On 24/9/19 3:00 pm, Jeff Urban wrote:
** Mere supposition, not one tiny bit fact.
No, here's a fact, THEY ARE CAPACITIVE.

Piezo devices have all kinds of wacky high-Q resonances that push the
impedance all around the place. Overall capacitive, but you should stick
it on a VNA to learn the truth.

Or just chuck them in the bin and replace them with something more
recent than the 1980s. Piezo's make my ears hurt.

Clifford Heath.