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Stasys 3 MK2 VS Porn Horn V2

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Mark James View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mark James Quote  Post ReplyReply Direct Link To This Post Posted: 25 January 2008 at 4:12pm
soon someone is planning on measuring thers Im under the impression they are trying to get the gear together to do the measureing....
me so horny me love you long throw
horn loaded for her pleasure
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adambomb View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote adambomb Quote  Post ReplyReply Direct Link To This Post Posted: 25 January 2008 at 6:00pm
if there are any in my area I'm happy to do plots... have all the gear... leave it till the weather warms up tho ay!
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Mark James View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mark James Quote  Post ReplyReply Direct Link To This Post Posted: 25 January 2008 at 10:52pm
adam in the xtro section there was a guy with a pair wanting to do some measurements, maybey you two should chat about it. between the two of you youd have everything needed.

Edited by Markk James - 25 January 2008 at 10:53pm
me so horny me love you long throw
horn loaded for her pleasure
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Mircea Bartic View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mircea Bartic Quote  Post ReplyReply Direct Link To This Post Posted: 26 January 2008 at 9:20am
we made measurements, but sadly, they were loaded with different drivers
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Post Options Post Options   Thanks (0) Thanks(0)   Quote toastyghost Quote  Post ReplyReply Direct Link To This Post Posted: 26 January 2008 at 3:03pm
Originally posted by adambomb adambomb wrote:

if there are any in my area I'm happy to do plots... have all the gear... leave it till the weather warms up tho ay!


Where abouts are you? I know a man with a pair...
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soundsystemdan View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote soundsystemdan Quote  Post ReplyReply Direct Link To This Post Posted: 26 January 2008 at 3:52pm
those plots look like they might be with eqing, well the porn horn at least.
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tb_mike View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tb_mike Quote  Post ReplyReply Direct Link To This Post Posted: 27 January 2008 at 2:39am
Originally posted by soundsystemdan soundsystemdan wrote:

those plots look like they might be with eqing, well the porn horn at least.


Exactly.Everything needs context. 1/24th octave resolution,sampling frequency,averaging, measurement conditions.

Take a look at the turbosound aspect measurements,heaps of wiggles,makes me think of less averaging.

HARMAN(jbl)measure their consumer speakers in basically every direction and average the results to get the speaker response,removing measurement artifacts. go to their site,whitepapers.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jhodas Quote  Post ReplyReply Direct Link To This Post Posted: 28 January 2008 at 7:59am
http://www.proaudioparts.co.uk/pdf/phornplot1.pdf

The porn plot has EQ on it. Dunno about the stasys.
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adambomb View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote adambomb Quote  Post ReplyReply Direct Link To This Post Posted: 28 January 2008 at 9:18am
Hmm... funny how the porn got almost the same plot at the mid / top clash with apparently no EQ... should never have used Rog's Digi drive.. too open to messing... still a good plot tho even with EQ.
 
Anyways... I'm near Bath (Frome) if anyone has an Xtro in the area... 
 
The other thing is... we did the plots @ 1m... now, thinking about it, for a horn loaded mid top this is a stupid way to measure, we should have done the plots at 2m / 4m / 8m.. would have given a far more repesentitve plot (you can design a box to perform perfectly at 1m but what does it plot like at greater distances!?!?!)
 
Anyways.. lemme know.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tb_mike Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2008 at 2:03am
Originally posted by adambomb adambomb wrote:

Hmm... funny how the porn got almost the same plot at the mid / top clash with apparently no EQ... should never have used Rog's Digi drive.. too open to messing... still a good plot tho even with EQ.
 
Anyways... I'm near Bath (Frome) if anyone has an Xtro in the area... 
 
The other thing is... we did the plots @ 1m... now, thinking about it, for a horn loaded mid top this is a stupid way to measure, we should have done the plots at 2m / 4m / 8m.. would have given a far more repesentitve plot (you can design a box to perform perfectly at 1m but what does it plot like at greater distances!?!?!)
 
Anyways.. lemme know.

Tom danley measures his basshorns at 10metres with ~100w input. This will give you some real world distortion levels rather than dainty 2.83volts etc.

The plot will change everytime you move 2cms in the HF.Think of how large the wavelengths are,and the interferences that can occur between drivers.Hopefully they are cohesive.

There are many links online about how to measure properly.
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adambomb View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote adambomb Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2008 at 10:58am
exactly... great distances  / higher power are far better / closer to true performance.
 
I'm not saying the porn will be bad plot wise (listening wise it's beautiful).. but I bet it was designed to give a flat response at 1m for marketing purposes.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Heathrow_B_line Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2008 at 11:02am
Originally posted by adambomb adambomb wrote:

Hmm... funny how the porn got almost the same plot at the mid / top clash with apparently no EQ... should never have used Rog's Digi drive.. too open to messing... still a good plot tho even with EQ.
 
 
i would trust Rog to do what he says hes doing
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