Yamaha Automatic Bass Chord System in Hessen - Stadtallendorf | Musikinstrumente und Zubehör gebraucht kaufen | eBay Kleinanzeigen ist jetzt Kleinanzeigen
![File:Yamaha PortaSound PS-20 with ABCS (Automatic Bass Chord System) playing with foot.jpg - Wikipedia File:Yamaha PortaSound PS-20 with ABCS (Automatic Bass Chord System) playing with foot.jpg - Wikipedia](https://upload.wikimedia.org/wikipedia/commons/5/5c/Yamaha_PortaSound_PS-20_with_ABCS_%28Automatic_Bass_Chord_System%29_playing_with_foot.jpg)
File:Yamaha PortaSound PS-20 with ABCS (Automatic Bass Chord System) playing with foot.jpg - Wikipedia
1981 Yamaha PS-20 Automatic Bass Chord System Analog Polyphonic Synth in White Great condition Works great 49 keys 10-voice… | Instagram
![1980's Keyboard YAMAHA PS-20 Automatic Bass Chord System, Hobbies & Toys, Music & Media, Musical Instruments on Carousell 1980's Keyboard YAMAHA PS-20 Automatic Bass Chord System, Hobbies & Toys, Music & Media, Musical Instruments on Carousell](https://media.karousell.com/media/photos/products/2019/10/16/1980s_keyboard_yamaha_ps20_automatic_bass_chord_system_1571213534_1d228060_progressive.jpg)