Korg Trinity

Korg Trinity
Dates 1995 ~ 1998
Technical specifications
Polyphony 32 voices
Timbrality 16 tracks
Synthesis type ACCESS (PCM-based)
Filter Bandpass and rejectfilter, Resonance
Storage memory -256 Combinations
-256 Programs
-128 Programs (MOSS-board)
Effects -110 effects
-8 simultaneous Insert and 2 Master effects
Keyboard 61, 76 or 88 keys with velocity and aftertouch
External control 4x Audio-output, headphones, MIDI in/out/thru, 3x pedal

Korg Trinity is a commercially successful synthesizer music workstation released by Korg in 1995. It was also the first workstation to offer modular expansion for not only sounds, but also studio-grade feature such as SCSI, ADAT, various sound engine processors, audio recording capability, and more.[1] It was considered one of the most comprehensive music workstations, in term of features, at the time.[2]

Ex-Dream Theater keyboardist Derek Sherinian in collaboration with KORG sound designer Jack Hotop created Sherinian's signature guitaristic lead sound on the Trinity in 1996.

Some say the Korg Triton is the definitive Trinity. This model was produced in 1999.[3]


There are 5 models and variations of both the main hardware synthesizer itself and a rackmount:


Any of the models could have the following variations:

Korg TR-Rack soundmodule (1998)
  1. Trinity: The basic 61-key Trinity synthesizer with ACCESS synth engine, and no MOSS boards (Prophecy or Z1) installed.
  2. Trinity Plus: Same as the Trinity, a 61-key synthesizer, however, with the SOLO-TRI Prophecy board installed (the "S" bank), using any Trinity OS below 3.00
  3. Trinity Pro: Same as the Trinity Plus, but with a 76-key keyboard (including the SOLO-TRI Prophecy board installed).
  4. Trinity ProX: Same as the Trinity Plus, but with an 88-key keyboard with piano action type (including the SOLO-TRI Prophecy board installed).
  5. Trinity V3: is not only OS 3.x, but shipped with the "MOSS-TRI" Z1 board installed (the "M" bank).
  6. SOLO-TRI: only works with OS 1 – 2.x and NOT 3.x, and the MOSS-TRI only works with 3.x and above. These cards cannot be installed at the same time as they occupy the same expansion bay.
  7. HDR-TRI: and SCSI-TRI cannot be installed at the same time as they occupy the same bay. (The HDR-TRI has all the feature of the SCSI-TRI)
  8. Any Trinity can have OS 3.x installed even if the MOSS-TRI is not installed but #3 applies. (The OS is user up and downgradable using floppies)
  9. The TR-Rack could be fitted with the DI-TRI option, which is an ADAT format-compatible digital output. This enables one to send the four audio output signals digitally to any mixer, signal processor, computer card or recorder equipped with this interface.


The Trinity workstation features a massive set of effects (100 Insert effects & 14 Master effects), a large graphic touchscreen (320x240) and a complete 16-track sequencer, as well as double sound generation system:

Along with the Korg Prophecy, the Korg Trinity synthesizer was a descendant of the original OASYS synthesizer, an acronym for Open Architecture Synthesis System, which was a mega-synth prototype that the company previewed in 1994 but never marketed. The foundation of the system was an open concept DSP system where the OS could load various unrelated models of different synthesis and physical modelling sound generators. It was a multiple digital signal processor (DSP) architecture, with the entire system clocking in at over 900 million instructions per second. Korg later adapted some of the core technologies and released three initial products: Trinity, Prophecy and Wavedrum.

Options for the machine included:

Korg Trinity V3

Notable users

See also


  1. Paul Wiffen - in Sound On Sound, January 1997
  2. Gordon Reid - in Sound On Sound, November 1995
  3. Vintage Synth Explorer
  4. Sound On Sound - Korg Trinity Preview
  5. Sound On Sound - Korg Trinity Plus
  6. Tony Visconti's interview in Sound On Sound, October 2003
  7. Korg.com - List of Artists
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