MSW-820 is a 2 oscillator based analogue monosynth with an advanced 16 mode voltage controlled filter, 2 envelope generators, digital LFO with sync and trigger functions, digital noise source with 8 flavors, MIDI (TRS or USB), all in a compact desktop or euro format.

Specifications: VCOs
  • AS3340 Based, Pulse and Sawtooth Waveforms
  • ENV Modulation (OSC1) and LFO Modulation (OSC2)
  • Range: 16'/8'/4', 7 Octaves
  • Pulse Width Modulation: 50% to Min
  • PWM Mode: ENV/Manual/LFO Modulation
  • Master and OSC2 (offset) Tune Control
  • Pulse/Sawtooth Mixer control per Oscillator
  • 2 Hard Sync Modes: O2 Track Pitch or O2 Do not track pitch
  • 2 Reset Modes: Reset O1 on gate or Reset O1 and O2 on gate
Sound Mixer 
  • External Input (pre filter)OSC 1 Level
  • OSC 2 Level 
  • Sub Osc Level tracking OSC1 with 1, 2, and 2 PWM Octave Settings
  • Noise Level with 8 Noise Models:
    White, Pink, Hex Invert, Crackle, Orgone (pitched), Sonar (pitched)
VCF
  • AS3109 Base16 Modes.  Low Pass, High Pass, Band Pass, Allpass (aka Phase)
  • Cutoff Frequency: 10Hz to 20kHz
  • Resonance: 0- Self Oscillation
  • CV Follow: 0-100%
  • This knob (Audio rate filter modulation from OSC1's triangle output)
  • Envelope Modulation via Attenuverter (-5 to 10)
  • LFO Modulation via Attenuverter (-5 to 10)
  • Pitch Modulation via Attenuverter (-5 to 10)
  • External CV Modulation via Attenuverter (-5 to 10)
LFO
  • Rate: 0.1 Hz to 22 Hz8 Shapes with crossfade between shapes:
    Sine, Square, Ramp, Tri, Saw, Expo Decay, Random, Smoothed Random
  • 2 Reset Modes.  Reset on Gate and Reset on Gate with Phase Control (via Fade knob)
  • Fade Control (LFO Delay with Fade in)
  • Bipolar Rate indicator 
Envelopes 
  • Attack time: 1.5 ms to 2 s
  • Decay time: 2 ms to 10 s
  • Sustain Level: 0-100%
  • Release Time: 2 ms to 10 s
  • Modulation Envelope is hardwired to Modulation bus
  • VCA Envelope is hardwired to VCA
VCA/Output Mixer 
  • VCA Control
  • External Input (post filter/Env)
Inputs/Outputs 
  • MIDI IN. TRS 3.5mm PSIMIDI (either A or B)
  • Clock IN to Control LFO Rate**
  • Gate IN. 5-10V*
  • V/Oct IN*
  • Filter CV IN
  • LFO Mod IN
  • Audio IN
  • Synth/Mix OUT
  • USB C IN/OUT.  5V Power 200 mA.  DC Adapter included.  Also serves as USB MIDI 

*Analog inputs override MIDI

**Overrides MIDI clock, switches LFO to clocked mode


MIDI Control/ MIDI Features
  • LFO Shape CC# 14
  • LFO Rate (divisor when clocked) CC# 20
  • LFO Reset to phase CC# 22
  • LFO sample and hold/release (switch @ 64) CC# 23
  • Pitch bend up range* CC# 3
  • Pitch bend down range (use up range if zero)* CC# 86
  • Filter freq (via ExtCv slider) CC# 74
  • Noise select* CC# 30
  • Noise click mode  (switch @ 64) CC# 89
  • Porta time* CC# 5
  • Porta on/off (switch @ 64)** CC# 65
  • Porta “glide mode” (switch @ 64) CC# 85
  • Mod wheel CC# 1
  • Mod depth(LFO to Pitch amount in semitones)* ??
  • Velocity to filter mod amount* ??

*Setting is saved

**saved, but only activated when MIDI is detected

Power

5V DC, 200 mA USB C (Adapter Included)

Dimensions

220x120x50 900g

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ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more
Brand
Model
  • MICHIGAN SYNTH WORKS MSW-820 ANALOGUE SYNTHESIZER

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Royal Oak, MI, United States
Joined Reverb:2016

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