David Clark H10-66 Aviation Headset
David Clark H10-66 Aviation Headset
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Description and Features

Earphone Type: Dynamic
Earphone Impedance: 150 ohms (300 Ohms each; wired in parallel)
Earphone Sensitivity: 90 dB SPL on flat plate coupler, re 1mW input @ 1KHz
Earphone Frequency Response: 100 – 5,500 Hz
Boom Type: Hinged wire
Headpad/Hardware: Super-soft, foam
Ear Seals: Undercut, comfort-gel
Microphone: M-101 Amplified Dynamic or non-amplified
Mic Impedance: 5 ohms +/- 20%
Mic Sensitivity: Non-amplified = .07 – 14mV @ 1khz for 103dB SPL input or Amplified = 400mV +/- 6dB into 150 ohm load @ 1kHz for 114dB SPL input
Mic Freq Response: 300 – 3000Hz
Comm Cord: 5 ft. coil
Plug Type: U-174/U
NRR: 27 dB