Piezo transducers:
PCA-2B
| Sound level [dB] | 110 |
| Resonant frequency ±0,5 [kHz] | 3,5 |
| Capacitance ±30% [nF] | 90 |
 |
 |
 |
PCA-3B
| Sound level [dB] | 110 |
| Resonant frequency ±0,5 [kHz] | 3,5 |
| Capacitance ±30% [nF] | 90 |
|
|
|
PCA-3U
| Sound level [dB] | 100 |
| Resonant frequency ±0,5 [kHz] | 3,5 |
| Capacitance ±30% [nF] | 45 |
|
|
|