SynthsYamaha ⇝ Yamaha DX27

Yamaha DX27

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.


Year Released: 1986

MSRP: $695

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


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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 DX27S Original Owner's ManualYamaha DX27 DX27S Original Owner's Manual ($20)