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Grant Thomson
Tinkerer
WA
UZZ31 V8

Posts: 6
Reg: 02-2010

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Saturday, February 27, 2010 - 08:43 pm, by:  Grant Thomson (Gt1uz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hey just thought I would share my front splits enclosures. The recommended method to fit 6" or 6.5" speakers inside the door panels is to cut a piece of MDF board as a template and fit the new speakers to that, which works fine. However I wanted my front speakers to be enclosed and for those enclosures to be more rigid than flimsy MDF so i simply cut up the stock 4" enclosures and used my very basic fibreglass skills to mould new adapters to them. The unit is 100% air tight, you can tell by when you press into the cone of the speaker with your finger there is resistance where the air inside the box is being pushed back.



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There painted black for a neater look


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Still keeping the look stock from the outside


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Just to note I am aware the stock enclosures were made for small 4" low power speakers but despite that with the 6.5" speakers in they give lots of punch and excellent mid-range.
Warren Moore
TryHard
Victoria
JZZ31 2JZ-GE

Posts: 166
Reg: 01-2010

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Saturday, March 06, 2010 - 05:07 pm, by:  Warren Moore (Warreng) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I have the same front splits as you but haven't got around to installing them yet. they are k2p's right? Why is it that no one installs aftermarket tweeters into the stock tweeter position? is it because they will not fit? and would you really notice a sound difference having the speakers 100% airtight as compared to using mdf cutouts?
Ty Mackay
Goo Roo
WA
Soarer TT 1jz-gte

Posts: 1327
Reg: 01-2009

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Sunday, March 14, 2010 - 02:16 am, by:  Ty Mackay (Duo89) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

nice man, dude a tutorial! :-)
Boris Siljanoski
DieHard
Western Australia
Soarer GZ20 TT

Posts: 570
Reg: 11-2007

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Sunday, March 14, 2010 - 03:08 am, by:  Boris Siljanoski (Z2tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yes you'll definitely notice sound difference if they are not air tight which is why 90% of Installs sound distorted.

That tweeter should be installed facing you as trebble is directional, the factory spot is a much better position for it. Otherwise try to angle it upward to face the listener.
Rob Andreacchio
Goo Roo
Victoria
I've Sprouted Horns

Posts: 3326
Reg: 01-2005

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Sunday, March 14, 2010 - 05:44 am, by:  Rob Andreacchio (Reepa) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Warren Moore wrote on Saturday, March 06, 2010 - 05:07 pm:

Why is it that no one installs aftermarket tweeters into the stock tweeter position?




I did on all of my installs.. VERY tight fit, but you can make it work if you want to.
Mike Beck
Goo Roo
New Zealand
325i Coupe

Posts: 4382
Reg: 11-2005

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Sunday, March 14, 2010 - 05:07 pm, by:  Mike Beck (Gold_40gt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I did the same thing, I did quite a nice job. I wouldnt bother again though, 4's are better IMO
Warren Moore
TryHard
Victoria
JZZ31 2JZ-GE

Posts: 184
Reg: 01-2010

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Sunday, March 14, 2010 - 05:17 pm, by:  Warren Moore (Warreng) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Well I am looking for the best possible audio quality as I have top of the range focal speakers that I am wanting to install. If I went to a fiber glassing place, could they and would they do something similar to this?

And Grant, did you still use mdf cutouts and then fiberglass over the top to fill the gaps? Or just straight fiberglass?
Boris Siljanoski
DieHard
Western Australia
Soarer GZ20 TT

Posts: 573
Reg: 11-2007

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Sunday, March 14, 2010 - 06:50 pm, by:  Boris Siljanoski (Z2tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Some Car Audio places can do fibreglassing for you.
Warren Moore
TryHard
Victoria
JZZ31 2JZ-GE

Posts: 186
Reg: 01-2010

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Tuesday, March 16, 2010 - 07:31 pm, by:  Warren Moore (Warreng) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Is fiberglassing an expensive thing to get done at a car audio place?
Grant Thomson
Tinkerer
WA
UZZ31 V8

Posts: 13
Reg: 02-2010

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Thursday, March 18, 2010 - 07:58 pm, by:  Grant Thomson (Gt1uz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Fiberglassing done at an audio place would probably be moderately expensive given the fact that its quite time consuming, but its really quite simple and I would recommend anyone give it a go as long as you practice on something first.

