Congratulations on your new Minitaur Analog Bass Synthesizer, a powerful, compact
Moog synthesizer with a classic one knob per function design. At only 8.5" x 5.25"
and less than 3lbs, the Minitaur puts legendary analog Moog bass into a package
designed to fit seamlessly into all of your performance and production environments.
IMPORTANT SAFETY INSTRUCTIONS
PLEASE READ BEFORE USING THIS PRODUCT
When using the Minitaur, these basic precautions should always be followed.
1. Read all the instructions before using this product.
2. Do not use the Minitaur near water.
The Minitaur will bring you many happy years of creative and sonic enjoyment. We
are sure you are anxious to start playing, so refer to the “Getting Started” guide or look
over the Setup and Connections section to get going. At some point, we encourage
you to spend some time with this manual to discover all that the Minitaur has to offer.
Don’t forget - Experimentation and learning will reward you with a lifetime of
rich synthesizer experiences.
3. This product, in combination with an amplifier and headphones or speakers,
may be capable of producing sound levels that could cause permanent
hearing loss. Do not operate for a long period of time at a high volume level
or at a level that is uncomfortable. If you experience any hearing loss or
ringing in your ears, you should consult an audiologist.
4. Keep the Minitaur away from heat sources such as radiators, heat registers,
and other products that produce heat.
5. The product should be connected to a power supply only of the type
described in the operating instructions.
6. The power supply should be unplugged from the outlet when left unused
for long periods of time.
7. Care should be taken so that liquids are not spilled into the front panel.
8. The Minitaur should be serviced by qualified personnel when:
a. Objects have fallen, or liquid has been spilled onto the product.
b. The product has been exposed to rain.
c. The product does not appear to operate normally or exhibits
a marked change in performance.
d. The product has been dropped or the enclosure damaged.
!
DANGER -- INSTRUCTIONS PERTAINING TO RISK OF FIRE, ELECTRIC
SHOCK, OR INJURY TO PERSONS: Do not open the chassis. There are no
user serviceable parts inside. Refer all servicing to qualified personnel only.
CONTENTS
UNPACKING AND INSPECTION
THE BASICS
Unpacking & Inspection•••••••••••••••••••••
Setup and Connections••••••••••••••••••••••
Overviews and Features•••••••••••••••••••••
Signal Flow•••••••••••••••••••••••••••••••••••
Basic Operation••••••••••••••••••••••••••••••
THE COMPONENTS
Oscillators••••••••••••••••••••••••••••••••••••
Glide••••••••••••••••••••••••••••••••••••••••••
Mix••••••••••••••••••••••••••••••••••••••••••••
Filter••••••••••••••••••••••••••••••••••••••••••
Envelopes••••••••••••••••••••••••••••••••••••
Release•••••••••••••••••••••••••••••••••••••••
Modulation•••••••••••••••••••••••••••••••••••
Volume•••••••••••••••••••••••••••••••••••••••
Input/Output Panel••••••••••••••••••••••••••
MIDI OPERATIONS
MIDI CC Table••••••••••••••••••••••••••••••••
APPENDICES
A. MIDI Implementation Chart•••••••••••••••
B. Service & Support Information•••••••••••
C. Caring for Minitaur•••••••••••••••••••••••
D. Using the CP-251 with Minitaur•••••••••••
E. Specifications••••••••••••••••••••••••••••
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CHECK THE CONTENTS IN THE SHIPPING CARTON
The Minitaur is shipped with the following items:
1. The Minitaur Analog Bass Synthesizer
2. A 12VDC Power Adaptor
3. A “Getting Started” guide
4. Registration Card
5. Earplugs
WHAT YOU WILL NEED
1. A MIDI keyboard or MIDI controller
2. A MIDI cable
3. A USB cable to connect the Minitaur to a host computer (for USB MIDI)
4. A 1/4” instrument cable and amplifier, or a pair of headphones with
an 1/8” plug
SETUP AND CONNECTIONS
NOTE: We encourage you to read the entire manual at some point to learn
more about the instrument and gain a better understanding of what you
can do with the Minitaur.
SET U P
Use care when unpacking your Minitaur, and be sure to save the carton and
all packing material in case you need to ship it for any reason.
CONNECT TO POWER & MIDI
Connect the supplied Power Adaptor to the Minitaur’s 12VDC power jack on the
back of the unit. The Minitaur’s universal power supply will operate with a
power source from 100 to 240 Volts AC, 50/60Hz. Using a 5 Pin MIDI cable,
make the connect
IN on the Minitaur. The Minitaur is set to receive messages on MIDI Channel 1, so
make sure your controller is set to transmit on MIDI Channel 1. If you are using
USB MIDI, connect the U SB cable from the Minitaur to a USB port on your
computer. The Minitaur’s USB drivers are automatically installed, and it will appear
as ‘Moog Minitaur’ (Mac OSX or Win 7) or ‘USB Audio Device’ (Win XP) in the
MIDI Device selection options of your computer’s MIDI software.
ion between MIDI OUT of your MIDI controller and the MIDI
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POWER UP
Apply power to the Minitaur and to your MIDI controller.
CONNECT TO AMPLIFIER
Set the Minitaur’s volume control to minimum before connecting to an amplifier,
mixer, or headphones. Set the amplifier volume to a comfortable listening
level, and then slowly bring up the volume on the Minitaur as you play a few notes.
NOTE: Use caution when adjusting initial volume levels, especially if connected
to a subwoofer.
START PLAYING
Since the Minitaur is a Bass Synthesizer; it operates exclusively in the lower
note range (MIDI notes 0 - 72). This means that the Minitaur will respond
to your playing from ‘C4’ (an octave above middle ‘C’) downward. Play
some notes, tweak some knobs and have some fun!
DOWNLOAD THE MINITAUR EDITOR PROGRAM
Register your Minitaur online at www.moogmusic.com/register to download
the free Minitaur Editor Program. This allows you to load and save patches
and access all of the Minitaur’s under the hood fe atures. Registering your
Minitaur also initiates your warranty, ensures you receive the latest software
updates, and gets you a nifty sticker!
