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bargin boi
3NE 2NR for life
Joined: 27 Jan 2009
Tech posts: 145
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 Posted: Mon Oct 26, 2009 8:30 pm
Post subject: cut out diameter for front baffle |
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| why do some manufacturers, leave an extra 1 inch or so after cutting the front baffle to fit the woofer in place?..Does it hav somting to do wit the spider or jus an extra grip or hold, for the woofer for watever the reason... |
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slow323
Chronic TriniTuner
Joined: 18 May 2005
Tech posts: 502
Location: pos, maraval
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Posted: Tue Oct 27, 2009 2:01 pm
Post subject: |
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| you have a diagram of what you are talking about |
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cvt-7_RR
Street 2NR
Joined: 20 Nov 2007
Tech posts: 47
Location: Sando
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Posted: Tue Oct 27, 2009 2:26 pm
Post subject: |
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| are you talking about flush mounting the sub? |
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bargin boi
3NE 2NR for life
Joined: 27 Jan 2009
Tech posts: 145
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Posted: Tue Oct 27, 2009 2:47 pm
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| i dont hav any pic but lemme try 2 b a lil more detailed. The baffle board has 2 be cut in order for d sub 2 screwed on d board... say the sub is a 12", and d manufacturer recommends dat u cut out a 11" diameter hole for the sub 2 fit for watever d reason...why do dey do this.....? |
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ChristianRD
Trinituner Peong
Joined: 18 Jul 2007
Tech posts: 402
My 2NRide: Renault Clio
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Posted: Tue Oct 27, 2009 2:53 pm
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slacker_jack
Shifting into 6th
Joined: 31 Jul 2007
Tech posts: 2167
Location: hiding from 'turban totee' aka Leroy.
My 2NRide: Nissan Almera
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Posted: Tue Oct 27, 2009 4:05 pm
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~rajiv~
3NE 2NR for life
Joined: 26 Oct 2007
Tech posts: 132
Location: South T'dad
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Posted: Tue Oct 27, 2009 4:10 pm
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| bargin boi wrote: | | isay the sub is a 12", and d manufacturer recommends dat u cut out a 11" diameter hole for the sub 2 fit for watever d reason...why do dey do this.....? |
My word, i think you have to explain yourself better......
Well if you were to cut it 12" there wouldn't be anywhere to screw down the sub |
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bargin boi
3NE 2NR for life
Joined: 27 Jan 2009
Tech posts: 145
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Posted: Tue Oct 27, 2009 4:45 pm
Post subject: |
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| ChristianRD wrote: | |
GOD MADE UR A CHRITIAN, BUH U AINT NO FORKIN CHRISTIAN..UR SHUUDA BEEGGGG GOD..TO firetruck UP UR MUDDA BUGWAAANAAA..IF UR WAH fuggin LIVE,,GO 2 fuggin CHURCH OR fuggin GET RELIGION...DOH firetruck ROUN ME SOLDIER.....firetruck ROUN AGAIN N UR GO C... |
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bargin boi
3NE 2NR for life
Joined: 27 Jan 2009
Tech posts: 145
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Posted: Tue Oct 27, 2009 5:00 pm
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| bargin boi wrote: | | ChristianRD wrote: | |
GOD MADE UR A CHRITIAN, BUH U AINT NO FORKIN CHRISTIAN..UR SHUUDA BEEGGGG GOD..TO firetruck UP UR MONTHLY SALARY..IF UR WAH fuggin LIVE,,GO 2FUCKIN CHURCH OR fuggin GET RELIGION...DOH firetruck ROUN ME SOLDIER.....firetruck ROUN AGAIN N UR GO C... |
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ChristianRD
Trinituner Peong
Joined: 18 Jul 2007
Tech posts: 402
My 2NRide: Renault Clio
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Posted: Tue Oct 27, 2009 5:01 pm
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Imagine this waste of semen still givin car audio advice.
Don't be a cvnt Arion Khan. You can't even put proper sentences together/ use proper grammar.
FYI your question maybe the dumbest question ever asked in I.C.E. |
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slacker_jack
Shifting into 6th
Joined: 31 Jul 2007
Tech posts: 2167
Location: hiding from 'turban totee' aka Leroy.
My 2NRide: Nissan Almera
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Posted: Tue Oct 27, 2009 9:51 pm
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| ChristianRD wrote: |
FYI your question maybe the dumbest question ever asked in I.C.E. |
I thought you said mine was?
If so, I am offended by this thread.
anyways, bargin boi, I thnk what you refering to is counter sunk, like in this pic:
http://forums.trinituner.com/forums/posting.php?mode=quote&p=2699428
well to answer your question I assume it has to do with the design itself, take for example this sub: RF T112D4
the sub is a 12" & the cut out diameter is 10.8125"
take a look at this cross sectional view of the sub & you might understand why:
 | | Click for full-size. | |
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bargin boi
3NE 2NR for life
Joined: 27 Jan 2009
Tech posts: 145
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Posted: Wed Oct 28, 2009 9:06 am
Post subject: |
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| slacker_jack wrote: | | ChristianRD wrote: |
FYI your question maybe the dumbest question ever asked in I.C.E. |
I thought you said mine was?
