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Old 10-22-07, 12:33 PM   #7 (Link)
 
JCD
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Re: Pearless XXLS 12 with passive radiator


Quote:
imbeaujp wrote: View Post
Hello folks,

I am a new member and I would like to discuss about a subwoofer project using pearless XXLS 12inches driver and passive radiator. I am going to build 2 subs. The subs will be drived by a Rotel RB-1080 and EQ with a Behringher FeedBack Destroyer Pro. Those subs will complete my HT system (5 Yamaha NS-1000 Studio Monitors).

If you have any recomendations regarding the cabinets:

- physical dimensions (total volume, with or wihout drivers ?)
- stuffing (yes or no ?)
- Material (recommendation)
- Driver and passive alignement (back to back ?)
- Etc...

I will post pictures of the building process and keep you inform of the final result.


Thanks !

JP
So, some general observations..
  1. Physical dimensions -- I'd go here.. it looks like they've already calc'd it for you.
  2. Stuffing -- probably, but be aware that it adds to the "perceived" volume of the enclosure. Someone smarter than me can hopefully chime in on this one.
  3. I'm assuming you're asking what the box should be made out of .. 3/4" MDF. And double up the front baffle.
  4. Alignment -- I'm not sure it matters (again, I'm hoping for someone smart to jump in), but if I was going to do it, I'd probably have them on opposite sides of the enclosure.

Good luck.

JCD


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