Dubreq GEN R-8 User Manual
USER
MANUAL
IMPORTANT
PLEASE READ THIS INSTRUCTION MANUAL
BEFORE USE AND KEEP FOR FUTURE REFERENCE
CONTENTS
WARNING
If operating the unit with
headphones, earbuds or
similar: To prevent possible
hearing damage, do not
listen at high volume levels
for long periods.
WARNING
This product contains
ashing lights.
WARNING
CHOKING HAZARD
Product contains small parts
– not suitable for children
under 3 years old.
WARNING
RISK OF ELECTRIC SHOCK
If appliance or power supply
becomes damaged, do
not use.
The appliance must only
be used with the power
supply provided – Fidus
EDA1812-C14
The appliance should
be placed on a at and
stable surface.
• Keep these instructions for
reference as they contain
important safety and
operating information.
• Do not allow liquids to spill
into the appliance or subject
the appliance to excessive
smoke, dust, mechanical
vibration or shock.
• The appliance and power
supply are only intended for
indoor use.
• Do not tamper with any
internal components. There
are no serviceable parts
inside the unit and opening
the unit will invalidate the
warranty.
• If the appliance malfunctions,
do not attempt to repair
yourself. Contact your retailer
or our customer service
department.
• Clean the appliance with a dry
soft cloth. Do not clean with
liquids or solvents.
• This appliance meets all
appropriate compliance
directives regarding safety
and performance when used
correctly with the appropriate
approved accessories.
IMPORTANT
The plug severed from the mains lead must be destroyed, as
plugs with bared exible cords are hazardous if engaged in a
live socket outlet.
The wires in the mains lead are coloured in accordance with
the following code:
Green and Yellow – Earth
Blue – Neutral
Brown – Live
As the colour of the wiring in the mains lead may not
correspond with the coloured markings identifying the
terminals in your plug, proceed as follows:
• The green and yellow wire must be connected to the terminal
in the plug marked as ‘E’ or by the earth symbol.
• The blue wire must be connected to the terminal in the plug
marked as ‘N’.
• The brown wire must be connected to the terminal in the
plug marked as ‘L’.
OVERVIEW
KEYBOARD
CONTROL
OSCILLATORS
LFO
FILTER
ENVELOPE
DELAY
MIXER
SEQUENCER
DRIVE
REAR CONNECTORS
DIP SWITCHES
SPECIFICATIONS
BATTERY INFORMATION
ACKNOWLEDGEMENTS
01
02
03
04
05
06
07
08
09
10
11
12
12
12
13
14
Power Supply
AC Input Rating: 90 – 264VAC
AC Input Frequency: 47 - 63Hz
DC Output Voltage: 12VDC
DC Output Power: 19.2W
Stylophone Unit
DC Input: 12VDC (Centre pin positive)
Operating Temperature: 0-60°C
Relative Humidity: 20-80%
Battery operation: 4 x AA non-rechargeable
USER NOTES
MADE IN GREAT BRITAIN
15
OVERVIEW KEYBOARD
The Stylophone GEN R-8 is
QUICK
a dual VCO British made
boutique synthesizer with a
fully analog signal path.
Both VCOs have “divide-down analog” sub-oscillators (one
octave down) and subsub oscillators (two octaves down)
that all can be switched on at the same time for a total of six
oscillators sounding at once.
Self-oscillating proprietary British design 12 dB state
variable lter with Low Pass, High Pass, Band Pass and Wide
Notch modes.
LFO with eight waveforms including Sample & Hold, and
dual CV outputs for maximum patching exibility.
ADSR envelope with exponential response, augmented with a
short hold stage at the Attack/Decay peak for a punchier sound.
Analog style Delay modulatable with a Time CV input.
Mixer section with a unity AUX input which allows external
sound sources to be processed through the GEN R-8s Filter/
Delay/Drive audio chain.
Classic British silicon diode Drive circuit with an added
JFET boost stage, custom designed for synths as it retains
the low end.
Step sequencer with 8 banks and 16 steps per sequence that
can play the GEN R-8 synthesizer engine or external
synthesizers through the CV/Gate or MIDI outputs.
DAW integration and MIDI controller keyboard exibility with
MIDI Local on/o.
CV/Gate controller keyboard feature where the CV/Gate
outputs on the sequencer doubles as keyboard CV/Gate
outputs when the sequencer is not playing.
3-octave touch keyboard with two additional momentary
performance keys for Glide and Modulation.
Line Out is transformer isolated with an iron core transformer
imparting transformer saturation on the low end when the
volume is cranked up.
01 02
START
The Stylophone GEN R-8’s
analog oscillators need to
warm up for a few minutes
after you’ve switched it on.
When there’s no detectable
drift in the oscillators,
press and hold the RING
MOD and OSC SYNC keys
simultaneously for a few
seconds. The GEN R-8
will enter the oscillator
calibration mode that tunes
the oscillators so that they
track correctly over the
keyboard range.