If so, I am offended by this thread.
anyways, bargin boi, I thnk what you refering to is counter sunk, like in this pic:
http://forums.trinituner.com/forums/posting.php?mode=quote&p=2699428
well to answer your question I assume it has to do with the design itself, take for example this sub: RF T112D4
the sub is a 12" & the cut out diameter is 10.8125"
take a look at this cross sectional view of the sub & you might understand why:
| | Click for full-size. | |
YEA SLACKER_JACK..DIS IS WAT I MEANT..THANK U...I NOW NO WAT UR MEAN..THX !!..  |
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theblitz
Chronic TriniTuner
Joined: 24 Jun 2007
Tech posts: 680
Location: South Trinidad
My 2NRide: Toyota Corolla
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Posted: Thu Oct 29, 2009 11:49 am
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slacker_jack
Shifting into 6th
Joined: 31 Jul 2007
Tech posts: 2167
Location: hiding from 'turban totee' aka Leroy.
My 2NRide: Nissan Almera
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Posted: Thu Oct 29, 2009 12:44 pm
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robo kitty saves thread.
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3stagevtec
punchin NOS
Joined: 12 Jul 2006
Tech posts: 4798
Location: killing two stones with one bird...
My 2NRide: Suzuki Grand Vitara
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Posted: Thu Oct 29, 2009 3:02 pm
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 @ thread..
________________________________________________
| | Click for full-size. |
anyone ever notice how the coil is NOT centered inside the top plate on some subs? it shows that the sub was designed to have greater forward excursion than backward...
just an observation.. |
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infinite_RPM
Sweet on this forum
Joined: 17 Mar 2008
Tech posts: 330
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Posted: Thu Oct 29, 2009 3:34 pm
Post subject: |
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| bargin boi wrote: | | i dont hav any pic but lemme try 2 b a lil more detailed. The baffle board has 2 be cut in order for d sub 2 screwed on d board... say the sub is a 12", and d manufacturer recommends dat u cut out a 11" diameter hole for the sub 2 fit for watever d reason...why do dey do this.....? |
diz a classic  |
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viking1705
Sweet on this forum
Joined: 01 Dec 2008
Tech posts: 370
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Posted: Thu Oct 29, 2009 5:09 pm
Post subject: |
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| som a ulyuh men brutal in here yes..lol |
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slacker_jack
Shifting into 6th
Joined: 31 Jul 2007
Tech posts: 2167
Location: hiding from 'turban totee' aka Leroy.
My 2NRide: Nissan Almera
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Posted: Thu Oct 29, 2009 7:15 pm
Post subject: |
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| this thread not locked yet? |
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theblitz
Chronic TriniTuner
Joined: 24 Jun 2007
Tech posts: 680
Location: South Trinidad
My 2NRide: Toyota Corolla
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Posted: Thu Oct 29, 2009 7:48 pm
Post subject: |
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| 3stagevtec, how could that be though? The oscillating signal will have the same amplitude on compression and rarefaction, especially a sine wave. It would mean that the xmech/xmax is limited due to the backplate not so? |
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3stagevtec
punchin NOS
Joined: 12 Jul 2006
Tech posts: 4798
Location: killing two stones with one bird...
My 2NRide: Suzuki Grand Vitara
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Posted: Thu Oct 29, 2009 9:04 pm
Post subject: |
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| theblitz wrote: | | 3stagevtec, how could that be though? The oscillating signal will have the same amplitude on compression and rarefaction, especially a sine wave. It would mean that the xmech/xmax is limited due to the backplate not so? |
agreed.. i've noticed this with alot of subs, same with my Audiopipe candy cone subs.. it's much easier to pull the cone forward than to push it back in, so it's definitely an intentional manufacturer design..
i know manufacturers can leave enough room to get even travel in both directions (e.g. bumped backplate etc).. but i'm really not sure why RF / Audiopipe etc don't do it..
maybe it has something to do with damping the cone movement or so..  |
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SR
Chief Cook & Instigator
Joined: 07 Apr 2003
Tech posts: 6815
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Posted: Thu Oct 29, 2009 9:16 pm
Post subject: |
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actually the differences are either and over hung or under hung voice coil where the coil is either not fully in the magnetic gap or deep into it
depending on the overall sub design it yields different acoustic accuracy and responses |
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ChristianRD
Trinituner Peong
Joined: 18 Jul 2007
Tech posts: 402
My 2NRide: Renault Clio
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Posted: Thu Nov 12, 2009 11:18 pm
Post subject: |
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| bump |
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