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Author Topic: Audio setup 101  (Read 4065 times)

Offline eyds

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Audio setup 101
« on: August 28, 2010, 11:41:46 AM »
Hi mga sir, i would want to really understand car audio networks.

Ano po ba ang gamit ng crossover sa separates? bakit po kailangan pa ng crossover in terms of sound quality? pangit po ba kung walang crossover yung mga front and rear speakers mo? and lastly kung gagamit ka ba ng crossover kelangan po bang dumaan muna ito sa amps?

pano po connection nun?

Maraming salamat po and im looking forward that i could learn from you expert peeps...


Leo C.

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Re: Audio setup 101
« Reply #1 on: August 28, 2010, 01:16:25 PM »
Sound is divided into frequencies. The low frequencies a person can hear is around 20-30 hertz, 30-500 hz (low to upper bass), 500-2000Hz (human speech), 2000-8000Hz (higher human speech, pianos, etc), 8,000-16,000Hz (sound of the letter "s", bells, etc.) There is no single speaker that can reproduce the whole frequencies from 20 to 16-20,000Hz.  That is why we use several speakers to handle sound.  Subwoofers for lows, midrange speakers for mids, and tweeters for highs.

When the amplifier sends out a full range signal ex: 50Hz - 16,000Hz and you have separates to accept those signals (a tweeter and a midrange speaker or woofer) you need to divide the frequencies in such a way that the lows will go to the midrange/woofers speakers and the highs will go to the tweeters.  Another name of the crossover network is the dividing network.  The highs will not go to your big speaker and the lows will not go to your tweeters and just distort your sound and eventually destroy your speakers. So, in effect you will have a high quality sound.   Sound set-up is an art. There are several ways to install depending on a lot of factors.  It starts from the type of music you prefer, to the type of vehicle you have, to the amount of space you are willing to give-up, to the equipment preferred, etc., etc.

Offline eyds

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Re: Audio setup 101
« Reply #2 on: August 29, 2010, 09:58:32 PM »
Well said sir Vivo  :applause:. Thanks for humbly sharing your craft and I am now starting to appreciate car audio setup.

But can i just ask the connection of a crossover network?

Should it be:       head unit TO crossover TO amp To speaker


                              head unit TO amp TO crossover TO speaker

When does a charging capacitor come in your set up?

thanks again in advance....

Leo C.

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Re: Audio setup 101
« Reply #3 on: August 30, 2010, 09:58:13 AM »
Usually crossovers would be just before the speakers after the amps. It comes when you buy a set of separates. These are passive crossovers. The other type is the active or electronic crossover. These usually require power and the frequencies are adjustable.    Another way to adjust frequencies before the amplifier is to install a pre-amp equalizer.

Capacitor? It depends.  The degree of help a power capacitor will give you depends on your  car audio amplifier or amplifiers, current draw, music type and listening habits.
Sometimes, you wont need a capacitor. Some would just add extra batteries to have a steady supply of power.   Another important thing to have is a high output alternator.  Usually, diesel vehicles are ideal for sound set-up because of their high output alternators. It wont have a difficult time charging extra batteries. 

You would have to decide on whether you will need a capacitor or not.  If you need sudden burst of power, like when playing loud rnb music, you may need a capacitor because batteries cannot supply sudden bursts, steady lang. Let us compare a capacitor versus a battery.  A capacitor is like a pail of water with a "tabo". You can get big amounts of water immediately as needed. A battery is like your faucet, it can supply you with all the water you need but just a steady amount all the time.  The battery just like a faucet will be charging your capacitor or pail which will be ready anytime you will need large amounts.  It should also must be positioned nearest your amp to avoid losses.

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