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Basscrazy

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Registered: 16th Sep 05
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3rd Jan 06 at 20:33

dunno if this is a silly question are there subs that dont need a box behind them?

Planty02

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Registered: 5th Mar 05
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3rd Jan 06 at 20:47

not 100% sure on this but i think that u can mount a sub newhere really as long as u can screw it down BUT the box helps to make the bass sound better

andy hirst

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Registered: 18th Apr 02
Location: Rochdale, Greater Manchester
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3rd Jan 06 at 20:54

you need an IB sub, the id8 or comp 8 are good IB subs. although there has to be a sealed barrier between the space where it is mounted.

Basscrazy

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3rd Jan 06 at 20:55

in what way do you mean barrier mate...

andy hirst

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Registered: 18th Apr 02
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4th Jan 06 at 09:57

eg, parcel shelf

It needs to be strong first of all, the cone and magnet shouldnt be in the same space, if that means anything, so the cabin should be sealed from the boot. Hard to explain without showing a pic.

MR2Mike

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Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
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4th Jan 06 at 10:03

it will sound fuckin shit without a box mate

andy hirst

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Location: Rochdale, Greater Manchester
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4th Jan 06 at 10:09

you've never heard of the id8 then:

http://www.nearfieldaudio.co.uk/forum/viewtopic.php?t=174

MR2Mike

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4th Jan 06 at 11:59

seen it done, but its pointless and just attracts thieves, like 6x9s do

Ricky-Lee53

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Registered: 4th Jan 06
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4th Jan 06 at 13:46

quote:
Originally posted by Mike_Corsa
seen it done, but its pointless and just attracts thieves, like 6x9s do

Y didn't you think of that Andy you idiot

Im guessing your a TA user???

Actually some of the best sounding subs are IB. A lot of people with salloons swear by them.
What worries me is why you want to ditch the box? Its not a good idea with some subs.

Basscrazy

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4th Jan 06 at 21:22

ive got subs in box i want more bass

MR2Mike

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4th Jan 06 at 21:31

quote:
Originally posted by Ricky-Lee53

quote:
Originally posted by Mike_Corsa
seen it done, but its pointless and just attracts thieves, like 6x9s do

Y didn't you think of that Andy you idiot Im guessing your a TA user???

Actually some of the best sounding subs are IB. A lot of people with salloons swear by them.
What worries me is why you want to ditch the box? Its not a good idea with some subs.

flash22

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Registered: 13th Sep 05
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4th Jan 06 at 21:37

if you want more bass you need to get some decent sub(s) and a mono block amp and mount the subs up in a custom bandpass or vented box desiged to work with those subs with the correct displacement and port(s) dimensions to optimize freq of the subs as low as you can get it eg.30-35hz. an off the shelf bass box say a 12" one are tuned (more likely throwen together) at around 48 hz and higher

[Edited on 04-01-2006 by flash22]

MR2Mike

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4th Jan 06 at 21:38

a more sensible comment

Ricky-Lee53

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5th Jan 06 at 10:18

quote:
Originally posted by flash22
if you want more bass you need to get some decent sub(s) and a mono block amp and mount the subs up in a custom bandpass or vented box desiged to work with those subs with the correct displacement and port(s) dimensions to optimize freq of the subs as low as you can get it eg.30-35hz. an off the shelf bass box say a 12" one are tuned (more likely throwen together) at around 48 hz and higher

[Edited on 04-01-2006 by flash22]

As above. I have a Box design program should anybody need a design.
I would go for a vented/slot port box over a bandpass.

The problem is you won't hear a big difference in volume by tuning so low. But IMO you will gain SQ and low end bass... (that wobble stuff

) known as streetbass.

Have you got a multimeter?

andy hirst

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Registered: 18th Apr 02
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5th Jan 06 at 16:51

Ricky: I am indeed a TA user.

Basscrazy: What kind of bass are you after, big drops? Hard hitting? or musical?

Basscrazy

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5th Jan 06 at 20:47

i want some big drops mate ive been told my box size is too small tho these two 15" are just fucking shocking ive been in cars with splx that drop more i have two mono block amps that are not bad i just am at the stage of giving up mate i really am what ever settings i try it just sounds worse

andy hirst

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5th Jan 06 at 20:54

you need a big vented box. What subs are they and how much power they getting

Basscrazy

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5th Jan 06 at 20:58

there the 15" jbl ones that motor world do the ones previous to the ones that say 100 watts on middle and they have got two alpine 750 amps there monoblock

andy hirst

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5th Jan 06 at 21:16

http://www.linearteam.dk/default.aspx?pageid=newdriver

you will need the driver specs, but it will workout the box you need.

Basscrazy

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5th Jan 06 at 21:56

JBL GT4-15 thats one i hve im struggling with finding the spec for it

Basscrazy

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5th Jan 06 at 21:58

JBL GT3-15 sorry

andy hirst

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5th Jan 06 at 22:00

specs: http://www.jbl.com/car/products/product_detail.aspx?prod=GT3-15/230&CheckProduct=Y

andy hirst

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5th Jan 06 at 22:06

winisd says 15.63cu.ft is the optimum box size for both drivers, that will drop loooooooow. Unfortunatley im not into building vented enclosures, i stick with sealed for sq, register a Talkaudio.co.uk and go into the spl and streetbass section, and they will give you the info you need to build the box.

Basscrazy

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5th Jan 06 at 22:09

how low is low i want something fairly good

Basscrazy

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5th Jan 06 at 22:17

i joined see what they say cheers for help mate

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