Air Horns Use an Air Compressor
Air horns, so named being they rely on air Stirring down a assemblage of trumpet-like horns, are direct to their agname owing to they rely on air forced concluded the horns to build sound. Owing to there is appreciable resistence in an air horn, effectual electric air compressors assemble tremendous amounts of air at a too big pounds-per-square-inch (PSI) energy. This air is routed ended tubes to the horns, where it Testament finally pass into a source of sound.
This vibration is carried to and magnified by the bell of the horn, which then vibrates at the same frequency. The vibrations are carried through the air and, ultimately, received by the human ear as sound. Because air horns typically use a collection of horns powered by one or more compressors, and because the entire horns vibrate to transfer powerful vibrations to the air, the sound produced by air horns is heard as significantly louder than typical automotive horns.
Air Flows Through Horns
When the compressor is activated and large amounts of air flow to the horns at very high pressure, the horns allow the air to quickly pass through and escape. A metal (or, in typical automotive use, plastic) diaphragm inside the horn oscillates between its open and closed position as the air passes through.