OVERVIEW AND FEATURES
The Minitaur is a monophonic Analog Bass Synthesizer with a 100% analog audio
path. It is based on the legendary Taurus I and Taurus 3 Synthesizers. The Minitaur
features 2 ultra-stable voltage controlled oscillators, a genuine Moog low pass
filter, 2 envelope generators and a modulation circuit. The Minitaur has a classic
one knob per function design in a rugged performance package that is small
enough to take with you anywhere.
FRONT PANEL
NOTE: A warm up period of about 15 minutes is recommended for the Minitaur
to reach concert pitch. The warm up period may be a little longer if the Minitaur
has been stored outside the recommended operating temperature range.
The recommended operating temperature of the Minitaur is between 50 and 100
degrees Farenheit. It is safe to operate the synthesizer outside of this range, but the
Minitaur’s voltage controlled oscillators may not remain in tune. It is also recommended that the Minitaur not be exposed to direct sunlight while operating.
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OSCILLATORS
Two Voltage Controlled Oscillators with selectable Sawtooth (original
Taurus) and Square waveshapes.
MIX
Mixer for adjusting VCO levels independently.
FILTER
Classic Moog 24dB/Octave Low Pass Filter with adjustable Resonance.
ENVELOPES
Twin Minimoog style ADSR Envelope Generators for modulating the
Filter ( VCF) and Amplifier (VCA). The Envelope Decay and Release
se gmen t s are con tro lle d by the D ECAY knob , w hil e t he Rel ease
segment is enabled or disabled via the RELEASE switch.
MOD
MIDI-syncable Low Frequency Oscillator (LFO) with Rate control and
and individual VCO and VCF AMOUNT controls.
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BACK PANEL
SIGNAL FLOW
To understand how the Minitaur generates sound, take a look at the diagram
below. It shows the flow of Audio, Control Voltage and Modulation signals in
the Minitaur. Heavy lines indicate audio signals, which flow from left to right.
Lighter lines indicate Control Voltages (CV’s), which flow from the top and
from the bottom. Dotted lines indicate Modulation routings.
HEADPHONE OUT
1/8” Stereo Headphone Output.
AUDIO OUT
1/4” Unbalanced Output.
AUDIO IN
Exter nal Au dio Input for processing au dio throug h the Mixer and Filte r
section of the Minitaur.
CONTROL INPUTS
Analog control inputs for Pitch, Filter, Volume and Gate. Use control
voltag e or a M oog EP2 exp re ssion ped al to connect and co ntrol the
Minita ur with eve rything f ro m M oog erfooger s to modula r system s.
MIDI
DIN MIDI and USB MIDI offer complete control of the Minitaur’
s sound engine.
PITCH CV INPUT
OSCILLATORSMIXFILTERVOLUME
1
MODULATION
AUDIO INPUTFILTER CV INPUT VOLUME CV INPUT
(AMPLIFIER)
/
/
2
ENVELOPES
GATE
FILTER
ADSR
(LFO)
MIDI IN >
PITCH CV
MIDI/CV CONVERTER
VCA
VOLUME
ADSR
GATE INPUT
AUDIO
OUT
HEADPHONES
The Minitaur’s source signals are created by two Voltage-Controlled Oscillators (VCO) which are mixed with the External Audio Input. The Mixer
Output is routed to the Filter, where the tone is sculpted according to the
Filter parameters and the Filter ADSR Envelope. The signal is then passed
to the Amplifier (VCA) stage, where the Volume ADSR envelope shapes it.
Finally, the signal is routed to the Output section, where
the final level is
set by the Volume control knob.
For most users, MIDI will be the main source of control for the Minitaur. Each
time the Minitaur receives a MIDI “Note On” command, it produces a Pitch CV
and Gate signal in response. The Pitch CV signal sets the Pitch of the Oscillators,
while the Gate signal triggers the Filter and Volume ADSR Envelopes.
The Minitaur can also be operated via CV and Gate trigger connections,
for a more ‘old school’ method of control. Both control methods (MIDI &
CV/Gate) can be used at the same time, although some combinations of
control signals may cause unpredictable results.
NOTE: DIN MIDI IN is not passed to USB MIDI OUT
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BASIC OPERATION
The Minitaur responds to MIDI messages on both DIN and USB MIDI Inputs.
In addition, Minitaur’s knobs and switches transmit MIDI Control Change
(CC) commands via MIDI USB, allowing parameter adjustments to be
captured by any MIDI-recording device. Minitaur has an LED MIDI indicator
that indicates MIDI activity on either the DIN MIDI or USB MIIDI connector.
To further extend the Minitaur’s capabilities, there are additional parameters
that can be accessed via MIDI control. A complete list of all MIDI CC commands
can be found on page 22-23.
THE COMPONENTS
OSCILLATORS
The Oscillators are the main sound source of Minitaur.
They create electronic vibrations that can be tuned
and amplified into sound that we can hear. The
Minitaur’s VCOs can produce a total musical range
of 6 octaves.
OSCILLATOR 1 (VCO 1) serves as a master Oscillator
to which OSCILLATOR 2 (VCO 2) is tuned. Two
independent switches select the waveform for
each Oscillator (Sawtooth or Square). A FINE TUNE
control adjusts the master tuning of both Oscillators.
FINE TUNE:
Adjusts the frequency of both VCOs by approximately +/-1 semitone. The
FINE TUNE control does not transmit MIDI.
MIDI ACCESSIBLE CONTROL
VCO 2 BEAT (CC# 18):
Selects the fine frequency offset for VCO 2. The adjustment range is
+/- 50 cents.
Default = 64.
NOTE SYNC (CC# 81):
When enabled, NOTE SYNC forces both oscillators to start at the same
time, eliminating any phase dif ferences at the start of each “Note On”
command. This ensures energy is consistent at the start of each new note.
Default = OFF.
EXTERNAL CONTROL
The PITCH CV jack on the back panel is a CV input for external control of
the Oscillator pitch. This input controls the frequencies of both Oscillators.
A 1 volt change of this voltage will change the pitch by one octave. The
jack accepts 0 to +5 volts, or an expression pedal like the Moog EP-2.
