3-VCO and Ladder Filter Analog Poly Synth

Ready for the spotlight

Step into the spotlight with a sound that demands attention. The Trigon-6’s bold 3-oscillator design ensures you’ll make a powerful impression, while the enhanced ladder filter provides precise sound shaping for sonic success in any situation.

Trigon-6 redefines an iconic sound from the golden age of synthesizers, elevating it to brand new heights. This enduring voice design has garnered widespread acclaim from musicians around the world, and now with Sequential’s enhancements, Trigon-6 empowers you to create truly exceptional, attention-grabbing sounds that take control of your mix. 

Sometimes more is more. With three oscillators, you can already achieve advanced sound design goals, but Sequential didn’t stop there. And when you choose to take your sound completely over the top, Trigon-6 allows you to combine triangle, saw, and pulse waves simultaneously per oscillator for a truly massive tonal palette. 

Considered one of the best sounding filter types ever designed, the ladder is renowned for its powerful and full-bodied tone. With the addition of drive and feedback controls, you can easily transition from creamy to crunchy with the twist of a knob, and the ability to switch between 4-pole and 2-pole operation provides even greater control over the filter’s response and character. 

REMOVE THE CSS ID ‘hidetab’ ON THE TAB TO SHOW THIS DEMO SONG TAB

Sequential’s Trigon-6 is a premium modern analog polysynth. Its rich character and intuitive knob-per-function control make it a standout in the studio, onstage, and in your mix. Listen to how it delivers. 

Steal the show

Take center stage with Trigon-6, a powerful analog polysynth that exudes character and leaves an unforgettable sonic impression.

Make your mark

With Trigon-6’s easy knob-per-function layout, it’s fast and easy to tweak your settings on the fly, perfect for live performances and spontaneous creativity. Get right to what matters most – making your impact on today’s music. 

Compact colossus

The Trigon-6 desktop module offers the same colossal sound and hands-on sonic control as the keyboard. Despite its compact size, it boasts the identical six-voice polyphonic power, and for those craving even more polyphony, the poly chain feature allows you to link two Trigon-6s, creating an attention-grabbing 12-voice synth! 

Nick Batt of Sonicstate reviews the Sequential Trigon-6

“[A] whole load of unique features and a unique ballsy character.”

Nick Batt, Sonicstate –
YouTube Creator, Media Publication

“The resulting sound makes it, scientifically speaking, quite a beast.”

Loopop –
YouTube Creator

MusicRadar logo

“…easily earns its place on the classic synth podium.”

