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Horn delay between tops and subs

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(SoundcreationaudiO) View Drop Down
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Joined: 09 October 2007
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    Posted: 10 October 2007 at 8:38pm
alright guys..., i was wondering how i would calculate the delays required between my soon to be built rig..  
 
I'm curently building 2 X pairs of selenium designed tops:-
 
And a sub which was designed by a freind of mine, an 18" folded horn with a horn length of 3.5 metres..  cabs are big, 48 x 48 x 25.5", look identical from the front to a lab sub.., and were using an aliminium side hatch covers.     frequency of 30hz - 200 hz per cab aparently, ahvent heard them yet..
 
was hoping these would roll off, as tops kicked in, with thier 15" mid bass driver comming in at 200hz..
 
do i simply subtract the length of the mid bass horn from the subs horns length and use that figure to callculate the delay?
 
plan is to build 4 of these subs and 4 of the selenium tops.  If all goes well, to build another 2 tops and 4 subs
 
thanks for any advice........
 
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tb_mike View Drop Down
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Joined: 01 October 2004
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tb_mike Quote  Post ReplyReply Direct Link To This Post Posted: 10 October 2007 at 8:57pm
Probably wont sound any good above 100hz,the folded sub horn. Dont know of any of that sort of size,folding that are good above that.

I wouldve gone with a top that reaches lower,or a midbass sub more like the es18(from memory)short path 18" horns.

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