Wurlitzer electric pianos for vintage - style sounds​ 4ms Dual EnvVCA Analog Envelope/VCA Eurorack Module (16 HP)

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4ms 4ms Dual EnvVCA Overview

  • 1Description
  • 2Envelope Circuit
  • 3VCA Functions
  • 4Eurorack Ready

Dynamically control and shape your Eurorack audio signals with the 4ms Dual EnvVCA, a dual analog envelope generator slew limiter, and VCA. Each of the two channels is identical, and they can be used separately or together. The waveform of each envelope can be controlled with a slider or CV without changing the envelope timing.

The module's wide time range and plethora of CV inputs and attenuverters allow it to be used as an LFO, audio-rate oscillator, slew limiter, ASR/ADSR/complex EG, independent audio/CV VCA, envelope follower, side-chain processor, and general utility module. The Dual EnvVCA ships with a ribbon power cable and mounting screws.

Envelope Circuit
  • Versatile linear envelope generator / LFO
  • Low-noise, low-distortion, DC-coupled exponential VCAs
  • 100% analog
  • Sliders and Range switches control Rise and Fall times from ~1.25 ms (800 Hz) to > 2 minutes
    • Time CV jack extends time range: ~125 µs (8 kHz) to ~10 minutes
    • Independent attenuverters for Rise and Fall times
    • Blue/Red LEDs indicate strength and polarity
  • Cycle buttons for looping envelopes (LFO)
  • Trigger input jacks fire a one-shot envelope
  • Cycle gate input jack toggles cycling for both channels
  • EOR/F (End of Rise/Fall) gate outputs can be used to chain and sequence events
  • Env Level and Offset knobs scale and shift Env Out without changing VCA volume
VCA Functions
  • Audio In and Out jacks for passing audio or CV through the VCA
  • VCA CV inputs so you can use VCAs independently from the envelopes
  • VCA gain internally connected to envelope output when VCA CV jack is left unpatched
  • Follow input jacks allow for slew limiting, sustain (ASR), and exotic filtering effects
  • Re-trig jumpers allow for retriggering during rise phase
Eurorack Ready
  • 16 HP Eurorack format module
  • Maximum Depth: 0.95" (24mm) 
  • Includes power ribbon cable with 10-pin Eurorack power header
  • Power consumption: +12V: 156mA, -12V: 131mA

In the Box

  • 4ms Dual EnvVCA Analog Envelope/VCA Eurorack Module (16 HP)
  • Eurorack Ribbon Power Cable
  • Set of Mounting Screws
  • Limited 1-Year Manufacturer Warranty

Not in the Box

    Table of Contents
    • Description
    • Envelope Circuit
    • VCA Functions
    • Eurorack Ready

    4ms 4ms Dual EnvVCA Specs

    Key Specs
    Sound Generation
    Analog
    Maximum Polyphony
    Not Specified by Manufacturer
    Audio I/O
    2 x 1/8" / 3.5 mm TS Unbalanced Mono Modular/Eurorack Input
    2 x 1/8" / 3.5 mm TS Unbalanced Mono Modular/Eurorack Output
    MIDI I/O
    No
    CV/Gate I/O
    2 x 1/8" / 3.5 mm TS Trigger Input
    2 x 1/8" / 3.5 mm TS Gate Output
    7 x 1/8" / 3.5 mm TS CV Input
    3 x 1/8" / 3.5 mm TS CV Output
    Patch Points
    11 x 1/8" / 3.5 mm TS Input
    7 x 1/8" / 3.5 mm TS Output
    Eurorack Current Consumption
    156 mA on +12 V Rail
    131 mA on -12 V Rail
    Horizontal Pitch
    16 HP
    General
    Item Type
    Eurorack Module
    Sound Generation
    Analog
    Keyboard
    No
    Expression Controls
    No
    Number of Pads
    No
    Display
    No
    Sounds
    Maximum Polyphony
    Not Specified by Manufacturer
    Built-In Effects
    Yes
    Built-In Speaker
    No
    Synthesis
    Oscillators
    No
    Mixer
    No
    Amplifiers
    2 x VCA
    Envelopes
    2 x Assignable Envelope Generator: Attack, Decay, Sustain, Release
    Filters
    No
    LFOs
    Number of LFOs: 2 x Global
    Sequencing & Recording
    Sequencer
    No
    Arpeggiator
    No
    Connectivity
    Audio I/O
    2 x 1/8" / 3.5 mm TS Unbalanced Mono Modular/Eurorack Input
    2 x 1/8" / 3.5 mm TS Unbalanced Mono Modular/Eurorack Output
    Pedal Support
    No
    MIDI I/O
    No
    CV/Gate I/O
    2 x 1/8" / 3.5 mm TS Trigger Input
    2 x 1/8" / 3.5 mm TS Gate Output
    7 x 1/8" / 3.5 mm TS CV Input
    3 x 1/8" / 3.5 mm TS CV Output
    Control Voltage Level
    EG CV In: ±10 V
    Patch Points
    11 x 1/8" / 3.5 mm TS Input
    7 x 1/8" / 3.5 mm TS Output
    Sync I/O
    No
    Network I/O
    No
    USB
    No
    Media/Memory Card Slot
    No
    Audio Performance
    I/O Impedance
    Inputs:
    100 Kilohm
    Outputs:
    1 Kilohm
    Maximum Input Level
    -90 dB
    Maximum Output Level
    +0.9 dB
    Included Software
    No
    Mobile App Compatible
    No
    *As of September, 2023: Check with manufacturer for the most up-to-date compatibility
    Power
    Power Requirements
    Eurorack Power
    Eurorack Current Consumption
    156 mA on +12 V Rail
    131 mA on -12 V Rail
    Physical
    Color
    Black
    Horizontal Pitch
    16 HP
    Included Accessories
    No
    Packaging Info
    Package Weight
    0.505 lb
    Box Dimensions (LxWxH)
    6 x 4.9 x 3.1"

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