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 ROLAND D20 Digital Synthesizer + workstation sequencer

Roland D20 synthesizer
pic thx for D20
click image to enlarge - Bild klicken zum vergroessern
other ROLAND gear..
Built 1988
Type: digital
Hybrid: no
32 Voice / Stimmen
8x Multitimbral
standard Memory / Speicher
Value / Wert in 2017 ca. 170 (-)
Synthesis: rompler

OSC Features rom sample
Wave Shapes rom sample saw pulse
4 OSCs
4 Filter lpf reso 4 Pole
6 LFOs random saw square triangle
10 Envelope Generators 5stage time level

MIDI Control / Triggering
61 Keys with velocity aftertouch

Arpeggiator no
Sequencer workstation sequencer
(ID 60)
  deutsch - german
ABOUT the D20 and D10 were also based on samples and 2 basic waveforms but the PWM was taken away. D20 has a sequencer. the LA-Synthesis was introduced and the D50 sold well after the big DX7 success (yamaha). it had some samples like the shakuhachi along with 2 OSCs and upper + lower structure, there was a 3rd party multimode expansion available (when using it all the D50 was 8 voice polyphonic. samples could not be filtered.
ABOUT der D20 und D10 bringt die samples des D50 aber der Syntheseteil wird etwas abgespeckt: keine PWM mehr. die beiden waren eine Art D50 für weniger "Betuchte". D20 hat einen sequencer. nach dem großen Erfolg des DX7 kam dann die LA-Synthese des D50, Samples im Stile eines Shakuhachi Samples kamen zusammen mit einer klassischen 2-OSC Struktur mit ins 6 LFOs, bei Nutzung alles Stimmen mit upper + lower struktur, war er dann 8 Stimmig. Samples waren nicht filterbar.
DETAILS 8 parts, one of them being for drums. FX. one structure has 2 OSCs, so combining them it is 4 OSCs and 3x2 = 6 LFOs. per structure it had a pitch env and one per filter and one for amp.
DETAILS 8 parts - davon einer drums. FX. eine structure hat 2 OSCs, daher hat die zusammen 2x2 = 4 OSCs und 3x2 = 6 LFOs, dazu kommen je eine pitch ENV und pro Filter und Amp je eine Mehrsegment-ENV (wenn lower + upper genutzt).
SOUND pads and basses
SOUND pads und bass
VERSION D110 rack
VERSION D110 rack
Roland D20
D20 Workstation
Roland D20 Roland D20 synthesizer

by: (link)
Roland D20
Roland D20 Roland D20 synthesizer IMAGE

ROLAND or Boss, Edirol formerly Ace, Acetone
roland synth manufacturer logo - Hersteller Logo

Roland was founded in 1972 by Ikutaro Kakehasi, Japan (prior companies: ace (drum machines and electronic organs and kakehashi musen), first synthesizer: 1972 - Mr. Kakehashis biography is available as a book from Robert Olsen.
- DIN SYNC: same as tb303, TR606, TR707 (also with MIDI)
Pins - Roland DIN sync:
from left to right: PIN 3 tempo clock, PIN 5 fill in, PIN 2 ground, (middle pin!), PIN 4 reset & start, PIN 1 start/stop

Official Intl. Site :

Roland wurde 1972 von Ikutakro Kakehashi gegründet, nachdem er Ace aufgebaut hatte. Von Kakehashi gibt es ein Buch vom PPV Verlag.

Offizielle Site (D)


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