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US-4028A
Transducer Type : Micro Dynamic Receiver
, US-2808C
, US-2808D
, US-3750A
, US-3750B
, US-4028A
, US-3516A
, US-3616A
, US-5004B
, US-5016A
40mm X 28.5 mm X 11.3 T
12.0 ‐ 1.0[g]
8 ヘ ‐ 15 % with 1[V] @ 1[kHz]
82dB ‐ 3dB (1W/1m) 800Hz. 1.0k, 1,2k, 1.5kHz Average
1.0 W / 2.0 W
500 Hz ~ 20 kHz
Should not be audible at 2.83V sine wave
from 500 Hz to 20 kHz