The oscillators will sound as
they’re being calibrated so
you can monitor progress.
When the calibration cycle
comes to an end, the GEN
R-8 will automatically exit
calibration mode.
You can perform this
calibration as often as you
like, and the shorter it takes,
the closer the GEN R-8 was
to optimal calibration.
The keyboard is a 3-octave
touch keyboard that you
can play with your nger. It
has two extra performance
keys on the left, MOD and
GLIDE that allows the player
to instantly add deeper
modulation from the LFO,
and glide between notes.
MOD
This key adds extra
modulation depth from the
LFO, the level of which is set
with the MOD DEPTH knob
in the CONTROL section.
The MOD key is momentary
just like the note keys, so
when you let go, the depth
goes back to normal as set
with the DEPTH knob in the
LFO section.
GLIDE
This key adds a glide between two notes, it’s momentary like
the MOD key, so the Glide function is only active as long as the
GLIDE key is held down. With this performance control you can
not only perform traditional glides, but also precise pitch bends
making it a very powerful performance tool.
The way the GLIDE key behaves is set with the GLIDE
CONSTANT button and the TIME/SPEED knob in the
CONTROL section.
NOTE! The MOD and GLIDE keys double as REST and TIE keys
when the sequencer is in Record mode, more on this in the
Sequencer section in this manual.
FIRST/LAST NOTE PRIORITY
DIP switch 5 on the side switches between rst and last
note priority.
LEGATO MODE ON/OFF
DIP switch 6 on the side switches Legato mode on and o.
MIDI CONTROLLER (MIDI LOCAL ON/OFF)
DIP switch 3 on the side switches MIDI local on and o. This
is useful if you wish to integrate the GEN R-8 into your DAW
setup as a MIDI controller keyboard.
CV/GATE CONTROLLER
The CV/Gate outputs on the sequencer doubles as keyboard
CV/Gate outputs when the sequencer is not playing.
CONTROL OSCILLATORS
The CONTROL section on
the front panel is for setting
the behaviour of the MOD
and GLIDE performance keys
on the keyboard.
GLIDE CONSTANT
This button determines which parameter is held constant
when performing a glide using the GLIDE key on the keyboard.
The button toggles between TIME and SPEED as the constant
parameter. The default is SPEED being held constant and the
button is dimmed to signify this. When the button is lit, TIME is
the glide parameter that is held constant.
TIME/SPEED
This is the only dual function knob on the GEN R-8, it either
controls the constant length of time a glide takes or the
speed of the glide. When TIME is selected as the GLIDE
CONSTANT parameter, use this knob to set the time, or when
SPEED is selected as the GLIDE CONSTANT, use this knob to
set the speed.
MOD DEPTH
This knob sets the amount of extra LFO modulation
depth that is applied to a sound when using the MOD key
on the keyboard.
03 04
The OSCILLATOR section
is where you select
waveforms and tune the
oscillators. RING MOD and
OSC SYNC are also found
here, and you also use
these keys to engage the
oscillator calibration mode.
OSC SYNC
This button engages the
Osc Sync mode where the
two oscillators are synced
to each others frequency,
or their harmonics in
the case of detuning to
an interval. It syncs the
oscillators in perfect tune
with each other removing the
“beating” chorus eect of
two oscillators, and instead
creates a new waveform
with new harmonic content
for single oscillator sounds.
If one of the oscillators is
frequency modulated, weird
pitch stepping eects can
be achieved as one oscillator
latches on to the harmonics
of the other.
OSC1 WAVE
Oscillator 1 has two basic waveforms, sawtooth and square.
In addition, it also has a square sub-oscillator (one octave
down) and a subsub-oscillator (two octaves down). The audio
of the oscillator can also be switched to OFF using this knob.
The combination of the basic waveform and sub/subsuboscillators are denoted as follows:
square + subsub-oscillator
square + sub-oscillator
square
OFF oscillator audio switched o
sawtooth
sawtooth + sub-oscillator
sawtooth + subsub-oscillator
sawtooth + sub-oscillator + subsub-oscillator
OSC2 WAVE
As OSC1 WAVE, see above.
MASTER TUNE
Tunes both oscillators up or
down by seven semi-tones.
OSC2 DETUNE
Detunes oscillator 2 only,
to a tuning oset of up to
one octave up or down. This
tuning oset is maintained
when using the MASTER
TUNE knob.
OCTAVE
Transposes both oscillators
up or down by one or two
octaves. When using the GEN
R-8 as a MIDI controller, this
knob also transposes the
keyboard up or down by one
or two octaves.
RING MOD
This button engages
oscillator Ring Modulation,
it can produce atonal clangy
and bell like sounds when the
oscillators are detuned.
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