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18283G-02 Model H10-56

CODE: 120382

Super Soft Head Pad

New Comfort gel, undercut ear seals

Hinged wire boom with the M-101 amplified Dynamic microphone

Conforms to MIL-M-27291A

Coil Cord (5' extended) with U-174/U Plug

5-year Guarantee

FAA TSO Approved C57 Cat. B and C58a

Exceeds RTCA/DO-214 Standards

Weight (without cord assembly): 20 oz.

NRR 27 dB	NOISE ATTENUATION DATA - MODELS H10-56
	Frequency (Hz)	125	250	500	1000	2000	3000	4000	6000	8000
	Attenuation (dB)	17.6	25.0	30.9	33.9	36.9	38.4	39.0	37.7	35.7
	Standard Deviation	1.9	3.0	2.2	1.3	1.5	2.1	2.1	2.5	2.2


Earphone Type:	Dynamic	Noise-Canceling Mic:	M-7A Amplified Electret
Earphone Impedance:	150 ohms(300 each; wired in parallel)	Mic Impedance:	50 ohms +/- 20%
Earphone Sensitivity:	90 dB SPL on flat plate coupler, re 1mW input @ 1KHz	Mic Sensitivity:	400mV RMS ±6dB into 150 ohm load @ 1kHz for 114dB SPL input
Earphone Frequency Response:	200-5,500 Hz	Mic Freq Response:	300Hz--3.5KHz per RTCA DO 214
Earphone Plug:	PJ-055 (.25" phone plug)	Mic Plug:	PJ-068 (.206" phone plug)
Boom Type:	Universal Flex	Cord:	5 ft.Straight
Headpad/Hardware:	Super-Soft, Double-Foam Headpad,Lightweight Hardware	Weight/Headset Only:	16.5 oz.

18283G-02 Model H10-56