Yamaha SY99

Yamaha SY99 Image

The SY99 is like having a super-sized sampling workstation with the synthesis and sounds of a DX-7mkII. Basically the same as the SY77 it features a larger 76 note keyboard with upgraded synthesis, sample memory, sequencer and more! For its synthesizer section it employs a 6 operator AFM synth engine similar to, if not better than, the original DX's. Sampled preset sounds (AWM2) can then be fused with the AFM sounds to create entirely wild new sounds! And these sounds are quite shapeable thanks to the resonant multi stage Time Variant Filters which offer the ability to recreate the warm analog sounds of classic synths, or something entirely new.

There's an enhanced on-board sequencer section for creating your songs right on the SY99. It's got 16 tracks, from which channel 16 belongs to the built-in drum synthesizer. The sequencer can hold up to 27,000 notes, 99 patterns and 10 songs. And since the SY99 features 16 voices of polyphony for the AFM section, and another 16 voices for the sampled sounds, there are 32 voices to go around to build your song. Not to mention there are 2 digital multi-effects processors which include reverb, delay, chorus, panning and more! Professional features for those of you want to really control and shape your sounds using the unique sounds (and complex synthesis) of a Yamaha FM synth with some special features up its sleeve. It has been used by Vangelis and Chick Corea.

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55 Visitor comments
Syn-Fi
February 2, 2014 @ 8:01 am
the TVF (time-variant filters), not sure why, but they do sound very impressive for digital filters. Resonance when you open the filter up is piercing and there is self-oscillation. I cannot detect stepping when you sweep the filter.
nc
January 22, 2014 @ 3:56 pm
Got a SY99, nice keybed, nice FM features. Don't expect a hi-def sound synth like newer workstations, but if you want to do your own sounds, it's an amazing synth. Floppy and LCD backlight are the weaks points, but they are fixable. There is a "cool blue mod" around the web, for replace the lcd with a custom led blue screen. Very happy with this synth it's built like a tank, weights 3 times my M50.
polyboy
December 6, 2013 @ 9:02 pm
try to switch to "local off". If local is on, notes are double triggered (from te keyboard and from midi in).
addo
December 2, 2013 @ 3:36 am
Good day. my name peter addo a technician, I have a problem with xy99 Yamaha keyboard for some time naw i cant solve it. whan playing there is distortion,one key can give u double sound what can be the problem. I hope u can help me thanks.
AkirIkasu
July 23, 2013 @ 12:19 am
Just one word of warning though: if something on the front panel isn't working (excepting the floppy drive - which will be dead by now), then you will have quite a lot of work to do. Just replacing the buttons will take a full day's worth of time. The machine is 95% plate steel (at least by weight), and that means there's a lot to unscrew and carefully remove. You even have to take off the keyboard to get to that front panel!
 
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  • Check Price
  • The link above will take you to an eBay search for this synth to see active listings. If you don't find it there, try looking in our forum marketplace or post a wanted classified.
  • Specifications
  • Polyphony - 32 voices: 16 AFM voices, 16 (AWM2) sampler voices
  • Oscillators - 6 operator AFM synth; AWM2 sample ROM with 267 waveforms
  • Filter - Multi-stage Time Variant Filters with resonance
  • Arpeg/Seq - 16 track sequencer, 27,000 note capacity, 99 patterns, 10 songs
  • Effects - 2 internal digital effects processors with 63 effects
  • Keyboard - 76 notes with velocity and aftertouch
  • Memory - 128 preset & 128 user patches, 16 preset & 16 user multi-patches
  • Control - MIDI
  • Date Produced - 1991
  • Resources & Credits
  • Images from Synthony.

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