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Help!!

 

Anonymous
 
I went to my local shop to have them build a box for my 11kv.2 sub. They said that it would be best to tune it between 48-55hz. But eD recommend 30 hz. They said that was to low for Daily Driving. Anyone have any insight on this.
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 6259
Registered: Dec-03
gads
45-55 is way toohigh. that'll sound like p00p.
go with the 30-34Hz range for tuning.
You want it to be tuned nice and low, near the Fs of the sub.
Then set subsonic filter to about 20Hz and set LPF to about 60-80Hz, with a Q of about 18dB.
you'll have a very nice setup.
for a 12" sub, I'd go with 2cu ft net enclosure volume
 

Anonymous
 
Hey Glass would it be better to have a single box built that will hold 2 10" and have it around 2.0cu ft and a single port. I was goin to do 2 seperate boxes at 1cu ft since this is in a truck. But Im sure i can get either done.
 

Anonymous
 
Also i am goin to tell them that i want it tuned to 30hz even though they dont like it. What is Q
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 6288
Registered: Dec-03
for tens, you'll either want one port per sub, minimum 3" ID, or a single 6" port.
anything smaller diameter would give you port whistle at higher output.

single box or individual boxes doesn't matter really as far as SQ goes. Its more a matter of looks and convenience to you.
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 6289
Registered: Dec-03
PS for tens, you'd want about 1.5cu ft each ported.
0.8 to 1cu ft for sealed per sub
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