLT-TL22 Advanced Transistor Ladder Analogue Filter:
    • Accurate modeling of a transistor ladder analogue filter using the topology-preserving transform method.
    • Providing supplementary, creative circuit-bents of the original filter architecture.
    • Including multi-node circuit output for different filter response (4-pole, 3-pole, 2-pole, 1-pole).
    • Experimental high-pass mode output.
    • Extended cutoff frequency range (from 20 Hz up to 20 kHz) and self-oscillation (also in 1-pole mode).
    • Voltage regulator circuit (auto stabilizer safety switch) providing full filter stability also when using extreme settings for the nonlinear components, parameters modulation, device-level feedback and component-level feedback.
    • Analogue modeled transistor-based and tube-based saturation and overdrive circuits with separate load controls for pre-filter and post-filter stages.
    • Device-level feedback path with the possibility to delay the feedback signal (up to 10 ms).
    • Separate modulation for cutoff, emphasis parameters and channel polarity inversion switch.
  • MOD-XG01 Multimode Modulator:
    • Accurate input signal detection (envelope follower) with sensitivity control (from 5 ms up to 2 sec).
    • Multi-waveform LFO generator with separate frequency (from 0.05 Hz up to 300 Hz), tempo-sync and phase-reset controls.
    • Envelope generator with attack and decay time controls (from 1 ms up to 10 sec).
    • Noise generator.
  • PRM-EM44 Embedded Preamp / Mixer:
    • Multi-mode input signal router with gain control (from -inf dB up to +6 dB).
    • Final mixer section, with blend (dry / wet) and main volume (from -inf dB up to +6 dB) controls.
  • Includes more than 20, multi-scenario factory presets.
  • Support for sample rates from 44.1 kHz up to 192 kHz.
  • Available in multi-size GUI resolutions.
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