About the Voice 108

Features

VCO Features:

• 1 Volt / Octave CV
• Coarse and fine VCO frequency controls
• PWM control
• CV control of VCO pulse width modulation (PWM)
• Sub-octave square wave output 1 octave below main frequency
• Jacks for VCO Sine, Triangle, Saw and Pulse waveform outputs 

VCF Features:

• 1 Volt / Octave CV
• CV control of VCF cut-off, cross modulation and resonance
• Controls for cut-off, resonance and cross modulation

VCA Features:

• CV control of VCA level
• Initial level control

LFO Features:

• LFO waveforms square, saw, triangle & ramp
• Level and rate controls 

Gate Pulse Generator:

• Gate rate control

Mixer Features:

• Six mixer level controls for VCO pulse, sub-octave, saw, triangle, sine + noise
• Common voice output jack

ADSR Features:

• Controls for Attack, Decay and Release envelope phases along with the Sustain level
• Time range selection switch x1 / x10
• Gate input for full ADSR output
• Illuminated manual gate button
• LED indicator of gate pulse
• ADSR output level control

Specification

• Supply voltage +/-12Vdc  (note: this module uses two power supply connectors for load sharing)
• Supply current  J1: +68mA / -68mA, J2: +12/-26mA
• Panel width: 4U
• Waveform levels +/-5V
• Main PCB dimensions 175.26 x 188.51mm
• VCO frequency range without applied CV 20Hz to 13.6kHz
• LFO frequency range 0.037Hz to 17Hz
• Gate frequency range 0.038Hz to 9Hz