Car Audio History
There are many jobs that involve electrical circuits, such as: a car audio technician, an
electrician, and an instrumentation technician. Though these jobs may be different, they all
have one common thing between them: they all involve electrical circuits. Let s first talk about
a car audio technician. Car audio has come a long way since the first commercial radio, the
Model 5T71, released in 1930. Car audio has evolved from just the basic AM receiver with a
speaker, to a more complex system. Radios today have multiple ways of listening to music, such
as: the radio, itself, CD players, iPods, USB flash drives, SD cards, and Bluetooth. Every car
audio system has three basics parts to it: the head unit (the radio), an amplifier, and the speakers.
When the head unit first came out the only source for audio was AM radio. Many years later,
FM radio, 8 track, and cassettes came out. Many head units today come stock with CD players
and FM radio. Some factory head units can even receive satellite radio. Many cars now come with
Bluetooth, navigation, and various ports for connecting a music player, such as an aux port and
USB port. Most head units offer the ability to adjust the tone of the audio coming out of the... Show
more content on Helpwriting.net ...
The amplifier makes the sounds coming from the speakers stronger and clearer. The speakers
are what the audio comes through. There are three different types of speakers one can have in
their car audio setup. First, there are the tweeters. The tweeters produce the higher frequency
sounds that the mids and lows can t. Second, there are the mids. The mids produce the middle
ranged frequencies, and lastly, the subwoofer (lows). The subwoofer can produce audio as low as
20 hertz. The way all of these components works is that the amplifier is connected to the car
battery, which provides power, the amplifier is also connected to the radio, which sends a signal to
the amp, telling the speakers what type of audio to
... Get more on HelpWriting.net ...