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Motoring Made Simple
MURALIDHAR S.
Elvis is not sounding as charming in your car as in your home? Why isn't sound what it should be - music? Here are a few things you can do to get better.
Firstly, ensure that all your speakers are in phase. For that, unhook the speaker you want to test at the amp (both wires preferably). Using a 1.5-volt battery (any size), touch the positive terminal of the battery to the positive wire going to the speaker, and then do the same for the negative wire.
Have a friend look at the speaker. If the speaker pops out, the polarity is correct. If the speaker pops in, the speaker is out of phase.
To fix this, simply reverse the wires when hooking the speaker back to the amplifier. A word of caution here: DO NOT hold the battery to the speaker for more than a second - all you want to do is to see if it pops in or out. You will damage the speaker if you hold constant power to it. And please do not use a higher voltage.
It's in the head
The next step is to set all the sources and processors to "flat" on your head unit. Turn the loudness off. Set the bass, mid and treble controls to zero. Set all Equaliser (EQ) bands to 0dB.
Set the gains on all the amps and processors to the middle. Balance and fader controls should also be in the middle. By now, your stereo should sound pretty good. If not, check your installation.
Turn the gain control up until you get clipping - for instance, the bass, which is getting boosted nicely as you increase it, suddenly sounds flat. Go back one step until it sounds right and keep it there. Keep setting controls until everything sounds about perfect. Sounds better already? Enjoy the drive!
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