A stripped-down version of the MK-100 was released as the Yamaha PortaSound PSS-450.
Year Released: 1983
Keyboard: 49 mini keys
Polyphony: 8 notes
ROM: 12 sounds, 12 rhythms
Yamaha Portasound MK-100 Vintage Synthesizer Keyboard | Clean in Open Box ($225)
Yamaha Portasound MK-100 ($125)
Yamaha PortaSound MK-100 ($120)
Yamaha PortaSound MK-100 1984 ($200)
Power Supply Replacement for YAMAHA MK-100 KEYBOARD ADAPTER UK 12V ($14.53)
Yamaha MK100 MK2 / MKii - Pinch Roller, Belt Replacement Kit ($30.94)
Yamaha MK100 MK2 / MKii - Pinch Roller Replacement Kit ($12.07)
Yamaha MK100 MK2 / MKii - Belt Replacement Kit ($22.64)
Yamaha CMX100 Mk, Mk2, Mk3 *Belt Replacement Kit* ($18.11)
Yamaha CMX100 Mk1, Mk2, Mk3 *Belt + Pinch Roller Replacement Kit* ($24.90)
Yamaha CMX100 MK1, MK2, MK3 *Pinch Roller Replacement* ($12.07)
Yamaha CMX100 Mk, Mk2, Mk3 *Belt Replacement Kit* ($18.11)
Yamaha MT100 Mk1, Mk2 *Belt Replacement Kit* ($18.11)
Yamaha MT100 Mk1, Mk2 *Belt + Pinch Roller Replacement Kit* ($25.66)
Yamaha MT100 Mk1, Mk2 *Pinch Roller Replacement* ($12.07)
Yamaha CMX-100 MK2 / MKii - Belt, Pinch Roller Replacement Kit ($26.41)
Yamaha CMX-100 MK1 / MKi - Belt, Idler Tire, Pinch Roller Replacement Kit ($36.22)
Yamaha CMX-100 MK2 / MKii - Belt, Idler Tire, Pinch Roller Replacement Kit ($36.22)
Yamaha MT100 MK1 / MKi - Pinch Roller, Belt Replacement Kit ($30.94)
Yamaha CMX-100 MK1 / MKi - Belt, Pinch Roller Replacement Kit ($26.41)
Yamaha CMX-100 MK2 / MKii - Pinch Roller Replacement Kit ($12.07)
Yamaha CMX-100 MK2 / MKii - Idler Tire Replacement Kit ($13.58)
Yamaha CMX-100 MK1 / MKi - Belt Replacement Kit ($17.36)
Yamaha CMX-100 MK1 / MKi - Pinch Roller Replacement Kit ($12.07)
Yamaha CMX-100 MK3 / MKiii - Belt Replacement Kit ($17.36)
Yamaha CMX-100 MK3 / MKiii - Pinch Roller Replacement Kit ($12.07)
Yamaha CMX-100 MK2 / MKii - Belt Replacement Kit ($17.36)
Yamaha MT100 MK1 / MKi - Belt Replacement Kit ($22.64)
Yamaha CMX-100 MK1 / MKi - Idler Tire Replacement Kit ($13.58)
Yamaha CMX-100 MK3 / MKiii - Belt, Idler Tire, Pinch Roller Replacement Kit ($36.22)
Yamaha CMX-100 MK3 / MKiii - Idler Tire Replacement Kit ($13.58)
Yamaha CMX-100 MK3 / MKiii - Belt, Pinch Roller Replacement Kit ($26.41)
Yamaha MT100 MK1 / MKi - Pinch Roller Replacement Kit ($12.07)
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