The DX27 is a 4-operator FM synthesizer with 8 available algorithms. It is a version of the Yamaha DX100 with full-size keys (but no velocity or aftertouch) and contains all of the same sounds. There is also a version with built-in speakers, the DX27S .
Thanks to Paul Read for the service manual and schematics.
Specifications Year Released : 1986
MSRP : 695.00 USD
Keyboard : 61 keys
Polyphony : 8 notes
Preset Patches : 192
User Patches : 24
Screen : 16 x 2 character LCD
Dimensions : 909 mm x 270 mm x 82 mm
Weight : 7.5 kg
User Demo Videos VIDEO
Rating File Downloads Yamaha DX27 Manual (1 of 2)
Yamaha DX27 Manual (2 of 2)
Yamaha DX27 and DX100 Voice Programming Guide
Yamaha DX27 and DX100 Service Manual
Yamaha DX27 and DX100 Schematics
Items for Sale on Reverb Yamaha DX27 Programmable Algorithm Synthesizer - 1985 - Serviced, Tested, Works ($350)
Yamaha DX27 Programmable Algorithm Synthesizer 1985 - Black ($220)
Yamaha DX27 Programmable Algorithm Synthesizer - Local Pickup Only ($219)
Yamaha DX27 1985 - Brown ($225)
Yamaha DX27 ($355.68)
Yamaha DX27 FM Synthesizer 1985 W/EXTRAS ($250)
Yamaha DX27 Programmable Algorithm Synthesizer Used in Good condition ($235)
Yamaha DX27 Programmable Algorithm Synthesizer ($200)
Yamaha DX27 synthesizer brochure ($53.35)
Yamaha DX27 Programmable Algorithm Synthesizer 1985 - Black ($199)
YAMAHA DX27 FM Vintage 80's Polyphonic Digital Synthesiser W/ MIDI ($370.17)
Yamaha DX27 FM Vintage 80's Polyphonic Digital Synthesiser W/ MIDI ($390.07)
Yamaha DX-27 Digital Programmable Synthesizer - Tested - Local Pick Up Only ($249.95)
Yamaha DX27 61-Key Digital Programmable Algorithm Synthesizer Made in Japan MIJ ($395)
Yamaha Touche Clé DX27 DX 21 CS CE Series DX9 SK20 CS5 Replacement original Key ($10.55)
YAMAHA DX9 DX21 DX27 Original Top-C Key. ($14.99)
Data Cassette and Data Dump Wiring Harness for the Yamaha DX27 Programmable Algorithm Synthesizer 1985 - Black ($50)
Yamaha Dx100 / Dx27 Firmware Os Version 1.1 Dx 100 Dx 27 ($17.72)
Yamaha DX27S Programmable Algorithm Synthesizer with Speakers 1985 - Black ($426.82)
Yamaha DX27S Programmable Algorithm Synthesizer with Speakers 1985 - Black ($299)
Yamaha DX27s ($331.97)
ORIGINAL Yamaha Replacement A Key (CB032250) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($10.95)
ORIGINAL Yamaha Replacement Black Key (CB032270) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($7.95)
ORIGINAL Yamaha Replacement Black Key (CB032270) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($7.95)
ORIGINAL Yamaha Replacement D Key (CB032220) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($10.95)
ORIGINAL Yamaha Replacement Black Key (CB032270) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($7.95)
ORIGINAL Yamaha Replacement Black Key (CB032270) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($7.95)
ORIGINAL Yamaha Replacement Black Key (CB032270) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($7.95)
ORIGINAL Yamaha Replacement Black Key (CB032270) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($7.95)
ORIGINAL Yamaha Replacement D Key (CB032220) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($10.95)
ORIGINAL Yamaha Replacement G Key (CB032240) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($10.95)
ORIGINAL Yamaha Replacement G Key (CB032240) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($10.95)
ORIGINAL Yamaha Replacement Black Key (CB032270) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($7.95)
ORIGINAL Yamaha Replacement C/F Key (CB032210) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($10.95)
ORIGINAL Yamaha Replacement Black Key (CB032270) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($7.95)
ORIGINAL Yamaha Replacement G Key (CB032240) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($10.95)
ORIGINAL Yamaha Replacement TOP C Key (CB032260) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($18.95)
ORIGINAL Yamaha Replacement Black Key (CB032270) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($7.95)
ORIGINAL Yamaha Replacement G Key (CB032240) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($10.95)
ORIGINAL Yamaha Replacement Black Key (CB032270) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($7.95)
ORIGINAL Yamaha Replacement D Key (CB032220) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($10.95)
ORIGINAL Yamaha Replacement G Key (CB032240) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($10.95)
ORIGINAL Yamaha Replacement Key Spring (AA043720) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($1.95)
ORIGINAL Yamaha Replacement A Key (CB032250) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($10.95)
ORIGINAL Yamaha Replacement E/B Key (CB032230) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($10.95)
ORIGINAL Yamaha Replacement A Key (CB032250) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($10.95)
ORIGINAL Yamaha Replacement A Key (CB032250) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($10.95)
ORIGINAL Yamaha Replacement D Key (CB032220) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($10.95)
ORIGINAL Yamaha Replacement D Key (CB032220) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($10.95)
ORIGINAL Yamaha Replacement A Key (CB032250) for CS70M, CS5, CS15, CS15D, CS20, CS20M, CS40M, DX9, DX21, DX27, DX27S, SK20, SK30, CP10, CP11, CE20, PS10, PS20, YK10, and more ($10.95)