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  #1  
Old 10-22-2010, 02:23 PM
AwesomeMcBadass AwesomeMcBadass is offline
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Exclamation Amp noob

hey guys, i am once again in need of assistance, I dont know what Amp to get, my sub is an audioque HDC3 12" soo its running at 1000 watts and max at 2000, so I dont really know anything about amps, and need some guidance and advice in that matter. I dont really want the typical "buy my amp cause its the best" crap, unless your amp really is the best haha, I am also not looking for people to sell me their used crap, so just a "hey i suggest the __________ amp" would be great, thanks boys.
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  #2  
Old 10-22-2010, 03:03 PM
reconjb reconjb is offline
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Default Re: Amp noob

I would recommend an amp with more power than needed I was told by a guy that does competitions for a living that it hard to mess a sub a up by over powering it but real easy by underpowering it. So go at least 1500 a 2000 rms to make sure you have enough to fully power you sub. I would recommend boss so far I have had no problem out of both of mine
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  #3  
Old 10-22-2010, 05:20 PM
madman27 madman27 is offline
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Default Re: Amp noob

whats your budget range for an amp?
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  #4  
Old 10-22-2010, 06:22 PM
pooleo pooleo is offline
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Default Re: Amp noob

First thing you need to do is find out how many watts your sub is rated for and what ohms and how may voicecoil it is.

If it is for instance a SVC 4 ohm you will only draw 25% of any amps power.

if its 1000 watt amp then you will only supply 250 watts to the sub.

To achieve 100% power from your amp you will need to get a 1ohm stable amp and match the subs draw to that 1 ohm. or as close as possible.

For instance: In my Ranger I have an 1800 watt amp. I am running 4 10" DVC 2ohm/per speakers that are rated at 450/each.

My subs are wired for a 1 ohm load, pulling all 1800 watts of power from the amp. I have 1800watts of sub so eveything is matched perfect.

Actual load on the amp from the subs is 1.03 with an ohm meter.

If your sub is a dual voice coil (DVC) 4ohm, Then it can only be wired 2 ways. 2ohm or 8ohm. You will want to wire it for 2ohm. But if your sub is 1000 watt you are going to need a 2000 watt amp because you are only going to pull 1000 watt from the amp because of the 2 ohm load.

1ohm load = 100% from amp
2ohm load = 50% from amp
3ohm(rare) = 33% from amp
4ohm load = 25% from amp
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  #5  
Old 10-22-2010, 09:49 PM
INebre8ted INebre8ted is offline
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Default Re: Amp noob

Quote:
Originally Posted by pooleo8 View Post
If it is for instance a SVC 4 ohm you will only draw 25% of any amps power.

if its 1000 watt amp then you will only supply 250 watts to the sub.

To achieve 100% power from your amp you will need to get a 1ohm stable amp and match the subs draw to that 1 ohm. or as close as possible.

if your sub is 1000 watt you are going to need a 2000 watt amp because you are only going to pull 1000 watt from the amp because of the 2 ohm load.

1ohm load = 100% from amp
2ohm load = 50% from amp
3ohm(rare) = 33% from amp
4ohm load = 25% from amp
WRONG, on some parts, you always want more power than you sub can handle. but are you going with a class D amp? they need to be run at 1 ohm to get the power outta the amp, a class AB usually needs to be at 4 ohm, some are 2 ohm. go below that and the amp will let the magic white smoke out.class D amps are cheaper but the sound quality will suffer. for true power, you will need to look at amps that are somewhere around $.50 to $1.00 per watt.
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  #6  
Old 10-23-2010, 09:31 AM
pooleo pooleo is offline
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Default Re: Amp noob

My post was showing differnet ohm loads(form the sub) to a presumed 1000w 1ohm stable amp. And how much one could expect to draw from that amp.

I also posted "1ohm stable" amp. Which implies a class D as I have never seen a 1ohm class AB.....Have you...?

What I posted was purely for info purposes only to the OP.

Just so he can see what he needs to get.

Obviously if hes sub is a 2or4 ohm load then he will need to get the appropiate amp.

If he has a 2ohm load then he will want to get atleast a 2000w amp.(1ohm stable)

If he has a 4ohm load then he will want to get atleast a 4000w amp.(1ohm stable)

If he gets an amp that puts out 1000w at a 2ohm load and has a 2ohm on the sub, that will be good.

If he gets an amp that puts out 1000w at a 4ohm load and has a 4ohm on the sub, that will be good.

If he gets 4000w amp and has a 1ohm load that will NOT be good.

If he gets a 2000w amp and has a 1ohm load that will not be good if the amp is not "1ohm stable"

If he gets a 1000w amp and has a 2ohm load with the sub, it will work but will be underpowered.

If he gets a 500w amp and has a 4ohm load, it will really be underpowered.

And so forth, and so on...
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  #7  
Old 10-23-2010, 02:28 PM
INebre8ted INebre8ted is offline
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Default Re: Amp noob

Quote:
Originally Posted by pooleo8 View Post
To achieve 100% power from your amp you will need to get a 1ohm stable amp and match the subs draw to that 1 ohm. or as close as possible.
Sorry, i didnt read that part of your post. as you stated we need to know what ohm sub he has, they are made in dual 1 ohm and dual 2 ohm. depending on what version he has, and what his importance leans toward, either pure loudness or sound quality, class D amps will be the best bang for the "stated" watt. a class D amp will never sound as good as a AB amp will as the same as a AB amp will never sound as good as a tube amp will, just not possible. by "stated" in this post i mean to ask people to hardly ever use a watt rating as the buying determiner, i can build a 5 watt amp and sell it as 1000 if i set it out side and let it get hit by lightning, it will make 1000 watts for a nanosecond. any good amp will run around $.50 for a class D amp to $1.00 for a class AB amp per watt of power.
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  #8  
Old 10-26-2010, 12:30 AM
AwesomeMcBadass AwesomeMcBadass is offline
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Default Re: Amp noob

http://www.audioque.com/aq/?page_id=24

thats the Subwoofer that I am looking at, what do you think would be the best way to go?
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  #9  
Old 10-26-2010, 01:13 PM
reconjb reconjb is offline
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Default Re: Amp noob

I would still say 1000-1500 watts rms at 4 ohm and a max around 2000-2500 watts at 4 ohms then run the subs at 2 ohm and you should have no problem with powering the subs
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