The frequencies of both Oscillators are affected by a number of sources. The
main source is a ‘Note On’ command transmitted from an external MIDI
controller or DAW. The ‘Note On’ command is translated into a Control
Voltage that allows the Oscillators to be played in an equal-tempered scale.
Other control sources include Minitaur’s GLIDE circuit, VCO 2 FREQ, the
PITCH CV INPUT, the FINE TUNE control, and the output of the MODULATION
(LFO) circuit. The highest pitch produced by Minitaur’s Oscillators is C5
(523.25 Hz) or MIDI note value 72.
PANEL CONTROLS FOR THE OSCILLATOR
OSCILLATOR 1 Switch (CC# 70):
Selects a Sawtooth (LED OFF) or Square wave (LED ON) for VCO 1.
OSCILLATOR 2 Switch (CC# 71):
Selects a Sawtooth (LED OFF) or Square wave (LED ON) for VCO 2.
VCO 2 FREQ (CC# 17):
Sets the frequency offset of VCO 2 from VCO 1. The offset range is +/-1
octave. Center position tunes VCO 2 in unison with VCO 1. NOTE: If playing
between notes 60 and 72, the pitch of VCO 2 is limited to note 72 (C4)
regardless of this control setting.
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PERFORMAN CE TIP S:
• For punchy bass lines, try using NOTE SYNC to keep the
energy at the beginning of each note the same.
• A steady control voltage applied to the PITCH jack will
offset the base pitch of both oscillators. You can use this
feature to transpose the oscillators to any desired interval.
• To recreate the classic Taurus sound, choose the Sawtooth
wave for one or both oscillators.
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GLIDE
GLIDE (AKA ‘portamento’) is a musical effect that makes smooth
changes in pitch between notes. The Minitaur’s GLIDE RATE is
adjustable from instantaneous to extremely long.
PANEL CONTROLS FOR GLIDE
GLIDE Switch (CC# 65):
Enables/Disables the GLIDE function. GLIDE is on when the LED is on.
GLIDE RATE (CC# 5):
Sets the rate of GLIDE that occurs when the note controlling the Minitaur changes.
MIDI ACCESSIBLE CONTOL
GLIDE TYPE (CC# 92):
The Mintaur offers three GLIDE types: Linear Constant Rate (LCR), Linear Constant
Time (LCT), or Exponential (EXP). When LCR is selected, the GLIDE RATE stays
the same regardless of the interval. When LCT is selected, the GLIDE TIME stays
the same regardless of the interval. When EXP is selected, the GLIDE RATE follows
an exponential curve that starts fast and then slows as it approaches the target
note (like the Taurus).
Default = LCR.
LEGATO GLIDE (CC# 83):
Normally, GLIDE occurs with every new note. When LEGATO GLIDE is enabled,
however, GLIDE is only applied when a new note is received while another note
is still being held.
Default = OFF.
MIX (OSCILLATOR LEVELS)
Each Oscillator (VCO 1 & VCO 2) has a dedicated level
knob that allows you to control the relative strength of
each oscillator from 0 to 100%. NOTE: The VCOs begin
to clip the filter at about 2 o’clock creating more
agressive sounds.
PANEL CONTROLS FOR THE MIXER
VCO 1 LVL (CC# 15):
Sets the level of VCO 1.
VCO 2 LVL (CC# 16):
Sets the level of VCO 2.
MIDI ACCESSIBLE CONTROL
EXTERNAL INPUT LEVEL (CC# 27):
Adjusts the External Audio Input level. By default, the level is set for unity
gain, but the level can be adjusted up to 200%
Default = 64 .
FILTER
The FILTER is a classic Moog 24dB/
Octave Low-Pass Filter design with
resonance. It has controls for CUTOFF
frequency which determines the range
of frequencies the filter will affect, as
well as RESONANCE, which determines how much emphasis is applied to the
harmonics near the Cutoff frequency (see figure).
The FILTER provides either fix
dynamic timbre modifications. Dynamic changes are provided by the
Filter Envelope Generator (EG), a Low
Frequency Oscillator (LFO), or by an
externally applied Control Voltage.
PANEL CONTROLS FOR THE FILTER
CUTOFF (CC# 19):
Adjusts the CUTOFF frequency of the Low Pass Filter from 20 Hz to 20 KHz.
As the knob is rotated clockwise, the cutoff frequency is increased, allowing
more harmonics to pass through the filter, resulting in a brighter sound.
Conversely, as the knob is rotated counterclockwise, the sounds get darker.
NOTE: The Minitaur may not produce sound when this control is turned all
the way down.
RESONANCE (RES) (CC# 21):
Sets the amount of signal sent from the FILTER output to be fed back into
it’s input. This creates a peak in the frequency that can be increased all the
ed or
Resonant Peak
Amplitude
Frequency
Frequency response of a Low Pass Filter
with Resonance
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way to self-oscillation.
EG AMOUNT (CC# 22):
Determ ine s h ow m uch the Filter Envel ope Generator (EG) adds to or
subtracts from the Filter Cutoff control setting. When the EG AMOUNT knob
is set to positive (+), turn the FILTER CUTOFF knob left to hear the effect.
When the EG AMOUNT knob is set to negative (-), turn the FILTER CUTOFF
knob right to hear the effect. Note that if the Cutoff frequency is set very high,
a positive EG Amount may have little or no noticeable effect, regardless of the
setting. Similarly, if the Cutoff frequency is set low, a negative EG Amount may
have little or no noticeable effect.
MIDI ACCESSIBLE CONTROL
FILTER KB TRACKING (CC# 20):
Determines how the Filter Cutoff changes in response to MIDI Note On
values . Filter tracking is adjustable from 0 to 200%.
Default = 32 (about 50%).
FILTER VELOCITY SENSITIVITY (CC# 89):
Sets the amount OF MIDI Note velocity to the Filter.
Default = 64.
EXTERNAL CONTROL
The FILTER CV jack on the back panel is an input for external control of the
Filter Cutoff parameter. A voltage applied to this jack is added to the setting
of the Filter Cutoff control. A one-volt change in the Control Voltage will
change the cutoff freque ncy of th e filter by about one oct ave . The jack
accepts 0 to +5 volts, or an expression pedal like the Moog EP-2.
