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Cassette Keys.01 - Multi-Format Bundle


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The Idea & Process

It's a unique mixture of physical modelling and fm synths recorded on a cassette with an old & wonky cassette recorder. It has a range from C0 to E6 and 4 carefully designed velocity layers. The GUI is very simple (Kontakt version), yet useful and almost synth-like - so just like its predecessor Cassette Piano, it’s very easy and fun to work with.

Every note of this instrument has been carefully de-noised with a high quality algorithm to avoid noise stacking when playing more than one note. Noise can still be added with the noise slider - it’s much more flexible this way and allows the ability to adjust the volume of the noise independently whilst also applying parameters such as filtering. It also creates a more realistic sound, so when playing a five voice chord, only one sample of noise instead of five stacked on top of each other will be heard.

The End Result

Useful and Fun Production Tool: 
If you like vintage sounds and you're looking for something to enhance your production toolbox, then this product will be for you.

Simple, One Page Interface: 
Everything is laid out on one page allowing fast sound design possibilities.

Simulated Round Robin: 
Makes notes sound realistic when played ostinato (even when playing fast).

Variety of Sounds: 
With this instrument you can easily create some weird sounds, and there are already 30 presets included (Kontakt & Ableton Live 9 only) to get you started.

New in Update 1.1:

  • Added 'Sample Start' knob (mapped to Mod Wheel)
  • Added "Master Out" knob
  • Better RAM management

Cassette Keys.01 for Kontakt


  • 848 MB of samples (452 MB after lossless Kontakt compression)
  • Editable 'Sample Start' parameter (mapped to Mod Wheel)
  • Simulated round-robin
  • REV (reverse) mode
  • Mono mode
  • 4 velocity layers
  • One-page interface for easy and fast sound design
  • 30 presets

Learn more about Cassette Keys.01 for Kontakt.

Cassette Keys.01 for Ableton


  • 848 MB of samples (366 MB after lossless Live compression)
  • Editable 'Sample Start' parameter
  • REV (reverse) mode
  • 4 velocity layers
  • 30 Instrument Racks (presets) with mapped macros
  • Custom Effect Racks

Learn more about Cassette Keys.01 for Ableton

Cassette Keys.01 for Logic


  • 848 MB of samples
  • Editable 'Sample Start' parameter (mapped to CC1 / Mod Wheel)
  • REV (reverse) mode
  • 4 velocity layers
  • 5 presets

Learn more about Cassette Keys.01 for Logic.

Cassette Keys.01 for SFZ Player


  • 848 MB of samples
  • 4 velocity layers
  • 1 preset

Editable Parameters:

  • Volume
  • Volume Envelope
  • Panorama
  • Vibrato Amount (mapped to CC1 / Mod Wheel)
  • Vibrato Speed
  • LP FIlter Cutoff & Resonance
  • HP Filter Cutoff & Resonance

Learn more about Cassette Keys.01 for SFZ Player.

System Requirements

  • The full version of ​Live 9.7 (or higher) is required to run this software
  • The full version of Kontakt 5.5.2 (or higher) is required to run this software - you can load this instrument in Kontakt Player but it will only work for limited time period
  • The full version of Logic 9.1.8 (or higher) is required to run this software
  • Any compatible SFZ player, such as Plogue Sforzando is required to run this software

Any references to any brands on this site/page, including reference to brands and instruments, are provided for description purposes only. For example references to instrument brands are provided to describe the sound of the instrument and/or the instrument used in the sample. Plugin Boutique do not have (nor do they claim) any association with or endorsement by these brands. Any goodwill attached to those brands rest with the brand owner. Plugin Boutique or its Suppliers do not accept any liability in relation to the content of the product or the accuracy of the description. "RHODES" is a registered trademark of Joseph A Brandstetter.