34 MODEL D User Manual
Synthesizer Architecture
Number of voices Monophonic
Type Analog
Oscillators 3 (0.1 Hz to 20 kHz in 6 overlapping ranges)
LFO 1 (0.05 Hz to 200 Hz, up to 300 Hz with external CV
input)
VCF 1 switchable low pass or high pass (24 dB/octave
slope)
Envelopes VCA, VCF
Connectivity
MIDI In/Thru 5-pin DIN / 16 channels
USB (MIDI) USB 2.0, type B
High output ¼" TS, unbalanced, max. 0 dBu
High output impedance 1.2 k
Low output ¼" TS, unbalanced, 30 dB below high output
Low output impedance 1 k
Headphones 3.5 mm TRS, unbalanced, max. -3.5 dBu
Headphones output impedance 8
USB
Type Class compliant USB 2.0, type B
Supported Operating Systems Windows XP or higher
Mac OS X 10.6.8 or higher
Controllers Section
Knobs Tune: -2 to +2
Glide: 0 to 10
Modulation mix: (OSC 3 or lter EG) to (noise/ext mod
source, or LFO)
Modulation depth: 0 to 10
LFO rate: 0 to 10
Switches Modulation source: OSC 3 or lter EG
Modulation source: (noise or external modulation
source) or LFO
LFO waveform: triangular or square
Oscillator Bank
Knobs Range (OSC 1, 2, and 3): LO, 32', 16', 8', 4', 2'
Frequency (OSC 2 and 3): -7 to +7
Waveform (OSC 1 and 2): triangular, triangular/saw,
saw, square, wide pulse, narrow pulse
Waveform (OSC 3): triangular, reverse saw, saw,
square, wide pulse, narrow pulse
Switches Oscillator modulation on/o
OSC 3 control (by keyboard) on/o
Mixer Section
Knobs Volume (OSC 1, 2, and 3): 0 to 10
Volume (external input): 0 to 10
Volume (noise): 0 to 10
Switches OSC 1, 2, and 3: on/o
External input: on/o
Noise: on/o
Noise source: pink or white
LED Overload
Filter Section
Knobs Cuto frequency: -4 to +4
Filter emphasis: 0 to 10
Amount of contour: 0 to 10
Attack: 1 ms to 10 s
Decay: 4 ms to >35 s
Sustain: 0 to 10
Switches Filter mode: low pass/high pass
Filter modulation: on/o
Keyboard control 1: on (⁄) or o
Keyboard control 2: on (⁄) or o
Filter decay: on/o
Output Section
Loudness contour
dynamic range:
80 dB
Knobs Volume: 0 to 10
Headphone volume: 0 to 10
Amount of contour: 0 to 10
Attack: 1 ms to 10 s
Decay: 4 ms to >35 s
Sustain: 0 to 10
Switches Main output: on/o
A-440: on/o
Loudness decay: on/o
LED Power
Inputs (TS 3.5 mm)
Modulation source Noise is the modulation source if there is no
connection present
Oscillator 1 Control voltage: 1 V per octave
LFO Control voltage: -5 V to +5 V
External input Input impedance: 1 M
Cuto frequency Control voltage: 0 to +5 V controls the cuto
frequency
Loudness Control voltage: 0 to +5 V controls the loudness
Filter contour Gate: +5 V input triggers the lter contour
Loudness contour Gate: +5 V input triggers the loudness contour
Outputs (TS 3.5 mm)
LFO triangular waveform +/-2 V
LFO square waveform +/-2 V
Mixer output max. 0 dBu
Filter contour 0 to +4 V
Loudness contour 0 to +4.6 V
Main audio output max. 0 dBu
Power Requirements
External power adaptor 12 VDC 1000 mA
Power consumption 7 W max.
Environmental
Operating temperature range 5°C – 40°C (41°F – 104°F)
Physical
Dimensions (H x W x D) 90 x 374 x 136mm (3.5 x 14.7 x 5.4")
Module width 70HP
Weight 1.7 kg (3.7 lbs)
Shipping weight 2.7kg (6.0 lbs)
9. Specications
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