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  #1  
Old 05-11-2012, 07:54 AM
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Default 2 12 Type r 4th order

SORRY I PUT MY OTHER THREAD IN THE WRONG SECTION

Looking to build a 4th order for my 2 12 type r, the older style (500rms lol) with the big r on the darker cone.

What i have though up so far,

Ported Section- 3cubes tuned to 46hz, center port

Sealed section- 1.5 cubes


Just looking for other input

Ill be running them on a powerbass 1500, @1ohm
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Old 05-11-2012, 07:56 AM
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im looking to ground pound the lows
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Old 05-14-2012, 05:54 PM
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• Ported- 3.1 cubes, @46 hz
• Sealed- 1.5 cubes

Port specs- 6in W, 7in High (does this sound right)?

Ported chamber specs: 27w X 16h X 16d – 3.1 cubes
Sealed chamber Specs: 27w X 16h X 8.5d – 1.5 cubes

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thats what i have came up with so far.

Im getting confused when it comes to making a cut sheet, could someone help me out?
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Old 05-15-2012, 01:15 AM
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Help please?

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Old 05-15-2012, 01:47 AM
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Doesn't look too bad from what I know. Could possibly go bigger on the ported side however if you do you'll lose frequency range. Build, then test, then rebuild, till your happy. I like aero's too for ease of tuning.
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Old 05-15-2012, 04:20 PM
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If I wanted 46hz what aeros should I use and what lengths

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Old 05-15-2012, 04:41 PM
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Quote:
Originally Posted by drsnazzy View Post
If I wanted 46hz what aeros should I use and what lengths

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Old 05-15-2012, 04:42 PM
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What ports should I use to get 40in of port area with aeros

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Old 05-15-2012, 04:46 PM
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I've never used aeros before, but honestly what would be the difference between aeros,

Or slot port either 6x7, or 12x3.5 in

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Old 05-15-2012, 04:51 PM
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And from others experience does pvc pipe work well when used for ports?

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