Nominal Frequency              (kHz)                                   

40/48/58±1

Capacity                              ( pf )

2000±15%

Ring Down Time                   (ms)

    ≤1.2

Sound Pressure Level         (dB)

  109±5

Sensitivity                            (dB)

   -70±5

Resistance                           (Ω)     

      500

Directivity                             ( °)

    90±5

Max. Input Voltage              (Vp-p)

      150

Operating Temp. Range       (^oC)

   -30-+80

Storage Temp.                     (^oC)

   -40-+85

Weight                                 (g)

       4.8