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Soulsby miniAtmegatron 8-bit Kit Synth

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    Description
    The miniAtmegatron is a small 8-bit kit synth. It comprises of a DIY kit shield, Arduino Uno and enclosure. The audio engine based on the Atmegatron. If you’re a dab hand at soldering and want to dip your toes into the 8-bit ocean, this could be the synth for you! The package comes with instructions, PCB, all the electronic components, MIDI-hacked Arduino Uno and perspex enclosure. The shield kit and enclosure are also available separately.

    The miniAtmegatron synthesis engine is based on the Atmegatron engine, with some features cut back or removed because of the simpler interface. Like the Atmegatron, the mini uses the PWM output of the Atmega328P processor.

    The Atmegatron uses the Atmel 328P processor, which is also at the heart of most Arduino development boards. Audio is generated by modulating a PWM output of the processor and then filtering off the modulation frequency. The Atmegatron uses analogue circuitry in the form of a steep 3rd order Chebyshev filter to maintain the high end, while still filtering off the modulation frequency.

    The Atmegtron’s software uses 2 loops to create it’s unique sound. One loop uses an interrupt to update the PWM output at audio frequencies. The other loop is slower and is used for everything else (MIDI input, process the wavetable, update LFOs, envelopes, arpeggiators etc). This unique synthesis method means that while the Atmegatron is clearly at home among classic Chiptune synthesizers, it also sounds highly individual.
    Images
    Architecture
    Type: Digital
    Synthesis: Subtractive, Wave Table
    Oscillators
    Oscillators: 2
    Waveforms: Pulse, Saw Down, Saw Up, Sine, Square, Triangle, Wave Table
    Osc Modulation: Envelope, Glide / Portamento, Input, Knob
    Envelopes
    Envelopes: 2
    Evelope Paramerters: Attack, Decay, Sustain, Release
    Filters
    Filters: 1
    Filter Notes:
    + 15 digital filter algorithms
    LFO
    LFO: 1
    LFO Notes::
    + 16 waveforms
    Polyphony & Tuning
    Polyphony: 1
    Timbrality: 1
    Tuning: Standard
    Modes: Mono
    Patches
    Patches RAM: 1
    Storage: Internal, USB
    Arpeggiator
    +
    Effects
    + Bitcrush
    + Phaser
    + Distortion
    Sequencer
    + Sequence player
    + 15 sequences
    Chips and Operating System
    Atmega328P processor
    Case
    Case: Desktop
    Controls: Buttons, Knobs
    Display Type: LED
    Connections
    Audio Output Connections: 1/8" Phone Jack, Mono Out
    Audio Output Count: 1
    MIDI Ports: USB
    DAC Bits: 8
    Production
    Year Released: 2017
    Manuals & Documents

    Product Links
    Company Product Sites:
    [+] soulsbysynths.com
    Repairs and Support
    [+] soulsbysynths.com
    Pricing
    Retail Street Price: £68 - convert
    Shopping
    YouTube Videos
    Related Synthesizers
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