ENVELOPES
ENVELOPE GENERATORS (EGs) add motion to
a sound after a note is played. The Minitaur has
two separate Minimoog style Envelope Generators that affect the brightness and loudness of
the Minitaur's sound by modulating the Filter
Cutoff (VCF) and Volume (VCA).
The EGs are started by a Gate or MIDI
Note me ssage. Once started, thei r
shape in time is set by the ATTACK,
DECAY/RELEASE, and SUSTAIN controls,
as well as the Release switch and length
of the Note played.
PANEL CONTROLS FOR THE ENVELOPES
FILTER ATTACK (CC# 23):
Set s the time it takes for the Attack portio n of the Filter EG to rise from
zero to maximum. The Attack time ranges from 1 msec to 30 seconds.
FILTER DECAY/RELEASE (CC# 24):
Sets the time for the Decay and Release portion of the Filter EG. When a
note is held, and the Attack time end is reached, the Decay portion of the EG
starts. During the Decay portion, the EG moves to the Sustain level. When a
note is released, the EG moves back to zero at the rate set by this control.
This time ranges from 1 msec to 30 seconds. The Release segment of the
Envelope is determined by the state of the RELEASE switch (ON/OFF).
Amplitude
Note On
Sustain
Attack
Decay
Time
Release
Note Off
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FILTER SUSTAIN (CC# 25):
Sets the Filter EG level after the Decay and before the Release portion.
A note must be held longer than both the Attack and Decay time to reach
the Sustain level. The level is adjustable from 0 to 100%.
AMPLIFIER ATTACK (CC# 28):
Sets the time it takes for the Attack portion of the Amplifier EG to rise from
zero to maximum. The Attack time ranges from 1 msec to 30 seconds.
AMPLIFIER DECAY/RELEASE (CC# 29):
Sets the time for the Decay and Release portion of the Amplifier EG. When
a note is held, and Attack time end is reached, the Decay portion of the EG
starts. During the decay portion, the EG moves to the Sustain level. When a
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note is released, the EG moves back to zero at the rate set by this control.
The time ranges from 1 msec to 30 seconds. The Release segment of the
Envelope is determined by the state of the RELEASE switch (ON/OFF).
AMPLIFIER SUSTAIN (CC# 30):
Sets the Amplifier EG level after the Decay and before the Release portion.
A note must be held longer than both the Attack and Decay time to reach
the Sustain level. The level is adjustable from 0 to 100%.
MODULATION (MOD)
MODULATION is an important part in the creation of musically-expressive sounds. The Minitaur’s
MODULATION section provides an LFO with adjustable
RATE and AMOUNT controls for the oscillators
(VCO) and the Filter (VCF). The Low Frequency
Oscillator (LFO) is a signal used to move the pitch of VCOs and the Filter Cutoff
up and down automatically. A LFO can be used to simulate vibrato, create
wobbling filter sweeps, or make interesting synthesizer sounds.
MIDI ACCESSIBLE CONTROL
OUTPUT (VCA) VELOCITY SENSITIVITY (CC# 90):
Sets the amount of MIDI Note velocity to the Amplifier.
Default = 64 (50%).
EXTERNAL CV CONTROL
The GATE jack on the back panel is a trigger input that accepts a +5V Gate
signal. Applying a Gate signal causes both Envelopes (Amplifier and Filter)
to trigger simultaneously. NOTE: When a Gate signal is applied, it overrides
triggering via MIDI. You will still be able to control the Oscillator pitch and
Mo dulatio n am ounts fro m a MIDI controller, but the e nvelo pes will not
retrigger until the Gate trigger is removed.
RELEASE
The RELEASE switch enables or disables the Release segment of
both Envelope Generators. When enabled, the Envelope Release
time is the same as the Envelope Decay time, and the DECAY
control adjusts the time for both segments. When disabled, the
Release segment does not occur and the Envelope stops abruptly in response
to a “Note Off” message (or when the Gate CV goes to zero).
PANEL CONTROL FOR RE LEASE
RELEASE Switch (CC# 72):
Enables/Disables the Release function for both Envelope Generators.
RELEASE is enabled when the switch LED is ON.
PANEL CONTROLS FOR MODULATION
LFO RATE (CC# 3):
Sets the frequency of LFO Modulation. The range is from 0.01Hz to 100Hz.
VCO LFO AMOUNT (CC# 13):
Sets the maximum amount the LFO moves the VCOs pitch up and down,
up to +/- 1 octave. Modulation affects both Oscillators. Amounts above MIDI
Note 72 are clipped. If using a MIDI controller, th
used to fade the LFO Pitch Modulation in and out.
VCF LFO AMOUNT (CC# 12):
Sets the maximum amount the LFO moves the Filter Cutoff up and down,
up to +/- 5 octaves. Amounts above 20KHz or below 20 Hz are clipped. If
using a MIDI controller, the Mod Wheel (CC# 1) is used to fade the LFO
Filter Modulation in and out.
e Mod Wheel (CC# 1) is
MIDI ACCESSIBLE CONTROL
LFO MIDI SYNC ON/OFF (CC# 87):
En ables or D i sables the abili ty o f th e M initaur ’s L FO to syn c to MIDI
Clock messages.
Default = ON .
LFO SYNC CLOCK DIVISION (CC# 86):
Selects the LFO Clock division when the LFO Sync Source is set to MIDI
Clock. LFO Division Settings are listed on page 24. The LFO RATE control
can also act as a Clock Divider.
Default = 1/4.
LFO KE Y TRIGGER (CC# 82):
Re-triggers the start of the LFO cycle when a NOTE ON message or KB GATE
Control Voltage is received.
Default = OFF.
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NOTE: When the Minitaur powers up, the settings on the VCO LFO AMOUNT
and VCF LFO AMOUNT c
behavior continues until the Minitaur receives a MIDI Mod Wheel command,
from which point the Mod Wheel takes master control of the LFO modulation
amount set by the Amount controls.
ontrols have a direct effect on the VCO and VCF. This
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VOLUME (VCA)
The Minitaur features a monophonic Audio Output and a Headphone
Output; both outputs appear on the back panel. Both ouputs are
adjusted simultaneously by the VOLUME control.
