Yamaha YS100

Digital synthesizer

1988 (July)
Initially sold for ¥102,000

The YS100 is exactly the same synthesizer as the Yamaha YS200, but lacks the internal sequencer and the keyboard doesn't have aftertouch.

YS family, sold in Japan under the EOS brand

Keyboard
61 velocity-sensitive keys

Sound source
FM tone generator (4 operators, 8 waves, 8 algorithms)

Simultaneous note output
Polyphonic: 8 notes
Monophonic: 1 note

Memory capacity
Internal program RAM: 100 voice programs
Internal program ROM: 100 voice programs

Connection terminals and interfaces
Output L/MONO, Output R
Output Phones (phone jack)
Sustain, Foot volume
Breath control
MIDI IN, MIDI OUT, MIDI THRU

Dimensions and weight
990w x 320h x 105d (mm) / 39” x 12 5/8” x 4 1/8”
6.9Kg / 15.3lbs

Opening