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Precision Port Dimpled 4" Flared Port Tube Kit

Brand:| Model: PSP4-DBKHT
Overview
For clean, undistorted bass output without the chuffing caused by standard ports, choose Precision Sound Products' dimpled 4" Precision Portâ„¢!
Highlights
  • Dimpled flares reduce vent air velocity even more than standard flares
  • Complete kit creates a 4" port tube that is up to 18" long
  • Virtually eliminates port chuffing for cleaner bass output
Part # 
268-353
Weight: 1.84 lbs.  
OUT OF STOCK
Due In: 5/16/2014
List Price$24.99
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Your Price
$19.97
Buy 4-up$17.38
Part # 268-353
Qty:  EA
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Product Details

Precision Port Dimpled 4" Flared Port Tube Kit

The 4" dimpled Precision Port™ from Precision Sound Products reduces port turbulence in woofer and subwoofer bass reflex enclosures to unprecedented levels when compared to standard and flared port tubes, as well as slotted ports and vents.

Optimal air flow in a ported or vented enclosure allows for cleaner bass and higher realized output without the chuffing normally associated with run-of-the-mill ports—especially useful when used in high SPL applications.

Precision Sound Products uses high quality ABS construction for each Precision Port, while their injection and extruded molding processes allow for tight, consistent tolerances for proper fit. Create a port up to 18" long, then glue with ABS glue found at any hardware store. I Designed in the U.S.A!

To calculate the proper port length for your cabinet and tuning, use Precision Sound Products' Port Length Calculator.

Kit includes:
• (1) Outside flare: 7-1/2" outside diameter, 6-1/2" cutout, 3" deep (2-1/2" usable depth)
• (1) Inside flare: 6-3/4" outside diameter, 3" deep (2-1/2" usable depth)
• (1) Tube: 4-1/4" outside diameter, 4" inside diameter, 12" long 
• (2) Connecting rings: 4-1/2" outside diameter, 4-1/4" inside diameter, 1" deep



Precision Port Dimpled 4" Flared Port Tube Kit
  • BrandPrecision Sound
  • ModelPSP4-DBKHT
  • Part Number268-353
  • UPC848864000442
  • Product CategorySpeaker Port Tubes
  • Unit of MeasureEA
  • Product Rating
    (3 Reviews)
  • Weight1.84 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

Precision Port Dimpled 4" Flared Port Tube Kit
Precision Port Dimpled 4" Flared Port Tube Kit is rated 4.0 out of 5 by 3.
Rated 3 out of 5 by from 2+2 doesn't always = 4The cut-out dimension given is 1/8" too big...outside is 7 1/2" the lip is 1/2..should equal a 6 1/2 " cut-out but I used a jasper jig to make the 6 1/2" hole and it was too big...i subtracted an 1/8" for 6 3/8" on my next hole and it fit snug...just for your info..
Date published: 2013-09-02
Rated 4 out of 5 by from precision ports for the winI bought 2 of these ports to use with my Dayton classic 18 in a box a friend and I made that is 6 cubes before displacement.We gorilla taped the stock length ports together and screwed them into the box.The box went into the trunk of my friend's Mercedes sel so we could begin breaking int he sub.Even though the sub isn't broken in and the box is tuned pretty low it's already louder than the last setup in that car which was 2 12s on at least twice the power.The bass is clean and undisIstorted.When the sub is broken in we''ll turn up the operand make the ports external and lop at least 4 inches off them, at which point the sub should Wang and be pretty musical.I love the performance and ease of use these ports offer.
Date published: 2013-02-27
Rated 5 out of 5 by from great to use for portsI used 2 of these in a ~6 cubic foot box with 1 18" sub and they worked much better than 2 4"x12" PVC pipes.. Yes the tuning is a little different but they worked so much better that I bought another 2 to replace the PVC pipes I used in the initial build (have 2 18" subs total). I haven't used the non-dimpled ones to compare so I'm not sure how much more they add to the overall performance. I used PVC cement to glue them together.. I could have done a better job there as a bit of the glue leaked out. The port noise was reduced dramatically and they actually just look 10x better than my knock-off PVC ports.. I think they are just a little overpriced currently at 20 bucks each (4 stars for value). Course a 24" PVC pipe at lowes is 14 bucks..Pattern is supplied for cutout and worked..Overall I liked them a lot and will use for future products.
Date published: 2013-02-02

Product Q&A

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Precision Port Dimpled 4" Flared Port Tube Kit

Enough for a length of 17"?

I need a length of 17" for my subwoofer port.So is it measure from the outer to inner port flange+tube total length?So if that case is this kit enough for my setup?
Asked by: woodknight
These are 17" total from flare end to flare end, so the actual useable tube length is closer to 14-1/2". This will raise tuning frequency if a 17" tube is required but only by two or three Hz.
Answered by: MattP
Date published: 2012-12-17

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