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From the Community
From the community
No conversations about the SPX-90 yet — own one or know it well? Ask the first question, share a fix, or post your unit.
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Document Library
Manuals
2Service & Technical
103
Audio Demos
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Compatible Sound ROMs
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EPROM Archive
Yamaha SPX90
V1.2os·4D12B52B0
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Parts & Components
Get full parts access
Subscribe to see pricing and buy parts for your SPX-90
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Modifications
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Owner Registry
Production figures for the SPX-90 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
No units on the census yet — be the first to put your SPX-90 on the map.
Own one? Add it to My Gear to join the registrySerial number, condition, and configuration are aggregated anonymously into the census.
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