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Author Topic: Volume Q
Viper
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Member # 130

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I'm building a new box and amp rack within the next few weeks. I'll be running just one Punch 12 (RFP-1412). The box volume I playing around with would be 1.61 cubic feet after displacement.(that IS inside volume) Is that a good box size for this sub with about 150-200 watts running through it? I want really deep bass with smooth transition to my mid and highs. The box size i'm using now is just about 1 cubic feet and its too boomy and sloppy and is too noisy. Will this solve my problem? Thanks

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<Viper>


Posts: 84 | From: Hagerstown, IN USA | Registered: Jun 1999  | Report this post to a Moderator
tech man
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I don't understand, 1 cube should have
sounded pretty decent. 1.253 is RF
recomended sealed volume.
1.61 is very large for a sealed box, I would
think that sloppy boomy sound would be bad
with this box. Perhaps if you ported it?
Dukk???


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Posts: 926 | From: Sugarland, Tx | Registered: May 1999  | Report this post to a Moderator
Shedluv
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Actuallly, go ahead with the large box. I have a DVC 12 in 2 cu ft SEALED and it sounds very good, I had the same problem you did and going larger helped. Make sure you use plenty of polyfill. And if the big box is not to your liking, try porting it.

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Shedluv
No matter what it says, I'll always be just a junior.

"Eagles may soar, but weasels don't get sucked into jet engines."



Posts: 3174 | From: Larryville, KS | Registered: May 1999  | Report this post to a Moderator
ShadowStar
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I would have to disagree.. The DVC will work well in both large and small enclosures because of its very high excursion and relatively stiff suspension.

The punch that he is using does not have an excursion as high, and (I believe) has a less stiff suspension.

I have always preferred the sound of ANY punch subwoofer up to and including the late lamented AudioPhile series in a ported box.

Dukk.. Agreements or disagreements, or portmaster? A 1.5 to 1.75 cubic foot box, ported.

ShadowStar

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Posts: 2579 | From: Somewhere In the Northeast | Registered: May 1999  | Report this post to a Moderator
LoRanger
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Quite a few of my friends are running those woofs (well XLC's but, close enough) and they seem to be doing quite well. There's a pair of 12"s in a '98 S-10 in a 3 cu. ft. sealed box of a 225.2 doing 140 db, a pair in a '91 Mustang HB in a 2.5 cu. ft. sealed off my old MTX 2160 doing 141 db and my girlfriends CRX with four in a 5 cu. ft. sealed box off a 400.4 doing around 141 db. You should also remember that it is also only ONE 12". Try the recommended 1.25 cu. ft. if you're going to go with a sealed box but, IMO Rockford's subs aren't the ultimate SQ subs as some people think their nature is to be a little boomy which also makes them more popular for boomers and db draggers.

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Posts: 354 | From: Qualicum Beach, BC Canada | Registered: May 1999  | Report this post to a Moderator
Dukk
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I would vent at that size. Try a 4x15" vent (shooting from the hip again!).

Oh, LoRanger, when you guys gonna step up and vent those boxes?? I guess you don't need the free 2-4 dB eh???

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Lord Dukk
The Big Show
The Dukk says: Know your bass: PORT your damn box!!
Have HoleSaw, Will Travel!



Posts: 3690 | From: Abbotsford, BC, Canada | Registered: Mar 2000  | Report this post to a Moderator
LoRanger
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Dukk that's an idea. Would I be able to port the 3 cube box?

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Real show trucks are built, not bought!

Got juice?


Posts: 354 | From: Qualicum Beach, BC Canada | Registered: May 1999  | Report this post to a Moderator
Dukk
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Yes, I will have #s tomorrow, and a better port spec for Viper as well....

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Lord Dukk
The Big Show
The Dukk says: Know your bass: PORT your damn box!!
Have HoleSaw, Will Travel!



Posts: 3690 | From: Abbotsford, BC, Canada | Registered: Mar 2000  | Report this post to a Moderator
   

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