Because the dual output LNB's don't require 22kHz switching, they will ignore its presence.
The only issue you may have is that the single-LO LNB's may not cover all of the transponder frequencies you need when connected to the H/L inputs, as the Quattro/Quad Universal LNB's have extended ranges, hence the switching between LO's.
This will affect the Ku frequencies more than those of the C-Band LNBs.
Hope this helps.
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