HMEC 45 NoiseGard™
Headsets | Pilot´s Headset with NoiseGard™ Active Noise Compensation
General Description
The HMEC 45 is a very lightweight and comfortable open pilot’s headset (boomset) with NoiseGard™ active noise compensation. Different connector and powering versions are available to suit every conceivable cockpit configuration.
Technical Data
Cat. No. 004498 |
HMEC 45 |
Cat. No. 004497 |
HMEC 45-CA |
Cat. No. 004498 |
HMEC 45-KA |
Cat. No. 004649 |
HMEC 45-KAX |
Features
Noise reduction of approx. 10 dB – consequently ATC signal can be decreased
Lightweight, with soft ear pads
Two-piece adjustable headband ensures a secure fit
Boom microphone with noise-compensated electret capsule
Adjustable microphone boom can be turned through 350° and thus be worn on either side
FAA and JAA TSO approval C 57 a and C 58 a
Delivery includes: 1 HMEC 45 headset, 1 MZW 45 windshield 1 MZQ 2002-1 cable clip
Recommended Accessories |
|
HZH 60 hygiene pads (100 pairs) |
Cat. No. 003553 |
HZP 45 comfort hygiene pads |
Cat. No. 091592 |
Replacement Parts |
|
Ear pads(1 pair) |
Cat. No. 046581 |
MZW 45 windshield |
Cat. No. 075823 |
Headphones |
|
|
Transducer principle.............................................................. |
|
dynamic |
Ear coupling........................................................... |
|
supra-aural, open |
Frequency response................................................. |
|
20 – 18,000 Hz |
Impedance active/passive............... |
600 Ω/160 Ω (2 x 1,200 Ω/ |
|
|
|
2 x 320 Ω connected in parallel) |
Nominal SPL......................................................... |
|
102 dB/SPL ± 3 dB |
(1 kHz, 1 mW)............................................... |
|
(as per RTCA/DO 214) |
Active noise compensation......................... |
10 dB ± 3 dB between |
|
|
|
400 Hz and 1 kHz |
NRR (Noise Reduction Rating)................................................ |
11 dB |
|
THD................................................................................................ |
|
< 1 % |
Contact pressure........................................................... |
|
approx. 1.6 N |
Weight without cable ............................................................... |
|
140 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 |
|
|
(as per RTCA/DO 214) |
Terminating impedance .......................................................... |
|
150 Ω |
Operating voltage....................................... |
|
8 – 16 V DC, 8 – 25 mA |
|
|
(as per RTCA/DO 214) |
General Data |
|
|
Connection cable............. |
single-sided round cable, length 1.8 m |
|
NoiseGard™ supply |
|
|
-CA/-KA...................................................... |
|
2 x 1.5 V AA batteries or |
|
2 x 1.2 V AA rechargeable batteries |
|
-KAX ................................................ |
|
12 – 35 V DC from the aircraft, |
|
|
via XLR-3 connector |
Operating time approx. |
|
|
-CA/-KA........................................................................ |
|
Batteries: 80 h |
|
|
Rechargeable batt.: 20 h |
Switch -CA/-KA ................................... |
|
Battery/NoiseGard™ on/off |
Indicator -CA/-KA ...................................... |
|
green LED for Power On |
Connector(s) |
|
|
-CA ............................................................................................... |
|
XLR-5 |
-KA |
|
|
Headphones..................................... |
|
1/4” stereo jack (6.3 mm Ø) |
|
|
(converted to mono) |
Microphone ..................................................... |
|
PJ-068 (5.25 mm Ø) |
-KAX |
|
|
Headphones..................................... |
|
1/4” stereo jack (6.3 mm Ø) |
|
|
(converted to mono) |
Microphone ..................................................... |
|
PJ-068 (5.25 mm Ø) |
NoiseGard™ supply.................................................................. |
|
XLR-3 |
Loading...