PANEL CONTROL FOR VOLUME
VOLUME:
Adjusts the output of the Voltage Controlled Amplifier (VCA) and Headphone levels. Rotating the control fully clockwise produces the maximum
output. Rotating the control fully counterclock wise silences the Minitaur.
The VOLUME control does not transmit or receive MIDI. This is a post VCA
control.
MIDI ACCESSIBLE CONTROL
OUTPUT LEVEL (CC# 7):
Adjusts the Audio Output and Headphone volume levels.
VOLUME VELOCITY SENSITIVITY (CC# 90):
Velocity scales the amplitude of the Amplifier envelope Similar to traditional touch sensitivity.
Default = 64 (50%).
EXTERNAL CONTROL
The VOL CV jack on the back panel is an input for external control of the
Output level. A voltage of 0 Volts silences the Minitaur and a voltage of
5 Volts corresponds to the output level set by the VOLUME control knob.
The jack accepts a positive Control Voltage from 0 to 5 Volts, or an expression pedal like the Moog EP-2.
INPUT/OUTPUT PANEL
The back panel provides all of the input and output connections. In addition
to AUDIO INPUT/OUTPUT jacks, there are CV and GATE inputs, connections for
MIDI, and the Power Connector. The Minitaur does not have a power switch.
BACK PANEL
12VDC (POWER INPUT)
A barrel connector that accepts a +12VDC, tip positive power input from
the power adaptor, which accepts 100-240 VAC, 50-60Hz.
CONTROLLER INPUTS
The PITCH, FILTER and VOLUME CV jacks supply power and will accept an
expression pedal such as the Moog EP-2, or a Control Voltage from 0 to
+5 Volts . The GATE input accepts a +5 Volt trigger signal.
MIDI (DIN AND USB)
Connections for DIN MIDI input and USB MIDI IN-OUT.
AUDIO IN
The AUDIO IN jack allows an exter
Minitaur’s VCOs, and then routed to the Filter for processing. Although
the Minit aur has n o provisions for adjusting the level of this input on
the front panel, the level is adjustable up to 200% via MIDI CC# 27.
AUDIO OUT
The AUDIO OUT jack provides an unbalanced line-level signal for connecting to an amplifier or mixer.
nal audio source to be mixed with the
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HEADPHONE OUTPUT
1/8” minijack for stereo Headphone Output. 32 Ω or higher recommended
impedance.
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PERFORMAN CE TIP S:
• You can use the Minitaur to process any audio signal simply
by plugging into the AUDIO IN jack. To hear the external
audio signal, you will need a MIDI NOTE ON message. To
hear the external audio signal without issuing a MIDI NOTE
ON message, apply +5V to the GATE jack. This will leave
the Gate open, and the Amplifier Envelope will remain at
its Sustain level until the Gate closes.
• The Minitaur’s audio input is not limited to processing
monophonic signals - it can work well for processing
polyphonic signals, too. For example, connect the Audio
Output of a MIDI-equipped polyphonic keyboard to the
Minitaur’s AUDIO IN jack, and turn the MIX level of VCO 1
and VCO 2 all the way down on the Minitaur. Now you
have a polyphonic source affected by the Minitaur’s
Filter and Envelope circuits - a great way to warm up a
sterile digital signal!
MIDI OPERATIONS
MIDI CHANNEL
The Minitaur sen ds and recei ves on a sing le MIDI channel. By default,
the Minitaur is set to MIDI Chann el 1, but it can be set to any MIDI
Channel (1-16). To cha nge the MIDI Chan ne l on the Minit aur:
1. Connect your MIDI controller or DAW to t he Minitaur.
2. Ad ju st the control ler (or DAW) to transmit th e desired
MIDI Channel .
3. On the Min ita ur; press and ho ld all fo ur panel sw
(VCO 1 Wave, VCO 2 Wave, GLIDE and R ELEASE). The panel
switc h LE D s w ill bl i n k, i n d i cating t h a t th e M i ni t a u r is
waiting to set the new M IDI channel. Th e next MIDI me ss age
that the Minit aur re ceives (a Note On, CC, Pitch Ben d etc. ..)
will set the new channe l.
4. Once in learn m ode, pre ss a key on the M IDI co nt roller (or
send MIDI data from the DAW). The Minitaur will reset its MIDI
channel to match the cha nn el being sent.
itche s
19
Ch ange s
are remembered on p owe r down.
MIDI NOTE RANGE
The Minitaur responds to MIDI Note values 0-72; note values of 73 and
higher are ignored.
PITCH B EN D RESPONSE
By defa u l t, th e PITCH BEND R ESPON S E of the Mini t aur is s e t to + /- 3
semi t ones. The P i tch B e nd up a n d dow n va l u es can b e adj u sted
independently by issuing n ew values for MI DI CC# 107 (Pitch Bend U P)
and CC# 108 (Pitch Ben d DOWN). See the MIDI CC Messages Table for
the ran ge of va lues.
MODULATION WHE EL (MOD WHEEL) RE SPONSE
MIDI Mod Wheel messages control the maximum amount of modulation
effect set by the VCO LMO AMT and VCF LFO AMT controls (MIDI CC# 1).
to th e Mi nita ur ’s M IDI ch anne l are w ritten to m emory and
20
MIDI CO NTROL CHANG E (CC) MESSAGES
The table s on the following pages list all MIDI CC messages for the
Minitaur. Messages shown with an (M) indicate parameters which are
only accessible via MIDI. Bolded values indicate the appropriate range
for 7-bit messages (MSB).
NOTES:
•
The Minitaur sends 7-bit MIDI CC messages for all parameters.
It can receive either 7-bit or 14-bit values for the parameters
controlled by knobs, but only 7-bit values for parameters con trolled by switches.
• For all parameters, the MSB indicates the ‘regular’ CC number,
and the LSB indicates the high-resolution ‘fine’ control value.
If you are only sending 7-bit MIDI CC messages to the Minitaur,
use th e M SB number by itself. Note that whe n MSB-only
messages are issued, the value range is always 0-127.
