Sennheiser HMD 46-31
The Sennheiser HMD 46 series is a very lightweight and comfortable open boomset for controller. It is ideal for air traffic control. The headset is equipped with ActiveGard TM (not including HMD 46-31), which protects controllers from the effects of an acoustic burst.
Features:
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Extemely light weight
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Superb wearing comfort due to patended two-piece automatic headband and soft ear pads
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Flip-away headphone allows single-sided listening
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Flexible microphone boom, can be worn on either left or right-hand side
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Noise-compensated dynamic microphone ensures excellent speech transmission
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Single-sided cable, length 1.85 m, easy to exchange (not included!!)
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Also available with PTT
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ActiveGard safeguards the user from the effects of an acoustic burst
In the box:
- Headset Sennheiser HMD 46
- Cable clip
- Wind and pop screen
- user manual
Technical specifications:
| Color | black |
| Impedance | 300 Ohm 200 Ohm |
| Frequency response (Microphone) | 100 - 12,000 Hz |
| Frequency response (Headphones) | 20 - 14,000 Hz |
| Characteristic SPL | 98 dB SPL (1 kHz, 1 mW) / 86 dB SPL (1 kHz, 1 V) |
| THD, total harmonic distortion | < 1 % - 95 dB SPL (300 - 3.000 Hz) |
| Contact pressure | approx. 3 N |
| Ear coupling | supraaural |
| Connection cable | single-sided round cable, length 1.85 m, open ends (not included!!) |
| Transducer principle | dynamic, open dynamic, noise compensated |
| Weight | approx. 150 g |
| Pick-up pattern | super-cardioid |
| Sensitivity in free field, no load (1kHz) | 0,5 mV/Pa |
| Storage temperature | -55 °C... +70 °C |
| Operating temperature | -15 °C... +55 °C |
