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Special Keyboard ARCUS
© Ing. Radovan Konečný - radkon, 2016-2025
This is a special music keyboard - the keys are large, mechanically resistant and have coloured light signalling. The keyboard withstands rough handling (e.g. a blow with the fist).
The special ARCUS keyboard also has coloured light signalling.
A total of 512 colours can be chosen. 
This light signalling may indicate:
- whether the button is currently being pressed,
- the meaning of the keys (dominant notes and subdominant notes of the scale are marked) - in order to easily find a way when playing freely,
- light commands from the computer software, e.g. instructing the player to play the selected song (lighting up the note to be played).
| Type: | ARCUS KB8C |
| Number of keys: | 8 |
| Total dimensions: | 832 x 245 x 35 mm |
| Dimension of one key: | 98 x 145 mm |
| Colour: | Natural wood (keys) and mahogany (body) |
| Light signalling: | 8 colours selected from a total of 512 colours |
| Touch response: | no |
| Possibility of mirrored tones: | yes |
| Power supply: | from the control module (5V) |
| Power consumption: | 0,3 W - 1,2 W |
One keyboard
One keyboard with mirrored tones
Two keyboards with the same tones
Two keyboards with the same tones
Two keyboards, one with shifted tones
Two keyboards, one has shifted and mirrored tones
More pictures
Using two keyboards simultaneously