A NOTE ABOUT CONTROL PARAMETERS
LOCAL CONTROL OFF (CC# 122):
This parameter allows the front panel controls to send MIDI, but disconnects
the Minitaur sound engine from direct control by the panel. Per the MIDI
spec, only values of ‘0’ and ‘127’ work (0 = OFF, 127 = ON). If you are connected to a DAW using USB MIDI patched through, you may need this to
avoid feedback artifacts. After changing the state of LOCAL CONTROL
on/off, the Minitaur remembers the last setting after power down.
ALL SOUNDS OFF/ALL NOTES OFF (CC# 120 or 123):
Both of these parameters are MIDI ‘panic’ functions that are used to silence
hung MIDI notes. Controllers or DAWs may send one or the other command
which is why the Minitaur will respond to either.
SECTION
MOD(MODULATION)OSCILLATORSMIXERFILTER
CONTROL/
PARAMETER
LFO RATEAdjusts the LFO frequency
LFO VCO AMOUNT Adjusts the modulation amount
LFO VCF AMOUNT Adjusts the Modulation amount
LFO MIDI SYNC
(M)
LFO SYNC CLOCK
DIV (M)
LFO KEY TRIGGER
(M)
VCO 1 WAVESelects the waveform of VCO 1
VCO 2 WAVE
VCO 2 FREQ
VCO 2 BEAT
(M)
NOTE SYNC
(M)
GLIDE RATE
GLIDE SWITCH
GLIDE TYPE
(M)
LEGATO GLIDE
(M)
VCO 1
VCO 2Adjusts the level of VC0 2
EXTERNAL IN
LEVEL (M)
CUTOFFAdjusts the Filter Cutoff frequency
RESONANCEAdjusts the Filter Resonance
EG AMOUNTAdjusts the EG amount affecting
FILTER KB TRACK
(M)
FILTER VELOCITY
SENSITIVITY (M)
to the VCOs
to the VCF
Enables or disables ability of LFO
to sync with MIDI CLOCK messages
Sets the LFO synchronization
clock divider
Re-triggers the LFO to the start of
the cycle (Default is OFF)
Selects the waveform of VCO 2
Adjusts the frequency of VCO 2
Adjusts the beat frequency of
VCO 2 (Default is 64)
Enables
(Default is off)
Adjusts the Glide (portamento)
rate time
Sets the state of the GLIDE switch
(Glide is enabled when LED is lit)
Selects the type of Glide; Linear
Constant Rate, Linear Constant Time,
or Exponential.
Sets the state of the Legato Glide
parameter when GLIDE is enabled
(Default is OFF)
Adjusts the level of VCO 1
Adjusts the level of the External Audio
Input (Default is 64 = 50% level)
parameter
the cutoff
Sets the amount of keyboard tracking
for the filter (Default is 32 - about 50%)
Sets the amount of filter velocity
sensitivity (Default is 64 - 50%)
FUNCTIONCCVALUE/RANGE
/disables Note Sync
3(MSB)
35(LSB)
13(MSB)
45(LSB)
12(MSB)
44(LSB)
87
86
82
70
71
17(MSB)
49(LSB)
18(MSB)
50(LSB)
81
5(MSB)
65
92
83
15(MSB)
47(LSB)
16(MSB)
48(LSB)
27(MSB)
59(LSB)
19(MSB)
51(LSB)
21(MSB)
53(LSB)
22(MSB)
50(LSB)
20(MSB)
54(LSB)
89
0-127
0-127
0-127
0-63(INT)
64-127(MIDI CLOCK)
See table on
page 24
0-63(OFF)
64-127(ON)
0-63(SAW)
64-127(SQR)
0-63(SAW)
64-127(SQR)
0-127
(64 is center)
0-127
0-63(OFF)
64-127(ON)
0-127
0-63(OFF)
64-127(ON)
0-42(LCR)
43-84(LCT)
85-127(EXP)
0-63(Always Glide)
64-127(Glide on
legato notes only)
0-127
0-127
0-127
0-127
0-127
0-127
0-127
0-127
21
22
SECTION
ENVELOPES
VOLUME
KEYBD
RESPONSE
MOD
WHEEL
RESPONSE
PITCH WHEEL
CONTROL/
PARAMETER
VCF ATTACKAdjusts the filter envelope attack
VCF DECAY/
RELEASE
VCF SUSTAINAdjusts the filter envelope
VCA ATTACK
VCA DECAY/
RELEASE
VCA SUSTAIN
RELEASE SWITCH Sets the state of the Release
TRIGGER MODE
(M)
VCA (OUTPUT)
LEVEL (M)
VOLUME VELOCITY
SENSITIVITY(M)
KEY PRIORITY(M)
MOD WHEEL(M)
time.
Adjusts the filter envelope decay
and release time
sustain level
Adjusts the volume envelope
attack time
Adjusts the volume envelope
decay and release time
Adjusts the volume envelope sustain
level
parameter (enabled when LED is lit)
Sets the state of the envelope
trigger (Default is Legato ON)
Adjusts the audio ouput and
headphone volume.
Sets the amount of volume velocity
sensitivity (Default is 64 = 50%)
Sets the Note Priority
(Default is last)
Modulation performance control
FUNCTIONCCVALUE/RANGE
RESPONSE
Pi
BEND UP AMOUNT
(M)
BEND DOWN
AMOUNT(M)
LOCAL CONTROL
OFF(M)
tch Wheel ‘UP’ performance
control (Default = +3 semitones)
Pitch Wheel ‘UP’ performance
control (Default = -3 semitones)
Sets the state of the Local Control
OFF parameter (Default is 127)
Default NO 4 Note Priority
Messages NO NO MIDI CC# 91
Altered NO NO
NOTE NUMBER NO 0-72
VELOCITY
Note On NO YES
Note Off NO NO
AFTER TOUCH NO NO
PITCH BEND NO YES Programmable from
0 ± 24 Semitones
CONTROL CHANGE YES YES 1,3,5,7,12,13,15-25, 27-30,33,35,37,39,
44,45,47-57,59-62,
65,70-73,81-83,86,
87,89-92,107,108,
120,122,123
PROGRAM CHANGE NO NO
SYSTEM EXCLUSIVE YES YES
SYSTEM COMMANDS
Song Position NO NO
Song Selection NO NO
Tune NO NO
SYSTEM REAL TIME
Clock NO YES Receives Timing Clock
Commands NO YES
AUX MESSAGES
APPENDIX B - SERVICE AND SUPPORT
INFORMATION
MOOG LIMITED WARRANTY
Moog Music warrants its produc t s to be free of defects in materials and
workmanship for a period of one year from the date of purchase. During
the warranty period, any defective products will be repaired or replaced,
at Moog Music ’s option, on a return-to-factory basis. This warranty covers
defects that Moog Music determines are no fault of the user. In countries
outside of the USA, contact a Moog authorized distributor listed on
our web site (www.moogmusic.com) for service.
