The PortaSound PS-55 was released at the same time as the PortaSound PS-35 and is the higher-end model of the two.
Year Released: 1983
Keyboard: 49 keys
Preset Patches: 32
ROM: 32 sounds, 16 rhythms
Dimensions: 980 mm x 236 mm x 85 mm
Weight: 5.6 kg without batteries
This keyboard has built-in 5-watt stereo speaker(s).
Batteries: 6 x D
Video: Yamaha PS-55 (Portasound) - Silver ($150)
Yamaha PS 55 1990's ($172.22)
Yamaha Portatone PS55 Vintage Synth 80s Synthpop Electro LoFi ps35 casiotone ct7000 analog fm ($149.23)
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