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Roland JD-800

Synthesizer

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JD-800 1JD-800 2JD-800 3JD-800 4JD-800 5JD-800 6
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Roland JD-800
Roland JD-800
1 500.00 street price

JD-800 is a Roland’s digital synthesizer launched in 1991. The instrument provides 24 voices when one tone is used and reduces the polyphony to 6 notes when 4 tones are active (a patch can include up to 4 tones). The synthesis is based on proprietory Linear Arithmetic technology which is a combination of sample playback and digital synthesis. There are 3MB of PCM ROM for storing 108 waveforms which can be expanded up to 1MB. JD-800 is 5-part multitimbral (+ one drum part). TVF is Roland’s famous Time Variant Filter represented in the unit structure with a resonant multi-mode filter.

Memory delivers capacity for 64 patches. The front panel is laid out with multiple controls including sliders and knobs for comprehensive editing ensuring quick and open patch programming. Some of built-in waveforms are short and are created to liven up the attack, just to add to the sound while others are comprised to receive some long-evolving pads. 7 effects can be applied in a single mode bringing some vibrance while 3 effects are available in a multi mode.

The editing and adjusting is a hands-on process: layer buttons can operate in real time for switching the tones and in an edit mode for choosing the parameters you want to adjust, while palette sliders will edit the settings (recently triggered parameters) of all 4 tones independently and simultaneously or help to achieve the balance between tones in a patch.

The unit was used by Vangelis, Duran Duran, Keith Emerson, Jean Michel Jarre, William Orbit, The Prodigy, Tangerine Dream.

Tags: digital synthesizer

Country of origin / production: Japan

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Usage area
Synthesizer 
Performance Synthesizer 
Archetype
Digital (D) 
Polyphony
Voices24
Multi Timbral Capacity6 part(s)
Tone Generator / Sound Synthesis
Synthesis Method Digital Subtractive
Oscillator Type Digital
Technology of Sound Generation PCM
Roland
LAS (Linear Arithmetic Synthesis) 
Waveform/ Spectral form (main generator): Waveform Count108
Waveform/ Spectral form (main generator): Waveform ROM3 Mb
Programs/ Voices/ Timbres
Patches64
Filter
Digital (DCF) 
High-pass Filter (HPF) 
Low-pass Filter (LPF) 
Band-pass Filter (BPF) 
Resonance 
Effects
Reverb 
Chorus 
Delay 
Phaser 
Distortion 
Enhancement 
Equalizer
Parametric 
MIDI in/ out
IN 
OUT 
THRU 
Keys
Type Synth Action
Velocity Sensitivity 
Aftertouch 
Size5
Number of Keys61
Display
Display type TFT
Display type EL
Display count3
Color resolution Monochrome
Built-in controllers
Pitch Bend/ Modulation Lever 
External controllers
Expression foot pedal 
Hold 
Audio out
Stereo 
All voices mixed in one output 
Analogue: 1/4" (6.35mm)4
Analogue: 1/4" (6.35mm) headphones preamplified1
Expandability
Preset Memory Slot/ Wave Expansion Board1
Sound Synthesis Slot1
Power
Voltage 230V
Voltage 240V
Voltage 120V
Voltage 50Hz
Voltage 60Hz
Power consumption30
Dimensions
Height108
Width1040
Depth420
Weight15 kg
Case/ body
Metal&plastic 
Color
Grey 
Production start1991
Production end1993
Production ended

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