Speakers for amateur radio equipment and transmitters from base and dual band hf vehicle of various brands such as yaesu icom and kenwood.
The speaker is an actuator that converts an electrical signal into sound waves. You can then define an electroacoustic transducer. The sound is essentially generated by a series of compressions and rarefied air, the speaker's task is to generate such compressions and rarefied nessosis in the listening environment. The current speakers are moving towards an ever-shrinking size-to-power ratio in order to minimize clutter, so that if an 8-inch (20.32 centimeter) speaker was once synonymous with low power (8/10 watts)