Meike MK-2061 keyboard
Cheap music keyboard probably from 2013, intended for learning:
- 54 keys
- 100 instruments, 100 rythms, 10 demo/teaching songs
- 2 speakers, stereo
- sustain, vibrato
- chord playing mode
- 8 dedicated percussion keys
- rythm recording
- powered from 9V AC/DC adapter or 6 D cells; consumes 100 mA when idle, up to 400 mA when playing with maximum loudness
While this keyboard seemed to operate correctly, it needed deep cleaning and fixing mechanically broken shell.
Works with voltage down to 4.5V, but display is losing contrast/angles at about 5.6V.
Audio from the speakers is a little bit noisy. With headphones connected to OUT audio is both too loud and too noisy - headphones with volume potentiometer would be recommended.
Noise stops being noticeable when turning down volume on headphones while keeping keyboard volume in the middle (level 7).
Board with 5V regulator and audio amplifier.
Extremely weird construction.
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