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Old 28th December 2009, 07:25 PM   #1
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Default I want the best SQ sub I can get for under $400

I have read through many forums, and I have rounded my decision down to either a IDMax, a Fi Q15 or a Boston Acoustics SPG555. Now I would like to know how these sub compare and which one is best for SQ in the 18hz to 110hz range, and I also do care about how loud it gets my current one sub setup can hit 145db, I would like to have something that is just as loud but also sounds great, my amplifier is 1100rms at 2 ohm and 1600rms at 1 ohm. Let me know?
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Old 28th December 2009, 07:40 PM   #2
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This sounds like car audio, correct?

I'll be honest, your mention of an SPL level and SQ don't really seem to mix, it's going to be very difficult to try to maintain 145dB of subbass and still have a semblance of "SQ".

What kind of music do you listen to? That'll help narrow things down...
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Old 28th December 2009, 08:14 PM   #3
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I listen to euro-dance/techno, classic rock, new rock, and some trance. I have very attuned ears so I would like something that hits well, and very accurate. But I don't want to lose the loudness i'm used to, I have a kove armageddon D15 sub right now and i want the same loudness as that but much better SQ.
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Old 28th December 2009, 08:36 PM   #4
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Someone will come on and tell you how many 15"s you'll need to get 18Hz at 145dB.

Unless you're prepared to use several huge (think those fridge/freezer things) subs, you'll need to sacrifice either extension, SPL, or a bit of both. But there's no way you're ever going to do this in a normal house.
I've heard stories of people bringing down a ceiling, and they were a few PA speakers (think more like 120dB) which couldn't go that low.

Are you sure you want to go with this?
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Old 28th December 2009, 09:17 PM   #5
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This isn't going in a house, this is going in my station wagon, and I don't mind if the 18hz isn't at 145db, I just want to be able to hear the 18hz, I just would like the 30hz-100hz range to be 145db anything below that i just want it to be able to hit at some extent.
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Old 28th December 2009, 09:27 PM   #6
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First off, your spec is WRONG! 145dB @ 18Hz will seriously damage your house. Your windows already blew-out around 126. 145 @ 80Hz might even be tolerable (with ear protection) except that you would have a hard time breathing.

By chance do you mean 145 @ 1M or at the listening position?

If you really want deep extension and lots of level, you will need an efficient system. Which means it is going to be either a very large one, or lots of small ones that result in a large stack.

What are the dimensions of your room? Knowing room (cabin) gain of your space helps to determine how helpful the room is.
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Old 28th December 2009, 09:32 PM   #7
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You didn't read my last post, it is not going in my house, it is going in my station wagon, and i also stated I don't want 145db at 18hz, I just want to be able to hear 18hz, and have it hit atleast 140db at the 32hz+ higher frequencies. My kove can hit 145db at the 35-120hz range and I love it, I just want better SQ and a deeper response, I can't hear anything deeper than 25hz with my kove it just simply disappears, where I don't even hear it at all. And to add my listening position is about 8 feet away in a car with a sound dampened hatch. My current setup can hit a 140db at around the 40hz area and i just want the same loudness with a deeper bass response, and better SQ.

Last edited by gadgeteer123; 28th December 2009 at 09:38 PM.
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Old 28th December 2009, 09:37 PM   #8
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I can sell you an Adire Audio Tumult D15 driver if you're serious. It's rated for 1600W and has a 2 1/2" linear throw.
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Old 28th December 2009, 09:38 PM   #9
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Quote:
Originally Posted by gadgeteer123 View Post
You didn't read my last post..
No duh! I was writing mine. Don't you understand normal forum delay?
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Old 28th December 2009, 09:49 PM   #10
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sorry, every forum is different I know some take 15 mins and some take 2 mins. sry.
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