New sub for existing box - AVS Forum
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post #1 of 5 Old 07-12-2014, 09:39 AM - Thread Starter
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New sub for existing box

I built a sealed 2 cu ft box filled with 2 lbs of fiberfill and am using a Dayton Audio DVC 15" currently. The Dayton is a damn good performer as it is, but I am looking for something with a little more xmax that can be pushed a little harder. The datyton is 15mm xmax and works well in a smallish box, as it is roughly tuned with an f3 of 42Hz right now. With cabin gain it plays very low very well. My amp can do 400 watts RMS so efficiency is a bit of a concern. I am mainly familiar with the home audio subs, so any recommendations for a car or home sub would be appreciated. I would like to keep the sub under $200.

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post #2 of 5 Old 07-15-2014, 02:46 PM
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You are going to have issues getting something that is "night and day" different in output. Problem lies in that most similar subs of a similar size (in your case the 15") are going to have similar output (say that 5 times fast). Especially in a small sealed box. Add in the fact that you want to stay under 200.

Give a look at the SI HT15. Undersized box but it has 22mm of linear xmax and 40+ xMECH and falls within your budget.

My advice would be go to a ported enclosure to give you the bump in low end to maximise the efficiency and get the most out of your amp. Keep the sub you got.

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post #3 of 5 Old 07-15-2014, 03:12 PM
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18" SI driver, in ported box "marty" style. That's best you can do for your budget I think.

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post #4 of 5 Old 07-16-2014, 08:43 AM
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Quote:
Originally Posted by Mfusick View Post
18" SI driver, in ported box "marty" style. That's best you can do for your budget I think.

granted I don't know the guys vehicle, but going to a ported enclosure AND an 18" sub... You are talking NOT vehicle friendly. Doing ported for a 15 can be bad enough. getting adequate port area to keep chuffing, port distortion etc at a minimum.

But hey, I am all for go big or go home!!

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post #5 of 5 Old 07-16-2014, 08:54 AM
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I think I missed the part where this is going into a car... lol.

Port higher then you get crazy cabin gain. PLus you are playing music. Port at like 30hz.

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