TEL1010_Headset
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Catalog excerpts

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Four Critical Factors to Consider

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The rush of the wind outside the cockpit. 1

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Sound is a critical part of the flying experience. When choosing an aviation headset, there are four important factors to consider: That’s why choosing a headset is so important. You want one that provides protection and, at the same time, lets you enjoy the ambient sounds that come with the territory. An aviation headset is a surprisingly complex piece of equipment; far more complex than a headset produced for consumer or land-based communication. While a headset may sound good on the showroom floor tuned to a CD, will it provide the same quality in the air? You don’t want to wait until an...

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Noise Reduction Noise reduction rating is measured in decibels (dB), or sound intensity. Most general aviation headsets provide from 10 dB to 30 dB of hearing protection. Minor differences in decibel ratings between headsets shouldn’t effect sound quality, since most people don’t notice a change in volume of less than 6 dB.

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Choosing a Noise Reduction Technology Low-frequency noises — such as engine and blade noise at around 90 Hz — cause the most long-term hearing damage, but not all headset technologies protect against those frequencies. These charts show the increasing noise protection provided by each type of technology. PASSIVE NOISE REDUCTION Reduces primarily high-frequency noise. Protection comes from thick ear pads made of gel or foam that create a seal around the ear. ANALOG ACTIVE NOISE REDUCTION (ANR) DIGITAL ACTIVE NOISE REDUCTION Adds another layer of protection via an electonic system inside the...

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Frequency Range Speaker tuning greatly affects communication clarity. Some headset manufacturers tune their speakers to make music CDs sound good on the showroom floor, which means they are tuning flat across all frequencies to pick up voice and the full range of musical frequencies. However, the FAA recommends aviation acoustics be tuned only to the frequency range of the human voice — from 350 to 3,000 Hz — to minimize distracting frequencies. When you listen to music on a speaker tuned to the FAA guidelines, it will sound tinny, since many of the bass musical frequencies

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Volume Adjustment Flexible Listening Headsets that let you adjust volume on each ear If you like to plug in accessories such as cell phones cup independently are helpful if you have a hearing and MP3 players, look for a dual adapter that lets you imbalance or there is a louder noise on one side of plug in both at the same time. It eliminates the need to switch cords during flight. The Telex dual cell phone/MP3 adapter also has a single switch, so you can immediately mute all accessory sound to hear important cockpit communication.

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Microphone Placement Transmission quality is affected by where the microphone is in relation to your mouth during transmission. It should be close and slightly to the corner to avoid extra hiss on sibilants like “c” and “s.” Hinged microphone booms typically bend in just one or two places. A fully adjustable boom allows you to place the microphone with great precision, on either the left or right side, and keeps the microphone firmly in place. Some pilots are initially attracted to headsets with in-the-ear speakers because they are lightweight. But the drawback is that the microphone is...

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Choosing a Microphone Technology voice coil A diaphragm is attached to a coil suspended in a large magnetic field. Sound waves move the diaphragm, generating an electrical signal. While these are inexpensive and durable, their magnetic field makes them susceptible to electromagnetic interference, which A charged, flexible diaphragm is placed a given distance from a fixed plate. Sound waves move the diaphragm, changing the distance between the plate. The changes are translated into electrical signals. NOISE CANCELING Some electret microphones have an added feature, in which carefully...

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Headband Adjustment There’s a misconception that lighter headsets are more comfortable, but weight plays a minor role in comfort. The key factor is adjustability. Over time, the clamping force of the headset can become uncomfortable and create hot spots. Look for a headset that lets you easily adjust each ear cup independently, since most heads aren’t symmetrical. The Telex ComfortCam™ technology offers quick and easy tension control for clamp-free flying.

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Bigger is Better Some pilots shy away from traditional aviation headsets because they’re worried about the weight. In fact, the more padding and surface area a headset has, the more comfortable it will be. Standard ear pads and headbands are thinner with less surface area, which puts more pressure on the head. Some headbands also have a joint at the top, which can pinch the head. Higher-quality ear pads and headbands are thicker with more surface area to dissipate the clamping pressure across a greater area. Larger pads also conform better around glasses to keep a tight seal over the ear....

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Choose the Headset That's Right for You Compare the four critical factors and other features of Telex headsets to other brands, and we think you'll discover why Telex is the headset of choice for more than 70 percent of commercial pilots and a growing number of general aviation pilots. To learn more, visit our Web site at www.telex.com/aircraft.

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What to Look for in Power Features Smart Auto Shut Off: Monitors the headset and all plugged-in accessories, and shuts off power when not in use, which prolongs battery life. Built-in Recharging System: A built-in system automatically recharges batteries while in use. Some headsets don't have a recharging system or only offer it as an optional feature. Look for models with the system built in. Built-in Panel Power Adapter: Lets you use power from your flight panel to extend battery life. Some headsets require you to buy a separate adapter. Look for models with an adapter included. Dual Cell...

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All TELEX Bosch Sicherheitssysteme GmbH catalogs and technical brochures

  1. US-690

    2 Pages

  2. MP785

    2 Pages

  3. AIRMAN 8

    2 Pages

  4. AIRMAN 750

    2 Pages

  5. AIRMAN 850

    2 Pages

  6. AIRMAN 7

    2 Pages

  7. AIRMAN 8+

    2 Pages

  8. Air 3500

    2 Pages

  9. C-Soft

    2 Pages

  10. RTS Matrix

    40 Pages

  11. RTS headest

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  12. Telex_Ascend

    2 Pages