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Expert Sleepers Disting mk4 - Multifunction Module


Product Description

The Disting is a many-in-1 multifunction module, offering a variety of CV and audio processes, including a selection of oscillators (LFOs/VCOs). All algorithms have two high-precision inputs and outputs, and a third control input, exposed on a front panel knob and a CV input.

There are currently four 'banks' of algorithms. The first 16 ('classic disting') are:

 Group 1Group 2Group 3Group 4
a Precision Adder
with integer voltage offsets
Linear/Exponential Converter Sample and Hold
with noise source and
adjustable slew rate
with through zero frequency control
and waveshaping
b Four Quadrant Multiplier
with integer multiply/divide
with selectable scales
Slew Rate Limiter
with linear and
exponential slew
Clockable LFO
with multiply/divide
and waveshaping
c Full-wave Rectifier Comparator
with adjustable hysteresis
Pitch and Envelope Tracker VCO with linear FM
sine and saw outputs
d Minimum/maximum Dual Waveshaper
wavefolder and
triangle-to-sine shaper
Clockable Delay/Echo VCO with waveshaping
and pulse outputs

The second bank contains:

 Group 1Group 2Group 3Group 4
a Precision Adder
with fractional voltage offsets
for drum synthesis
  LP/HP Filter
b Voltage Controlled
Delay Line

vibrato/chorus/flange effects
12 band
Tape Delay
with voltage controlled tape speed
LP/BP Filter
c Clockable Ping Pong Delay Phaser
up to 10 stages
  BP/HP Filter
d Clockable Ping Pong Delay
with input pan control
Bit Crusher State Variable Filter
smoothly variable filter type
BP/Notch Filter

The third bank contains:

 Group 1Group 2Group 3Group 4
a AR Envelope Dual AR Envelope Clockable AD Envelope
(with mute)
Shift Register Random CVs
b AR Envelope
(with push)
Dual AR Envelope
(with push)
Clockable AD Envelope
(with gate)
Shift Register Random Quantized CVs
c AR Envelope & VCA Euro to Buchla Converter Clockable AD Envelope
(with trigger)
Shift Register Random Triggers
d AR Envelope & VCA
(with push)
Buchla to Euro Converter Clockable AD Envelope & VCA Shift Register Random Dual Triggers

The fourth bank contains:

 Group 1Group 2Group 3Group 4
a ES-1 Emulation      
b ES-2 Emulation      

The fifth bank contains functions relating to playing back audio and MIDI files from the MicroSD card:

 Group 1Group 3
a Audio Playback MIDI File Playback
c Audio Playback with V/Oct MIDI File Playback
(Free Running)
d Audio Playback with Z Speed Audio Playback with End CV


mk4 version

The disting mk4 was introduced at the NAMM show in January 2017. The main differences compared to the disting mk3 are:

  • Dot matrix screen, capable of showing text and numeric values
  • Micro SD card slot accessible on the front panel
  • Compatibility with the Select Bus protocol
  • An internal precision clock allowing new algorithms such as a tuner, and pitch and frequency references


The disting mk4's specifications are as follows:

  • Panel width: 4HP
  • Module depth: 42mm
  • X & Y inputs, A & B outputs
    • Sample rate: 75kHz
    • ADC: 24 bit, THD+N -93dB, Dynamic range 99dB, SNR 99dB
    • DAC: 24 bit, THD+N -94dB, Dynamic range 105dB, SNR 104dB
  • Z input sample rate: 75kHz
  • CPU: Microchip PIC32MX at up to 50MHz
  • Current draw: 51mA on the +12V rail, 19mA on the -12V rail

The front panel is drilled for both Doepfer and Analogue Systems mounting holes (using a 'slot' rather than a single round hole). The power connector is a Doepfer standard 16 way IDC, with -12V furthest from the top of the board.

Other Details


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