Mô tả sản phẩm
Headset-Mic, Over-The-Head, Helicopter Aviation Headset
Thông số kỹ thuật
Ear coupling: Around-the-ear
Hardware: Steel
Connector Type: U-174/U
Connection Cable: ~ 5 ft. (1.5 m) coil cord
Weight w/o cable: ~ 16.5 oz. (488 g)
Dome type: ABS
Characteristic SPL: ~95 dB SPL (1 kHz, 1 mW) @
maximum volume nominal
Contact pressure: ~0.6 lb. (2.7 N)
Total harmonic distortion (THD): < 1% – 110 dB SPL (300 -3,000 Hz)
Transducer principle: Dynamic
Ear Impedance: 150Ω (300 each; wired in parallel)
Ear Freq Response: 200 – 5,500 Hz
Microphone principle: M-7A Amplified Electret
Mic Impedance: 50Ω +/- 20%
Mic Sensitivity: 400mV+/-6dB into 150Ω load @ 1kHz for 114dB SPL input
Mic Freq Response: 300Hz – 3.5KHz per RTCA DO 214
Mic DC Supply V.: 8-16V, not polarity sensitive
Source Resistance: 470Ω
