505672 HMEC 26-2-1 Aviation Headset, without Cable, Sennheiser

Description:

505672 HMEC 26-2-1 Aviation Headset, without Cable, Sennheiser

Aviation headsets of the HMEC 26-2 line are replacing the HMEC 26 headsets. This is a lightweight and comfortable headset with closed headphones and active noise cancellation NoiseGard. The headsets are designed for the crew of commercial jet aircraft.
Attention! The cable is not included in the scope of delivery of this model!

Lightweight.
Extremely comfortable with soft ear cushions and dual auto-adjusting headbands.
Active noise cancellation NoiseGard.
Peak Level-Protection protects hearing from peak levels in excess of 110 dB.
Hinged headphone cups; you can listen with one ear.
Flexible microphone holder, can be mounted on the left or right.
Noise-canceling microphone for excellent speech intelligibility Easy to replace cable with one attachment point.
ETSO-C139 certification.

Weight: about 210 g.
Headphones:
Converter type / principle: closed / dynamic.
Ear pads: overhead.
Frequency Response Range: 20 - 14000 Hz.
Nominal impedance (active / pass.): 600 Ohm (mono); 1200 Ohm (stereo).
Maximum SPL: 120 dB SPL (at 1 kHz).
Active noise cancellation: 18 dB (100 - 300 Hz).
Passive noise reduction: 15 - 30 dB.
Contact pressure: 3.9 N.

Microphone:
Transducer type: electret with noise compensation element.
Frequency Response Range: 100 - 6000 Hz.
Output voltage: 17 - 100 mV / Pa
BKE 46-1 (HMEC 26-2-1, HMEC 26-2-T): 60 mV / Pa + 1dB, factory setting: 600 mV + 1dB at 114 dB SPL.
Terminal resistance: 150 - 2200 Ohm.
Power supply: 8 - 16 V DC.