Algo Expander for Quad Opreator - DX Style FM Synth

4HP Expander for Quad Operator's Algorithm Functionality
Where the unexpanded Quad Operator maintains a one knob per function design discipline, we nevertheless recognized the value of some more advanced algorithm-oriented functionality.
The Algo expander for the Quad Operator provides:
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Saving and loading of modulation send knob positions for FM algorithm design reuse
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Crossfade between pairs of saved algorithms, or a saved algorithm and the live knob positions
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Firmware upgradeable
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Humble Audio products are warranted for 12 months from date of purchase
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