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FLASH — The MIDI OUT Connector that's also Polyphonic FM Synth


Aaron Andrew Hunt from H-Pi Instruments  in Germany), Tim Alex Jacobs (mitxela · UK)  and Jordan Dimitrov Petkov (Largonet Ltd., MIDI Boutique · Bulgaria have teamed up to create the world's smallest polyphonic MIDI instrument.  It's really incredibly powerful. 


  • Tuning
    • Unlimited pitch General MIDI microtuning up to 16 voices polyphony
    • 16 full range programmable tunings of 128 notes each = 2048 programmable fixed pitches
    • voluntary pitch bending from retuned fixed-pitch centres
    • Largest tuning error ~ 0.006 cents
  • Synthesis
    • FM synthesis engine designed by mitxela
    • Controllable via MIDI CCs
  • Voice Modes
    • POLY: 16 voices, one oscillator per voice, mono LR audio output
    • POLY-STEREO: 8 voices, one oscillator per voice, stereo audio output
    • MONO: 1 voice, 16 oscillators layered, mono LR audio output
  • Inputs and Outputs
    • MIDI DIN input (for MIDI and power)
    • 3,5 mm stereo headphones audio output
  • Electronics
    • Designed in the UK by mitxela
    • Assembled in Bulgaria
  • Enclosures
    • Synth main housing made in Germany by Lumberg GmbH, Nickel-plated Zinc Alloy 50 x 14 x 14 mm
    • UART-programmer housing - Aluminium (2mm thick) 50 x 25 x 25 mm, hand made in Germany

FLASH draws its power straight from the MIDI socket! All MIDI OUT ports which are made to the specification of the MIDI Manufacturer's Association (MMA) will work. MIDI OUT ports not made to the MMA spec will not work! 

by H-Pi Instruments

Support for micro tuning 

FLASH features unlimited dynamic General MIDI microtuning for ease-of-use with 16-channel polyphonic tuned output from TBX2, TBX1, and Tonal Plexus TPX keyboards, and also features a mini UART-programmer which allows you to assign unique microtonal tuning tables to each of 16 MIDI input channels for full microtonal output compatibility with literally thousands of standard MIDI controllers as well as multichannel controllers like MIDI guitars and MIDI organs without a tuning device, not to mention advanced 2048 unique-pitch-output for the Tonal Plexus and other microtonal controllers like the Microzone, Axis 64, and Terpstra keyboards. Of course you can also use it as a normal synth with normal tuning ... if you're into that sort of thing.

The FLASH UART-programmer interfaces via USB with Universal Tuning Editor (UTE) cross-platform software (free license included), so you can edit tunings and upload them to the synth. Firmware is also user-upgradable via the programmer, so features can be improved or added at any time.

by H-Pi Instruments

Axis 64 Universal Tuning Editor templatre

 In fact the Flash comes with the UART-programmer, USB cable, and a UTE software license. 

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