Minimoog Model D

For the first time since 1981, Moog Music has officially resumed production of the Minimoog Model D. The Minimoog Model D was the world’s first portable synthesizer and served as the archetype for all electronic keyboards that followed. First released in the early 1970’s, the instrument gained worldwide acclaim for combining the colossal sound of Moog’s large-format modular synthesizers with the accessibility of pre-wired modules. Over the last 40 years, some of the world’s most influential artists like Trent Reznor, Gary Numan, Dr. Dre, Keith Emerson and Herbie Hancock have shaped their unique sounds and forged new musical genres using the Minimoog Model D. This valuable sonic tool is now made available to veteran synthesists and the next generation of electronic pioneers.

Each newly built Minimoog Model D is lovingly handcrafted by the employee-owners at the Moog Factory in Asheville, NC. This 3-oscillator, monophonic, analog synthesizer is securely housed in a locally-sourced Appalachian hard-wood enclosure and hand-finished aluminum chassis. The circuit boards retain the exact component placement and through-hole design of a beloved 1970’s era Minimoog Model D.

Though no changes have been made to the original sound engine or audio signal path, the Minimoog Model D now includes a series of popular functional modifications that expand this legendary instrument’s sonic capabilities. These modifications include a premium Fatar keybed with velocity and after pressure available via top panel CV jacks, a dedicated analog LFO with triangle and square waveshapes, CV outputs for pitch, gate, velocity and after pressure, basic MIDI integration, and a mixer overload modification, which when engaged, allows the Minimoog Model D to conjure thicker and far more overdriven sounds than before.

NOTE: Due to the complexity of the build process coupled with the demand for other Moog instruments, we are only able to produce a small number of Minimoog Model D units per month.

• 3 vintage Moog oscillators
• Classic Moog low pass ladder filter with resonance
• Analog circuit boards recreated using original designs and component placement
• Custom reissued transistors critical to sound quality and character
• Military spec precision resistors
• Precision Linear System matched JFETs in oscillators
• Classic thermoset, knurled pitch and mod wheels
• CV Modifications: outputs added for Pitch, Aftertouch, Velocity and Gate (Aftertouch and Velocity have dedicated output level attenuators)
• Modulation Modifications: analog Triangle/Square wave LFO and Filter Envelope added as modulation sources, as well as an External Modulation CV input
• Overload Modification: the output of the Minimoog Model D is automatically scaled and fed back to the External Audio Input for instantly available overdrive
• Improved circuit board connectors for touring reliability
• Fatar TP-9 keybed with velocity and aftertouch
• MIDI in, out and thru

SOUND SOURCES (5)
Oscillators x 3
Noise Generator
External Input

OSCILLATORS
Frequency Range: 0.1 to 20 kHz (In Six Overlapping Ranges)
Oscillator Stability (short term) > 0.25 %
Waveforms:
Triangle
Triangle-Sawtooth (Oscillator–1, Oscillator–2)
Reverse Sawtooth (Oscillator–3)
Sawtooth
Rectangle
Wide Pulse
Narrow Pulse

NOISE GENERATOR
White
Pink

LFO
Rate: 0.05Hz to 200 Hz
Waveform: Triangle (knob down); Square (knob up)

External Input
Input Range: +10 millivolts to +2 volts
Input Impedance: 1MEG Ohms

Filter
Filter Type: Voltage Controlled Low Pass (Moog Ladder Filter)
Cutoff Frequency Range: 10 Hz to 20 kHz
Filter Slope: 24 dB per Octave
Filter Resonance: At Cutoff Frequency

Contour Generators
Attack Time: 1 millisecond to 10 seconds
Decay Time: 4 milliseconds to >35 seconds
Sustain Level: 0 to 100% of Contour peak
Filter Contour Width: 0 to 4 Octaves

Voltage Controlled Amplifiers (VCA)
Loudness Contour Dynamic Range: 80 dB

Audio Input Levels
1/4” External Signal Input
Voltage : +10 millivolts (min); +10 volt (max.)
Nominal Input Impedance: 1000K Ohms

