The Six-Trak is Sequential's beginner synth. It has typical Sequential sounds in an analog six oscillator, six voice synth. It is not fun to program, there is only one knob and you need to assign the parameter you wish to adjust to this knob. The assignment settings for the various parameters are listed in the center of the front panel. It does however feature MIDI with controllers for its parameters to make editing easier using a computer program such as Unisyn or other external MIDI controller.

The Six-Trak features two operational modes: Polyphonic Mode and Unison Mode. In Unison mode, with all six oscillators, this baby gets fat, rich, creamy and wild making it an excellent stand-in for Moog-like sounds. Also, the Six-Trak is capable of interesting and complex sound effects, mostly thanks to useful cross modulation and the six oscillators. It also includes a simple 6-channel on-board sequencer (of little usefulness these days). Its biggest limitations were: shortest attack too slow for really percussive sounds, smallest vco frequency adjustment too big for Zawinul-style subtle frequency envelopes & LFO, and the lack of built-in chorus, which would have helped to thicken the rather thin sounds in Polyphonic mode. The SixTrak can be fun and cool but is overshadowed by its cousin - the Multi-Trak. It is used by Überzone and Cirrus.

Lee

September 1, 2010 @ 9:14 pm

I need instruction manuals for the sequential six-trak & drum traks. I just recently brought them used and donot know how to operate them, do anyone have manuals or know where I can obtain manuals? Please contact me via e-mail.....lej.jenkins0@gmail.com

Lee

September 1, 2010 @ 9:08 pm

I recently brought a used sequential circuits six-trak & drum traks, I donot know how to operate them, do anyone have instruction manuals or know where I can obtain manuals? Please contact me via my e-mail address.

AnalogMike

June 9, 2010 @ 1:17 am

I bought this synth from Goodwill Thrift store today for 30 bucks. I got a killer deal and it sounds amazing. It is fast and easy to use among vintage synths. I love this guy and am amazed I only payed 30 dollars for this

relic

April 20, 2010 @ 9:41 pm

this synth gets an A+ for great pads and strings and FX. i also love the build! very sturdy metal with the classic wood sides. I love the look of it as well as the preset sounds. i don't mind the rubber buttons at all. I like the fact you have to work those buttons over and over to tweek the presets! I will never sell it. The seq is cool as well though i don't use it much. glad i went into guitar center that day. i found and old gem perfect for industrial / gothic music! i bet one wont show up again...lucky me! even got the manual with it. the synth is in mint condition. paid $250 talked them down from $385. the only issue was a crackle in the volume pot that was loud and fuzzy as well. i complained about it to get the price down. hit it with deoxit when i got home and the noise is gone!.. ha!!!!

ed

March 25, 2010 @ 8:20 pm

These performance complaints can be addressed through modification and circuit bending of the original six-trak circuits, ie.) capacitor value modifications of the LFO circuit, S&H's, envelope attack is a reactive component, and so the resistor and capacitor will produce the slope. Go with a smaller cap for quicker attack, or modify the pot value somehow. Chorus would be a feedback loop, with a summing amplifier, and a pot to control the feedback amount and volume, to which Lfo could be summed as well, producing much more variation in tones. See circuit bending on You Tube, maybe somebody has already done what you want and you can just copy them.

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