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The KOII / EP-133 Notebook
July 2026 - 2.5.1.a

Its a Reference Book! A Guidebook! A Notebook. Delivered as download in PDF format for maximum compatibility. Specifically written, bottom up for the Teenage Engineering EP-133 sampler composer. Covering all things KOII, this book is everything you need as a reference to the Teenage Engineering KOII/EP-133. Step by step walkthroughs help newbie's and advanced user alike get to know how to use the device to its fullest. Finally its a notebook where you can make your own notes and comments in the spaces provides bringing together a comprehensive and customised guide. 

- High-quality diagrams, designed bottom up for the book

- Over 220 pages of content and  note space

- Guidebook + Notebook concept. Electronic annotations on tablet or computer when using applications such as Goodnotes, Adobe Acrobat etc

- Quick reference section.

- Small footprint PDF format for maximum compatibility and wider distribution. Coverage of many more devices

- PDF Bookmarks and Hyperlinked Contents

- Deeper dive and walkthrough approach

Latest: Summer July 2026 OS Version 2.5.1 Book 'a'

• Hyperlinked, Whats New Changelog
• 28MB or 64MB for early editions.
• Unlock a LOK state.
• Timing correct; workflow plus nudge option added.
• System codes: SMP > USB for audio and sample rate.
• Sample rate options.
• Sample time increase.
• Update non-standard firmware
• USB Sampling + audio.
• TRIm Sample position view.
• TIMe Stretch mode - Reverse sample, trim.
• Auto Chop, Transient and Equidistant modes.
• Fader Reset behaviour.
• Loop options and playback position.
• LED Brightness.
• Knob / Fader takeover behaviour.
• Sample edit audition mode.
• Removed 'beta' status from backup & restore.
• Keys Mode and removed sys codes.
• Apreggiator added.
• Scales New scales added and note labels changed from sharps to flats to align to KOII standard.
• CC Page added.
• Song Playback Position.
• FX can be added while resampling.
• Copy / Paste Pad Notes.
• Kiosk Mode.
• Soloed FX+group also selects the group.
• Updated workflow examples.
• Sample Tool overview updated. 

Previous Versions
Champions 2.0.2 EP133 OS Version - October 2026 Book 'a' version.