OldSynths

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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> Ken Stone   sasami@h...  
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