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US-4008C
Transducer Type : Micro Dynamic Receiver
, US-2808C
, US-2808D
, US-3750A
, US-3750B
, US-3750C
, US-4008C
, US-4028A
, US-3516A
, US-3616A
, US-5004B
, US-5016A
フ40.0 X T21.7 [mm]
30 ‐2.0g
8 ヘ ‐ 15 % with 1[V] @ 1[kHz]
87 ‐5 [dB] at 500Hz
Unsymmetrical rectangle pulse shape (50% duty cycle),
5.6 V0-p(1W/1m on pcb in front of 1*1m baffle board mounting)
0.7W/1.0W
500[Fo] Hz ~ 20 kHz
Should not be audible at 2.36V sine wave
from 500 Hz to 20 kHz