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Midi Mapping a Volume Control for Mainstage?


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jeremy

 

I assume that you have already discovered that the front panel MAIN VOLUME knob on the CTK/WK-6XXX/7XXX models do not send MIDI CC-7 volume control messages.  On the CTK/WK-7XXX models, the MASTER (right-most) slider can be used, in DRAWBAR ORGAN MODE, to send these messages, but as the 6XXX models lack the sliders, this is of no help to you.  Also, the SUSTAIN/ASSIGNABLE jack on the rear panel is for an ON/OFF type of switch, not a continuously variable "expression" type of pedal, so no help there either.  I am thinking that your only alternative is to use a USB or MIDI (depending on your computer hardware set-up) connected controller pedal that could be programmed to send CC-7 volume control messages:

 

 

http://www.behringer.com/EN/Products/FCB1010.aspx   at about $150 USD and includes the pedals

 

or, $49 USD plus the price of the actual pedal:

 

http://www.audiofront.net/MIDIExpression.php

 

This assumes that MainStage would accept MIDI messages, simultaneously, from two different sources, and merge and respond to them.  (It does not appear to.)  If not, you would need to use some type of separate MIDI merger box (eg. midisolutions.com) or software ahead of MainStage to merge the MIDI signals from the WK-6600 and the pedal unit.  Your dilemma, in that case, would be in mixing and matching the various 5-pin-DIN MIDI connected devices to/with any USB-MIDI connected devices to match the rest of your hardware.  You would really need to stay aware of this, as you make your choices.  Your WK-6600 is USB connected, and I assume your computer is, as well.  The Behringer unit will act as a MIDI merger unit, as well as a volume controller pedal, but it is 5-pin-DIN connected, so would be a bad choice for your set up.  The AudioFront unit is USB connected, so would be a good choice, but does not act as a merger, and the MIDI Solutions merger box, like the Behringer, is 5-pin-DIN connected, so would be a bad choice.  Due to the complexities of the USB-MIDI protocol compared to the old 5-pin-DIN RS232C protocol, splitting or merging and converting between the protocols requires a fair amount of intelligence - either a computer or an intelligent stand-alone converter box like ICONNECTMIDI.  So, this one item could be a major sticking point for you.  You would certainly want to ask a lot of questions before investing any money in anything.

 

Good luck !

 

Regards,

 

Ted

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