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Viscount EXL 150 and pedal monophony (1 reply and 3 comments)
I am looking at an organ that was DIY upgraded to digital in the 90s. The manuals are on MIDI channels 1 and 2, the pedal is on MIDI channel 4.
The problem is that the pedal is playing monophonically. If one note is pressed, a second one is ignored. This destroys the possibility to play legato.
I am trying to work out if this is a problem with the wiring, the MIDI board, or the extender to which teh MIDI is fed. The extender is a Viscount EXL 150.
A place was found in its manual that seems to state that the pedal channel plays monophonically. A photo of this place is at https://pasteboard.co/IgWM2Dy.png (look for "N.B."), but it is somewhat ambiguously phrased.
Is the EXL 150 actually limited to monophonic playing of the pedal? Or is the problem likely to lie elsewhere?
I am sorry but that pedalboard is monophonic by design. There is no fix available for you. Regards David
You mean the pedalboard channel in the EXL 150 is monophonic by design? Or the pedalboard itself? What would happen if I replaced the EXL 150 with a computer with Hauptwerk?
I would still really apreciate your view on what part is the problem. Is is the Viscount EXL 150 or the pedalboard itself?
The pedalboard (and manuals) is a Norwich analog organ console that was repurposed for digital in the 90s, DIY. Is the wiring of the pedalboard the problem? If so, can I perhaps rewire it, with diodes if necessary? And would I have to replace the MIDI board to take advantage?
I am planning to run tests with a computer, but I would certainly prefer to have the view of an expert.
I ran the tests.
The problem is indeed with the Viscount EXL 150. When a pedal note is already playing, a Note On for another pedal note is apparently ignored. The same pedalboard with the same MIDI board plays perfectly when attached to a computer with Hauptwerk.
It even plays perfecly if I attach the MIDI Thru output of the EXL 150 to the computer. So I can still play the manuals on the EXL 150; I just push the volume slider for the pedalboard to zero. And the Hauptwerk computer is configured to listen only to the pedal channel. Then I mix the output, volia - working organ, and I still have the very nice samples from the EXL 150 on the manuals.
I do hope that the next person googling Viscount EXL 150 monophony or pedal issues will be able to find this page.
Thanks for your commentary, David! And I do realize it's a bit too late to change a 1990s expander box 🙂
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