Author: Andy Merrett / Data Driven
The Yamaha SY99 is a synthesizer released in 1991. It is aimed at musicians wanting to create and modify their own sounds.
The SY99 has 76 synth/organ style full sized keys with touch sensitivity and aftertouch. It has 32 notes of polyphony. It has 192 on board sounds including pianos and real world sounds, and a sustain/damper pedal.
It uses Yamaha's AWM sound generation. Advanced Wave Memory is a classic high-quality sample playback and layering engine. It also uses FM sound generation. Frequency Modulation is an iconic digital synthesis for metallic, bell-like, and evolving tones.
It has the ability to record and play back user performances. It has built-in MIDI capabilities. It has no built-in learning system. It has no built-in speakers which means you will have to connect it to external amplification and speakers in order to hear it. It runs from AC power.View Prices on AmazonView Prices on ReverbView Prices on ebayView Prices on Music & Arts
As the Yamaha SY99 is 35 years old, you may find used models and spare parts on ebay.
Model: SY99
Price: $3,120 / ¥420,000
Tone Generator: RCM(AWM2×AFM)
Keyboards: 76 keys
Polyphony: 32(AWM2:16+AFM:16)
Dimensions: 1,254 (W) x 407 (D) x 120 (H) mm
Weight: 19.6kg
What year was the Yamaha SY99 launched?
This instrument was launched in 1991
What other models did Yamaha release in 1991?
What models did other manufacturers release in 1991?
What other synths were released at a similar time?
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Added: 2026-02-03 Updated: 2026-02-11 ID: 1557
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