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quarta-feira, 20 de janeiro de 2010

The Roland JD-800: A Great Synth - Short History and Specifications

Year 1991

Roland JD-800 Programmable synthesizer

"Combining stunning digital sound and sophisticated digital technology with a natural feel and warmth reminiscent of analog instruments, the JD-800 was an instant sensation."

When the JD-800 appeared in 1991, Roland was the first to announce a new trend in the 90's: editability and overview.

The JD-800 become instantly a mega-classical keyboard.

All sliders are dedicated editors just like the original analog synths.

Based on sampling technology, it's a great synthesizer for guitar-like, analog bass or string/pad sounds.

Internal ROM based with CD quality waveforms are combined to build sounds.

Almost patches was created by Eric Persing.

This synth become the synth of choice in just about every studio around the world.

It also can be used to control the JD-990 module.

This keyboard is an extremely programmable digital synthesizer that retailed for $3000 when it was first introduced.

Units produced: 24.000 (source bluesynths.com)

Digital Programmable Synthesizer with analog user surface.

Real-time controls

Great overall sound.

It´s really beautifull.


61 keys, Velocity, Channel aftertouch, 4 velocity curves


24 voices

6 Parts Multitimbral (Multi mode): 5 part multitimbral + drum mode

Sound memory:

64 internal RAM patches storage positions plus 64 Rom-card


ROM based digital synthesizer

Tone generation:

S+S (Sampling and Synthesis) with resonant filters.

6 MegaByte ROM with 108 PCM Waves, expandable by PCM Rom Cards.

CD Quality waveforms

24 db Filters

108 internal source waveforms:

  • 13 Analog waves
  • 22 digital waves
  • 10 samples
  • 16 percussion samples
  • 9 overtones
  • 4 piano's
  • 17 attack transients
  • 6 wind samples
  • 9 noise
  • 2 effect samples
You can also add waveforms from ROM plug-in cards


Keyboard: Good action 61 keys, fast, light, and smooth, with velocity, channel aftertouch.attachment and the weight it is attached


  • 1 2x22 characters-LCD,
  • 1 2x16-characters-LCD,
  • green or orange backlight.

125 buttons, knobs and sliders on the front panel, being 75 dedicated for sound editing. All this send out recordable sysex! You can control the JD-990 with it.

Tone Processing functions:


  • Pitch
  • TVF - Time Variant Filter (18 bit)
  • TVA - Time Variant Amplitude
WG - Waveform Generator

Dynamic filters and Amplifier,

2 LFOs · with 5 waveforms

Effects processor:

2 Effect chains

1x Mono

1x Stereo

  • Phaser
  • Distortion
  • Spectrum
  • Enhancer
  • Chorus
  • Delay
  • Reverb
  • 3 Band EQ


From Roland Roland JD-800 Turbo facts:
  • SL-JD80 Series:
A diverse library of Waveforms and Patches ranging from Acoustic, Dance and Rock drums to Strings, Brass, Pianos and even Accordian. Each set contains both a Waveform card and a Data card with 64 patches which utilize the sounds on the Waveform card.
  • SO-PCM Series:
These cards contain new Waveforms for use with either the JV or JD-series synthesizers. The JD-800 can use these Waveforms to enhance its internal library and allow users to build new Patches.


These are the original Jd-800 sets. Each have two cards, one for patches and one with waveforms.

  • SL-JD80-01 Drums & Percussion STANDARD
  • SL-JD80-02 Drums & Percussion DANCE
  • SL-JD80-03 Rock Drums
  • SL-JD80-04 Strings Ensemble
  • SL-JD80-05 Brass Section
  • SL-JD80-06 Grand Piano
  • SL-JD80-07 Guitar Collection
  • SL-JD80-08 Accordion

The JD can use waveform PCM cards from JV series.


  • SO-PCM-01 Piano Selection
  • SO-PCM-02 Guiter & Brass
  • SO-PCM-03 Rock Drums
  • SO-PCM-04 Grand Piano
  • SO-PCM-05 Accordion
  • SO-PCM-06 Baroque
  • SO-PCM-07 Orchestral FX
  • SO-PCM-08 Country/Folk/Bluegrass

Memory Cards

You can save memory data using standart M-256E cards or compatible as the M-512E. Note, using the M-512E won´t give you double memory.

The cards save patch data, not waveforms.


  • Mix Out - Stereo (L/R)
  • Direct Out - Stereo (L/R)
  • MIDI in, Out, Thru;
  • Sustain, Control pedal
  • Headphone,
  • Card Slots for Patches and PCM data


Power source: AC100V (50/60Hz)

Electric power consumption: 25w

External size: 1040 (W) ×420 (D) ×108 (H) mm

Weight: 15 kg


Roland M-256E Ram Card
Roland M-512E Ram Card (only 256kb used)
Roland DP-2 damper pedal
Boss FS-5U momentary type footswitch
Roland EV-5 Expression Pedal
Roland EV-10

Important notes and disclaimer:

This is a fan-page.  I have no relation with Roland Corporation.

This page was done because I found myself lost and I start to colect info around the world. All information I found is posted here.

Please, don´t write asking how to do something. Save your time and go directly to the user foruns and sites.


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