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Car Forum / Driving, Maintenance, Tuning / Car Audio / July 2006

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Subwoofer Boxes (box vs fiberglass)

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Jason K - 09 Jul 2006 00:24 GMT
As far as SQ goes is there a difference in a wooden box say built to 1.2
ft^2 opposed to a fiberglass enclosure also built to ~1.3 ft^2? (both
sealed)

Any tips for making a fiberglass enclosure as good or closer to as good as
the wooden box? (thicker walls, poly filling, subwoofer aiming?)

With a fiberglass enclosure, I guess it would be easier to aim the woofers
in any direction. Does this make a difference? i've heard the term stereo
bass before but I don't know how much weight that carries atm.
Captain Howdy - 09 Jul 2006 09:09 GMT
Fiberglass sub enclosures are for posers that want their systems looking
pretty rather then sounding good.  You can always use poly fill on a wood box
to shape it and smoothen it. Stereo bass huh? That's funny. I guess you need
and left and right woofer to get stereo bass or maybe you just need to crank
up some stereo mc's to get stereo bass. I have quadraphonic bass , you know
dat quad city knock.

>As far as SQ goes is there a difference in a wooden box say built to 1.2
>ft^2 opposed to a fiberglass enclosure also built to ~1.3 ft^2? (both
[quoted text clipped - 6 lines]
>in any direction. Does this make a difference? i've heard the term stereo
>bass before but I don't know how much weight that carries atm.
Jason K - 09 Jul 2006 09:31 GMT
You didn't end up answering any of my questions.  Why does fiberglass have
to be for posers?  Why can't fiberglass be for guys who doesn't want two 1.2
ft^2 sitting in the middle of my trunk when i can make one that fits in the
sidewell nicely?

Go have fun with your "quadraphonic bass"... yea i'm talking about the one
"dat quad city knocks" but if you're gonna post a reply at least do it with
a slight hint of intelligence.

> Fiberglass sub enclosures are for posers that want their systems looking
> pretty rather then sounding good.  You can always use poly fill on a wood
[quoted text clipped - 20 lines]
>>in any direction. Does this make a difference? i've heard the term stereo
>>bass before but I don't know how much weight that carries atm.
Captain Howdy - 09 Jul 2006 11:07 GMT
If you want to fiberglass then do just that, what are you looking for
approval? A slight hint of intelligence? Aren't you the one that was asking
about stereo bass?

>You didn't end up answering any of my questions.  Why does fiberglass have
>to be for posers?  Why can't fiberglass be for guys who doesn't want two 1.2
[quoted text clipped - 4 lines]
>"dat quad city knocks" but if you're gonna post a reply at least do it with
>a slight hint of intelligence.
Jason K - 09 Jul 2006 15:43 GMT
1)  I mentioned stereo bass because I've heard it somewhere and I even did
it with skepticism.  And I quote "i've heard the term stereo bass before but
I don't know how much weight that carries atm"
2)  I'm not looking for approval, I'm looking to build a great sounding SQ
competing car.  A fiberglass enclosure would fit me better in terms of space
in the trunk but if a wooden box makes the SQ better, I'll gladly do that
instead

My question is perfectly legitimate and I have no idea why you find it so
humuours and "stupid"

> If you want to fiberglass then do just that, what are you looking for
> approval? A slight hint of intelligence? Aren't you the one that was
[quoted text clipped - 15 lines]
>>with
>>a slight hint of intelligence.
Captain Howdy - 09 Jul 2006 17:02 GMT
If you go thick enough with fiberglass the sq will be fine. It will cost you
alot more then a wood box and it's a shitload of work. Make sure that you
use "Long Strand Fiberglass" 3/4 to 1" thinkness will do the trick. Oh and use
a slow hardener to help avoid air bubbles in your molds.

>1)  I mentioned stereo bass because I've heard it somewhere and I even did
>it with skepticism.  And I quote "i've heard the term stereo bass before but
[quoted text clipped - 26 lines]
>>>with
>>>a slight hint of intelligence.
MOSFET - 09 Jul 2006 22:47 GMT
Don't worry about Howdy, he's like that to everyone.  We just put up with
him. ;)  (Hey Howdy, time to put away your 4th-of-July-Car, huh?)

Anyhoo, as far as SQ there is no difference between wood and fiberglass.
Remember, the only purpose of a box is to hold a volume of air and do it by
NOT RESONATING as resonance of the enclosure means wasted energy (it takes
energy to vibrate an enclosure, energy that would be better turned into
SOUND).  The ideal enclosure would be made of granite.

