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acoustical stuffing / sound dampening subwoofer cabinet REL BRITANNIA B1 subwoofer

Hello,

 

Quick question on acoustical stuffing / sound dampening in a subwoofer cabinet.

I am the 2nd owner of a REL Brittania B1 subwoofer.

Opened it up, and NO stuffing. A bit surprising. My guess is the original who was a dumb &*(&#$   removed it.

I am guessing there should be some stuffing in the cabinet.

 

IF SO, I am looking for recommendations as to how much to put in the cabinet and where.

THANKS for the help!

Please see pictures for view of interior of cabinet. Bottom-Middle- Top pictures

 

FYI--- Interior of cabinet is approximately 13” x 15” x 19”

 

 https://drive.google.com/open?id=0B01U3HhYR3nZZUJ6U0lzZVNMYkE

https://drive.google.com/open?id=0B01U3HhYR3nZbGZNR1ktRHBOMmM

https://drive.google.com/open?id=0B01U3HhYR3nZS3kzSWpOaF9ySmM

REL BRITANNIA B1


stevethe4th
auxinput
1,538 posts
 

I haven't used other software, but if you are serious about building your own subwoofers, Bass Box Pro is really the best.  You don't have to buy anything.  It's up to you if you are really picky about how a sub performs.

You could just buy a SanSpeak or Morel subwoofer.  Then do dynamat damping on the interior walls, and then spray-glue some Acousta-Stuf Polyfill on the inside walls.  Like timlub said, the stuffing will damping some of the peak that happens right before frequency roll-off.  This might help work with some of these other subwoofer drivers.

auxinput
1,538 posts
 

If you're still looking for possible drivers, the Rythmik Audio appears to be very nice:

http://www.rythmikaudio.com/DS1200driver.html

The specs say the DS1200 works fine in a 3-4 square foot vented cabinet.  I don't know the pricing, but you can contact them.  They are in Texas.

bdp24's avatar
bdp24
4,908 posts
 
Yup, Rythmik woofers are very good. The 12" is offered in two versions---with an aluminum cone, or a paper one, your choice. For really high performance, the Rythmik woofers can be used with the company's dedicated servo-feedback circuit plate amp, 370w or 600w. For use in a sealed enclosure, 1.5-2.0 cu.ft. is recommended. A lot of Maggie users are very happy with their Rythmik subs. Jim Salk offers his top model speakers with Rythmik subs built in.
wolf_garcia
4,650 posts
 
I have 2 REL subs from the same era (Q150e and Q108II) and both are unstuffed, sound fabulous, and never overheat or get particularly hot at all. 
stevethe4th OP
36 posts
 
Thanks AUX-- I have narrowed it down to 2 options, I will look into that rythmik driver as well.

Thanks again!!


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