H-251/U

From RadioNerds
Jump to: navigation, search

H-251A-U.png

DETAIL SPECIFICATION SHEET HEADSET, ELECTRICAL H-251A/U 11 March 2004


Requirements

Weight:
12 ounces maximum.
Earphone:
Two required (1000 Ohms each), in accordance with MIL-PRF-25670/5 Part or Identifying Number (PIN) M25670/5-01.
Frequency response:
Output shall be 104 to 110 dB between 100 to 3,500 Hz.
Frequency response range:
100 to 3,500 Hz.
Sensitivity:
107 ±3 dB related to .0002 dynes/cm2 at 1 kHz.
Distortion:
5 percent maximum within the frequency response range.
Impedance:
1,000 ±100 ohms at 1,000 Hz with 1.0 volt applied across the terminals.
Endurance:
±3 dB maximum deviation from initial F/R after 8 hours with 500 milliwatts input power (22.4 volts) at 1,000 Hz.


Related Files=

Adobe_PDF_icon.png H-251A/U Specification