To answer your questions above Warren; I did use small mdf sheets to act as something to hold up the fiberglass when making the face of the enclosure where the speaker sits.

And the reason I put the tweeter next to the woofer was to keep all three components, the woofer, tweeter and splits close together to try and avoid that sharp piercing sound when the treble is too high and to avoid interference, it does its job fine sitting below when listening to my type of music.
Austen Menze
DieHard
WA
GT-TL

Posts: 625
Reg: 07-2009

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Monday, March 22, 2010 - 09:57 pm, by:  Austen Menze (Mercyfulfate) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

That's cool I'd like to try do that myself :-) Where do you get the fibreglassing gear from?
Grant Thomson
Tinkerer
WA
UZZ31 V8

Posts: 15
Reg: 02-2010

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Friday, March 26, 2010 - 06:40 pm, by:  Grant Thomson (Gt1uz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

A friend of mine works at a boat place so I get it off him for free, he buys it off his work for hilariously cheap prices, something like $30 for 80x1m. Try Bunnings if you only ned a little bit, fiberglass sheets 1sq.m should be around $5 and resin about $10 for a small tin with the activator. Just be prepared for a lot of mess!
Michael O'Driscoll
TryHard
Victoria
TT

Posts: 238
Reg: 10-2005

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Friday, March 26, 2010 - 06:45 pm, by:  Michael O'Driscoll (Remickz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Dont forget a pack of rubber gloves and some cheap paint brushes
Austen Menze
DieHard
WA
GT-TL

Posts: 643
Reg: 07-2009

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Friday, March 26, 2010 - 07:10 pm, by:  Austen Menze (Mercyfulfate) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Thanks I'll stop by Bunnings tomorrow mate :-)
Is fibreglassing hard to do?
Michael O'Driscoll
TryHard
Victoria
TT

Posts: 239
Reg: 10-2005

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Friday, March 26, 2010 - 07:31 pm, by:  Michael O'Driscoll (Remickz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

No not at all, just be wary of the fumes, and as others have said, practice a bit first if your worried.
Of all the little things i have done using fibreglass, i realised half way through that i should start wearing disposable gloves, saves a lot of mess afterwards.
Austen Menze
DieHard
WA
GT-TL

Posts: 645
Reg: 07-2009

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Friday, March 26, 2010 - 07:35 pm, by:  Austen Menze (Mercyfulfate) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Haha will do!
What does the process involve?
Warren Moore
TryHard
Victoria
JZZ31 2JZ-GE

Posts: 202
Reg: 01-2010

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Tuesday, March 30, 2010 - 10:32 am, by:  Warren Moore (Warreng) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Fiberglassing come to think of it would make no difference at all. Making the speaker air proof is impossible.. what about all the air coming in from the gaps in the window frame etc? just a waste of time imo
Lucas Waterworth
Tinkerer
north island, nz
2.5tt auto

Posts: 39
Reg: 03-2010

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Monday, April 26, 2010 - 06:07 pm, by:  Lucas Waterworth (Gadget666) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I thought the point of the fibreglass was to enclose the speakers on all sides, including the back, warren? that is what the factory surround does now, it is a box, not a circle with no back.
Grant Thomson
Tinkerer
WA
UZZ31 V8

Posts: 18
Reg: 02-2010

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Tuesday, April 27, 2010 - 12:11 am, by:  Grant Thomson (Gt1uz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Thats right Lucas

Warren the enclosure is completely fibreglassed all the way round as based on the original enclosures with a wider opening to fit the larger 6.5" speaker.

It's the same method used by professional car speaker installers worldwide, though not the same quality i suspect....
Warren Moore
TryHard
Victoria
JZZ31 2JZ-GE

Posts: 248
Reg: 01-2010

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Tuesday, April 27, 2010 - 10:27 pm, by:  Warren Moore (Warreng) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

if you want to start talking professional, start concreting the inside of your doors haha

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