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Yamaha SY55

(image courtesy of Yamaha)

Released: 1990

MSRP: Y168,000 ($1595US)


Basic second generation (AWM2) rompler, similar to an SY77 without the FM sources. Architecture Class: Rompler.

Ebay Description:

The Yamaha SY55 is a pressure and velocity sensitive 61 key (16 voice multitimbral) sample based synthesizer, featuring up to four sources, 34 effects, card and MIDI interfaces, 8 track sequencer, and 128 presets (64 editable). Each element has an AWM2 (74 samples) source with dedicated (5 stage) envelopes, a 5 stage pitch envelope, an LFO (saw up/down, sine, square, triangle, random waveforms), 12dB digital resonant low|high pass and low pass filters with dedicated (7 stage) envelopes.


Form Factor Dimensions Weight Audio Input Audio Output Communication Port Control Input Control Output Switch Input Power
61 keys W:911mm(35.875in) D:325mm(12.75in) H:90mm(3.5in) 9.7kg(21.375lbs) no stereo MIDI MIDI breath-controller volume-pedal MIDI sustain AC (15W)


Compatibility Multitimbral Memory Program Memory External Storage External Programming UI Input UI Output
SY55 TG55 user:16 card:16 preset:64 user:64 MCD32:64 MCD64:128 program-card:MCD32|MCD64 PCM-card MIDI-SysEx MIDI-SysEx mode based buttons LCD display


Multitimbral Polyphony Unison Architecture
8 16|8|4 no 4x[AWM2->DCF1->DCF2->DCA].


Effects Pan Modulator Volume Modulator Headphone
34 DSP (reverb, delay, distortion) no aftertouch|breath-controller|MIDI-CC MIDI-CC7 volume-pedal yes


Arpeggiator Arpeggiator External Sequencer Sequencer Memory Sequencer External Continuous Program Change
no N/A 8 track realtime or step 8 songs, 8k notes MIDI breath-controller mod-wheel pitch-wheel volume-pedal MIDI-CC1 MIDI-CC2 MIDI-CC3 MIDI-CC4 MIDI-CC5 MIDI-CC6 MIDI-CC7 MIDI-CC8-63 MIDI-CC65-120 MIDI


Key Pressure Chord Memory External Control External Sustain Key Scaling Velocity Curves
channel no MIDI:IN/OUT/THRU pedal MIDI break-points:4 1


Stereo Sample Depth Sample Rate Sample RAM Sample ROM Sample Points Sample Trigger Sample Loop Sample Edit
no 16b ? no ? preset N/A preset no


Name Signal Class Waveform Octave Range Amplitude Modulator Harmonics Modulator Pitch Modulator Wave Assign Modulator
Element1 digital sample:74 ? aftertouch AEG1 LFO no aftertouch breath-controller|MIDI-CC PEG1 LFO MIDI-PitchBend pitch-wheel no


Name Signal Class IC Resonant Shape Frequency Modulator Resonance Modulator Shape Modulator
DFA1 digital ? yes 12dB high or low pass aftertouch|breath-controller|MIDI-CC FEGA1 key LFO velocity no no
DFB1 digital ? yes 12dB low pass aftertouch|breath-controller|MIDI-CC FEGB1 key LFO velocity no no


Name Level Rate Loop Polarity Trigger Level Modulator Rate Modulator
AEG1 2 5 no no key aftertouch|breath-controller|MIDI-CC key velocity key velocity
PEG1 5 4 no yes key no key velocity
FEGA1 7 6 no no key key key
FEGB1 7 6 no no key key key


Name Waveform Delay Polarity Sync Delay Modulator Level Modulator Rate Modulator
LFO1 saw:up|down sine square triangle random delay attack phase key no aftertouch|breath-controller|MIDI-CC MIDI-CC1 mod-wheel no
Rompler Models
TX1P TG100 CBX-T3 MU5 SY55 TG55 SY85 TG500
RM50 TG300 W5 W7 W5v2 W7v2 QS300 MU10
CS1x CS2x CS6x CS6R