Nominal Frequency                  (kHz)                                   

    40±1

Capacity                                   (pf)

2000±15%

Ring Down Time                       (ms)

     ≤1.2

S.P.L                                        (dB )

   105±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)

       2.9