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Keyboards & MIDI > Sound Modules & Samplers > Table Top Synths > Dave Smith Instruments Tetra

Dave Smith Instruments Tetra

Item ID: Tetra

Compact Polyphonic Desktop Synthesizer with 4 voices, 128 Programs, Individual Voice Outputs, Support for up to 16-voice Polyphony, and Mac/PC Editor Software

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From Our Research Team:

Insane Polyphonic Analog Synth Sounds - Insanely Affordable!

Heads up, analog synth fanatics: the Tetra is about to shake up your world. This way-cool, way-portable synthesizer from Dave Smith Instruments gives you that unmistakable 100% analog sound, with - get this - four voices. You've got individual outputs for each voice, for uber-flexibility. And if you want to go radical, you can use Tetra's "Combo Mode" to combine four programs into unison or poly "super patches." Cooler yet, you can even poly chain Tetras - or a Prophet '08 - to give yourself up to 16 voices of polyphony.







Tetra gives you the hook up with two oscillators per voice - sawtooth, triangle, saw/triangle, or square with variable pulse width. You've also got three envelope generators per voice and two sub-octave generators per voice, to reign in that sound you're looking for. All in all, the compact Tetra is your source for sweet, all-analog synthesized madness - and it's got USB for serious recording/performance workflow integration. The awesomeness becomes clearer when you consider it this way: with this little guy, you've got four of Dave Smith Instrument's wicked little Mophos built into one... at seriously thumbs-up value. Way to go, Dave Smith Instruments. Way to go, Tetra.

Dave Smith Instruments Tetra Compact Analog 4-voice Synthesizer Features:
  • Multitimbral four-voice analog synthesizer
  • 100% analog signal path
  • Two oscillators per voice (sawtooth, triangle, saw/triangle, square with variable pulse width)
  • with hard sync
  • One classic Curtis lowpass filter (switchable 2- or 4-pole) per voice with audio rate
  • modulation, self-oscillating in 4-pole mode
  • Analog VCAs
  • Three envelope generators (ADSR plus delay) per voice
  • Two sub-octave generators (one octave down and two octaves down) per voice
  • Feedback loop per voice with programmable level and gain
  • White noise generator
  • 4 LFOs per voice
  • Gated 16 x 4 step sequencer (one sequence per program)
  • Arpeggiator
  • Glide (portamento): separate rates per oscillator
  • Fully programmable (free downloadable software editor for Mac OS and Windows)
  • Dimensions: 7.9" L x 5" W x 2.7" H (20.07 cm x 12.7 cm x 6.86 cm)
  • Weight: 1.8 lb. (0.81 kg)
  • Ins and Outs
  • USB type B receptacle
  • MIDI In, Out/Thru, and Poly Chain
  • Audio outputs 1/Left, 2/Right, 3, and 4: 1/4" unbalanced
  • Headphone output: 1/4" stereo phone jack
  • Includes power supply for 100V - 240V AC operation and operation manual

The Dave Smith Instruments Tetra analog synthesizer gives you that must-have analog sound with four voices of polyphony!
Specification Detail
Sound Engine Type(s) Analog
Polyphony 4 Notes
Number of Presets 512
Expansion Poly Chain Out
Number of Effects 0
Effects Types No Effects
Arpeggiator Yes
Sampling No
MIDI Sequencer 16 x 4 Step Sequener
USB MIDI
Number of Audio Inputs 0
Audio Input Types No Audio Inputs
Number of Audio Outputs 5
Audio Output Types 4 x TS, 1 x TRS (Headphone)
Number of Digital Inputs 0
Digital Input Types No Digital Inputs
Number of Digital Outputs 0
Digital Output Types No Digital Outputs
MIDI I/O In, Out, and USB
Height 2.7"
Width 7.9"
Depth 5"
Weight 1.8 lbs.
Power Supply 13-15 VDC 450 mA (Included)
Manufacturer Part Number DSI-1204

Tetra Image Gallery

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Reviews

based on 5 reviews

Best analog poly synth (currently) on the market

by Josev F. from boulder, co
May 13, 2010
Music Background: musician
I've been through every step within the DSI product line, and have to say the Tetra is a homerun, the best thing they've done since the Evolver in terms of product capability, price point, and quality... read more [+]. It's a 4-part multi-timbral analog powerhouse with more modulation capabilities than a modular frankensynth at 4x this little guy's price. The editor has a few bugs, but nothing that you can't work around, and I'm sure this stuff will get ironed out as the product matures. Otherwise, I'm in love. The only thing I'd want more is a keyboard version! close [-]

In some respects more powerful than a modular

by josh from Portland, Oregon
March 29, 2013
Music Background: hobbyist
This synth should appeal to sound designers and or programmers that want to get deep into programming. I generally dislike presets that come with synthesizers and I found few presets on the Tetra that... read more [+] I liked, this is actually a blessing because I (over the good two years I have had it) have been able to create anything from a vintage Crumar performer string synth to strange third world percussion sounds to cheesy horror sound effects. Bar none, you will not get a better synth for the asking price anywhere else! close [-]

Great analog synth in a small package!

by Jefferson Weber from Indianapolis, Indiana
February 4, 2013
Music Background: Composer,Hobbyist
Great 4 voice analog synth. 4 vocie analog at this price is incredible! So much fun and sounds are suoer thick.This synth is really good and built like a tank! The screen is easy to read, knobs are ni... read more [+]ce and firm also. You need this! Buy it now! close [-]

Wish it was a little more user friendly, but sounds great!

by Lew from
May 5, 2012
Music Background: Semi-pro musician, songwriter and producer
This was the first synth module I had bought in probably 10 years. I've been writing acoustic stuff for a long time but decided to start incorporating some synths into my music. I was tired of the syn... read more [+]ths I had so I picked this thing up.

First off, I gotta say that it has huge bang for the buck. The presets are great and provide a great starting point. Hard to believe this thing only has 4 voices because of how thick it sounds. There must be some engineering trickery here to make it sound like there's more than 4 there, because it really isn't as much of a limitation as I was thinking it would be.

The filter sounds awesome, really beefy and has that real analog bite. The step sequencer is a bit of a hidden gem on here, which leads me to the one downside of this box...

Being that I have been out of the synth game for a number of years now, I think I lost some of my patience for navigating tedious and confusing menus. Fact of the matter is, there's a lot that this synth can do that I just will never take the time to learn how to do. That's not a detractor for everyone out there, but if you're like me and you just play acoustic guitar most of the time and don't like to fiddle with things too much you might feel a bit overwhelmed. It's kind of frustrating that DSI makes you pay for the premium version of their sound editor too, since I figured as a paying customer I almost had a right to that for free.

Can't complain much though, it does a lot of cool stuff for the money. Look up some videos online to see what it sounds like and if you like it I say go for it. close [-]

inSync Review

by: Bart Good
This is the analog synth that I’ve been waiting for. Why, you may ask? This is... read more »
Read more reviews

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See Also: Dave Smith Instruments , Dave Smith Instruments Table Top Synths

Dave Smith Instruments Tetra

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