MusicRadar –
Media Publication

Trigon-6 Specifications

  • Three discrete VCOs per voice 
  • Simultaneously selectable wave shapes: triangle, sawtooth, reverse sawtooth, and variable-width pulse 
  • Hard sync: oscillator 1 syncs to oscillator 2 
  • Keyboard tracking on/off and low frequency mode (oscillator 3) 
  • Oscillator feedback and drive controls for increased signal saturation 
  • White Noise source 
  • Switchable two/four-pole, discrete, resonant, low-pass, ladder filter per voice 
  • Filter can be driven into self-oscillation with the Resonance control 
  • Filter Keyboard tracking: off, half, full
  • Four-stage (ADSR) Filter envelope generator 
  • Four-stage (ADSR) Amp envelope generator 
  • Velocity modulation of envelope amounts, with bi-polar filter envelope amount 
  • Five LFO wave shapes: sine, sawtooth, reverse sawtooth, square, and random (sample and hold) 
  • LFO sync 
  • LFO Initial amount 
  • LFO Mod destinations: oscillator 1 frequency, oscillator 2 frequency, oscillator 3 frequency, oscillator 1 pulse width, oscillator 2 pulse width, oscillator 3 pulse width, filter cutoff, amp (VCA) 
  • Poly Mod sources: oscillator 3 (bi-polar) and filter envelope (bi-polar) 
  • Poly Mod destinations: oscillator 1 frequency, oscillator 2 frequency, oscillator 3 frequency, oscillator 1 pulse width, oscillator 2 pulse width, filter cutoff, feedback amount 
  • Vintage knob recreates classic synth characteristics by adding voice-to voice variations in component behavior
  • Master clock with tap tempo 
  • BPM control and display 
  • MIDI clock sync 
  • Selectable arpeggiator note value: 16th note, 8th note triplet, 8th note, dotted 8th note, quarter note 
  • Arpeggiator: One, two, or three octave range 
  • Arpeggiator: Up, down, up/down, random, and assign modes 
  • Polyphonic step sequencer with up to 64 steps and rests 
  • Stereo analog distortion 
  • Dual, 24-bit, 48 kHz digital effects, including: reverb (room, hall, plate, spring), delay (full bandwidth digital delay and emulated bucket brigade), chorus, flanger, phase shifter, and ring modulator 
  • Delay sync to tempo 
  • True bypass maintains fully analog signal path when digital effects are off 
  • Full-sized, semi-weighted, 4-octave keyboard with velocity and aftertouch (keyboard version)
  • Channel (mono) aftertouch with bi-polar amount 
  • Aftertouch destinations: oscillator 1 frequency, oscillator 2 frequency, oscillator 3 frequency, LFO amount, amplifier envelope amount, filter envelope amount, FX mix A, FX mix B 
  • Backlit pitch and mod wheels (keyboard version)
  • Spring-loaded pitch wheel with selectable range per program (1 to 12 semitones up and down) (keyboard version)
  • Transpose controls for an 8-octave range (keyboard version)
  • Hold switch latches held notes on 
  • Polyphonic glide (portamento)
  • Unison (monophonic) mode with configurable voice count, from one to all six voices, chord memory, and key modes 
  • Preset switch: when off, the front panel is live — what you see is what you hear 
  • 500 user and 500 factory programs in 10 banks of 100 programs each 
  • Direct program access, including single-button access to the current set of 10 programs 
  •  
  • 31.8” L x 12.7” W x 4.6″ H (80.7 cm x 32.3 cm x 11.7 cm) 
  • 20 lbs (9.5 kg) 
  • Maple end panels 
  • Left/mono and right audio outputs (2 x 1/4” jack) 
  • Headphone output (stereo, 1/4” jack) 
  • MIDI in, out, and thru ports 
  • USB for bidirectional MIDI communication 
  • Filter cutoff expression pedal input 
  • Volume expression pedal input 
  • Sustain footswitch input 
  • Sequencer start/stop footswitch input
  • IEC AC power inlet for internal power supply 
  • Operates worldwide on voltages between 100 and 240 volts at 50 to 60 Hz; 30 watts maximum power consumption 

Aftertouch

Closeup of the Trigon-6 Aftertouch section

The Trigon-6’s aftertouch is finely tuned and highly expressive, enabling you to infuse your performance with nuance. Pro tips: Experiment with modulating the reverb FX Mix to add extra dimension to your pad swells or apply aftertouch subtly to your oscillator frequencies to enable a natural feeling string bend.

LFO

Closeup of the Trigon-6 LFO section

Bring your sound to life with a wide range of modulation waveforms. And unlike most LFO’s, you can operate Trigon’s at audio rate, producing sounds with a distinctly modern edge. 

Enhanced Ladder Filter

Closeup of the Trigon-6 Filter section

Ladder filters have been featured in countless hit songs, and their sound is instantly recognizable to many synth aficionados. The Trigon-6’s enhanced ladder filter delivers a powerful, resonant character and is capable of producing a wide range of sounds, from subtle warmth to aggressive distortion. 

Poly Mod

Closeup of the Trigon-6 Poly Mod section

With Poly Mod you can dive right into FM effects, audio-rate filter modulation, sync sweeps and more by easily routing different modulation sources to destinations like oscillator and filter frequencies, creating brand new sounds bursting with character. 

Glide & Unison

Closeup of the Trigon-6 Glide and Unison section

In addition to the common Glide Time mode, Trigon-6 offers Glide Rate, which changes the note transition duration based on the distance between the starting and ending notes. This is useful for emulating some vintage synths but can also be used for experimental music with uncertain transition times. 

