Central frequency   kHz                                                      

40.0±1.0

output sound pressure  dB@30cm/10V sine wave

≥100

Receive sensitivity    dB / v / μbar

≥-74

Directivity(-6dB)  deg.

Horizontal:60

Vertical:30

Ringing time   ms  

≤0.8

Capacitance   pf @ 120Hz  25°C

2000±10%

Input voltage   Vp-p

≤140

Operating Temperature   °C

-40~+80

Type of wire

75Ω-2

Length of the lead wire    mm

2500±50

color

/

Type of terminal

XH.2P