Roland D-20
D-20 (copyright 2012)
Released: 1987
MSRP: $1795US
Synopsis:
D-10 with a sequencer and disk drive
Architecture Class: Rompler.
Ebay Description:
The Roland D-20 is a 61 key (velocity sensitive), 8-32 voice (9 part multimbral), digital synthesizer, featuring 1-4 oscillators (sample or resonant low pass filtered saw/square), dedicated pitch/filter/amp 4 stage envelopes, LFO, reverb, card slot, 128 presets, 9-track sequencer (64 patterns, 16k notes), 3.5" DSDD disk drive, and MIDI.
Physical
| Form Factor |
Dimensions |
Weight |
Audio Input |
Audio Output |
Communication Port |
Control Input |
Control Output |
Switch Input |
Power |
| 61 keys |
W:1014mm(39.9375in)
D:301mm(11.875in)
H:106mm(3.1875in)
|
10.1kg(22.25lbs) |
no |
stereo |
MIDI IN/OUT/THRU |
MIDI |
MIDI |
sustain
drum-start/stop |
25W AC (IEC C13 to NEMA 5-15P) |
Interface
| Compatibility |
Multitimbral Memory |
Program Memory |
External Storage |
External Programming |
UI Input |
UI Output |
|
D-5
D-10
D-20
D-110 |
internal:128
card:128 |
patches:128
preset-tones:128
user-tones:64
card:same |
MIDI-SysEx
card:M-256D/E
3.5" DSDD floppy drive
|
MIDI-SysEx
PG-10 |
menu based |
LCD display |
Architecture
| Multitimbral |
Polyphony |
Unison |
Architecture |
| 2
MIDI/sequencer:9 |
32|16|8 (1|2|4 partials) |
no |
[DCO->DCF->DCA]+[PCM->DCA]+[DCO->DCF->DCA]+[PCM->DCA] |
Output
| Effects |
Pan Modulator |
Volume Modulator |
Headphone |
| reverb:8 |
MIDI-CC10 |
key
TVA-ENV
velocity |
yes |
Control
| Arpeggiator |
Arpeggiator External |
Sequencer |
Sequencer Memory |
Sequencer External |
Continuous |
Program Change |
| no |
N/A |
9 track (8 + rhythm) |
16k notes (35k notes via disk)
preset-patterns:32
user-patterns:32
bars:500
|
pedal:start/stop
pedal:punch-in/out
MIDI |
bend-lever
mod-lever
MIDI-CC1
MIDI-CC6
MIDI-CC7
MIDI-CC10
MIDI-CC11
MIDI-CC100
MIDI-CC101 |
MIDI |
Keyboard
| Key Pressure |
Chord Memory |
External Control |
External Sustain |
Key Scaling |
Velocity Curves |
| no |
no |
MIDI-SysEx |
MIDI |
variable |
1 |
Sample
| Stereo |
Sample Depth |
Sample Rate |
Sample RAM |
Sample ROM |
Sample Points |
Sample Trigger |
Sample Loop |
Sample Edit |
| no |
16bit |
? |
no |
? |
N/A |
N/A |
N/A |
no |
Source
| Name |
Signal Class |
Waveform |
Octave Range |
Amplitude Modulator |
Harmonics Modulator |
Pitch Modulator |
Wave Assign Modulator |
| Sample |
digital |
sample:256 |
- |
no |
ring |
LFO
MIDI-PitchBend
P-ENV
bend-lever |
no |
| WG |
digital |
saw
square |
- |
no |
ring
PWM:velocity |
LFO
MIDI-PitchBend
P-ENV
bend-lever |
no |
Filter
| Name |
Signal Class |
IC |
Resonant |
Shape |
Frequency Modulator |
Resonance Modulator |
Shape Modulator |
| TVF |
digital |
? |
yes |
low pass |
key
TVF-ENV |
no |
no |
Envelope
| Name |
Level |
Rate |
Loop |
Polarity |
Trigger |
Level Modulator |
Rate Modulator |
| P-ENV |
4 |
4 |
no |
yes |
no |
velocity |
key |
| TVF-ENV |
3 |
4 |
no |
no |
no |
key
velocity |
key |
| TVA-ENV |
3 |
4 |
no |
no |
no |
no |
key
velocity |
LFO
| Name |
Waveform |
Delay |
Polarity |
Sync |
Delay Modulator |
Level Modulator |
Rate Modulator |
| LFO |
triangle |
no |
no |
no |
no |
MIDI-CC1
mod-lever |
no |
