[Bean]

The polarity of the piezo will affect the latency response thus affecting the module ability to eliminate cross talk.

Also positional sensing accuracy on Roland modules might suffer (so equipped and enabled).

Positional sensing and cross talk elimination add latency to response time at the benefit of improved velocity accuracy and more predictive (as in constancy) in dependable responses.

As the crystal compressed and expands from the vibration it produces a voltage spikes with little amperage and then a reversed (inverted) bounce spikes at a lower voltage: The module will anticipate a negative spike first if the wiring is biased for negative. The AC wave continues until the piezo settles still.

- Bean

[Author]

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