Testing A Speaker; How To Tell If It’s Any Good
Testing A Speaker How To Tell If It’s Any Good By Chuck T. Lets start out by saying experts recommend using a speaker in your car with a plastic cone; not paper. A paper cone is more likely to warp when it adsorbs moisture. A speaker works by having an electromagnet’s magnetic field work against the field of a permanent magnet. The speaker makes sound by feeding a variable current into a coil while a permanent magnet attempts to hold the coil still. The current contains the sound information and…