Unison mode transforms the Trigon-6 into a powerful monophonic synthesizer, allowing you to stack up to six voices on one note for an incredibly dense sound. Tame the beast by controlling the number of voices, note priority, and by adjusting the oscillator detune amount. 

Wheels

Closeup of the Trigon-6 Wheels section

The Trigon-6 features great feeling Pitch and Mod wheels, with speedy adjustments for altering your bend range or even assigning intense timbral modulations using the LFO set to audio rate.

Oscillators

Closeup of the Trigon-6 Oscillator section

Blend different waveforms from each oscillator AND select up to 3 shapes per oscillator for over 600 starting combinations for your tone. 

Program Select & Globals

Closeup of the Trigon-6 Program Select and Global section

The Trigon-6 is packed with 500 user and 500 factory programs, crafted by some of the world’s top sound designers.   

Global settings control system-wide parameters and functions, giving you full command of customizing your synth’s behavior. 

Keyboard

Closeup of the Trigon-6 Keyboard

Trigon-6 boasts a premium-quality 4-octave, 49-key Fatar keyboard, offering exceptional playability and expression. With its finely tuned velocity and aftertouch sensitivity, you have precise command over your dynamic and nuanced performances.

Clock

Closeup of the Trigon-6 Clock section

Trigon-6’s clock serves as the central tempo control, ensuring that all your rhythmic synthesis and playback elements remain perfectly in sync. And with the addition of Tap Tempo, keeping time with your bandmates is easier than ever.

Effects

Closeup of the Trigon-6 Effects section

The Trigon-6 adds dimension and versatility to its classic tone by enabling you to apply up to two digital effects to any program. Select from a range of vintage-inspired and modern emulations to provide just the right depth, space, and texture for today’s genres and styles.

Arpeggiator & Sequencer

Closeup of the Trigon-6 Arpeggiator and Sequencer section

The Arpeggiator enables the creation of interactive musical phrases, while the Sequencer allows you to capture spontaneous musical ideas without ever leaving your instrument.

Additional Parameters

Closeup of the Trigon-6 Additional Parameters section

Located in the Additional Parameters section, the Trigon-6’s stereo analog Distortion effect adds warmth, harmonic complexity, and a powerful presence to your sounds. 

The Vintage knob introduces subtle variations between voices, capturing the organic warmth and character of classic analog synthesizers. 

As you increase the Pan Spread, the voices gradually pan left and right, in alternating directions, to create a wide and immersive stereo field. 

The Program Volume knob lets you adjust the volume of individual programs, ensuring they are balanced within your custom sound bank.

MIDI

Closeup of the Trigon-6 MIDI jacks

The Trigon-6 offers both standard MIDI in/out/thru connections and USB MIDI. You can enable individually and choose which types of MIDI messages to send, for seamless control of your studio. 

Inputs

Closeup of the Trigon-6 Input jacks

The Trigon-6’s Input jacks open a world of expression by letting you connect foot pedals to control sustain, volume, filter sweeps, and even launch sequences.  

Outputs

Closeup of the Trigon-6 Output jacks

Trigon-6 features left and right stereo outputs, along with a headphone output, allowing you and your audience to enjoy a wider, more immersive soundstage. Use the pan spread feature to fan all six voices out individually and experience the detailed response of the onboard stereo reverb. 

LFO

Closeup of the Trigon-6 desktop module LFO section

Bring your sound to life with a wide range of modulation waveforms. And unlike most LFO’s, you can operate Trigon’s at audio rate, producing sounds with a distinctly modern edge. 

Poly Mod

Closeup of the Trigon-6 desktop module Poly Mod section

With Poly Mod you can dive right into FM effects, audio-rate filter modulation, sync sweeps and more by easily routing different modulation sources to destinations like oscillator and filter frequencies, creating brand new sounds bursting with character. 

