4ms EnvVCA

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4ms EnvVCA

4ms

EnvVCA

4.5 Expert Rating

Product Info

Article Number: 558278
Brand: 4ms
Model: EnvVCA
Price: $170.50

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

The 4ms EnvVCA is a fantastic little module for anyone wanting a tight, versatile AD envelope and VCA in a small package. It's particularly well-suited for percussive sounds, rhythmic sequences, or anything needing a quick, controllable envelope – think experimental sound design or driving basslines. Its ease of use makes it great for both beginners and seasoned modular explorers.

Product Description

  • 4ms EnvVCA
  • Eurorack Module
  • Function generator with built-in VCA
  • AD envelope with fader for rise and fall times (each with three selectable time ranges)
  • Level control for envelope output (range: 0 V to +10 V)
  • Trigger input
  • Signal input and cycle button with gate input
  • CV input for envelope time control with adjustable intensity for rise and fall
  • VCA audio input and output
  • Envelope signal output and End of Rise trigger output
  • Power consumption: 83 mA (+12 V) / 81 mA (-12 V)
  • Width: 8 U
  • Depth: 24 mm
PROS
  • • Excellent AD envelope shaping with the fader provides nuanced control.
  • • The built-in VCA delivers a clean, punchy signal with good headroom.
  • • Cycle button offers a unique, self-oscillating modulation possibility.
  • • Compact 8HP footprint makes it ideal for space-constrained modular systems.
CONS
  • • Limited time range options might restrict very slow or very fast envelope needs.
  • • Envelope level output is a bit low, requiring amplification in some setups.
  • • Lack of attenuators on the CV inputs can make fine-tuning tricky.

Product Video

Key Features

Type Function Generator with VCA
Stages AD Envelope
HP Width 8
Depth 24 mm
Power Draw 83 mA (+12 V) / 81 mA (-12 V)
CV Outputs 1 (End of Rise Trigger)

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Frequently Asked Questions

The Cycle button essentially creates a self-triggering loop, oscillating the envelope. This produces rhythmic pulses or drones, depending on envelope settings and external modulation.
While the fader allows for extended rise and fall times, the discrete time ranges may limit extremely slow envelope durations. It’s better suited for shorter, more defined envelopes.
The envelope output level is relatively modest compared to some other 4ms modules. You might need a gain stage or an external amplifier to drive certain destinations effectively.

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