RETURNING YOUR PROD UCT TO MOOG MUSIC
You must obtain prior approval in the form of an RMA (Return Material
Authorization) number from Moog Music before returning any product.
To re que s t a n RMA n u m ber ca ll us at (828) 25 1 -00 9 0 o r e m a i l
techsupport@moogmusic.com. The Minitaur must be returned in its
original packing. The warranty will not be honored if the product is not
properly packed. Send the product to Moog Music Inc. with transportation
and insurance charges paid.
MOOG MUSIC
160 Broadway St.
Asheville NC, 28801
WHAT WE WILL DO
Once received, we will examine the product for any obvious signs of user
abuse or damage as a result of transport. If the product has been abused,
damaged in transit, or is out of warran ty, we will contact you with an
estimate of the repair cost.
HOW TO INITIATE YOUR WARRANTY
Please initiate your warranty online at www.moogmusic.com/register.
If you do not have web access please call (828) 251-0090 to register your
instrument. Registering your instrument initiates your warranty, ensures
you receive the latest software updates, and gets you a nifty sticker!
Local Off NO YES
All Notes Off NO YES
Active Sense NO NO
System Reset NO NO
25
26
APPENDIX C - CARING FOR THE MINITAUR
Clean the Minitaur with a soft, slightly moist cloth only – do not use solvents
or abrasive detergents. Heed the safety warnings at the beginning of the
manual. Don’t drop the unit. If you are shipping your Minitaur to the factory
for servicing, we recommend using the original shipping carton, or an ATA
approved Road Case.
!
AN IMP ORTANT NOTE ABOUT SAFETY : Do not open the chassis. There are
no user serviceable parts in the Minitaur. Maintenance of the Minitaur
synthesizer should b e referr ed t o qualified serv i ce personnel only.
APPENDIX D - USING THE CP-251 WITH THE
MINITAUR
Th e Moo g CP-251 Contro l P roce s sor makes an ideal companion t o
the Minitaur. It provides an LFO with two waveforms (Triangle/Square),
a Sa mple & Hold circuit with two outputs (St epped/Smoot h ) , a Lag
Processor, Noise source, and a Mixer and two Attenuators. The CP-251
greatly expands the sonic palate of the Minitaur, allowing for the creation
of new soni c texture s.
COMPL EX TIMBRA L MODULATION
1. Using a 1 ⁄4” patch cable, connect the CP-251 LFO Triangle
output to an Attenuator Input
2. With another 1⁄4” patch cable, connect the At tenua tor
Output to the Minitaur’s FILTER CV jack.
3. On the Minitaur, set the LFO RATE cont rol and the VCF
LFO AMOUNT controls to the 12 o’clock position.
On the CP-251, set the LFO Rate control to 1 o’clock and adjust the
Attenuator to +3 on the dial . This w ill result in a complex modulation
effect as the Filter Cutoff Frequency is modulated by both LFOs. Setting
the LFO rates considerably higher will r esu lt in e ven wilder timbral
textures, while very low settings will c re ate slow ly evolving complex
filter sweeps. For a “random stepping” filter effect, use the S&H Out 1
in place of the LFO Triangle out.
Using the multiple jack on the CP-251, you can simultaneously route the
LFO or S&H modulation signal to the Minitaur’s Pitch, Filter and Volume
inputs all at once, or split the modulation signal using the multiple jack and
route it into both Attenuators to have two controllable modulation sources.
Here are some possible configurations for using the CP-251 with the
Minitaur. Gra b so me patch cords and try these suggestions!
NOISE AS AN AUDIO SOURCE
You can use the CP -251 Noise source a s an audio source to add interesting artif acts t o an e xis ting sound (for example, crea tin g th e
illusion of ‘brea th’ ) or proce ss the noise just by itself to create snare,
wind, and surf sounds. Simply route the CP-251 Noise output through
an attenuator and then into the Minitaur ’s A udio In jack. Noise never
sounded so good!
NOISE AS A CONTROL VOLTAGE
You can use the CP-251 Noise source as a Control Voltage by simply
routing it to any of the Minitaur’s CV inputs (PITCH, FILTER and VOLUME),
but a better method is to route the Noise through an Attenuator first :
1. Using a 1 ⁄4” patch cable, connect the CP-2 51 Noise output
to an Attenuator input.
2. W ith another 1 ⁄4” patch cable , connect the Attenua tor
output to one of the Minitaur ’s CV jacks.
This will allow you to raise or lower the Noise level as desired, adding
just a touch of noise to add realism to a sound, or a blast of noise for
extreme sonic effect.
27
WE’VE JUST SCRATCHED THE SURFACE
Other CV-equipped gear like our Moogerfooger analog effects can be used
to expand the sonic potential of the Minitaur. We encourage you to experiment;
whether you are trying to create an original sound or duplicate an existing
sound, experimentation is part of the fun!
