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Jazz Machine

Retro by 12-Bit Crunch
Jazz Machine Jazz Machine
Jazz Machine by 12-Bit Crunch is Soundware (samples or presets that load into other products).
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Jazz Machine' is 12-Bit Crunch's debut Kontakt Instrument. It's part sample-player and part chord-progression generator with MIDI export capability.

{See video at top of page}

Conceptually think of it like this: imagine you're digging for vinyl and you find a holy-grail library record with 300 open chords, all played on various vintage instruments. 'Jazz Machine' is like a sampler patch made from that record, with those crackly chords ripped, pre-loaded and ready to lay some drums under.

Depending on which octave you're in, you'll hear a different chord flavour. From bottom to top you have Major 7, Minor 7, 13, ♭13, 7#9, Sus and m7♭5. As they're played in all twelve keys- That's 84 different types of chord.

On the fly you can switch between 4 vintage instruments:

  • A Challen Upright Piano
  • A '66 Epiphone Casino Electric Guitar
  • A Rhodes home piano (i.e a '73 mkI).
  • A Deagan Vibraphone*.

If you're new to music, you'll be sounding like a real jazz cat in no time. If you're a fully fledged keyboard player, I guarantee you'll come up with some new progressions, as Jazz Machine's 'one-chord-type-per-octave' method takes you way out of your comfort zone.

Additionally you have 4 different articulations switchable through velocity and mod-wheel: Straight, Chops (attack trimmed off), Rakes and Melody top-notes.


  • Chord names- displayed in real-time so you can see exactly what you're playing.
  • MIDI export functionality- drag chords direct into your DAW to trigger other instruments.
  • 'Warble' pitch-oscillation effect- perfect for Lo-Fi, Ambient and Vaporwave styles.
  • A settings panel with +/- offset for vinyl crackle volume and warble effect amount.
  • Octaves each have a unique colour on Kontakt's keyboard.
  • Tonearm fully animated when switching instruments.



IMPORTANT: please note the system requirements, there are no refunds if your Kontakt version is too old:

  • Native Instruments Kontakt 5.6.5 or higher (full-version only).
  • Mac: OS X 10.11, macOS 10.12 or 10.13 (latest update), i5.
  • Windows: Windows 7, Windows 8, or Windows 10 (latest Service Pack, 32/64-bit) Intel Core 2 Duo or AMD Athlon 64 X2.

*The Deagan sound on Jazz Machine is not played in real-life, by me. I took some dry multisamples I have and meticulously dialled-in a slow vibrato effect. A bit of a workaround, but I hope you'll agree that it sounds pretty badass!

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