01
From the Community
From the community
No conversations about the S-550 yet — own one or know it well? Ask the first question, share a fix, or post your unit.
02
Audio Demos
03
Compatible Sound ROMs
04
EPROM Archive
Roland S550_Firmware_V2.0.0
MAME verifiedos·9DBC93B70
05
Parts & Components
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06
Factory Sound Library
07
Modifications
08
Owner Registry
Production figures for the S-550 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.
0units registered
0 serials recorded
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09
System Components
CONTENTS
01From the Community02Audio Demos03Compatible Sound ROMs04EPROM Archive05Parts & Components06Factory Sound Library07Modifications08Owner Registry09System ComponentsManufacturer
Roland
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Specifications
- LFO
- Yes
- Dates
- 1986 - 1987
- Price
- £2195 UK $2695 US
- Filter
- Low-pass, hi-pass digital filters
- Effects
- no
- Keyboard
- 61 keys weighted
- Polyphony
- 16
- Timbrality
- 4 parts
- Manufacturer
- Roland Corporation
- Storagememory
- RAM (512K)
- Synthesis type
- Samples
- Left-hand control
- pitch-bend and modulation wheels, volume, record level, controller / bend range sliders.
- Velocity expression
- Yes
- Aftertouchexpression
- Yes
