Synths ⇝ Yamaha ⇝ Yamaha SY55

The SY55 is an early ROMpler and is the keyboard version of Yamaha's TG55 tone generator. It has a built-in 8-song, 8000-note sequencer and a few expansion card sets are available.

The SY55 was followed by the Yamaha SY85.

Specifications

Year Released: 1990

MSRP: 1595.00 USD

Keyboard: 61 keys with velocity and aftertouch

Polyphony: 16 notes

Multitimbral: 16 parts

Preset Patches: 64

User Patches: 64

Preset Performances: 16

User Performances: 16

ROM: 2MB (74 waveforms - 50 acoustic instruments, 16 drum sounds, 8 digital waveforms) at 16-bit and 32 or 48 kHz resolution

Sequencer Memory: 8,000 notes

Effects: 34 programmable digital effects

Screen: 16x2 character display

Power Consumption: 15 watts

Dimensions: 911 mm x 325 mm x 90 mm

Weight: 9.7 kg

User Demo Videos

Rating

Sound Samples

WAV samples are available on freewavesamples.com.

File Downloads

Yamaha SY55 Manual 1

Yamaha SY55 Manual 2

Items for Sale on Reverb

Yamaha SY55 90s ($328.12)

Yamaha SY-55 - Black ($325)

Yamaha SY-55 SY55 61-Key Keyboard / Synthesizer Synth Workstation ($299.99)

Yamaha SY-55 ($381.71)

Yamaha SY-55 ($656.24)

YAMAHA SY55 - Full Set of 39 Pushbutton Panel Tact Switches NEW SY-55 KA907030 ($13.51)

Yamaha SY-55 - Version 1.06 Firmware Upgrade Update Rom OS SY55 Eprom ($21.82)

YAMAHA tg33 sy35 sy55 sy77 sy99 - Battery Replacement fix ($8.70)

ORIGINAL Yamaha Power PCB (VI542300) for SY55 ($49.95)

Yamaha Drums 1 Sound Card Set for SY55 / TG55 1990 ($145)

ORIGINAL Yamaha Jack PCB (VI784400) for SY55 ($19.95)

ORIGINAL Yamaha 3P “1 2 3” Buttons Set (VI524400) for SY55 ($6.95)

ORIGINAL Yamaha 3P “0 - Enter” Buttons Set (VI524700) for SY55 ($6.95)

ORIGINAL Yamaha Panel PCB (VI547600) for SY55 ($39.95)

ORIGINAL Yamaha 3P “7 8 9” Buttons Set (VI524600) for SY55 ($6.95)

ORIGINAL Yamaha LCD Display (VI526300) for SY55 ($59.95)

Yamaha - CS6X , VL1 , Motif XS6 , Tyros 4 , MO8 , DX7S , HD-200 , SY55 , W7 - Stereo phone jack ($6.29)

Valhala Orchesetral Voice Card for Yamaha SY55 TG55 RARE ($149.99)

ORIGINAL Yamaha 3P “4 5 6” Buttons Set (VI524500) for SY55 ($6.95)

ORIGINAL Yamaha 6P Buttons Set (VI524300) for SY55 ($9.95)

ORIGINAL Yamaha Mod Wheels Assembly (VI526400) for SY55 ($39.95)

Yamaha Sound Card Set Brass Section S5504 for SY55 / TG55 ROM Card ($109.37)

YAMAHA Top-C Key for N1X, CS6X, EX7, SY55, SY22, SY35, S30, MO6, DX11, V50 ($19.99)

Yamaha SY77, SY55, SY99, TG55, TG77, V50 Battery ($5.41)

YAMAHA AN1X, CS6X, EX7, SY55, SY22, SY35, S30, MO6, DX11, V50 Replacement Key ($7.95)

ORIGINAL Yamaha Key Contact PCB (VE197500) for SY55, DX11 ($54.95)

[RARE] SY77 Impressions Vol 1 rom card - Sound Source Unlimited Yamaha TG55 SY55 ($159.99)

