Keystation49 volume correlates with frequency

Hi,

Just got my first midi instrument today, a Keystation 49, and after some googling I managed to set it up with Reaper to the point of producing sound.

Problem is the volume decreases linearly with frequency. Highest C is loud and clear, lowest C is completely inaudible even if I crank everything to the max, and the middle C is like a careful whisper.

If I raise the octave two steps I can get audible sound even from the low C, though.

I don't know how to interpret MIDI-OX, but:
"Status" = 97 for all
"Data1" = High C: 54, Low C: 24
"Data2" = depends uniformly with velocity for all

I did a search here and found lots of volume issues but none like this, with linear frequency correlation. Any ideas? Other ways to check or calibrate the keyboard? Anything I can set up in Reaper?

Big thanks in advance,
Rickard
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  • Hi,

    Thanks for posting!

    Your notes about Midi Ox seem like the board is working correctly. Can you verify this with a different software like Ableton? I believe a copy should have been included with the keyboard and you can follow the guide here for setup:

    Keystation - Ableton Live Setup

    This has got to be in the way the software is interpreting the data from the board. What virtual instruments have you tried in Reaper?

    Just in case, a factory reset couldn't hurt and should resolve anything caused by the board:

    Hold down the Advanced and both Octave buttons while powering the board on

    Let me know how it goes!
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  • Thank you for the suggestions.

    It would seem the problem lies in Reaper's generic synth VSTi, which was the only one I had tried at the time of posting. The Eighty Eight Ensemble VSTi that accompanied the keyboard works perfectly fine, even in Reaper, so I consider the issue solved.
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