MSW-810m Analog Monosynth (with MIDI)

MSW-810m Analog Monosynth (with MIDI)MSW 810 has reached the end of production. This page for reference only. The MSW 810 is a faithful recreation of the CMU 810 Monosynth which was designed as a synth expander for the 1983 CMU 800 computer music production system. At its core however, is the tone generator of the MC 202. Specifications: VCO AS3340 Based Range: 16' 8' 4' 2' Pulse Width Modulation: 50% to Min PWM Mode: ENV Manual LFO Modulation Depth Tune Sound Mixer Level Control

MSW-810 has reached the end of production.  This page for reference only.

 The MSW-810 is a faithful recreation of the CMU-810 Monosynth which was designed as a synth expander for the 1983 CMU-800 computer music production system. At its core however, is the tone generator of the MC-202.  

Specifications:

VCO

AS3340 Based
Range: 16'/8'/4'/2'
Pulse Width Modulation: 50% to Min
PWM Mode: ENV/Manual/LFO
Modulation Depth
Tune

Sound Mixer 

Level Control Sliders: Square, Saw, Sub-OSC, Noise
Sub-OSC Waveforms: 1 oct down, 2 oct down, 2 oct down PWM

VCF

AS3109 Based
Cutoff Frequency: 10Hz to 20kHz
Resonance: 0- Self Oscillation
ENV Depth
Modulation Depth
CV Follow: 0-100%

VCA

Gate or Envelope

Envelope

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

LFO

Rate: 0.1Hz to 20 kHz
Delay Time: 20 ms to 0.7s
Rate Indicator

VCA + Mixer

Level Control Sliders: Synthesizer, Input 1, Input 2, Output
VCA Bypass Switch
VCA Response: Lin/Exp

Jacks

Synth CV in: 1V/Oct, 0-7V, 3.5mm TS 
Synth Gate in: 0-12V, On>2.5V, 3.5mm TS
VCA CV In: Lin 0.83 to 5V, Exp 0.83-4.58V, 3.5mm TS
Input 1: Unbalanced 1/4" TS
Input 2: Unbalanced 1/4" TS
Synth Out: Max -6 dBm, Unbalanced 1/4" TS
Mix Out: Max -10 dBm, Unbalanced 1/4" TS
Headphone Out: Stereo, 9-150 ohm, 3.5mm TRS
MIDI In: 3.5mm TRS (1.5m cable included)
MIDI In: USB C (1.5m USB C-USB A included)

MIDI

Control of Note/Gate ONLY

USB C
TRS MIDI Universal

Power

9V DC, 500 mA, Tip positive.  120-240V Included

Dimensions

13"x2.5"x8"

Includes: Universal power supply, MSW-810 Synthesizer, 1.5m TRS A MIDI Cable, USB C Cable.

MIDI CONFIGURATION: 

MIDI Receive channel, note priority, and root octave can all be set here:

MSW-810 Synthesizer MIDI configuration

Connect VIA USB MIDI ONLY, WebMIDI compatible browser required.

Firmware Updates: 

V1.03: (2/12/2024) MSW810MIDI_1_03.uf2

V1.01: (7/12/2023) MSW810MIDI_1_01.uf2

V1: (11/3/2022) MSW810MIDI_1_00.uf2

To update firmware, please visit this link with the synth powered on and the USB connected.  (webMIDI compatible browser required)

MSW-810 Synthesizer MIDI configuration

Device should show MSW-810, simply click the "REBOOT TO BOOTLOADER" button, a file folder will open on your computer, copy the UF2 file downloaded above to folder.  Confirm the operation and the folder will close, process is complete.

If you have a serial number below 28, please contact me for further instructions on how to update.  

MIDI IMPLEMENTATION CHART:

Demos: