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Old 13th February 2009, 01:57   #1
AlexGreen
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Decent speakers can handle a lot more power than they are rated at. My components are only rated at 40wrms and i am running them of a rated 90wrms from my amp. As long as the signal is clean (distortion free), and the gains are set correctly then you will be quite unlucky to damage your speakers by overpowing them as you will have to do so by a lot of power.

You can also damage a speaker by underpowering them.
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Old 19th February 2009, 22:02   #2
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Originally Posted by infinitym4ge View Post
the only way you will get a good setup is look at your budget, your amp will cost 3/4's of your total budget! so if you want to spend £250 look for an amp for about £150-£180 then find a sub that will run around your amp. packages are good because they are designed to work. they cut the whole looking for parts that match. imo an underpowered sub is better because ther is lees chance of blowing it!
ive got a 1200wrms amp & sub set up which cost me £180 , its all about where you look. and your wrong, as alex said in my quote below if set up properly the speakers will be fine, coonper ran a shitty set of 6x9s rated at 90wrms with 600wrms and they didnt blow! oh and in your statement of budgets, you forgot to include a box and wires

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Originally Posted by stefan311290 View Post
why does the 12" make a difference tho
the general rule is: bigger sub, more bass, smaller sub, tighter bass.. this isnt allways the case though, as a 500wrms 8" sub will produce more bass than a 12" 50wrms sub.. however, theres no "replacement for displacement".. this is similar in terms of quality, allthough a smaller sub will have better quality than its bigger counterpart (providing same brand, same model just bigger size) this isnt allways true as a £500 12" will sound tigther than a £5 8", quality of parts used, and brands plays a huge part, you get what you pay for.

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Originally Posted by AndyAlmond View Post

your sub will be under powered but its better to be safe because it may distort and pop eventually ive done that many of times
you dont understand how wrong you are

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Originally Posted by AlexGreen View Post
Decent speakers can handle a lot more power than they are rated at. My components are only rated at 40wrms and i am running them of a rated 90wrms from my amp. As long as the signal is clean (distortion free), and the gains are set correctly then you will be quite unlucky to damage your speakers by overpowing them as you will have to do so by a lot of power.

You can also damage a speaker by underpowering them.
this is the only correct statement in the whole thread

finally, to jimmy:

sub:

http://www.caraudiodirect.co.uk/dyna...9mniasetr3kbq1

amp:

http://www.caraudiodirect.co.uk/jbl-...9mniasetr3kbq1

wires:

http://www.caraudiodirect.co.uk/dyna...9mniasetr3kbq1

few points:

1, youll need a box, i didnt reccomend a prefab box as theyre awful, ideally you should leave this stuff boxed up in your room while you save for a custopm built box, remember a box is more important than the sub

2, yes it is much more than the 400wrms you wanted, allthough i dont understand why you want a set rms wattage, and also, if its too bassy, you can turn the gain down (this will reduce the bass output, and wont damage your sub before any noob says it)
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Old 20th February 2009, 06:35   #3
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Originally Posted by AlexGreen View Post

You can also damage a speaker by underpowering them.
Lol, you cant damage speakers by 'underpowering' them, what do you think the volume knob does?...... reduces the power sent to the driver!

Damaging speakers by simply using a lower power amp only ever happens when the gains are set incorrectly causing clipping, the same will happen with a higher power amp.
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Old 20th February 2009, 08:28   #4
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Originally Posted by McBain View Post
Lol, you cant damage speakers by 'underpowering' them, what do you think the volume knob does?...... reduces the power sent to the driver!

Damaging speakers by simply using a lower power amp only ever happens when the gains are set incorrectly causing clipping, the same will happen with a higher power amp.
thats what he meant by underpowering lol.. as in an amp with less rms than the sub

regardless of what power amp you have, failure to set the gain correctly and you have a melted VC on your hands
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Old 20th February 2009, 09:11   #5
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Originally Posted by Ashleyp View Post
thats what he meant by underpowering lol.. as in an amp with less rms than the sub

regardless of what power amp you have, failure to set the gain correctly and you have a melted VC on your hands
Dont follow what you mean but using an amp with a lower rms power output than the subs rms rating still wont damage it.
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Old 20th February 2009, 20:10   #6
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Dont follow what you mean but using an amp with a lower rms power output than the subs rms rating still wont damage it.
thats our point?! lol

it was stated earlier!

someone said "you should underpower to avoid damage"

alex & my reply was "your wrong, if set correctly its ok"

youve just debated the point all over again lol!
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