28
APPENDIX E - SPECIFICATIONS
APPENDIX E - SPECIFICATIONS
TYPE: Progr ammable M onophonic
Analog Bass Synthesiz e r
SYNTH ENGINE:
Oscillator Section:
•OSCILLATOR 1:
Wave: Sa w t ooth/Square
Lev e l: 0 t o 100%
•OSCILLATOR 2:
Frequenc y: ± 12 Semit ones
Wave: Sa w t ooth/Square
Lev e l: 0 t o 100%
•GLIDE RATE: 0 to 100%
Filter S ection:
•CUTOFF: 20Hz t o 2 0KHz
•RESONANCE: 0 to Self-Oscillation
•FILTER ENV. AMOUNT: -100% TO +100%
Env elope Generator Section (x2):
•ATTACK TIME: 1 msec t o 30 sec
•DECAY TIME: 1 msec t o 30 sec
•SUSTAIN LEVEL: 0 t o 100%
•RELEASE TIME: 1 msec to 30 sec
•RELEASE: On/ Off
Modulation Section:
•LFO RATE WITH RATE LED: 0.01 to 100Hz
•WAVE: Triangle
•AMOUNT TO VCO: 0 to 100%
•AMOUNT TO VCF: 0 to 100%
REAR PANEL:
•12VDC POWER INLET:
Accepts +12VDC, tip positiv e
•MONOPHONIC AUDIO IN (1/4” T S-UNBALAN C E D )
Accepts +4dBu line le vel signal
•MONOPHONIC AUDIO OUT (1/4“ T S-UN B A L A NCED )
•HEADPHONE JACK (1/8” TRS STEREO MINIJA CK)
•CONTROL V O LTAGE INPUT S :
Pitch CV: 0 t o +5V
Filter CV: 0 t o +5V
Volume CV: 0 to +5V
Gate: +5V trigger
To toggle betweenMode1 and Mode2press and hold theRELEASEswitchfor 1 second. TheRELEASEswitchLEDwill blink onetimetoindicateMode 1,or twotimes toindicate Mode 2.(Theselected modeis remembered onpower-down).
MODE1- Control ofDECAYandRELEASEfunctionality is linked.
MODE2 -Turning theDECAY/RELEASEknob by itself adjustsDECAYtime.
To adjust theRELEASEtime,press and hturning theDECAY/RELEASEknob.
NOTE:The Release On/Offfunction is now toggled when the panel buttonis released.
old theRELEASEswitch while
CV MAPPING
In REV 2,thePITCH,VOLUME,andGATEControllerInputs on Minitaur can bere-mapped to control other parameters.This allows youto use control voltageinnew and creativeways.
ThePITCHandVOLUMEinputs providecontinuous control,like the panel knobs,whiletheGATEinput only provides on/off type control.Therefore, thePITCHandVOLUMEinputs canbere-mapped toany parameter, while theGATEinputcanonly beused tocontrol two-stateparameters (onoroff).
CVMapping is configured intheMinitaurEditor/Librarian software on theHardware Settings panel (Ctrl/command+3 todisplay).Thereis aCV MappingmenuforPITCH,VOLUME,andGATE.Simply click any item onthesemenus toselect anewdestination.
NOTE:CVMappingsettings are global;they do not change per preset and aresaved on powerdown. To reset all ControllerInputs to default settings, simplyclick the Default Mappings button on the Minitaur Editor Hardware Settingspanel.
MINITAUR REV 2 ADDENDUM
CV TO MIDI CONVERSION
Minitaur can now convert multiple channels of Control Voltage to MIDI! This allows you to take CV sources such as modular synths, a CP-251 Control Proces-sor or a Moog Etherwave Pro Theremin, and translate the voltage into MIDI control for your plug-in effects, soft synths, or other MIDI gear.
All Minitaur sound parameters have an assigned MIDI CC number. When a parameter value changes, Minitaur sends out MIDI CC data over its USB MIDI connection. When one of the Controller Inputs is mapped to a non-default parameter, Minitaur will send out CC messages for that parameter in response to control voltage changes at the input.
In order to get optimal response from the CV to MIDI conversion, you will need to adjust the scale and range of the control voltage to stay within the range of 0 to +5 Volts, before applying voltage to the Controller Input.
WARNING:Do not apply a negative control voltage, or a CV greater
than +5Volts.
!
MINITAUR’S GLOBAL PARAMETERS AND THEIR DEFAULT VALUES:
MIDI CLOCK LED ENABLE: OFF, ON / DEFAULT = OFF / 14 BIT
MIDI OUTPUT: OFF, ON / DEFAULT = OFF / NOTE: If on, panel knobs send 14 bit
LOAD PRESET MOD WHEEL VALUE: OFF, ON / DEFAULT = OFF
MINITAUR REV 2 ADDENDUM
LFO SYNC PHASE RESET
LFO Sync PhaseReset intheMinitaur REV 2Editoris labeled LFO Phase Reset.This parameteraffects the LFO behaviorwhileit is synced toMIDI. If LFO SyncPhaseReset is ON,thentheLFO waveform is reset tothestart of its cycle on thebeginning of every “beat” according tothecurrent MIDI clock settings. SincetheLFO rateis set togive onecycleper“beat”,this PhaseReset is usuallyinaudible,as it lines up withwherethestart of thecycleshould already be. Thisreset corrects forclock inaccuracies that could otherwise cause the LFO to driftrelative to thebeat.
NOTE:Ifyou sweepthe LFORate knob while in MIDI sync, this can cause abruptandnoticeable jumps in the LFO if it is reset mid-cycle. IfLFO SyncPhase Resetis OFF, then you can sweep the LFO Rate while in MIDI Sync, howeveryou mayfindthat the LFOcycle drifts relative to the beat.
KNOB MODE
This parametercontrols the behaviorof Minitaur’s panel knobs when theirphysical position does not matchtheassociated parameter value, which oftenhappens when changing presets.InSNAPMODE,as soonas the knob is moved,theparametervaluejumps tothecurrent knob position.InPASS-THRU MODE,turning the knob will haveno effect onthesound until the knob positionmatches (“passes through”) theparametervalue,afterwhichtheknob behavesas normal.InRELATIVEMODE,turning theknob adjusts thproportionally,sothat thereare nosuddenjumps invalue.
eparameter value
LOAD PRESET MOD WHEEL VALUE
If On, loads asaved Mod Wheel valueonpreset load (the Mod Wheel value thatwas activewhenthepreset was saved).If Off,thenthe “live” /current ModWheel valuepersists when changing presets.
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