What Is A Active Crossover

A high end audio system has a very essentialappropriate amplifier is chosen and then each
integral part which is the crossover. This is usedcross overs output is connected to it. The
for maximum audio clarity. It can be done bynecessary electrical connections are made initially.
filtering all audio signal by frequency and then theyA 12 volt DC power is required for the cross
are directed to the correct amplifier and then toover to run. The other essential thing is a power
the speaker. There are two types of cross over.supply to the car's battery.
One is the active cross overs which gives aA link to the ground should be made to the car's
better clarity sound by proper adjustment andchassis. To avoid drainage from the cross overs
filtration of the audio signals. And the other is thebattery an electrical signal must be made to run.
passive cross over which is low adjustable andThe low pass filter of the cross over can be set
also produces low quality sounds. But how to setat 80 Hz. Only frequencies like bass and kick drum
up active cross overs?having a frequency of 80 Hz or below can pass
There are few steps with which the question canthrough. This kind of filter setting is essential for
be answered. These active cross overs areusing sub woofer routed from the output.
generally used in a car audio system. These alsoA high pass filter of the cross over can be set
find application in home theater systems andfor 3000 Hz which allows frequencies like cymbals
public announcement rigs. A tri amped audioand acoustics harmonics to pass through. The
system and a three way active cross over isfrequencies below 80 Hz and above 3000 Hz are
required to accomplish this task.cut off.
The first step in this task is to choose a locationThe cross overs are adjusted based on the music
for the mounting of the active cross over someand the taste of the listener. This is done to
where in between the amplifier of the systemmatch the speakers and amplifiers. Moving one
and the stereo head unit. The cross over is thenfrequency range must be accompanied by
mounted in the chosen location. Keeping the crossadjusting the other accordingly. The mounting of
overs behind the car's dash panel seems to be athe cross over must be made in an easily
good option in cases where you do not want toaccessible area.
adjust the cross over later. Installing it in the trunkCross overs can be used for increasing the quality
or under the seat would be a good option if youand clarity of sound but the question how to set
prefer to have direct controls on the cross over.up active cross overs makes it look like a big
The active cross overs audio output is connectedtask but by following these simple steps one can
to the stereo unit's audio connections. Theeasily accomplish the task.