Selling a very cool retro Retro Yamaha PortaSound Ps-3 Analog keyboard. The PortaSound PS-3 was released at 1980 and is the high-end model of the line. It's an analog keyboard that generates sound using filtered square waves. You really get a lot with this surprising vintage analog keyboard sound. It boasts a lot of notes also polyphony + various rhythms in Yamaha's higher-end vintage keyboards. The special effects are cool. Volume knob has some crackling sound. The Yamaha PortaSound Ps-3 keyboard.also has a real stereo amp and speaker built in. Also a nice eighties suitcase, Specifications: Year Released: 1980 Keyboard: 44 mini keys Polyphony: 8 notes ROM: 9 sounds, 4 rhythms Power Consumption: 6 watts Dimensions: 56 cm x 14 cm x 6 cm Weight: 4 kg This keyboard has built-in 2-watt speaker. Batteries: 6 x C Shipping method PostNL (international bidders are welcome) From a smoke and pet free home.