The voltage controlled oscillator is one of the essential core modules in your modular analogue synth. The M²Synth has a few options for VCOs:
- VCO 101 with sync inputs and sub octave pulse outputs
- VCO 102 is a quad VCO with preset chord intervals between the VCOs
- VCO 103 is a mini version of the 101 without the sync and sub octave features
- Voice 108 has in addition to a VCO, other core functions including a filter, VCA, noise, ADSR etc.
Overview
This MU module, the VCO 101 is a fully featured oscillator which we consider to be your main VCO. Where space is limited, it pairs up well with its mini-version, the VCO 103. This combination gives the fat two oscillator sound plus offer synchronisation between the oscillators for those rich harmonic sounds.
Features
- 4 waveforms outputs Pulse, Saw, Triangle & Sine
- Sub Oscillator Square wave output that can be switched between 1 octave and 2 octaves below the main VCO outputs.
- 1 Volt/Octave control voltage input
- 1 Volt/Octave modulation input (FM) with potentiometer attenuator
- AC Linear control voltage input with potentiometer attenuator 60Hz/Volt
- Coarse and fine frequency potentiometer controls
- Pulse output can be varied from around 5% to 95% pulse width with potentiometer
- External pulse width modulation of pulse output with potentiometer attenuator
- 3 types of sync input, soft, +ve and -ve.
Specification
- Supply voltage +/-15Vdc using the included inline voltage regulator
- Supply current +24mA / -20mA
- Waveform levels +/-5V
- PWM CV range 0-10V
- Frequency range <10Hz to > 16kHz using coarse and fine frequency controls. <1Hz to > 60kHz with external CV applied
- Main PCB dimensions 87.5x109mm
- Width 2MU
Kit contents
Each kit contains
- Main PCB
- Jack socket PCB
- All electronics components, IC sockets and power socket
- 100mm long Power lead
- Potentiometers, knobs, switches and jack sockets
- Front panel assembly (faceplate and 3mm acrylic PCB holder)
- Fixings
- Fully assembled and boxed 15V in-line voltage regulator with MU and MOTM headers