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Stasys X Data
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Rog View Drop Down
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Rogers Archive Posts

Joined: 23 March 2010
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Points: 2166 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Rog Quote  Post ReplyReply Direct Link To This Post Topic: Stasys X Data
    Posted: 15 April 2008 at 4:23am
A few people have asked for plots and data for the Stasys X.
 
So here are the FR, GD, Z and THD plots.
 
 
 
 
 
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Rog View Drop Down
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Joined: 23 March 2010
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Points: 2166 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Rog Quote  Post ReplyReply Direct Link To This Post Posted: 15 April 2008 at 4:25am
Ha ha, that impedance plot is giving too much away for those who know how impedance correlates with enclosure type.
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mykey View Drop Down
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Joined: 18 August 2005
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Points: 9680 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mykey Quote  Post ReplyReply Direct Link To This Post Posted: 15 April 2008 at 4:28am
is that 103 @ 30 Rog?
 
now I have to hear it
 
any at carny this year? I'll try my best to get there
 
we can all have a busmans holiday and meet up?
 
as long as you don't mind me grinding some chicks up, mykey sandwich stylee 
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Rog View Drop Down
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Joined: 23 March 2010
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Points: 2166 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Rog Quote  Post ReplyReply Direct Link To This Post Posted: 15 April 2008 at 4:41am
It's better than grinding ya teeth.
 
I make it 102dB at 30Hz and 103dB at 31.5Hz.
 
The specs, which have to be updated, state -3dB at 34Hz, but that was for a prototype which got changed at the last moment. All production models are -3dB at 30Hz.
 
I expect there will be a few floating around somehwere at carnival this year LOL.
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heinrich View Drop Down
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Joined: 21 February 2007
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Points: 280 		Post Options Post Options   Thanks (0) Thanks(0)   Quote heinrich Quote  Post ReplyReply Direct Link To This Post Posted: 15 April 2008 at 4:49am

phew..........down to 30hz flat...........vertually very flat........ahhh Rog!


Edited by heinrich - 15 April 2008 at 4:50am
.....power is nothing without control....
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Jake_Fielder View Drop Down
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Joined: 08 October 2007
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Brilliant Rog, thanks for the info!
 
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Richard Hart View Drop Down
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Joined: 08 November 2005
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Points: 637 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Richard Hart Quote  Post ReplyReply Direct Link To This Post Posted: 15 April 2008 at 8:36am
Well I think I can see the resonance of the driver, and two port frequencies in the impedance plot. Am I right Rog?
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Jake_Fielder View Drop Down
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Joined: 08 October 2007
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Points: 4231 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jake_Fielder Quote  Post ReplyReply Direct Link To This Post Posted: 15 April 2008 at 9:14am
This is what i would say from what i have learnt whilst designing my ported horn: the peak below 20Hz is the drivers Fs in this enclosure. The bit between the peaks at 17hz and 50Hz is the rear chamber tuning frequency. The peak at 100Hz is to do with the size of the front chamber (bigger chamber = bigger peak, the peak at 50 is also affected but inversely) The drivers excursion will be highest at the central peak of 50Hz. I recon thats about right....
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Jake_Fielder View Drop Down
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Joined: 08 October 2007
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Points: 4231 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jake_Fielder Quote  Post ReplyReply Direct Link To This Post Posted: 15 April 2008 at 9:15am
The drivers excursion will be highest at the central peak of 50Hz*
 
*unless its run below ~25Hz
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Jake_Fielder View Drop Down
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Joined: 08 October 2007
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Points: 4231 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jake_Fielder Quote  Post ReplyReply Direct Link To This Post Posted: 15 April 2008 at 9:18am
Oh and btw Rog, congratulations on getting a graph so flat accross such a wide bandwidth, especially with this type of enclosure. This really does seem like the ultimate bass cab...
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JaKe View Drop Down
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Points: 684 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JaKe Quote  Post ReplyReply Direct Link To This Post Posted: 15 April 2008 at 10:47am
Love to hear it up against a  Funktion One F221 which is 50% bigger.

JaKe
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Bryan M View Drop Down
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Points: 2223 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Bryan M Quote  Post ReplyReply Direct Link To This Post Posted: 15 April 2008 at 1:00pm
Originally posted by JaKe JaKe wrote:

Love to hear it up against a  Funktion One F221 which is 50% bigger.

JaKe


already have heard the two cabs in the same room, all i will say is that even the owner of the F1 221s said the stasys x were heavier

bad man cab rogThumbs%20Up
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