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Old 26th July 2010, 05:50 AM   #1
makokoy is offline makokoy  United States
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Default Need help Cabinet design/dimesion for SEAS 8"

I need help what cabinet dimension for this speaker below.
I just want simple bookshelf. SEAS 8"

http://www.seas.no/images/stories/vi...282_p21rex.pdf

thank you
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Old 26th July 2010, 07:55 AM   #2
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Strange. It says Fs=33Hz and measured is 60Hz.
Maybe that's the 20L box, and go's down with time (a little).
Anyway, you gonna need the rest of the speaker...
Quote:
I just want simple bookshelf. SEAS 8"
This is not a full range.

Last edited by Inductor; 26th July 2010 at 07:59 AM.
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Old 26th July 2010, 08:01 PM   #3
GOWA is offline GOWA  Canada
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makokoy, could you be a little more vague?
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Old 26th July 2010, 10:48 PM   #4
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unibox gives me 55L tuned to 37Hz for an F3 of 35; probably a bit big for a bookshelf...
35L with the same tuning will give an F3 of 43Hz, I wouldn't go smaller than that... a 6" is probably a better bet for a bookshelf...
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Old 26th July 2010, 11:43 PM   #5
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Is good to know more details (like planned construction, BSC? and xover frequency).

Last edited by Inductor; 26th July 2010 at 11:45 PM. Reason: new or existent project
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Old 27th July 2010, 12:16 AM   #6
GOWA is offline GOWA  Canada
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The Seas CA22RNX (H1288) will give you a sealed box of 28 liters (1.0cf); f3 of 60Hz

Click the image to open in full size.
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Old 27th July 2010, 05:52 AM   #7
makokoy is offline makokoy  United States
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sorry for my limited english and lack of info I thought designing cabinet based only on woofer.The 8" Seas currently in my RSL CG8 and sounds much better from the original woofer but lack of base . I'm thinking of building box with intended design for 8" P21REX seas using the RSL CG tweeter and X-over this might improve the bass if the cabinet is design for this woofer? do you think I can hear difference? if so,what would be the cabinet dimension. some problem I can't find specs of my tweeter and xover
I know lot of you guys have more knowledge in building speaker cabinet.

thanks

http://www.seas.no/images/stories/vi...282_p21rex.pdf
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Old 28th July 2010, 12:15 AM   #8
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The value for components are all there, only missing is value for the second resistor, not visible.
Tweeter Seas h0456/25tf
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Old 28th July 2010, 03:41 AM   #9
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Makokoy, what are the internal dimensions of the boxes you already have?
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Old 28th July 2010, 04:08 AM   #10
makokoy is offline makokoy  United States
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the inside dimension maybe 9x14.5x11 and the outside is H 15.5"x W 10" x D 12"
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