Glide & Unison

Closeup of the Trigon-6 desktop module Glide and Unison section

In addition to the common Glide Time mode, Trigon-6 offers Glide Rate, which changes the note transition duration based on the distance between the starting and ending notes. This is useful for emulating some vintage synths but can also be used for experimental music with uncertain transition times. 

Unison mode transforms the Trigon-6 into a powerful monophonic synthesizer, allowing you to stack up to six voices on one note for an incredibly dense sound. Tame the beast by controlling the number of voices, note priority, and by adjusting the oscillator detune amount. 

Oscillators

Closeup of the Trigon-6 desktop module Oscillator section

Blend different waveforms from each oscillator AND select up to 3 shapes per oscillator for over 600 starting combinations for your tone. 

Program Select & Globals

Closeup of the Trigon-6 desktop module Program Select and Global section

The Trigon-6 is packed with 500 user and 500 factory programs, crafted by some of the world’s top sound designers.   

Global settings control system-wide parameters and functions, giving you full command of customizing your synth’s behavior. 

Filter

Closeup of the Trigon-6 desktop module Filter section

Ladder filters have been featured in countless hit songs, and their sound is instantly recognizable to many synth aficionados. The Trigon-6’s enhanced ladder filter delivers a powerful, resonant character and is capable of producing a wide range of sounds, from subtle warmth to aggressive distortion. 

Clock

Closeup of the Trigon-6 desktop module Clock section

Trigon-6’s clock serves as the central tempo control, ensuring that all your rhythmic synthesis and playback elements remain perfectly in sync. And with the addition of Tap Tempo, keeping time with your bandmates is easier than ever.

Effects

Closeup of the Trigon-6 desktop module Effects section

The Trigon-6 adds dimension and versatility to its classic tone by enabling you to apply up to two digital effects to any program. Select from a range of vintage-inspired and modern emulations to provide just the right depth, space, and texture for today’s genres and styles.

Arpeggiator & Sequencer

Closeup of the Trigon-6 desktop module Arpeggiator and Sequencer section

The Arpeggiator enables the creation of interactive musical phrases, while the Sequencer allows you to capture spontaneous musical ideas without ever leaving your instrument.

Aftertouch

Closeup of the Trigon-6 desktop module Aftertouch section

The Trigon-6’s aftertouch response is finely tuned and highly expressive, enabling you to infuse your performance with nuance. Pro tips: Experiment with modulating the reverb FX Mix to add extra dimension to your pad swells or apply aftertouch subtly to your oscillator frequencies to enable a natural feeling string bend.

Additional Parameters

Closeup of the Trigon-6 desktop module Additional Parameters section

Located separately in the Master section, the Trigon-6’s stereo analog Distortion effect adds warmth, harmonic complexity, and a powerful presence to your sounds. 

The Vintage knob introduces subtle variations between voices, capturing the organic warmth and character of classic analog synthesizers. 

As you increase the Pan Spread, the voices gradually pan left and right, in alternating directions, to create a wide and immersive stereo field. 

The Program Volume knob lets you adjust the volume of individual programs, ensuring they are balanced within your custom sound bank.

MIDI

Closeup of the Trigon-6 desktop module MIDI jacks

The Trigon-6 offers both standard MIDI in/out/thru connections and USB MIDI. You can enable individually and choose which types of MIDI messages to send, for seamless control of your studio. 

Inputs

Closeup of the Trigon-6 desktop module Input jacks

The Trigon-6’s Input jacks open a world of expression by letting you connect foot pedals to control sustain, volume, filter sweeps, and even launch sequences.  

Outputs

Closeup of the Trigon-6 desktop module Output jacks

Trigon-6 features left and right stereo outputs, along with a headphone output, allowing you and your audience to enjoy a wider, more immersive soundstage. Use the pan spread feature to fan all six voices out individually and experience the detailed response of the onboard stereo reverb. 

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Some of our products can expose you to chemicals including BPA, which is known to the State of California to cause cancer and birth defects or other reproductive harm.

Though independent laboratory testing has certified that our products are several orders of magnitude below safe limits, it is our responsibility to alert you to this fact and direct you to https://www.p65warnings.ca.gov for more information.