01
From the Community
From the community
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02
Document Library
Manuals
5Service & Technical
103
Audio Demos
04
Compatible Sound ROMs
05
EPROM Archive
06
Parts & Components
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07
Modifications
08
Owner Registry
Production figures for the D 50 were never widely published, so there’s no official record of how many were built — or how many survive. This registry is a community census: every owner who logs their unit makes it the closest thing there is to a real count.
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09
System Components
CONTENTS
01From the Community02Document Library03Audio Demos04Compatible Sound ROMs05EPROM Archive06Parts & Components07Modifications08Owner Registry09System ComponentsManufacturer
Roland
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Specifications
- LFO
- 3 per voice
- Dates
- 1987–1991
- Price
- $1,895 - 2,095US£1,445GBP(Later £1,350)¥238,000JPY
- Filter
- Low-pass resonant filter Time Variant Filter (TVF) for square wave (non-PCM) Partials
- Effects
- reverb, chorus, EQ
- Keyboard
- 61 keys
- Polyphony
- 16 voices, 8 voices (Dual or Split mode)
- Attenuator
- ADSR envelope referred to as Time Variant Amplifier (TVA)
- Oscillator
- 32 partials with 2 per voice; 4 per voice in Dual or Split mode
- Timbrality
- 2-part (2 Partials per part)
- Manufacturer
- Roland Corporation
- Storagememory
- 64 patches
- Synthesis type
- DigitalSample-basedSubtractive(Linear Arithmetic)
- External control
- MIDIin/out, pedal switch, pedal hold, EXT Control, EXT Pedal
- Left-hand control
- Pitchbend / modulation lever
- Velocity expression
- Yes
- Aftertouchexpression
- Yes
Gallery
