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Design of 2x18 Front Loaded Horn

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ceharden View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ceharden Quote  Post ReplyReply Direct Link To This Post Posted: 06 November 2007 at 12:55pm
He he, Marjan and I thinking/writing the same thing at the same time, just I was slower at typing!


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Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357 Quote  Post ReplyReply Direct Link To This Post Posted: 06 November 2007 at 12:55pm
Originally posted by MarjanM MarjanM wrote:

It is you choice but i can count on one hand how many labs have seen a gig in the past year. It is easyer to take 4 single 18s than 2 labs. I can pack 8 single 18s in my Peugeot partner or just one labsub.
I dont have to go to a corporate gig with big combi like transit is. I can take 4 single 18s and 4 RCF ART300a and are super cool for around 400 people and the setup is ready in 30 min.


Excellent. But how simple is setup for 2x subs, and 2x 3 way passive Midtop cabs?
2x amps, 4 speaker wiresWink
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Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357 Quote  Post ReplyReply Direct Link To This Post Posted: 06 November 2007 at 1:02pm
Originally posted by ceharden ceharden wrote:

The mouth of a WSX is not really large enough as-is for one 18" driver on that length of horn.  You don't get the full potential of the cab until you have at least three cabs per side.



In theory true, however I hear a couple of clubs use WSX in singles, and that they sound suprisingly good.

I'll get plans sized up correctly, and get someone to build prototype, I have v18-1000 lying around, and can borrow another 1x. So won't really cost me anything apart from time to see how well it works.


Edited by levyte357 - 06 November 2007 at 1:03pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MarjanM Quote  Post ReplyReply Direct Link To This Post Posted: 06 November 2007 at 1:14pm
Originally posted by levyte357 levyte357 wrote:

Originally posted by MarjanM MarjanM wrote:

It is you choice but i can count on one hand how many labs have seen a gig in the past year. It is easyer to take 4 single 18s than 2 labs. I can pack 8 single 18s in my Peugeot partner or just one labsub.
I dont have to go to a corporate gig with big combi like transit is. I can take 4 single 18s and 4 RCF ART300a and are super cool for around 400 people and the setup is ready in 30 min.


Excellent. But how simple is setup for 2x subs, and 2x 3 way passive Midtop cabs?
2x amps, 4 speaker wiresWink


Very simple RCf ART 300a are active tops.
For bigger gigs it does not matter cos you bring lots of gear anyway.

oh and when you have a 4 ohm horn box or 2x18 reflex it is the same setup wire wise isnt it?
And that can be one 4 wire cable so no need for two speaker wires :-)


Edited by MarjanM - 06 November 2007 at 1:18pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MarjanM Quote  Post ReplyReply Direct Link To This Post Posted: 06 November 2007 at 1:33pm
take a look on these boxes.

Sorry it is on German but you will get the idea

http://www.2sound.de/musiker-forum/grosses-basshorn-t9035.html

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Post Options Post Options   Thanks (0) Thanks(0)   Quote jsg mashed Quote  Post ReplyReply Direct Link To This Post Posted: 06 November 2007 at 2:12pm

This only helps a little:

 
Lev, if you build your 2*18 "Double-You SX" cab, try wiring out the two drivers seperately so you can play around with delays/crossovers - if I'm right, you'll prefer the sound with 1.5ms on the second driver.
 
You could put them on circuits 1 and 2 of an NL4, for example.
 
 
...because Good is Dumb.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tb_mike Quote  Post ReplyReply Direct Link To This Post Posted: 07 November 2007 at 2:14am
Originally posted by levyte357 levyte357 wrote:

Originally posted by ceharden ceharden wrote:

The mouth of a WSX is not really large enough as-is for one 18" driver on that length of horn.  You don't get the full potential of the cab until you have at least three cabs per side.



In theory true, however I hear a couple of clubs use WSX in singles, and that they sound suprisingly good.

I'll get plans sized up correctly, and get someone to build prototype, I have v18-1000 lying around, and can borrow another 1x. So won't really cost me anything apart from time to see how well it works.


Yep Ive heard two WSX in a tiny club(about 100times), 0.5m from a wall.It was plenty.LOL
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ceharden Quote  Post ReplyReply Direct Link To This Post Posted: 07 November 2007 at 2:33am
I'm not saying that one WSX on it's own isn't useable but will you really get the full benefit of two 18" drivers in a horn with a mouth sized for one, especially if you're intending to get lower than the stock WSX?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357 Quote  Post ReplyReply Direct Link To This Post Posted: 07 November 2007 at 10:55am
Originally posted by ceharden ceharden wrote:

I'm not saying that one WSX on it's own isn't useable but will you really get the full benefit of two 18" drivers in a horn with a mouth sized for one, especially if you're intending to get lower than the stock WSX?


Quite correct.

That's why "my" version will have amongst other mods, longer horn, larger mouth and front chamber tuned to work with 2x brands of 18" . Wink




Edited by levyte357 - 07 November 2007 at 11:10am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CLsystems Quote  Post ReplyReply Direct Link To This Post Posted: 07 November 2007 at 2:30pm
make singles! adjust the wsx to get a better response from one 18". you would curse everytime you have to move a double 18.

i had a pair of double 18" folded similar to a hd15. they never saw a gig as it was impracticle. could only get 2 in a swb transit.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MarjanM Quote  Post ReplyReply Direct Link To This Post Posted: 07 November 2007 at 2:52pm
Exactly what i have told him but the guy is a stabborn one and need to learn the hard way.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357 Quote  Post ReplyReply Direct Link To This Post Posted: 07 November 2007 at 2:55pm
Originally posted by CLsystems CLsystems wrote:

make singles! adjust the wsx to get a better response from one 18". you would curse everytime you have to move a double 18.



That is a very good point, but it would then just be another 1x18 long horn cab, and in the desired 40-80hz range, in medium to large inside venues, 4x would get walked all over by 4x V18-1000 loaded Scooper. Which are easier/cheaper to build.


Edited by levyte357 - 07 November 2007 at 3:02pm
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