erica-synths-black-modulator-v2

Erica Synths Black Modulator V2

LFO, noise, and S&H powerhouse for live modulation

10 HP Eurorack module

The Erica Synths Black Modulator V2 is a combined modulation and noise source featuring a dual-range LFO with three simultaneous waveform outputs, a Zener diode-based noise generator delivering white, pink, and crushed noise flavours, and a clockable sample-and-hold circuit. Its character ranges from slow, dreamy modulation to chaotic audio-rate weirdness, with the noise crush section capable of producing everything from dense 1-bit noise to sparse random trigger bursts. Designed for live performance with large knobs and deep patching flexibility, it excels at generative, industrial, and experimental sound design.

Features

  • LFO with simultaneous saw, triangle, and pulse waveform outputs
  • LFO/audio frequency range switch covering 0.2 Hz to 750 Hz
  • External clock synchronization with RATE knob acting as frequency multiplier or divider in sync mode
  • Zener diode-based noise generator for full-spectrum white noise
  • Pink noise filter output
  • Noise Crush knob fading from 1-bit noise to sparse random trigger bursts
  • Crushed noise output
  • Clockable sample-and-hold circuit using a rare, high-quality S&H chip
  • S&H CV input normalled to white noise output
  • S&H clock input normalled to LFO
  • CV Level knob attenuates S&H input level
  • All inputs and outputs protected against overvoltage

Controls & Jacks (16)

  • CV Level— Attenuates S&H input level. When nothing is patched in CV IN, adjusts S&H output amplitude from white noise.
  • Pink Noise— Pink noise output with integrated filter.
  • Noise Crush— Controls crushed noise flavor, fading from 1-bit noise to individual random trigger bursts.
  • Rate— Controls LFO and S&H clock frequency. In sync mode, works as frequency divider (÷2, ÷4 counterclockwise) or multiplier (×2, ×4 clockwise).
  • CV IN— S&H circuit input for CVs or audio signals. Normalled to white noise output.
  • Crushed Noise— Noise crush output, variable from 1-bit to trigger bursts.
  • White Noise— Zener diode-based white noise output (10Vptp).
  • Triangle— Triangle LFO output (-5V to +5V).
  • Sync— External clock input to synchronize LFO frequency.
  • Pulse— Pulse LFO output (-5V to +5V).
  • S&H— Sample and hold output, up to 20Vptp.
  • CLK IN— External S&H clock input. Normalled to LFO if nothing is patched.
  • LFO/Audio Range— Selects between LFO mode (0.2Hz - 25Hz) and audio rate mode (18Hz - 750Hz).
  • LED— Visual feedback blinks at LFO frequency
  • SAWTRI— Sawtooth LFO output (-5V to +5V).
  • S&H OUT— Sample and hold output, up to 20Vptp.

How-To Guides

  • Classic Triangle LFO Vibrato
  • Random Stepped Melody via S&H
  • Clock-Synced LFO Modulation
  • Pink Noise Atmosphere Layer
  • 1-Bit Crushed Noise Percussion
  • Audio-Rate S&H Ring Modulation Effect
  • Sparse Random Trigger Generator
  • Stepped CV from External Sequencer
  • Rhythmic Gate from Pulse LFO
  • Noise Filtered by LFO-Swept VCF

Explore the interactive Black Modulator V2 panel on BleepDex — tap any control to learn what it does.

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