EBS shiva question

Ryan T

Second Unit
Joined
Sep 10, 2001
Messages
406
Hi,

I've decided to build an EBS shiva. I want to fallow the Adire plans for the sake of simplicity. I have a few questions before i go and build the box. First can I use a regular 4" PVC pipe without too much port noise? If I have to use a flared vent kit can i use this one instead of the adire port?

http://www.partsexpress.com/pe/showd...D=117898&DID=7 .

It looks like it's the same thing adire sells but cheaper. I also have some other things I've been wanting to get from PE so I could save on shipping. I figure if i go for the 4" PVC vent I could always enlarge the hole and put a flared vent in there. What do you guys think?



Thanks,
Ryan
 

TimForman

Supporting Actor
Joined
Dec 4, 2002
Messages
847
You don't HAVE to use a flared port but it's recommended. The kit from PE is the same thing.
 

Ryan T

Second Unit
Joined
Sep 10, 2001
Messages
406
So the PE flared vent has the exact same measurements as the adire vent? If thats the case I should be able to build the box to adire's specs and just plop the Pe vent in right. Also how much polyfil (if any) should I use inside the box?




Thanks,
Ryan
 

Jeff Meininger

Second Unit
Joined
Jun 5, 2002
Messages
481
The PE 4-inch flared port is made by "precision sounds" or something. Like Tim says, the Adire port is the same thing. I also believe the SVS port is the same exact thing, too.

I wouldn't use any polyfill stuffing. You might want to line the cabinet walls with poly batting, though. Unless you go nuts with it and use way too much, lining the walls won't change the alignment by a significant amount.
 

Jack Gilvey

Senior HTF Member
Joined
Mar 13, 1999
Messages
4,948
Yes, an EBS Shiva should use 142L Vb and the full-length PE 4" "Precision Port". This is an excellent sub.
 

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