Every time a fire engine or a police car with a siren and horn approaches or drives by, it makes an impression. The special tone, a mixture of volume and pitch, makes you sit up and take notice. The best-known manufacturers are the American manufacturer "Hadley", the Italian FIAMM or the Swiss supplier Kockum Sonics. As a car tuner that is not on public roads, it is almost a must to get such a device for your vehicle. This guarantees fun at tuning meetings. In the following, we will deal with the topic of air horns, aka train horns, aka horn blasters, compressor horns, etc.
Advantages of compressor horns?
The benefits of air horns are obvious to tuners. Due to their appearance, air horns on vehicles are an optical eye-catcher. The almost always trumpet-shaped horns are striking. Even more attention can be paid when you mount chrome-plated or even gold-plated air horns on or on your vehicle. In addition to the pure appearance of course makes the unfamiliar sound in the people impression. Here you differ immediately from all other cars or motorcycles, which are equipped with a standard horn. The sound is specific and can even be controlled individually. Also multi-toned air horns are possible, so that even melodies can be created. Another advantage is the regulation of the volume. By changing the air pressure and the air volume, which is pressed by the air horn, the volume can also be increased or decreased. Modern air horns have an electronic control, so that they are programmable and you can change the volume and melody accordingly. Not everyone has to wince so inevitably ^ ^.
What are the disadvantages of air horns?
A disadvantage of air horns is their large space requirement. The assembly of air horns requires appropriate space and space. Thus, it is not always possible that you can mount each air horn on his vehicle and use. Under certain circumstances, substantial structural changes are necessary if a compressor with approx. 3 liters of capacity must be installed in order to generate the required 8-10 Bar air pressure. And due to the large space requirement, the air horns themselves can not always be mounted under the bonnet. Thus, the assembly must often be done on the body. This results in that the aerodynamics of the vehicle is changed. Depending on the attachment, an air horn can make lasting and unpleasant noises by the wind. In a truck maybe ok, but in a car but nonsense. The use of air horns in public traffic is particularly important. Depending on the attachment and design, air horns must be approved and registered accordingly by the TÜV. If certain limit values are disregarded, use on public roads is not possible. So forget about the systems from the many American "Train Horn (Horn Prank)" videos that frighten people by the dozen.
What to look for when using air horns?
When using air horns (Compressor horns, bugles, fog horns etc.) make sure that these are initially installed firmly on or on the vehicle in accordance with the operating instructions so that they do not fall off. Furthermore, it must be ensured that, according to Paragraph 55 StVO, only one signal generator may be operated at the same time, thus eliminating multi-toned air horns. Also, the maximum volume limit of 105 should not be exceeded. Basically, the use is only allowed to warn other road users. Other road users must not be frightened or harassed. The use in the private sector or exclusively for tuning purposes is also possible to a louder extent.
There are also DB limits at tuning meetings
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