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Arghh Help With Amp Plzz

_bobo_

By _bobo_,
in Car Audio & Electrical

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_bobo_ Mentor

_bobo_

Posted
Posted

Ok about 1 month ago i bought my sound system

sub amp speakers head unit

got it all installed professionally and everything works fine..

when i was buying the stuff i bought a 1200w sub and asked the sales guy from Repco to reccomend a suitable amp to handle it....he said a 300w amp would be enough.. at this time i asked wouldnt i need something larger hes like nah should be fine...so without asking around i bought it....

last weekend friend was checking out the system and noticed the bass didnt sound right so he checked it out in the boot and said that 300w is not nearly enough and that i need atleast 800w amp....is this correct??

all i really need to know is ...should i sell my amp now and buy 800w amp ???

thankss

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_bobo_ Mentor

_bobo_

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also would anyone be interested in a Pioneer Amp if i put it up for sale

I can provide reciept

Im on my L's still so system isnt even used everyday mainly weeekends so practically brand new

Its a Pioneer GM-3300T

trism Community Regular

trism

Posted
Posted

ok, so the ratings that you were told/supplied us are the MAX power ratings used by manufactueres to con people with little knowledge of car audio, such as yourself (no offence intended, its the truth) what you need to be looking for is constant power rating.

that amp is 300watt max. 150wrms. (constant)

what sub do you have? what is the constant rating?

another thing you need to remember is that the gain control on the amp is NOT a volume control for teh amp. it is also known as the input sensitivty. dont have this on max, as it will cause the amp to clip, possibly damaging the amp.

trism Community Regular

trism

Posted
Posted (edited)

ok, so basically, that means that the sub can handle 400watts continuously, and a burst of 1200watts for a short period of time (like, a second or 2)

you amp is 150wrms, meaning the sub is underpowered.

generally its a good idea to get an amp that can put out more power that the sub can handle. what this will allow you to do is have the gain low, and the amp will never be strained, and will run cooler, draw less power, etc.

look at something around 500wrms

dont get a multi channel and bridge it either, get a monoblock amp, these are designed specifically to run subs, so have beefier power supplies, etc etc

Edited by trism

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