NEW Yamaha Replacement D Key (Yamaha C61K6 Keybeds) (VL57010R/VA850100) for SY22/35/55, DX11, DS55, S30, AN1X & CS6X, V50, W7, YS200, Korg 707 ($13.95)

NEW Yamaha Replacement C/F Key (Yamaha C61K6 Keybeds) (VL57000R/VA850000) for SY22/35/55, DX11, DS55, S30, AN1X & CS6X, V50, W7, YS200, Korg 707 ($13.95)

NEW Yamaha Replacement TOP C’ Key (Yamaha C61K6 Keybeds) (VL7080J0/VA853800) for SY22/35/55, DX11, DS55, S30, AN1X & CS6X, V50, W7, YS200, Korg 707 ($24.95)

NEW Yamaha Replacement E/B Key (Yamaha C61K6 Keybeds) (VL57020R/VA850200) for SY22/35/55, DX11, DS55, S30, AN1X & CS6X, V50, W7, YS200, Korg 707 ($13.95)

NEW Yamaha Replacement A Key (Yamaha C61K6 Keybeds) (VL57040R/VA850400) for SY22/35/55, DX11, DS55, S30, AN1X & CS6X, V50, W7, YS200, Korg 707 ($13.95)

NEW Yamaha Replacement G Key (Yamaha C61K6 Keybeds) (VL57030R/VA850300) for SY22/35/55, DX11, DS55, S30, AN1X & CS6X, V50, W7, YS200, Korg 707 ($13.95)

NEW Yamaha Replacement Sharp/Black Key (Yamaha C61K6 Keybeds) (VL57060R/VA850500) for SY22/35/55, DX11, DS55, S30, AN1X & CS6X, V50, W7, YS200, Korg 707 ($9.95)

ORIGINAL Yamaha Replacement G Key (Yamaha C61K6 Keybeds) (VA850300) for SY22/35/55, DX11 ($10.95)

ORIGINAL Yamaha Replacement E/B Key (Yamaha C61K6 Keybeds) (VA850200) for SY22/35/55, DX11 ($10.95)

ORIGINAL Yamaha Replacement C/F Key (Yamaha C61K6 Keybeds) (VA850000) for SY22/35/55, DX11 ($10.95)

ORIGINAL Yamaha Replacement E/B Key (Yamaha C61K6 Keybeds) (VA850200) for SY22/35/55, DX11 ($10.95)

ORIGINAL Yamaha Replacement C/F Key (Yamaha C61K6 Keybeds) (VA850000) for SY22/35/55, DX11 ($10.95)

ORIGINAL Yamaha Replacement E/B Key (Yamaha C61K6 Keybeds) (VA850200) for SY22/35/55, DX11 ($10.95)

ORIGINAL Yamaha Replacement G Key (Yamaha C61K6 Keybeds) (VA850300) for SY22/35/55, DX11 ($10.95)

ORIGINAL Yamaha Replacement A Key (Yamaha C61K6 Keybeds) (VA850400) for SY22/35/55, DX11 ($10.95)

ORIGINAL Yamaha Replacement C/F Key (Yamaha C61K6 Keybeds) (VA850000) for SY22/35/55, DX11 ($10.95)

ORIGINAL Yamaha Replacement A Key (Yamaha C61K6 Keybeds) (VA850400) for SY22/35/55, DX11 ($10.95)

ORIGINAL Yamaha Replacement E/B Key (Yamaha C61K6 Keybeds) (VA850200) for SY22/35/55, DX11 ($10.95)

ORIGINAL Yamaha Replacement SHARP/BLACK Key (Yamaha C61K6 Keybeds) (VA850500) for SY22/35/55, DX11 ($8.95)

ORIGINAL Yamaha Replacement A Key (Yamaha C61K6 Keybeds) (VA850400) for SY22/35/55, DX11 ($10.95)

Yamaha SY/TG55 Drums 1 sound card set ($100)

Yamaha SY/TG55 VOICE DATA CARD 1990 black ($65.62)

ORIGINAL Yamaha Replacement Keyspring (VC077600) for SY22/35/55, DX11, AN1x ($1.50)