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Super Bass Horn V.02 by Startec (Quad Acoustics-F)

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dj-panoramix View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dj-panoramix Quote  Post ReplyReply Direct Link To This Post Posted: 28 October 2008 at 8:28pm
Originally posted by boycey boycey wrote:

i only ask about the v18 because i have a pair
ok ,so if the question was ,is there any mesurement done with void ,i say no. only simulation had been made with pd and void.
the only driver had been tested enough in real life is the rcf.
as i allready said ,this is an more than ten years old product and have been made specially for a phl oem driver ,and now as he get many peoples asking for a big horn he reworked on it to go with the rcf speaker.
 


Edited by dj-panoramix - 28 October 2008 at 8:31pm
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mykey View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mykey Quote  Post ReplyReply Direct Link To This Post Posted: 29 October 2008 at 4:03am
I'll put this in HR and see what's cooking 
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tomschute View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tomschute Quote  Post ReplyReply Direct Link To This Post Posted: 29 October 2008 at 11:53am
Quote will at the moment i will stick to the existing DIY plans here for the midtops..


so is there 2 different 3 way tops he's designed ? sorry a bit confused... and plans for a diy one then?

so for the impatiants just nice looking cabs!

and as deadbeat asked, has he phase plugged a co axil driver?
Out to lunch... stableaudio@hotmail.co.uk
www.stableaudio.co.uk
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Xmax extreme View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xmax extreme Quote  Post ReplyReply Direct Link To This Post Posted: 29 October 2008 at 12:01pm
Originally posted by tomschute tomschute wrote:

Quote will at the moment i will stick to the existing DIY plans here for the midtops..


so is there 2 different 3 way tops he's designed ? sorry a bit confused... and plans for a diy one then?

so for the impatiants just nice looking cabs!

and as deadbeat asked, has he phase plugged a co axil driver?
 
nope mate, im referring to the existing plans here at speakerplans, the porn horns, the MT122Smile 
Maximum Excursion

Don't criticize your own competition, it looks like a publicity of your own commercial products.
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tomschute View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tomschute Quote  Post ReplyReply Direct Link To This Post Posted: 29 October 2008 at 6:35pm
i see Embarrassed
Out to lunch... stableaudio@hotmail.co.uk
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xmax extreme Quote  Post ReplyReply Direct Link To This Post Posted: 30 October 2008 at 3:38am
Originally posted by tomschute tomschute wrote:

i see Embarrassed

Wink
Maximum Excursion

Don't criticize your own competition, it looks like a publicity of your own commercial products.
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mykey View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mykey Quote  Post ReplyReply Direct Link To This Post Posted: 30 October 2008 at 12:31pm
with th RCF driver 2.0 x pi
 

 
0.5 x piShocked
 

 
 
''112 dB 1/w/m 3ohz à 125 Hz à -6 dB"


Edited by mykey - 30 October 2008 at 12:47pm
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DJEvol View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DJEvol Quote  Post ReplyReply Direct Link To This Post Posted: 30 October 2008 at 8:20pm
Hello i'm french and my english is very bad

Thanks at Panoramix for dévoiled this plan here

The SBH 112dB/1W is for 4 cabinet!! Staked

I speak often with Startec


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_djk_ View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote _djk_ Quote  Post ReplyReply Direct Link To This Post Posted: 31 October 2008 at 1:32am
Too small of a mouth, needs a chamber in front of the driver.
djk
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mykey View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mykey Quote  Post ReplyReply Direct Link To This Post Posted: 31 October 2008 at 3:28am

@DJK

thats why I originaly was a bit shocked at it's 'not so big size'

in the photo it looked enormous, so i thought...yeah that will do the business, then I worked out its size from the drawing and wondered how how it would sim
 
because a horn with a 3 meter length could do with a bigger mouth
 
it's still doing the business at 30 though
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_djk_ View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote _djk_ Quote  Post ReplyReply Direct Link To This Post Posted: 31 October 2008 at 9:06am
This is one horn in 0.5Pi (could be 4 horns in 2Pi):
 
 
Note the 18L front cavity, and no dip?
 
Mouth about 6400cm^2, 80cm (31.5") square.
 
Subtract 29dB for 2.83V/1M, or 117.2dB/2.83V/1M. This is sensitivity, the horn is actually 4R at the sample frequency, so its real efficiency is only 114dB/W/1M.


Edited by _djk_ - 31 October 2008 at 9:13am
djk
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dj-panoramix View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dj-panoramix Quote  Post ReplyReply Direct Link To This Post Posted: 31 October 2008 at 12:04pm
Originally posted by _djk_ _djk_ wrote:

Too small of a mouth, needs a chamber in front of the driver.
 
explain a little beat more pleaz ?
if you can do this design better ,do it ,i will show to the designer to see what he think.
thanks for the simulation.
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