audiobriefs
10:08in productionCh. 1 · Three Synths, Two Zones/ 10:08 · ceiling 15 min
Synths & drum machines · Instruments

Korg Trident

Three synths in one box — but no memory, no velocity, and no way to escape the joystick.

The Korg Trident is a 1980 subtractive synthesizer with eight-note polyphony, integrating three independent sections — polyphonic, string, and brass — into one keyboard. It allows assignment to two keyboard zones, includes a flanger effect and joystick for pitch and modulation. The 1982 MkII revision added memory, improved stability via better heat-sinking and power supply, and separate ADSR envelopes for filter and VCA — unlike the MkI’s shared envelope. It does not use effects or sample+synthesis, despite KORG pioneering both elsewhere.

Chapters & takeaways4
  1. 1:14
    Three Synths, Two Zones

    Three independent sections — polyphonic, string, and brass — assigned across two keyboard zones.

  2. 2:45
    What Each Section Does

    Eight-note polyphony with dual VCOs; string section has ensemble + A/R; brass has its own filter and ADSR.

  3. 4:05
    MkII Fixes What MkI Couldn’t

    MkII adds memory, blank presets, thermal stability, and split filter/VCA envelopes — without changing the sound.

  4. 5:38
    Not Their First Innovation

    KORG pioneered onboard effects and sample+synthesis — but the Trident uses neither.

Worth your time?

Yes. Use the whole thing.

3.5/ 5
What works
  • three-section integration
  • hands-on flanger and joystick control
  • MkII’s split ADSR and blank presets
What does not
  • use sample+synthesis
  • have MIDI
  • support velocity sensitivity
  • offer more than two keyboard zones
Use it if
  • players who build sounds live
  • those who prefer physical section switching over digital layering
Skip it if
  • users needing patch recall
  • anyone relying on stable tuning in extended sessions
The written brief1 min read

What it is and what it was built for

A 1980 subtractive synthesizer built to deliver layered, section-based textures live — not to emulate orchestras or replace pianos.

How it works, in terms a player would use

It gives you three independent sound engines — polyphonic, string, and brass — each with its own controls, filters, and envelopes. You assign them to two keyboard zones. The joystick bends pitch and adds modulation. The flanger effect is always in the signal path. The MkII adds memory, blank presets, and separate ADSR envelopes for filter and VCA.

What it does better than anything else

It integrates string ensemble, brass, and polysynth voices with dedicated signal paths and effects in one instrument — before any other synth did that.

What it does badly

It cannot store sounds on the MkI. The shared ADSR on the MkI forces compromises between filter and amplitude shaping. Keyboard zoning is limited to two regions. There is no velocity sensitivity or aftertouch.

What people made with it

The sources do not state what people made with it.

Who should use it, and who should not

Players who value tactile, real-time section switching and are comfortable with manual sound building. Not for users who rely on preset libraries, DAW integration, or stable tuning across long sessions.

Is it worth your time

Yes — if you want a hands-on, section-switching workflow that predates modern layering conventions. No — if you need recallable patches, consistent tuning, or deep per-voice editing.

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