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Details about  DSI Dave Smith Tetra Analog Synthesizer

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DSI Dave Smith Tetra Analog Synthesizer
DSI-Dave-Smith-Tetra-Analog-Synthesizer
Item Ended
Item condition:
Used
Ended:
09 Feb, 2011 18:46:28 GMT
Winning bid:
£430.00
6 bids ]
Postage:
£7.00 Express Delivery | See details
Item location:
Milford Haven, Pembrokeshire, United Kingdom

Description

eBay item number:
120678551275
Seller assumes all responsibility for this listing.
Last updated on  30 Jan, 2011 19:24:43 GMT  View all revisions

Item specifics

Condition:
Used: An item that has been previously used. The item may have some signs of cosmetic wear, but is fully ... Read moreabout the condition
Type: Synthesisers
Brand: Dave Smith Instruments
Whilst this Item is listed as used it is in pretty much as new condition. It was bought new about 6 months ago and has only been used a couple of times. It’s a beautiful sounding little box and I’m only selling it as I don’t much time for music at the moment so would like to see it go to a home that will use it.

Comes boxed with power adapter and a USB lead, not sure what I’ve done with the quick-start guide but this is easily available from the DSI website


Here's the blurp...

  • Affordable, fully programmable poly synth with a 100% analog signal path.
  • Classic, real analog sound—including legendary Curtis analog low-pass filter.
  • Four-part multitimbral capability with four separate outputs.
  • Combo Mode for huge unison patches, stacked sequences, and "modular-style" poly sounds.
  • Expandable: poly chain with other Tetras, Prophet '08, and Mopho for expanded polyphony
  • Just 7.9" x 5" (20.07 cm x 12.7 cm).
  • Free editor for Mac OS and Windows.
Overview

Tetra is our next-generation analog poly synth. Tetra takes the award-winning sound and features of Mopho, multiplies them by four, and packs them in a box less than half an inch larger!

Tetra has multiple personalities. It is a four-voice, analog poly synth, a sort of “mini Prophet.” It's a four-part, multitimbral synth with separate outputs, essentially four Mophos in one very compact box. And it’s a voice expander for other Tetras or the Prophet ’08.

Outside the Box
Physically, Tetra is similar to Mopho, with four assignable parameter controls per program and a row of controls dedicated to the most commonly used performance parameters. All of the parameters can be accessed from the front panel and Tetra is fully programmable. A free, downloadable editor is available for Mac OS and Windows to facilitate more comprehensive tweaking.

Most of the rotary controls are detented encoders, but Cutoff and Resonance are potentiometers, allowing full sweeps with a single turn. The Push It button is a manual trigger to play notes and latch sequences on without the need for a MIDI controller.

Audio is output in mono, stereo, or per voice, via the four audio output jacks. There is also a headphone out. MIDI communication is by standard MIDI in and out jacks or USB. Poly Chain Out is a special, dedicated MIDI output to chain multiple instruments for increased polyphony.

Under the Hood
The voice architecture is based on the Prophet '08, but with the addition of a sub-octave generator for each oscillator and a fully programmable feedback loop for each voice. That breaks down to two DCOs, a resonant low-pass filter, three DADSR envelope generators, four LFOS, deep modulation routing, an arpeggiator, and a 16 x 4 analog-style step sequencer per voice. Feedback is capable of producing effects ranging from mild distortion to fairly extreme harmonic instability. (That's a good thing.) The possibilities are nearly endless. And the audio signal path is 100% analog.

Tetra a la Mode
In Program Mode, Tetra is a four-voice, polyphonic synthesizer with four banks of 128 programs. As with the Prophet '08, each program contains two layers—each layer is essentially a separate patch—that can be used to create keyboard splits or stacked sounds. Banks 1 and 2 are the Prophet '08 factory programs; banks 3 and 4 are a combination of Mopho and new programs.

In Combo Mode, a different program can be assigned to each of the four voices. Combos can be used for mammoth unison patches or for triggering up to four different 16 x 4 sequences—each with its own program—simultaneously. Combos can also be used to create "modular-style" polyphonic patches, where each voice plays a different program, with a slight variation on the same sound or even a drastically different sound.

In Multi Mode, Tetra becomes a multitimbral sound module capable of playing four monophonic parts on four MIDI channels, with separate outputs for each voice. Coupled with a MIDI sequencer and DAW, Tetra can play complex arrangements or analog drum parts with each part individually processed and recorded to its own track.

This One Goes to 12...and 16
Up to four Tetras can be poly chained for eight, twelve, or sixteen voices total. When used with a Prophet '08, up to two Tetras can be poly chained for a maximum of sixteen voices. In addition, the Prophet's front panel controls map directly to almost all of Tetra's parameters, so the Prophet acts as a programmer and control surface. And a Mopho can be connected to Tetra's Poly Chain Out for five-voice operation.


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