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Red Sound Darkstar XP2




redsound darkstar XP2

infoCountry: UK
Weight: 2,5 Kg
Dimensions: 340 (w) x 230 (h) x 50 (d) mm
audio demo trend price : 200€
manual demo video comments

Red Sound Darkstar XP2 (2000)
8 voices polyphonic synthesizer


Desktop Virtual analog synth module - a revamp previous version DARKSTAR MK1 with a new grey design and some minor enhancements.

logo dark star Xp2

info DESKTOP MODULE optional rackmount kit (5 units height) model "Rack-02". The main panel features a segment display, a control joystick, a rotary encoder 15 knobs, 8 pads and 22 buttons.

Rear panel terminal connectors are:
- input for external signal processing
- Midi interface
- jack stereo out
- headphones

ac Power supply 9VDC external PSU +)- 800 mA.

TECH Main core based on H8/3002 family (16/32bits) + dedicated audio DSP ADSP-2185 - Analog Devices. XP2 synthesis is based on VA physical modelling generates 8 voices polyphony, DAC is based on Analog devices AD1881A.
An unused socket labeled "software conversation socket" probably for "conversation kit" the vocoder.

STRUCTURE 2 detunable oscillators per voice:
- OSC1: progressive from saw to square waveform with variable width.
- OSC2: is much more complex with same progressive OSC1 waveform plus two special modes:
formant + sinewave mode.
Oscillators can be ringmodulated in this way: OSC1 > OSC2
Also a noise generator with 3 colors pink/ white/ blue.

progressive waveform

demo Hear formant and sync
demo Hear rectangle width range
demo Hear OSC progressive waveshape
demoHear Sinewave TONE

edit PERFORMANCE the 8 voices polyphony can be assigned to 5 parts each with individual settings:

adsr - keyboard zone assignment
- Midi channel
- panning stereo
- gain volume
- pitch transpose
- monophonic mode (8 glide modes)
- aftertouch to filter
- aftertouch to LFO

VECTOR the joystick can be used to control different parameters in real-time:


- vector mode mixes between volumes section
- filter cutoff and resonance amount
- ringmodulator ratio

demo ringmod

edit FILTER digital 2-poles resonant filter features 3 modes: lowpass, highpass and bandpass.
Special keyboard filter tracking at 25, 50, 100, 150%.

vector demo HEAR XP2 FILTER

ENVELOPE up to 2 EGs with quite free routing:

  EG1 EG2
OSC1-2 amplitude hardwired -
OSC1-2 pitch yes yes
OSC1-2 width yes yes
filter resonance yes yes


LFO up to 2 interchangeable delayed digital modulators (shapes: ramp, triangle, square, sine, pulse, sample-hold and random). Modulators can be retriggered at notes, synched to external Midi clock at various dividers from 1/8th beat to 4 bars.
LFO Destinations are:

LFO - OSC pulse width
- OSC amplitude
- OSC pitch
- stereo panning
- filter resonance

edit EFFECT a digital chorus is included with variable rate/depth.

chorus mode demo HEAR digital CHORUS

edit MIDI
all parameters are mapped to Midi CC# and the knobs transmit also this controller.

- 64 RAM slots.
Patches and performances can be only saved to Midi exclusive dump.

resound xp2 mainboard

Left - the XP2 motherboard

- Click on pic to magnify -


EDITOR not much softwares has been released for this module but the "Dark Star Editor".

xp2 editor



Darkstar classic MK1

Darkstar classic MK1- first version version with different design.

mk1 vs XP2 differences: Mk1 features RCA instead of Jack, no headphones, lacks the chorus and special SINEWAVE mode (for OSC2).

redsound elevata ELEVATA is another VA from REDSOUND VIDEO



demo Factory demo
demo PadLFO
demo Sequence 1
demo Sequence 2 (filter)
demo Sequence 3 (formant)
demo Sequence ALESTE MSX
demo Bass Vintage
demo Pad filtered
demo Robot PWM
demo Bass with LFO
demo Speedup 303esh
demo Bass quite normal
demo Detuned synched
demo Chill chords
demo Drone?
demo House organ
demo Sequence (another)
demo Weird prodigy
demo Weird resonance trick
demo Commercial mellow
demo pad raw
demo raw oscillator
demo raw osc ringmodulation
demo raw osc lfo sync
demo raw osc part 2
demo bass droning
demo pan slicer
demo dog darkstar bark
demo FX bubbling
demo FX ringme
demo Horror panning
demo TEST: OSC progressive waveshape
demo TEST: Sinewave TONE
demo TEST : formant and sync
demo TEST: 3 noises OSC2
demo TEST: Sinewave + sync
demo TEST: ringmod
demo TEST: rectangle width range
demo TEST: filter
demo TEST: LFO range on pitch + shapes
demo TEST: chorus test


Red Sound Dark Star - examples of sound xp2 demo RedSound DarkStar RedSound DarkStar
vid1 vid2 vid3 with Korg electribe ER1


Company: Redsound
Model: Darkstar XP2
Class: module
Dates: 2000
Synthesis: Virtual analog
Polyphony: 8 voices
Multitimbric: 5 parts
Oscillator: 2
Filter: BPF / HPF / LPF
Lfo: 2 modulators
Envelope: 2 EGS
Sync: Midi clock
Effect: 1
Memory: 64 slots
CPU: H8/3002
DAC: AD1881A
Demo: 41


darkstar xp2
edit hi res pic





Darkstar XP2 reset procedure

Press and hold down the [PROGRAM]
button power on. The main display will show ‘SURE’ to prompt confirmation of the load. Press the
MENU [EDIT] button marked ‘VALUE +’’

-FREE sample set



darkstar brochure
edit original brochure


darkstar brochure
edit original advert


Red Sound Darkstar XP2 FOR SALE
Red Sound Darkstar XP2 FOR SALE






rear panel parameters values darkstar cat
unappealing plastic

poor interface


REVIEW "Slightly better than previous mk1, but still the interface is not so intuitive. Nothing too impressive, a lot of better V.A or Plugin, anyway, it is quite rare."

manual manual
-enhanced mk1 - display/edit



"Welcome to DARKSTAR XP2, an 8-voice polyphonic synthesiser with all the highlights of the analogue tradition,Pulse Width Modulation, Ring Mod, Resonant Filtering and ADSR Enveloping, combined with all the advantages ofmodern MIDI instruments like rock-solid tuning, perfect program recall, velocity response and 5 different timbres simultaneously available". Redsound


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Red Sound Darkstar XP2 Red Sound Darkstar XP2
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