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6 1/2 or 6 3/4 woofer

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=30357
Printed Date: July 12, 2025 at 4:31 AM


Topic: 6 1/2 or 6 3/4 woofer

Posted By: figi
Subject: 6 1/2 or 6 3/4 woofer
Date Posted: April 14, 2004 at 2:00 PM

Does any one has experienced using small woofers like 6 1/2 or 6 3/4 ? If so what are a recommendation and either are they worth a money ? Should I even consider so small woofer or at least stick with 8" ?




Replies:

Posted By: DYohn
Date Posted: April 14, 2004 at 2:22 PM
What do you want to do with it?

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Posted By: figi
Date Posted: April 14, 2004 at 4:19 PM
I was seen in few car's usually it comes with factory system. In rear deck they have installes besides full range speakers , one woffer (free air). I got hole in my rear deck , factory cut out , so I am wonder if I could use it.
  regarding free air sub , doesnt really have to be, there is enough rorom to even hook up an eclosure.




Posted By: Sweekster
Date Posted: April 14, 2004 at 4:31 PM
I tried using a 6 1/2 one in my cargo van. I made a box for it and everything. It gave out pretty good mid range and when I raised the gain on the amp it put out ok midbass. I ended up going with a 10.   If you're looking for even somewhat decent bass you'll want to stick with an 8 or go with a 10.

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Duane...

If you think you're confused, imagine how you feel.   posted_image




Posted By: DYohn
Date Posted: April 14, 2004 at 4:54 PM
I was asking if you want it as a subwoofer or as a woofer.  There are some GREAT 6" to 7" woofers, and if you are looking for bass reinforcement in the 60Hz to 250Hz range there are many good choices.  I've even found a few 6-1/2" subwoofers that put out a significant amout of bass for their size and installed them into small cars like MR2's.  A really good solution for a rear deck free-air installation is a 6X9" sub that is built by Onkyo.  Madisound also make one similar to this.  Impressive output that rivals a 10".  But NO small driver can compete in the real subsonic frequencies with large cone area like a 12" or larger speaker.  So like I asked originally, what is your intent?

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Posted By: figi
Date Posted: April 14, 2004 at 6:12 PM

I am sorry for misunderstanding your question. As far as I know subwoofers are bigger and more powerfull , can handle more power and woofer are smaller . My goal is to improve frequency range at 50-120 but not taht much as I would have 12". I would like to use power approx. up to 100 watts Rms. 100 watts its definitely to low fo 10" , I guess even for 8" so thats way I am cosider such as 6" ot 7" speakers but I was checkin on the web couldnt find any. they all sells 8" or more , except like radioshack had 6 1/2 but I am not gonna buy that crap.

QUOTE : There are some GREAT 6" to 7" woofers, and if you are looking for bass reinforcement in the 60Hz to 250Hz range there are many good choices.  I've even found a few 6-1/2" subwoofers that put out a significant amout of bass for their size and installed them into small cars like MR2's. 

What are they ? Could you provide few brands, models  ??





Posted By: pureRF
Date Posted: April 14, 2004 at 6:21 PM
figi] wrote:

I was seen in few car's usually it comes with factory system. In rear deck they have installes besides full range speakers , one woffer (free air). I got hole in my rear deck , factory cut out , so I am wonder if I could use it.
  regarding free air sub , doesnt really have to be, there is enough rorom to even hook up an eclosure.
lol WHAT?

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dream it, build it, fiberglass it




Posted By: DYohn
Date Posted: April 14, 2004 at 10:23 PM

Good quality small woofers that are suitable for free air (infinate baffle) installation include:

Dynavox 6.5; Focal Polykevlar 6.5; Audax HP170M 6.5"; ScanSpeak 18W Kevlar 7"; Kicker RMB6.

The only difference between a "subwoofer" and a "woofer" by the way is a "subwoofer" is designed with free-air resonance below 40 Hz and a woofer is not.  Any woofer may be used as a subwoofer, although dedicated "subs" tend to be more efficient and produce higher SPL than standard woofers at the lower frequencies.  ANY speaker capable of reproducing the lowest frequencies of hearing (18 to 22 Hz) can be considered a "subwoofer."  Larger cones and longer excursion (larger Xmax) speakers can produce much more SPL at lower frequencies than can ones with smaller cones.



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Posted By: figi
Date Posted: April 15, 2004 at 8:08 AM

Thank you fro your help and explenantion.



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