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Story

The DX7, a classic FM synth, gets a make-over. Internally, the biggest improvement is the updated 16-bit digital circuitry for cleaner and much less noisy sound quality. Patch memory has also been doubled from 32 to 64 voices. Additional general improvements include enhanced MIDI support, micro-tuning capabilities, aftertouch controlled pitch bending, and multiple LFOs.

The DX7IID model also added bi-timbrality with keyboard split and layering capabilities. This allows two voices to be layered in dual mode, providing very rich combinations of sounds that would otherwise be impossible with the original DX7. Voices could also be split across the keyboard, for a two part multi-timbral performance capability; again, impossible with the original DX7 (or the DX7S, as the S stands for single timbre).

The DX7IIFD added a Floppy Drive (that's what the FD stands for) offering one megabyte of memory space (equal to 40 RAM cartridges) for thousands of voices, fractional scaling, SysEx data and more.

Like the DX7, these updated models may have been used by The Crystal Method, Kraftwerk, Underworld, Orbital, Talking Heads, Brian Eno, Depeche Mode, D:Ream, Front 242, U2, A-Ha, Enya, The Cure, Stabbing Westward.

Specifications

Polyphony - 16 voices (8 voices in Dual mode)

Oscillators - FM Tone Generator (6 operators and 32 algorhythms)

LFO - Sine/Square/Tri/SAW up/SAW Down/Random

Filter - None

VCA - 6 Envelope generators 8 parameters each

Keyboard - 61 keys, Velocity and Aftertouch

Memory - Internal: 64 voices/32 performances, external: 128 voices/64 performances

Control - MIDI IN/OUT/THRU

Polyphony: 16 Voices

Oscillators: 16-bit Digital 6 operator FM.

# Instruments: (1) Monotimbral LFO - Sine/Square/Tri/SAW up/SAW Down/Random

VCA: 6 Envelope generators 8 parameters each

Keyboard: 61 keys (w/ velocity and aftertouch)

Memory: 32 Patches

Control: MIDI 

Manual

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