Magnetic speakers, also referred to as electrodynamic speakers, use a magnet and voice coil to convert electrical signals into sound waves. When an electrical current flows through the voice coil, it interacts with the magnetic field produced by the magnet, causing it to vibrate rapidly. This motion creates vibrations within the speaker cone that can be heard.
Magnetic speakers come in a variety of shapes and sizes, and are commonly used in audio devices like home stereo systems, car audio systems, and portable speakers. They produce high-quality sound with good bass response and crystal clear treble that can handle a wide spectrum of frequencies.
Magnetic speakers can be constructed with various magnet types, such as ferrite magnets and neodymium magnets. Neodymium magnets tend to be more powerful and efficient than their ferrite counterparts, enabling smaller designs that still produce high-quality audio.
Magnetic speakers can be designed to produce various types of sound, such as full-range which covers a broad frequency range or specialized sound for specific applications like tweeters for high-frequency sounds or woofers for low frequencies.
Magnetic speakers offer a versatile and reliable solution for producing superior sound in various applications.
Components: Magnetic speakers consist of several key parts, including a magnet, voice coil, diaphragm or cone and surround. The magnet creates an even magnetic field while the voice coil is simply wire wound around a cylinder that sits within it. As electrical current passes through this coil it creates its own magnetic field which interacts with the magnet to cause movement within it. Finally, the diaphragm or cone attaches itself to this voice coil and moves along with it in order to produce sound waves; its surround helps keep everything centered while permitting smooth movement throughout.
Efficiency: Magnetic speakers tend to be more energy-efficient than other types of speakers, such as electrostatic or ribbon ones. This means they can produce sound with less power consumption – an important factor when using portable or battery-operated devices.
Frequency Response: Magnetic speakers produce sound across a broad frequency range, from low bass tones to high treble tones. The response of a speaker depends on its design, including the size and shape of its cone or diaphragm.
Impedance: Magnetic speakers have a characteristic impedance, or resistance, to electrical current flow. This resistance varies depending on the design of the speaker and affects how it interacts with an amplifier or audio source.
Applications: Magnetic speakers are widely used in audio devices like home theater systems, car audio systems, portable speakers and headphones. They may also be found in public address systems, televisions and musical instruments.
Brand and Price: Magnetic speakers come in a wide range of brands, with prices varying based on the size, quality, and design. Popular models include JBL, Bose, Klipsch, and Polk Audio.