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How to ajust amplifiers (car audio)

To whom it may concern please help.
How do i go about to adjust my cars amplifiers and midrange crossovers.I have installed to Star sound 4 channel amps.Please can u help how must i adjust level,bass boost,lpf,x-over,lpf,subsonic,bass boost frequincy(12db 6db 0db) ect.
If you can help it would be most appreciated.
Thanks Barney Nel Westrand.

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  • Caleb Judd May 11, 2010

    Need more info on how this system is set up. which speakers/subs are connected to what etc.

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MOST OF THE TIME U WANT UR AMP RUNNING UR SUBS TO MAKE THE SUBS SOUND REALLY DEEP AND HITE REALLY HARD BUT BE CARFULL WITH THE BASS BOOST IT CAN BE TO HIGH AND CAN BLOW UR SUBS, NOW WITH UR AMP RUNNING UR MIDS U DONT WANT A LOT OF BASS MAYBE NOT AT ALL CAUSE UR SUBS WILL HANDLE THAT, SO U WANT A LOT OF TREBLE WHICH SHOULD BE THE LPF, O AND ANY WHERE FROM 6DB-12DB WILL BE GOOD.

Posted on Jun 18, 2009

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How To Bi-Amp And Bi-Wire Speakers!


What is the difference between bi-wiring and bi-amping?
Bi-wiring is using the same power source (amplifier) but separately connecting that power source to a woofer and a midrange/tweeter on a speaker.

Bi-amping is using two separate power sources (amplifiers) and connecting one amplifier to a woofer and the other amplifier to a midrange/tweeter on a speaker.

How do I bi-wire?
Your speaker must have two separate positive and negative connections (one set for the woofer and one set for the midrange/tweeter). Connect one wire between the positive terminal on the amplifier/receiver the positive terminal on the speaker. Connect the other wire from the negative terminal on the amplifier/receiver to the corresponding negative terminal on the speaker. Remove the jumper straps connecting the two sets of speaker inputs. Repeat this process for the second set of terminals on the speaker, connecting them to the same positive and negative terminals on the receiver/amplifier. Repeat the steps for each speaker you wish to Bi-Wire, connecting them to the appropriate terminals on your receiver/amplifier.

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How do I bi-amp?
Bi-amping is similar to bi-wiring, but involves separate amplifiers: one for the woofer and one for the midrange/tweeter. Passive bi-amping involves a direct hookup between each amplifier and the speaker terminals. True bi-amping involves hooking the preamp to an electronic crossover that replaces the passive crossover network in the speaker. The active crossover then connects to multiple power amplifiers.

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