One of the problems could be the speakers efficiency, expressed as sound
pressure level (spl). Aftermarket speakers tend to require more power
to drive them (less efficient) but the sound is more accurate. The
factory head unit is massively over rated, in reality puts out in the
vicinity of 7 watts (RMS, not max.), and very low voltage. My Alpine,
rated at 40 watts per channel max. puts out closer to 20w. RMS, and 5
volts. If you add an amp and a new head unit, your power will increase
enough to power those JBLs to volume levels you never had with the stock
ones.
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SoCal DOC
NVMYDakota@aol.com wrote:
>
> I gotta question I have two JBL Power Series 5.25 in my Doors, at first
> theyseemed nice, then it seemed like they were distorting, then I made custom
> boxes behind, problem one fix, next problem is volume level. They jsut don't
> play loud, I think it's the lack of wattage (40 Max outa head unit, they can
> handle 120 Max) I am guessing some factory setups are louder because the
> speakers are rated right at the ehad unit's output. please help, Greg
-- Shadowcatcher Imagery http://members.tripod.com/~shadowcatcherimagery/index.htm
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