Audio Output Levels
High Level Output
Typical Voltage: 0.5 volts
Maximum Voltage: 4.2 volts (peak-to-peak)
Nominal Output Impedance: 3K Ohms
Low Level Output (30 dB below High level)
Typical Voltage: 15 millivolts
Nominal Output Impedance: 1K Ohms

Headphone Output (stereo)
Maximum Voltage: 0.3 volts
Output Impedance: 8 Ohms

Keyboard
Key Action: Synthesizer (Spring)
Number of Keys: 44
Key Range: F0 to C4
Priority (Low, High, Last): User Selectable
Hardwired Connections:
Oscillator–1 (Pitch)
Oscillator–2 (Pitch)
Filter Contour (Trigger)
Loudness Contour (Trigger)
Switchable Connections:
Oscillator–3 (Pitch)
Filter (Keyboard Tracking 1/3)
Filter (Keyboard Tracking 2/3)
Typical Voltage: 0.5 volts
Maximum Voltage: 4.2 volts (peak-to-peak)
Nominal Output Impedance: 3K Ohms
Glide Rate (octave): 1 millisecond to 10 seconds
Pitch Bend Range: (+/-) 5 semitones (minimum)

Control Voltage Outputs
After Pressure (aftertouch): 1/4” TS
0 to +5 volts with user adjustable trimpot
Pitch: 1/4” TS
-3 volts to +7 volts. C=0 volts
Gate: 1/4” TS
0 to +5 volts
Velocity: 1/4” TS
Selectable 0 to +5 volts or 0 to +10 volts with user adjustable trimpot

Control Voltage Inputs
Loudness: 1/4” TRS
0 to +5 volts; +5 volts = Unity Gain
Ring connector allows pedal control via Moog EP-3 Expression Pedal
Filter (Cutoff Frequency): 1/4” TRS
1 volt per octave of change
Ring connector allows pedal control via Moog EP-3 Expression Pedal Oscillators (Pitch): 1/4” TRS
1 volt per octave of change
Ring connector allows pedal control via Moog EP-3 Expression Pedal Modulation Source: 1/4” TRS
Ring=Noise Send; Tip=Modulation Receive (This jack makes a normalled connection with no cable present.)
Trigger: +5 volt V-Trigger; 1/4” TS
Activates both Contour Generators

MIDI Jacks (5-pin din style)
MIDI In
Note On (Trigger), Note #
MIDI Out
Note On (Trigger); Note #; Pitch CV; Velocity; Aftertouch
MIDI Thru Mirror of the MIDI In signal

Power Supply
Self-switching external supply; 100–240 volts;
50/60 Hz; <12 Watt nominal consumption.
Locking XLR-4 connector.

Dimensions (with panel fully lowered)
Width: 28.625” / 727 mm
Depth: 17.125” / 435 mm
Height: 5.75” / 146 mm
Net Weight: 32 lbs. / 14.5 kg.

TEMPERATURE
Storage Temperature: 5F to 140F (2C to 60C)
Nominal Operating Temperature: 10 – 35 C (50 – 95 F)
Operational Temperature: 10 – 50 C (50 – 122 F)


Specifications Subject To Change Without Notice

Minimoog Model D Sound Samples

Category Name Added Format Description Download Link
Manual Minimoog Model D Manual 2016-07-18 PDF Minimoog_Model_D_Users_Manual_Web.pdf
Manual Minimoog Model D Patch Sheets 2016-07-18 PDF Minimoog_Model_D_Patch_Sheets.pdf
Software Minimoog Model D Firmware v1.8.0 2016-12-19 ZIP

Prior to 1.8, when using your Minimoog Model-D as a midi controller, pitch wheel data was offset from the original note value. 1.8 fixes this issue.

Minimoog_Model_D_Firmware_v1_8_0.zip
Manual Minimoog Model D SYSEX Data Sheet 2017-03-01 PDF Minimoog_Model_D_System_Exclusive_Data_Sheet_Web.pdf
A Brief History Of The Minimoog Part II
See video

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