Teenage Engineering · EP-133 K.O. II · EP-1320 Medieval · EP-40 Riddim

EP-133 K.O. II Key Map & Scale Helper

In keys mode the EP-133's 12 pads become a melodic keyboard. This sheet shows exactly which pad plays which note for any key, root pad and scale — tap to hear it, find chord shapes, then print a cut-out overlay. The EP-1320 Medieval and EP-40 Riddim use the same K.O. II pad layout, so it works for those too.

Teenage Engineering EP-133 K.O. II, top view — the keys button on the left, the 12 numeric pads that become the keyboard, the minus/plus octave buttons, and the shift button. — The 12 numeric pads (. 0 ⏎ 1–9) become the keyboard, ascending low → high.

How keys mode works

1.In main mode, pick the sound you want to play melodically, then press keys. The 12 pads become a keyboard that plays that sample pitched across the selected scale.
2.Hold keys + tap a pad to make it the root (transpose). That's the “root pad” control below.
3.Hold keys + –/+ to shift the keyboard by an octave.
4.Set the scale in system settings: shift+erase opens system → –/+ to pad, ⏎ → to sca, ⏎ → pick a scale (12T chromatic is the default), ⏎, then main to exit. Non-chromatic scales remap the pads so every pad lands in key.

Because pad 1 sits in the third row, the bottom row (. 0 ⏎) is below the root — those pads play the previous octave.

Key

Root pad

Scale

Notation

Octave

Chord finder

— which pads play a chord

Pads

Keyboard

Filled keys are reachable by a pad; the highlighted key is the root

Printable overlay

Cut & place on the device

Prints the current mapping (C chromatic, root on pad 1).

EP-133 · C 12T · pad 1

74F#Gb

84G

94G#Ab

44D#Eb

54E

64F

14C

24C#Db

34D

.3A

03A#Bb

⏎3B

EP-133 · quick ref

C 12T · root pad 1 · low → high

.A3

0A#/Bb3

⏎B3

1C4

2C#/Db4

3D4

4D#/Eb4

5E4

6F4

7F#/Gb4

8G4

9G#/Ab4