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Scope of Supply
1 HMEC 350 NoiseGard™
1 x 3-pin input socket for aircraft’s internal power supply
1 carrying case for headset and accessories
1 MZQ 2002-1 cable clip
1 MZW 45 windshield


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HMEC350_InstructionsForUse_EN.pdf

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HMEC 350 NoiseGard pilot headset-General Aviation 500561
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Description

Featuring NoiseGard active noise compensation and excellent passive attenuation, the HMEC 350 pilot’s headset is an ideal choice for helicopters, propeller and turboprop aircraft.

Features

  • Constant attenuation of up to 40 dB throughout the entire audio range
  • Superior speech intelligibility
  • Electronics fully integrated into headphone capsules
  • Can be used as conventional headphones when supply voltage is switched off
  • Noise-compensated boom microphone for superior speech transmission
  • 5 year warranty
Technical Data

Transducer principle (Headphones) dynamic
Ear coupling circumaural
Attenuation (active + passive) > 25 - 40 dB
Contact pressure ca. 10 N
Weight w/o cable 370 g;
Transducer principle (Microphone) Electret - MKE 45-1 bipolar
Max. Sound pressure level (aktiv) 120 dB
Output voltage 400 mV +/- 3 dB / 114 dB/SPL
Operating voltage (stand alone) typ. 16 VDC (8-16 VDC, 8-25 mA)
Operating temperature -10 °C...+55 ?C
Storage temperature -55 °C...+55 ?C
NoiseGard-Supply 12 - 35 VDC, ca. 27 mA, max. 80 mA
Specials NoiseGard on/off & mono/stereo switch
Connection cable 1.5 m
Connector 6.3 mmstereo-headphones, PJ-068-microphone, XLR-3 NoiseGard power, volume control for headphones
Frequency response (headphones) 45.....15000 Hz
Frequency response (microphone) 300.....5000 Hz

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OTHER BRANDS Neumann : Innovason: Kling & Freitag : Klein Hummel : Yellowtec : K-Array
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