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Will someone figure the approximate surface area of a 10", 12", 15", and 18" sub?

I'm trying to decide to buy a ton of 12's or less of something bigger, but i want the most cone area i can get.

Thank you in advance.

84 K5 Blazer

3" body, 2" Suspension

35" Maxxis Bighorn

100amp Alt

Marine deep cycle for the amps (freebie)

KnuKonceptz 1/0

8 Hifonics HFi 12D4's in ~19cubes tuned to 35hz

Audiopipe AP-18001D

RF 5x8's in the kicks

Almani 5.25 comp. in back

Kenwood KAC-645

--IN THE FUTURE--

None.

<!--quoteo(post=0:date=Feb 3 2010, 09:12 AM:name=Decaf)--><div class='quotetop'>QUOTE (Decaf @ Feb 3 2010, 09:12 AM)</div><div class='quotemain'><!--quotec-->we seriously need some butt plugs so you guys stop spewing chit talk<!--QuoteEnd--></div><!--QuoteEEnd-->

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are you serious? did you pass the 4th grade? and technically every sub's usable cone area is different. The Sd value in t/s parameters.

SPL-Lab REPCar: 1996 Honda Accord F22B1 CoupeSuspension: Megan Racing Full Street Coilover Dampener KitAlternator: DC Power XP 270Batteries: XS Power D5100 & D3100Wiring: KnuKonceptz & 2/0 Welding cableHeadunit: Kenwood KDC-MP642UComponents: Hybrid Audio ClarusAmplifers: Lanzar OPTI250X4Subwoofer: 2 Sundown Audio E8.v2Deadener: Sound Deadener ShowdownSPL Meter: SPL-Lab RTA Pro meterWant an SPL meter for a lot less than the cost of a Termlab, but just as accurate and has the same features? PM me.CA ref: (enellz, 92c1v1c, el_chupo_, Thixx, Kraudio12, SethPhillips, NJack2AF, JamesKarr, ExpoSport, 01 S 10, wgsj_fortvalley, fast306stang, Lakota, blackga, TheLow, adrian1185, the727kid, rudy, sundownz, lmllopez, traksta15, gentlejax, satchel50207, Bigthangs, Goindef154)CACO ref: (extremechevyman67, ghostmechanic, FatBoy2, TheMan007, bdufner, 350zkid, ironb, bmansbach)SSA ref as phi: ( shizzzon, porkchop, onebadmonte, stevemead, TRP, ///M5, denim)SMD ref: (DC Power Rob, Nathan@XSPOWER, Jman08)And then some.

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Pi X Radius Squared is your friend.

3.14 x 5" x 5" = area of a 10" circle.

Ed Lester

ShowtimeSPL Host

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http://www.stevemead...08/#entry511451

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thanks! exactly what i needed.

--scratch that.

Edited by kx519

84 K5 Blazer

3" body, 2" Suspension

35" Maxxis Bighorn

100amp Alt

Marine deep cycle for the amps (freebie)

KnuKonceptz 1/0

8 Hifonics HFi 12D4's in ~19cubes tuned to 35hz

Audiopipe AP-18001D

RF 5x8's in the kicks

Almani 5.25 comp. in back

Kenwood KAC-645

--IN THE FUTURE--

None.

<!--quoteo(post=0:date=Feb 3 2010, 09:12 AM:name=Decaf)--><div class='quotetop'>QUOTE (Decaf @ Feb 3 2010, 09:12 AM)</div><div class='quotemain'><!--quotec-->we seriously need some butt plugs so you guys stop spewing chit talk<!--QuoteEnd--></div><!--QuoteEEnd-->

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http://www.stevemeadedesigns.com/board/ind...?showtopic=6819

There ya go!

Edit: Darn it solo_x18 beat me to it , well that waz strange none of those replies where here when i clicked,lol

Edited by audiogod9000

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You can do it yourself, not hard. Equation for a 10" sub

r^2 (5 x 5) x Pi (3.14) = 78.5in^2

i know that, Pi(r^2)

but i wanted to add in the extra area from the dip in the cone and stuff, seeing how a speaker isnt really flat. im sure it makes quite a difference and thats what i needed help with.

84 K5 Blazer

3" body, 2" Suspension

35" Maxxis Bighorn

100amp Alt

Marine deep cycle for the amps (freebie)

KnuKonceptz 1/0

8 Hifonics HFi 12D4's in ~19cubes tuned to 35hz

Audiopipe AP-18001D

RF 5x8's in the kicks

Almani 5.25 comp. in back

Kenwood KAC-645

--IN THE FUTURE--

None.

<!--quoteo(post=0:date=Feb 3 2010, 09:12 AM:name=Decaf)--><div class='quotetop'>QUOTE (Decaf @ Feb 3 2010, 09:12 AM)</div><div class='quotemain'><!--quotec-->we seriously need some butt plugs so you guys stop spewing chit talk<!--QuoteEnd--></div><!--QuoteEEnd-->

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i know that, Pi(r^2)

but i wanted to add in the extra area from the dip in the cone and stuff, seeing how a speaker isnt really flat. im sure it makes quite a difference and thats what i needed help with.

pir^2 would be a good estimate but yes most definatly cone area would be differnet becaue of the curvature.

"The strongest reason for people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government." -- (Thomas Jefferson)

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are you serious? did you pass the 4th grade? and technically every sub's usable cone area is different. The Sd value in t/s parameters.

SPL-Lab REPCar: 1996 Honda Accord F22B1 CoupeSuspension: Megan Racing Full Street Coilover Dampener KitAlternator: DC Power XP 270Batteries: XS Power D5100 & D3100Wiring: KnuKonceptz & 2/0 Welding cableHeadunit: Kenwood KDC-MP642UComponents: Hybrid Audio ClarusAmplifers: Lanzar OPTI250X4Subwoofer: 2 Sundown Audio E8.v2Deadener: Sound Deadener ShowdownSPL Meter: SPL-Lab RTA Pro meterWant an SPL meter for a lot less than the cost of a Termlab, but just as accurate and has the same features? PM me.CA ref: (enellz, 92c1v1c, el_chupo_, Thixx, Kraudio12, SethPhillips, NJack2AF, JamesKarr, ExpoSport, 01 S 10, wgsj_fortvalley, fast306stang, Lakota, blackga, TheLow, adrian1185, the727kid, rudy, sundownz, lmllopez, traksta15, gentlejax, satchel50207, Bigthangs, Goindef154)CACO ref: (extremechevyman67, ghostmechanic, FatBoy2, TheMan007, bdufner, 350zkid, ironb, bmansbach)SSA ref as phi: ( shizzzon, porkchop, onebadmonte, stevemead, TRP, ///M5, denim)SMD ref: (DC Power Rob, Nathan@XSPOWER, Jman08)And then some.

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