Car speakers produce sound when you’re listening to music or watching videos. They also allow you to make hands-free calls.
Car speakers: 8 key facts
- A wide-range speaker is perfectly adequate if you just listen to the radio or talk on the phone. It’s cheap, can produce a wide range of frequencies, and has a high level of sensitivity. However, distortion can occur when high frequencies are produced.
- A budget-friendly way to enhance the sound of a factory-installed stereo is to buy coaxial speakers. One unit combines several speaker drivers, each of which reproduces frequencies at a particular range. To prevent frequency ranges from overlapping, internal or external crossovers are used. These devices are compact and designed to be installed in the places specified by a car manufacturer. However, they cannot provide surround sound.
- Component speakers are the most expensive type. These devices are individual car loudspeakers designed to produce a particular range of frequencies each. To get surround sound, it’s important to consider the placement carefully.
- By frequency range of the produced sound, the different types include subwoofers (20–600 Hz), low-frequency or woofers (∼40–1,000 Hz), mid-bass (∼200‒4,000 Hz), mid-range (∼250–7,000 Hz), and high-frequency or tweeters (∼1,500‒20,000 Hz). These parameters must be taken into account when selecting sound system components.
- The lifespan depends on the surround material. Surrounds made from urethane foam are soft and flexible but start to fall apart over time. Textile ones lose their elasticity too quickly and get torn, preventing the speaker cone from moving freely. Rubber parts are durable and dampen vibration when the music is too loud.
- Special treatments are used to restore surrounds. They are usually applied with a paintbrush onto a clean surface.
- Cones of mid- and low-range drivers are made from wood, paper, plastic or Kevlar; those of tweeters from silk, aluminium, or titanium.
- To avoid distortion, it’s better to opt for components with a higher power rating than your audio system.
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