DIY PA Speakers Setup (Line Aray) - diyAudio
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Old 21st September 2010, 09:42 PM   #1
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Default DIY PA Speakers Setup (Line Aray)

DIY PA Speakers for general purpose or Line Aray.

Dual 2X18inch Horn Reflex Sub (40-200Hz)
Three Way Full Range (80-20000Hz) 15inch bass horn + 2X8inch mid + 1inch HF driver.
Attached Images
File Type: jpg APEX B218 sub.jpg (207.9 KB, 4907 views)
File Type: jpg APEX M212 sub.jpg (240.0 KB, 4508 views)
File Type: jpg APEX PA Setup.jpg (384.0 KB, 4342 views)

Last edited by apexaudio; 21st September 2010 at 10:04 PM.
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Old 21st September 2010, 09:47 PM   #2
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The bass horn looks like it will be a big cancellation mess from the back wave and the midbass 15 horn looks like it's an upper mid horn. Maybe you should look a little deeper.
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Old 21st September 2010, 10:20 PM   #3
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Quote:
Originally Posted by TrueSound View Post
The bass horn looks like it will be a big cancellation mess from the back wave and the midbass 15 horn looks like it's an upper mid horn. Maybe you should look a little deeper.
Similar bass horn, and midbass horn you can find in many brand speakers: KV2, EV... and it's work, there is nothing realy new. Dynacord 'Cobra' is compact line aray speaker system, and this suggest DIY sistem can be compare with Dynacord, but useing more available speakers for many diyers.
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Old 21st September 2010, 10:34 PM   #4
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I don't like half of them , I'm not gonna build 'em ! Better building big sealed CONCRETE boxes !! They're gonna rock ! Sure !!
I'm jocking..but ; if there isn't any improvement over the market speakers ,what is the
purpose of a DIYer ? Do you know if there is any difference by putting the top box horizontally or vertically ? I just came to know that an array source can offer a really wide and long soundstage but that after a looooong study and a perfected tecnique.
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Old 21st September 2010, 10:34 PM   #5
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Suggested sub/sut x-over frequency is 150Hz, 24dB/oct.
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Old 21st September 2010, 10:45 PM   #6
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Quote:
Originally Posted by picowallspeaker View Post
I don't like half of them , I'm not gonna build 'em ! Better building big sealed CONCRETE boxes !! They're gonna rock ! Sure !!
I'm jocking..but ; if there isn't any improvement over the market speakers ,what is the
purpose of a DIYer ? Do you know if there is any difference by putting the top box horizontally or vertically ? I just came to know that an array source can offer a really wide and long soundstage but that after a looooong study and a perfected tecnique.
You spoke like salesman (don't try to build line array it can't be made you must bay it), but diyer with some skills can make usefull 'line aray', and save lot of money. Diyers build two way speakers (15inch + HF) all the time, only for a few hours, and this is just next step.

Last edited by apexaudio; 21st September 2010 at 10:56 PM.
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Old 21st September 2010, 11:04 PM   #7
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yes you're right :like a salesman !!
So ,PA means public address . Do you consider people cheap ?
Yes I'm thinking of building a high efficiency box with a 10" plus...maybe a 3/4"
and a horn,but that's supposed to be hi-fi.Difficult to beat my double 6,5" plus paper tweeter and waveguide ,total cost 100 .
I respect your knowledge in solid state circuits but when it comes to box construction the electronic engineer often fails . I'd follow TrueSound advice (yes ,he's mad !) to look deeper .
Rgds Tony
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Old 21st September 2010, 11:19 PM   #8
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Quote:
Originally Posted by picowallspeaker View Post
yes you're right :like a salesman !!
So ,PA means public address . Do you consider people cheap ?
Yes I'm thinking of building a high efficiency box with a 10" plus...maybe a 3/4"
and a horn,but that's supposed to be hi-fi.Difficult to beat my double 6,5" plus paper tweeter and waveguide ,total cost 100 .
I respect your knowledge in solid state circuits but when it comes to box construction the electronic engineer often fails . I'd follow TrueSound advice (yes ,he's mad !) to look deeper .
Rgds Tony
Give some advice to this people
Regards
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Old 21st September 2010, 11:46 PM   #9
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I'm not gonna build 'em !
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Old 22nd September 2010, 12:15 AM   #10
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Quote:
Originally Posted by picowallspeaker View Post
I'm not gonna build 'em !
You don't need 'em, but people who put 40 subs and 10 two way suts over need some advice and suggestions
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