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      05-17-2008, 05:44 AM   #59
BigBanana
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Drives: Beemer F30 335D
Join Date: Jul 2007
Location: Staffordshire

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Quote:

I don't think you understand how amps and speakers work.

An amp has an input sensitivity not a gain. You are matching the output level from the head unit to the input sensitivity of the amp. Once this is matched the front and rear channels should be the same when the fader is set to 0.
The head unit outputs at 8v so you want the gain on -0, so as far left as it goes.

Wattage will give you more volume but it is not a multiple, it will be the same volume once the gain is set correct as the factory head unit, but it is not about volume it is more about headroom, you want to be able to get to the level you want without distortion, which starts to sound harsh and can cause damage.

You will find you can get to twice the volume easily without any distortion, it also doesn't actually sound as loud, but it fills the cabin and and has a wonderfully open sound stage, instruments are well separated, highs are clearer, bass hits harder and all round it just sounds better.

Ha ha ha ha ha...........

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