David Clark

What is wrong with my David Clark headset?

I have a brand new David Clark 10-76 headset. I also have a brand new military to general aviation adapter. I can hear fine at talk to other people in the plane fine, but when I contact tower, ground, or a unicom frequency, I hear a high pitched sound being emitted. What might be the problem? Thanks in advance.
Yes I have tried it on many planes, old as one from the 70’s (ish) and as new as a skyhawk from 2008.

That’s the problem with using military headsets on general aviation aircraft. You have an impedance mismatch. Military aircraft use low-impedance mics (5 ohms) and speakers (10 ohms) and GA aircraft use higher-impediance mics (50 ohms) and speakers (150 ohms). There is a conversion kit that replaces the mic and has the adapter cable to use this headset in a GA application.

http://www.mypilotstore.com/mypilotstore/sep/5286

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Therefore, when the airman is considering purchasing an aviator headset quality is important remember what important features to look for when buying a headset and then determine which brand may be the best headset for purchase. In particular, one such brand names as headphones "> headphones aircraft for a pilot is a David Clark Aviation Headset.

Important features of an Aviation headset

If the market for a new handset aviation, or buy the head of aviation first set is important to remember that a headset serves several purposes. Obviously, for pilot, in communication with the air and the airport tower is essential. It is therefore important to consider the aviation headset that meets these needs communication.

In particular, not only is it important to make sure that the headset is connected properly with the radio, but another important aspect may be the ability to use a cell phone as part of a plan for backup communications.

In particular, aviation headphones have a switch cell phone attachment or embedded in the handset. This is a backup plan in the best case there is a problem in flight communication. By adding this push to talk or use a switch built in cell phone attachment, which allows the pilot to communicate to the land where there is a breakdown in communication aircraft system.

Furthermore, another important characteristic of an aviation headset is the use of a headset that not only the passive noise reduction, but active noise reduction. Specifically, most headphones have a passive role of noise reduction built into the unit. This reduction Passive noise reduction is simply a noise when the headset fits over the ears.

However, an active system of noise reduction is an electronic element that use batteries. When you activate the switch, the unit helps to reduce high levels of noise that usually belong to the drivers ear. These high noise levels could be the hum of the engines or propellers. Therefore, with a further reduction in noise levels, is the resultant effect for the pilot to be more sensitive to capturing sounds in the cockpit. Some of the sounds that can be picked up in the cab engine noise may be irregular or problems that one can hear when the landing is art is activated.

Whereas David Clark Aviation Headsets

One of the famous aviation headsets on the market today is the David Clark headset. The popularity of this type of hearing aid is that the recognizable colors of copper and green are basically the best option for every movie star who plays a pilot in the aviation movie. However, the establishment of all that, it is also important to consider some features specific about David Clark headsets.

First of all, as with any product, there are pros and cons with respect to any manufactured product. Hence, to talk about the positive aspects of this type of aviation headset, transmitting many positive comments on sound quality, the level of active noise reduction, the comfort that these headphones offer in particular and the durability of these units.

However, on the other hand, some observations against this set of headphones aviation include the observations that the frame is too large, the difficulty in adjusting the unit, in addition to being inflexible.

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