SVM 286
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Registered: 13th Feb 05
Location: pain
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I know nothing about all this lark and during a recent discussion with a pal came to a bit of an impasse.
So, my question is, if you have a saloon with a 'sealed' boot enclosure, i.e. no ski hatch or folding seat, what type of sub should you use, a ported box or not?
And would this alter if you were to cut a port into the parcel shelf?
Thanks all. 
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Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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I would think a sealed box due it giving off more bass.
Regardless of what style of car, I would always go sealed. Ported boxes never sound as bassy as sealed.
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Gary
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Registered: 22nd Nov 06
Location: West Yorkshire
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Ported for SPL sealed for more precise sound isn't it?
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SVM 286
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Registered: 13th Feb 05
Location: pain
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Ah ha, Nice one chaps :-)
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IainW
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Registered: 12th May 12
Location: NW Kent
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Sealed give a wider range of frequencies than ported but ported are louder than sealed near the tune frequency. I currently have a ported box in my car and it's more than enough to flex the windscreen... Sealed wouldn't be anywhere near as good
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SVM 286
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Registered: 13th Feb 05
Location: pain
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What car do you have Iain?
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IainW
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Registered: 12th May 12
Location: NW Kent
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I've got an astra h, but the theory applies to the same either way... A ported box will be louder but only at a smaller frequency range than sealed
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Gary
Premium Member
Registered: 22nd Nov 06
Location: West Yorkshire
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You not a bit old for this sub woofer lark Jim?
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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I'm old and my vw t4 transporter van 2.5 tdi has 2 subs in it.
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SVM 286
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Registered: 13th Feb 05
Location: pain
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quote:
Originally posted by Gary
You not a bit old for this sub woofer lark Jim?
https://www.youtube.com/watch?v=7PCkvCPvDXk
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Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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I bought a 15" Kicker L7 which was in a ported box and it sounded shite. No kick to it on bassy songs. Didn't have a clue why so stuffed an old towel in the ported hole and it nearly blew the boot off. Ended up screwing a bit wood over the hole and it was insanely loud after that.
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corb
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Registered: 24th Apr 02
Location: Calgary, Alberta, Canada
User status: Online
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quote:
Originally posted by Corsa_Sport21
I bought a 15" Kicker L7 which was in a ported box and it sounded shite. No kick to it on bassy songs. Didn't have a clue why so stuffed an old towel in the ported hole and it nearly blew the boot off. Ended up screwing a bit wood over the hole and it was insanely loud after that.
Depends on the size of the box, port and wadding in the box.
I had 2 of them in my corsa, in a very large, correctly ported box tuned to around 45hz (cant remember exactly, it was 10years ago!). Only being run on half the power they were able to handle and still recorded 148db.
I changed them into a box 1/4 of the size with no port and was hitting 144db but with much more punch on speedy dance tracks. The low rolling bass of rap music wasn't anywhere near as loud.
Given all the choices of all the set ups I had, my two 12" Inifinty Perfect 12's (rated at 300rms) in a 4cubic foot ported box with 1200RMS going up them (600 each) was the best set up I ever had.
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DaveyLC
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Registered: 8th Oct 08
Location: Berkshire
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There is nothing more irritating than some inconsiderate prick sharing his shit music with the rest of the traffic.
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ShEp
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Registered: 9th Aug 05
Location: Dingwall, Highland
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Not everyone wants a subwoofer for noise levels though, I personally use one for sound quality, Pink Floyd never sounded better 
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