The SY77 is a hybrid synthesizer that combines AWM and FM synthesis for vast sound scupting capabilities. Yamaha refers to the 6-operator FM synthesis as AFM, meaning Advanced Frequency Modulation. The "advanced" part comes from the availability of 16 extra oscillator waveforms and 45 different algorithms. These FM and AWM sounds can combined into a single patch to build complex sounds and layers.
It has a 16-track, 1-song sequencer.
The screen's backlight will commonly burn out, making the screen harder to read in dim light (but still functional). It is fairly easy to find an aftermarket replacement.
The SY77 is available in rackmount form without a sequencer as the Yamaha TG77. The SY99 is an upgraded version with a 76-key keyboard.
Year Released: 1989
MSRP: 2995.00 USD
Keyboard: 61 keys with velocity and aftertouch
Polyphony: 32 notes
Multitimbral: 16 parts
Preset Patches: 128
User Patches: 64
Preset Performances: 16
User Performances: 16
ROM: 4MB (112 waveforms at 16-bit, 48 kHz)
Sequencer Memory: 16,000 notes
Sequencer Resolution: 96 PPQN
Effects: 2 DPSs with 40 different reverbs and 4 different modulation effects
Screen: 240 x 64 pixel backlit LCD
Outputs: 12x 1/4 inch (2x stereo pair, 8x individual)
Power Consumption: 28 watts
Dimensions: 1046 mm x 407 mm x 119 mm
Weight: 17 kg
Maximum Polyphony: 16 PCM + 16 AWM
PCM Wave Memory: 4MB (112 waveforms)
Effects Processors: 2
Yamaha SY77 / TG77 voice ROM card JSPA vol. 1 BOXED complete ($255.62)
Yamaha SY77 | TG77 | SY55 | SY22 Synthesizer x5 Voice & Data Card Collection ($539.40)
Yamaha SY77 Synthesizer 1989 - Black ($850)
Yamaha SY77 Synthesizer 1989 - Black ($550)
Yamaha Synthesizer RY30 & SY77 | SY55 | SY22 | TG77 RHYTHM VOICE Rom/Data Card ($92.47)
Yamaha SY77 Digital Synthesizer DX7 Successor - very nice condition from German Collector ($964.53)
Yamaha SY77 61 Key Synthesizer Workstation 100V Made in Japan MIJ ($595)
Yamaha SY77 Synthesizer ($545)
Yamaha SY77 Synthesizer 1989 - Black ($340.82)
Yamaha SY77 Synthesizer (NYC) ($799)
Yamaha SY77 Synthesizer ($450)
Yamaha SY77 | SY55 | SY22 | TG77 Synthesizer (S7701) SAX 1 Voice and Data Cards ($92.47)
Yamaha SY77 with Gotek floppy emulator ($794.12)
Yamaha SY77 Synthesizer 1989 - Black ($737.31)
Yamaha SY77 Cheater's Guide and Cookbook book Sy77 1991 ($49.99)
Yamaha Synthesizer SY77 | SY55 | SY22 | TG77 DRUMS 1 (S7702) Voice Data and Waveform Card ($92.47)
C F Key YAMAHA DX7 DX 2 FD DX7S SY77 99 KORG M1 T3 01W KRONOS TRINITY genuine ($5.68)
E B Key YAMAHA DX7 DX 2 FD DX7S SY77 99 KORG M1 T3 01W KRONOS TRINITY genuine ($5.68)
Custom padded cover for YAMAHA SY-77 Keyboard SY77 SY 77 ($49.99)
Yamaha SY 77 TG77 SAX1 cards for sale ($193.13)
YAMAHA SY77 SY 77 MANUEL Français manuel COMPLET et ORIGINAL très bon état ($44.31)
LCD Display black with cable Kit for Yamaha SY99 SY77 ($85.44)
LCD Display white with cable Kit for Yamaha SY99 SY77 ($85.44)
Yamaha SY77, SY55, SY99, TG55, TG77, V50 Battery ($4.99)
Yamaha SY 77 Synth Patches - 13 Disk Set - Ready to load into your SY77 ($60)
Yamaha SY77 Sound Card Set Sax 1 ($70)
Yamaha SY77 90s Pop Source Voice Data Card ($70)
Yamaha 10000 SOUNDS Library for SY77 SY99 TG77 TG SY .syx format download ($21.59)
YAMAHA SY77 FLOPPY DRIVE ($52.26)
Yamaha SY77 Demosoft Series Chick Corea Data Disk ($49.95)
Yamaha SY77 Demosoft Series David Bryan Data Disk ($49.99)
Yamaha SY77 Demosoft Series Mike Garson Data Disk ($49.95)
Yamaha - SY77 - New Rotary Potentiometer ($9.90)
Yamaha SY77 metal front panel ($55.67)
YAMAHA tg33 sy35 sy55 sy77 sy99 - Battery Replacement fix ($9.03)
YAMAHA dx7, dx7 II, dx9, dx27, dx100 tg77 sy77 tx802 tx7 - Battery Replacement fix ($9.03)
lot 12 KEYS Parts Yamaha DX7 DX7 Sy99 SY EX KORG M1 01w T Trinity WS KRONOS ($21.59)
Black Key YAMAHA ($10.22)
Yamaha SY 77 / TG 77 Synth Patches • 13 Bank Set • Digital Download ($35)
Yamaha SY77, SY55, SY99, TG55, TG77, V50 Battery ($5.62)
Yamaha SY85 synth 61 keys vintage - sy 85 sy-85 ($597.67)
YAMAHA SY-77 / SY-99 - Set of 70 Pushbutton Panel Tact Switches NEW SY77 SY99 Micro Switch ($20.39)
Korg Korg 01W, 01W FD, T1, T2, T3, i2, i3, Yamaha SY77, SY99, W5, W7 LCD Backlight. ($31.99)
YAMAHA TG77 TONE GENERATOR New internal battery & display SY77 ($550)
YAMAHA TG/SY77 DRUMS 1 WAVEFORM + VOICE DATA CARD W7702 D7702-01 ($150)
KX1/5 , v50 , SY77/99 , DX7/9 ($5.90)
KA907030 switch Yamaha SY77,SY99,DX7II, DX7IID, DX7IIFD ($1.74)
YAMAHA SY-77 Original LCD Display Assembly Optrex MDK52V . Made in Japan. ($69)
Graphic Display Upgrade - Yamaha TG-77 SY-77 SY-99 Kurzweil K2000 K2000R K2000VX ($172.62)
Yamaha SY 77 Full Octave Keys ($53.40)
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