How big of an amp? - Audio & Electronics Forum

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How big of an amp?
Wednesday, February 18, 2009 3:13 PM
How big of an amp do you need to get depending on the size of the speakers? Like if the sub is pushing 500W RMS, 1500W Max and I have two of them, how big of an amp would I need? Is there any type of rule to go by?

Re: How big of an amp?
Wednesday, February 18, 2009 5:58 PM
Typically, I'd say match the RMS pretty close. Or get an amp that pushes more power, and be careful, as long as you know the limits of that sub, you could put a very powerful amp on it.

what type of subwoofers is the amp being put on in the first place?



Re: How big of an amp?
Wednesday, February 18, 2009 6:03 PM
if each sub is 500 rms I would go with a 1000-1500 watt amp IMO just dotn abuse the gain





Re: How big of an amp?
Wednesday, February 18, 2009 7:23 PM
megatron(aka)cav420 wrote:if each sub is 500 rms I would go with a 1000-1500 watt amp IMO just dotn abuse the gain


right
but gain is the pre-voltage of your deck, not a power/volume control.



Re: How big of an amp?
Thursday, February 19, 2009 3:12 PM
Ok so with my speaker "package" has 500w RMS and 1000w max power, with a 600w amp. i have a cheap panasonic deck, not really shure about wattage, am i safe or will i blow my speakers out if i crank everything all the way up?



Re: How big of an amp?
Thursday, February 19, 2009 6:53 PM
i really doubt it, but it depends on the RMS rating of the amp even so i cant imagine it would be more than 200w RMS, so yes you should be fine
Re: How big of an amp?
Thursday, February 19, 2009 7:07 PM
learn what distortion sounds like

then learn not to play with distortion



Re: How big of an amp?
Thursday, February 19, 2009 7:10 PM
I'm running 1500W of power on 900W of speakers with no problems.

Clean signal = everything.


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Re: How big of an amp?
Thursday, February 19, 2009 7:22 PM
Im running 1000 to my 750 Type-R everyday all day.

There are mechanical limits to the sub so even if you overrun the power and the VC holds the power you still could bottom out and break stuff.



Re: How big of an amp?
Friday, February 20, 2009 7:50 AM
bradsk88 wrote:learn what distortion sounds like

then learn not to play with distortion



its a big variable. there are crap brands out there that could blow if you feed them 1 watt over the rms and then there are brands out there that you can feed the max to all day long and not have issues there isnt one answer that the original question. since your asking im going to assume your knowledge is limited and suggest to stay closer to the max power. and learn how to set the gains properly


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Re: How big of an amp?
Friday, February 20, 2009 9:38 PM
I burned up two Kenwoods with a Pyramid "1200" watt. Low quality FTL. The gain was only half way up and the Kenwoods caught fire.

And trying to hear distortion on a sub running real power is hard over the sounds of your car vibrating and the rear deck slapping the window. I wouldnt suggest trying to set gain by ear.




Re: How big of an amp?
Thursday, February 26, 2009 9:20 AM
TheSundownFire wrote:I burned up two Kenwoods with a Pyramid "1200" watt. Low quality FTL. The gain was only half way up and the Kenwoods caught fire.

And trying to hear distortion on a sub running real power is hard over the sounds of your car vibrating and the rear deck slapping the window. I wouldnt suggest trying to set gain by ear.



you could have been feeding yoru subs full power clipped signal at "half way up" half way doesnt mean half power.


if your setting yoru gain by ear which i usually do why not just fix the vibrations . then all you hear is the sound.


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Re: How big of an amp?
Thursday, February 26, 2009 2:16 PM
Its a lot of vibrations. lol. Im working on getting the big ones like the rear deck and trunk vent and window cranks etc. But theres a lot of small ones that I can track down.

I understand why I killed all my old systems now just lack of experience at the time.



Re: How big of an amp?
Thursday, February 26, 2009 4:58 PM
Me, I match my RMS from my subs to my amps.

13w6v2 = 500watts rms, 500/1 is 500watts rms Works for me.



Re: How big of an amp?
Saturday, February 28, 2009 9:04 AM
worst thing u can do is underpower a sub and then try to blast it... i'd say lean towards a more powerful amp, and then just tune it down a bit if u need to, 800w RMS amp minimum
Re: How big of an amp?
Monday, March 02, 2009 2:11 PM
Until he @!#$s up his gains and burns up his sub.

I would match if possible. 500 watt is a pretty common size amp. I wasnt as lucky finding a 750 for mine and I was told I can overdrive it so I got 1000. Unless he plans on getting better subs then he can reuse the amp.

I just dont think anyone will agree on whats the best way to go.



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