Sennheiser HME 105 User Manual

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HME 100
Headsets | Pilot´s Headset
General Description
The HME 100 / HME 105 / HME 120 is a pilot’s headset with closed ear
protector headphones and excellent passive noise attenuation for use in
helicopters, propeller and turbo-prop aircraft.
Features
Constant attenuation of up to 40 dB
Advanced transducer design ensures excellent speech intelligibility
Headphone volume control
Noise-compensated boom microphone for superior speech transmission
Delivery includes: 1 HME 100 / HME 105 / HME 120
1 carrying case for headset and accessories
1 MZQ 2002-1 cable clip
1 MZW 45 windshield
Recommended Accessories
Gel ear pads Cat. No. 083140
Replacement Parts
Ear pads (1 pair) Cat. No. 050799
MZW 45 windshield Cat. No. 075823
Technical Data
Headphones
Transducer principle ............................................................ dynamic
Ear coupling........................................................circumaural, closed
Frequency response ................................................ 45 – 15,000 Hz
Nominal impedance active/passive
HME 100/105/120........................................................150 , mono
HME 100 ..................................................300 per system, stereo
Attenuation (passive) .................................................> 10 – 40 dB
NRR (Noise Reduction Rating) ................................................24 dB
Contact pressure ...........................................................approx. 10 N
Weight without cable ...............................................................350 g
Microphone incl. Preamplifier
Type....................................................................................... MKE 45-1
Transducer principle ...............back-electret condenser capsule,
noise-compensated
Frequency response ................................................ 300 – 5,000 Hz
Max. SPL ................................................................................... 120 dB
Output voltage ...............................400 mV ± 3 dB at 114 dB/SPL
(as per RTCA/DO 214)
Terminating impedance...........................................................150
Operating voltage....................... 8 – 16 V DC, approx. 8 – 25 mA
(as per RTCA/DO 214)
General Data
Connection cable
HME 100/105 .................single-sided round cable, length 1.5 m
HME 120 ................................................... single-sided coiled cable
Connectors
HME 100
– Headphones......................................................... 1/4” stereo jack
– Microphone ................................................... PJ-068 (5.25 mm Ø)
HME 105
– Headphones + Mic.................................................................XLR-5
HME 120
– Headphones + Mic.............................................................U-174/U
Specials
HME 100/105/120............................. headphone volume control,
HME 100 ............................................................mono/stereo switch
Operating temperature ...................................... – 15 °C ... + 55 °C
Storage temperature ...........................................– 55 °C ... + 55 °C
Cat. No. 004701 HME 100
Cat. No. 005182 HME 105
Cat. No. 004702 HME 120
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Summary of Contents

Page 1 - Headsets

HME 100Headsets | Pilot´s HeadsetGeneral DescriptionThe HME 100 / HME 105 / HME 120 is a pilot’s headset with closed ear protector headphones and exc

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