Fiberglass is superior in ONE respect, however.  It is far lighter than wood
and therefore it is preferable if you are into performance and wish to make
your car lighter.  And with the cost of gas these day, WHO ISN'T?

MOSFET

> If you go thick enough with fiberglass the sq will be fine. It will cost
> you
[quoted text clipped - 40 lines]
>>>>with
>>>>a slight hint of intelligence.
Captain Howdy - 10 Jul 2006 02:33 GMT
Nah, I put it away after the labour day parade. Did you install your 99 cent
components yet?

>Don't worry about Howdy, he's like that to everyone.  We just put up with
>him. ;)  (Hey Howdy, time to put away your 4th-of-July-Car, huh?)
[quoted text clipped - 10 lines]
>
>MOSFET
MOSFET - 10 Jul 2006 03:59 GMT
> Nah, I put it away after the labour day parade. Did you install your 99
> cent
> components yet?

Not yet, still waiting for delivery.  And it WAS $23 (with shipping)!!!!
You have to admit, THIS was a SMOKING deal.  I got the tweeters I REALLY
WANTED from the beginning AND a pair of JL midbass drivers that EXACTLY
match the drivers I currently use up front so I am going to use them as my
rear-fill (without tweeters, of course).  So my rear-fill will be
timber-matched to my fronts.  Here is my AWESOME deal:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=270002877050&ru=http://search
.ebay.com:80/270002877050_W0QQbsZSearchQQcatrefZC6QQcoactionZcompareQQcoentrypag
eZsearchQQcopagenumZ1QQfclZ3QQfposZ98292QQfromZR10QQfrppZ50QQfsclZ1QQfsclZ1QQfso
oZ1QQfsopZ1QQfssZ0QQfstypeZ1QQftrtZ1QQftrvZ1QQsacatZQ2d1QQsacurZ0QQsadisZ200QQsa
rgnZQ2d1QQsaslcZ2QQsaslopZ1QQsbrftogZ1QQsofocusZunknownQQsorefinesearchZ1QQfviZ1


I already have a guy who is going to buy my Kenwood's (that I currently use
as rear-fill) for $25.  So I am going to MAKE MONEY on this entire deal.
Not to mention the fact that someone may be interested in buying a single MB
Quart PTD 25 tweeter.

Ebay RULES!!!!!!

MOSFET
Captain Howdy - 10 Jul 2006 05:12 GMT
Hopefully they work.

>> Nah, I put it away after the labour day parade. Did you install your 99
>> cent
[quoted text clipped - 22 lines]
>
>MOSFET
John Comma Smith - 10 Jul 2006 05:51 GMT
> Not yet, still waiting for delivery.  And it WAS $23 (with shipping)!!!!
> You have to admit, THIS was a SMOKING deal.  I got the tweeters I REALLY
[quoted text clipped - 13 lines]
>
> MOSFET

Now isnt it hit and miss with ebay when buying used audio equiptment?
How often does this stuff crap out on you?
MOSFET - 10 Jul 2006 08:11 GMT
> Now isnt it hit and miss with ebay when buying used audio equiptment? How
> often does this stuff crap out on you?

So far, I have been pretty lucky.  It's important to check out the seller.
Make sure his rating is high and has few neg. feedback.  I have bought a
couple of things I do regret, but that is FAR outweighed by the great deals
I have got (I bought two brand new $250 a piece MTX subwoofers for $80 for
the pair, this has been my best deal to date) .  So far, so good....  I have
also bought some amps on Ebay I have been very happy with.

MOSFET
Captain Howdy - 10 Jul 2006 13:45 GMT
This far I ended up with about 20 broken amps from ebay.
Jason K - 12 Jul 2006 06:36 GMT
Thanks for the help guys!  Howdy, learn to have an open mind :P

Now to clarify on stereo bass and my findings... yes i did some research.
A)  stupid me, should have known from the beginning.  bass that low cannot
be located by a human ear unless it has distortion.  so stereo bass just
means you can hear distortion from two subwoofers.  however, believe it or
not, many people believe in it.
http://www.google.ca/search?q=stereo+bass&start=0&ie=utf-8&oe=utf-8&client=firef
ox-a&rls=org.mozilla:en-US:official

19 million, six hundred thousand to be exact.

> This far I ended up with about 20 broken amps from ebay.
 
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