New ElectroTechnique TSynth - DIY Teensy Synth

ElectroTechnique

Note this is the first post to feature ElectroTechnique.

"TSynth is a DIY synth based on the Teensy 3.6 MCU board. It is six voice polyphonic with two oscillators and very comprehensive control and options. Patch saving and recall, three MIDI in options and USB digital audio. It is open source and the PCB and front panel are now available to buy on Tindie. The intention was that the cost of parts to build this synth are around $99 and it should be a serious instrument. There are many features and full details are on https://electrotechnique.cc

All sounds are directly from TSynth with built-in stereo chorus - Youtube tends to muffle the sound, the bass will go very low. I'm hoping that end users will produce better demos and contribute to the code."

Specs via ElectroTechnique:

Oscillators

Six voice polyphony (last note priority), two oscillators per voice, detunable with +/- 2 octaves range, Sine/ Sample & Hold (like tuned noise)/ Square/ Sawtooth/ Ramp/ PWM/ Var Triangle/ User waveforms and level
Pulse Width/ Var Triangle can be set for each oscillator with PWM by dedicated LFO or from the filter envelope
Pink or white noise level
Dedicated LFO for pitch mod (can be retriggered by note on), Sine/ Triangle/ Sawtooth/ Ramp/ Square/ S&H waveforms
Pitch can be modulated by filter envelope (+/-)
XOR ‘Ring Mod’ (creates lots of harmonics with certain waveforms)
Unison with all twelve oscillators detunable from each other
Polyphonic Glide with variable time

Filter
State variable 12dB filter (SVF) with continuous mix between LP and HP (provides notch filter) and BP
Cutoff freq and resonance

Cutoff can be modulated by dedicated ADSR envelope (+/-), dedicated LFO
LFO has same waveforms as pitch LFO (can be retriggered by note on) and rate can be set to match MIDI clock (tempo) with variable time division (1,3/4,1/2,1/4,1/8…)

Amplifier
Dedicated ADSR envelope
Volume for DAC output
Effect amount and mix - currently for stereo ensemble chorus rate and mix but could be set up to allow choices in programmer

Programmer
160x80 IPS colour display
Encoder with button for data entry, Back button for menu navigation
Save and Recall buttons for storing patches, holding Recall initialises the current patch to match the panel controls. Holding the Save button takes you into a patch deletion page.
The programmer makes the synth very flexible with future possibilities for changing User waveforms, alternative filters, alternative effects with further parameter settings.

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NEW Momentum DIY Synthesizer from Electrotechnique

video upload by Electrotechnique

"Electrotechnique Momentum - 12 voice virtual analogue, digital polysynth - DIY or buy.
All sounds from Momentum using built-in effects. Multitracking, EQ and panning on Ableton Live.

Momentum uses a PJRC designed Teensy 4 microcontroller platform on a Sparkfun designed Micromod: https://www.sparkfun.com/products/16402

Available on Tindie: https://www.tindie.com/products/elect...
Github repository: https://github.com/ElectroTechnique/M...

Thanks to Time Travel [TT] for inspiration."



"After the success of TSynth [see previous posts here], Electrotechnique brings you Momentum.

Momentum is a powerful, low-cost, 12-voice digital virtual analogue polyphonic synthesizer. It’s features rival those of synths costing many times more. Momentum builds on TSynth, Electrotechnique’s first synthesizer and adds additional features.

Sound:

12-voice polyphony, velocity sensitive
Stereo analogue audio plus 16 bit 44.1kHz digital audio via the USB port
2 oscillators and state variable filter per voice, with comprehensive modulation
Stereo ensemble and reverb effects
Three Simultaneous MIDI ports:

USB HOST MIDI Class Compliant (direct connection to MIDI controller, no PC needed)
USB Client MIDI In from PC
MIDI In TRS —supports both type-A and type-B TRS leads
MIDI Out/Thru TRS - configurable as a MIDI Thru with filtering options
Patches, Performance, Arpeggiator and Sequencer:

8 user banks with 128 nameable patches, recallable via MIDI
128 performance memories—store patch and choose parameters for encoders to control and MIDI settings, recallable via MIDI
Simple step sequencer with up to 64 steps and 128 sequencer memories
Arpeggiator—simple arpeggiator with six styles, choice of ranges, base octave and tempo divisions
Simple 8 note polyphonic keyboard with scales and octave choice
Storage:

Removable SD card for patches, performance and sequence memories
Momentum is easier to build than TSynth and has a simpler case consisting of a 3D printed tray and a PCB front panel. The software is open source and user development is encouraged - TSynth gained new features from users.

Options

Momentum can be purchased as:

a full kit including components and case, but without a Teensy Micromod or Micro SD card. This can be bought from Sparkfun directly or another source if you wish. Micro SD cards can be bought everywhere
a full kit with a programmed Teensy Micromod and Micro SD card
fully-built and tested with Teensy Micromod and Micro SD card"

Electrotechnique TSynth v4 Synthesizer Kit

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

You can find demos of the TSynth v4 in previous posts here.

"A complete bill of materials (DIY Kit) to create your own TSynth, based on the latest Teensy v4.1 Microcontroller. All the parts you need will be provided, but some basic knowledge of soldering and using the Arduino IDE are required to complete the build.

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ElectroTechnique TSynth - Teensy 4.1 based DIY Synthesizer

ElectroTechnique

"TSynth is a low cost DIY desktop synthesizer based on the PJRC Teensy 4.1 micro-controller board. It is 12 note polyphonic, velocity sensitive with capabilities found on synths costing ten times more.
All sounds from TSynth - assembled on Live 10 with EQ, reverb and compression.
It is open source and the PCB and front panel are now available to buy on Tindie."

Details previously posted here.

Electro Technique TSynth (DIY Synth)

video uploads by lemorgue

"Synth: Electro Technique TSynth (DIY Synth)
Drums: Ableton Live Kit
DAW: Ableton Live 11

Very nice DIY Synth based on a Teensy 4.1 Board.
More information here: https://electrotechnique.cc/"

Playlist:
sktch-113: Electro Technique TSynth (DIY Synth) #1 (no talk)
sktch-115: Electro Technique TSynth #2 (no talk)
sktch-116: Electro Technique TSynth #3 (no talk)
sktch-117: Electro Technique TSynth #4 (no talk)

See the ElectroTechnique label for addtional posts.

ElectroTechnique TSYNTH w/ Taito NEO-GEO Skin on Back

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

via the seller in the listing: "I built this synth during lockdown and used it in my home a few dozen times as a desktop synth. It is fully functional and a great little synth as is, or if you are into modding or programming this is a great synth for that. It works as is perfectly, though it could have front and side panels added by whomever buys it. The back of the case was made by me out of a vintage arcade marquee, it is a one off, one of a kind."

You can find demos of the TSYNTH in previous posts here.

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