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 ROLAND D50, D550 Digital Synthesizer

Roland D50, D550 synthesizer
D50, D550
click image to enlarge - Bild klicken zum vergroessern
other ROLAND gear..
Built 1987
Type: digital
Hybrid: no
16 Voice / Stimmen
2x Multitimbral
standard Memory / Speicher
Value / Wert in 2017 ca. 350 (-)
Synthesis: subtractive

OSC Features PWM 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 no
(ID 4)
  deutsch - german
ABOUT 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 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 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. programmer: pg1000 (expensive these days) for editing with knobs.
DETAILS 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). Programmer: PG1000 (teuer) für direktes Editing mit Knöpfen.
SOUND pads and basses
SOUND pads und bass
VERSION D550 rack
VERSION D550 rack
PG1000 Programmer for D50 / D550

D50 Programmer PG1000 PG1000 Programmer for D50 / D550 synthesizer

D50 Programmer PG1000
D50 Programmer PG1000 PG1000 Programmer for D50 / D550 synthesizer IMAGE
D-550 Rackversion of the D-50

D550 Rackversion des D50 D-550 Rackversion of the D-50 synthesizer

D550 Rackversion des D50
D550 Rackversion des D50 D-550 Rackversion of the D-50 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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