1986 portatone van Yamaha - met 100 zeer bruikbare preset FM synthesizer sounds die met de effectknoppen te beïnvloeden zijn: sustain, vibrato, portamento(!) en Stereo Symphonic Stereo Chorus
Yamaha - PSS-460 - FM Synthesizer - Keyboard, Synthesizer - Catawiki
Yamaha PSS-270 Synthesizer
Yamaha - PSS-270 Voice Bank - 80's FM - - Keyboard-synthesizer - 1986 - Catawiki
Yamaha - PSS-280 - Keyboard - 1989 - Catawiki
レアYAMAHA porta sound pss-170
Yamaha PSS-270 Synthesizer
Yamaha - PSS-460 - FM Synthesizer - Keyboard, Synthesizer - Catawiki
Yamaha PSS-270 Synthesizer
Yamaha - PSS-460 - FM Synthesizer - Keyboard, Synthesizer - Catawiki