Piezo material is usually a ceramic (or crystal), so while it doesnt
technically "deterioate", lots of vibrations over time could cause
the piezo to become chipped or detached from the brass they were
mounted on.
Rory McDonald
Oldsynths Moderator
--- In oldsynths@yahoogroups.com, sasami@h... wrote:
> tb22 wrote:
>
> >Rubber 'does" deterioate.(maybe just needs cleaning)
> >Piezo does not.(can crack, though)
>
> You don't say. I have a couple of drum things here that use piezo
sensors.
> Now they are just little brass disks - 90% of the piezo material
has been
> bashed off. And yes, these were mounted UNDER the pads.
>
> Ken
>
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