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Old 06-02-2006, 07:44 PM   #16
Has no idea whats goin on
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50 dollar amp..... thats your problem, you get what you buy, sell it to some ricer and buy a good one. i payed about 150 for my last amp, lasted me 5 years, then i sold it with the car, and its still goin lol

As I was walking up the stairs, I met a man who wasn't there. He wasn't there again today, I wish I wish he'd go away.
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Old 06-03-2006, 12:34 AM   #17
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The only other thing to add is.. watts are relative. It could say 1500w but i highly doubt it will consistanly put that out.Unless it is a true class D amp.Also that would be under perfect conditions , bridged at 2 or as little as 1/2 ohm which most amps cant keep up for long before blowing up.Furthermore the sensitivilty of your subs is important. Some are 90+. so you can run a smaller amp and get some good pound. . Running your subs in series (together) cuts the ohms of the amp. so 2 subs at 4 ohms running together is 2 ohms. easiest ways figure it is cut the ohms in half every time you add a connection or sub. If the Ohms are cut too far your amp will overheat. Just take it by a shop have them look at the connections and specs. they will probably try to get you to buy something so go to more than one. this way you can get a more honest answer.
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Old 06-08-2006, 04:07 PM   #18
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Ya, $50 is the problem. The amp likely has a variable gain temp protection, so when it overheats, it automatically turns down the gain.

You are likely running the amp at 2 ohms, and its more than likely not supposed to run at below 4 ohms. When you hook two 4 ohm subs in parallel, the amps sees a 2 ohm load. If you hook them in series the amp would see 8 ohms.

You say you don't get enough bass when the subs are hooked up separately, so likely, you don't have enough power coming from the amp running at the recommended ohm level.

The lower the ohm number, the more the output. Literally, halve the number and you'll double the output. However, the lower the number, the closer it is to a dead short. So, a dead short is 0 ohms. 2 ohms is allowing too much current to flow in your amp, causing it to overheat.

Buy a used brand name amp that works and you'll likely be happy.
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Old 06-09-2006, 09:17 AM   #19
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^^ Thanks Jason. Ya it was a $50 used amp, needed it in a rush cause the last amp I had the 12V line let go from the amp and touched it so no more amp...This one is alright for now, just on hot days 30+ it seems to cut more, also if I do long drives cranking it up to Howard Stern(I have to turn down the bass when I listen to him) his voice is too deep lol. Well we'll see what happens...I might just try hooking the subs up individually..Also gonna screw around with the gain..

1994 318is-Sold July 13th 2010.. Sad Sad Day

Last edited by Nascar318is; 06-09-2006 at 09:19 AM.
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Old 06-09-2006, 12:11 PM   #20
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Ya, I'd try turning the gain down, hooking them up individually and / or flipping your seat down to get more sound in the mean time.

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