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Precision Port 3" Flared Speaker Cabinet Port Tube Kit

Brand:|Model: PSP3-BKHT|Part # 268-350
The unique flared-end construction of the Precision Port™ system enables it to outperform any standard port tube on the market. Conventional tubes suffer from nasty turbulence at the entrance and exit of the port, producing unwanted noise and poor sound quality.
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Part # 268-350
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Product Details

Precision Port 3" Flared Speaker Cabinet Port Tube Kit

The unique flared-end construction of the Precision Port™ system enables it to outperform any standard port tube on the market. Conventional tubes suffer from nasty turbulence at the entrance and exit of the port, producing unwanted noise and poor sound quality. The Precision Port™ system overcomes these problems and as a result can actually produce a gain of up to 3 dB in output!

Now you can experience good looks, low distortion, and superior overall sound quality thanks to the Precision Port™ system. Convenient front screw holes make this tube easier to install than others on the market. Create a port up to 17" long, then glue with ABS glue found at any hardware store. Installation instructions included. Dimensions: • 6-1/4" outside flare outer diameter • 5-1/4" cutout • 5-3/16" inside flare outer diameter. Also available in 2", 4", and 6" diameters. Proudly Made in the USA!

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



Precision Port 3" Flared Speaker Cabinet Port Tube Kit
  • BrandPrecision Sound
  • ModelPSP3-BKHT
  • Part Number268-350
  • UPC844632046780
  • Product CategorySpeaker Port Tubes
  • Unit of MeasureEA
  • Product Rating
    (45 Reviews)
  • Weight1.28 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.

View similar products to the Precision Port 3" Flared Speaker Cabinet Port Tube Kit
in the Speaker Port Tubes product category.

Reviews

Precision Port 3" Flared Speaker Cabinet Port Tube Kit
Precision Port 3" Flared Speaker Cabinet Port Tube Kit is rated 4.5333 out of 5 by 45.
Rated 5 out of 5 by from Easy to install, but plan your fitmentI bought four sets and installed two over the weekend. The tube in the kit is about 12 inches long, so plenty of length to tune your sub/box. The length for my boxes were short enough that I was able to cut both out of one tube. Note that the inside flair is about 5 1/4 inch outside diameter and the outside flair, with mounting flange, is about 6 3/16 inches. The directions say to mount the port tube away from the box side/bottom/top by one tube diameter if possible. I went with 1.59 cubic feet of volume in my 12 inch Focal subs, so there was no way to get that kind of distance from the box or the sub. I mounted the port as close to the edges of the box that the outer flange would let me and only had about 1/4 inch clearance between the inside flair and the magnet on the sub. But, once glued solidly together and mounted firmly to the box, the ports are fairly rigid, so no issues with the port hitting anything, even under heavy bass hits.The other issue to be aware of is the letting in of the outer flair into your box. It would be great if the manufacturer, or Parts Express, could publish the radius of the flair so you know how much of a round-over to use on the hole you cut in the box to mount the port through. I am guessing that the radius is somewhere between 1 inch and 1 1/4 inch, which means that the inside face of your box (assuming you are using 3/4" MDF or similar) is still in the radius of the flair. I used the 3 inch ports, which have an outside diameter of 3 1/8 inch at the straight part of the tube. However, 3/4 inch back from the mount side of the flange, the diameter is about 3 3/8 inches. I cut a 3 3/4 inch hole and used a 1/2" round-over bit in my router to radius the edge. 1/2" was the largest I had and was not nearly enough. I then followed with a 1/2" chamfer bit to take off a little more material, but then had to do some judicious filing to broaden the radius and a lot of trial and error fitting to get the flange to sit flat on the face of the box. If I had it all to do over again, I would have used a double thickness of 3/4" MDF on the back of my box (the surface I mounted the port in) and bought a 1 1/4" or 1 1/2" round-over bit to make this process easier and quicker.In the end, they work great, look great, and I get zero air noise when the subs are working hard. Great product.
Date published: 2016-01-26
Rated 5 out of 5 by from Fantastic productI bought this about two weeks ago, shipped and processed right away. Excellent quality! Definitely the place to get your audio needs
Date published: 2015-03-13
Rated 5 out of 5 by from Precision portsI been using precision ports in all my custom ported enclosures. I love the way the total box dimensions stay small unlike Slot porting. And plus they are just sexy when installed properly
Date published: 2015-02-25
Rated 5 out of 5 by from Knock out!This port is worth every penny. Easy to install, clear instructions, improved sound over your "regular" port.
Date published: 2015-02-05
Rated 3 out of 5 by from Almost Perfect, but not very classy looking.I am designing and constructing a beautiful pair of home speaker towers. This port system seemed to fit the bill so I ordered two sets. They are just fine; Good quality material etc. However, the 1/2" flange for the outside port piece is textured to look like an old guitar amp or something with a textured vinyl covering. I decided to adapt and use the inside flare which is only nice polished black plastic. The flair is identical. It just doesn't have the ugly additional flange for mounting purposes. I have now decide to down-fire the port and it will not be seen at all. Precision Ports has very few products. Perhaps they will develop some that you would want to see outside the practice-room in the future.
Date published: 2015-01-01
Rated 5 out of 5 by from Great PurchaseQuality of the port was solid. Instructions included on how to calculate port length for box tuning were clear and concise (to me). So glad I made the decision to go ported with my W10GTI...it really opened up the sub and made things so much louder! For anyone wondering, I got the 3-inch port and box was 1.8ft^3 and tuned to 28Hz and Sounds great! could not be happier. Shipping was a bit steep to Canada (cost more than the part itself)
Date published: 2014-09-25
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Product Q&A

Get your questions answered from other customers
who own this product or have experience with it.
If your question requires design or troubleshooting information,
please email tech@parts-expresss.com  for a prompt reply.
Precision Port 3" Flared Speaker Cabinet Port Tube Kit

Is it possible to order the 3" presison port at 19" I'd need 7 of them. 

Asked by: jj69
Unfortunately these are only available at 17" lengths but you can buy additional tubes and connecting rings to extend the length for your application.
Answered by: MattP
Date published: 2015-12-08

I require a port length of 5", can i acheive this with this port? .

Asked by: cjlfd
Yes, but for a 5" length all you really have to do is couple the ports together since they each account for about 2.5" of straight port length.
Answered by: MattP
Date published: 2015-09-25

I will be building a 4th order box for the RSS265HF-4 and the internal dims are: 16" X 12" X 5.75" for the vented side. The port needed for my alignment is 3" X 12.22 (but I plan to test up to 14" lengths) will this product work for me?

Asked by: swrocket
Yes this will work fine for that application.
Answered by: MattP
Date published: 2015-06-03

Just bought two of these 3'  KITS What are the dimensions of the flange mount. outside  as we are flush mounting the tubes, and also the  outside Dia of the tube ? Thanks Bob

Asked by: divco13
The flare OD is 6-3/16", flare thickness is 3/16". OD of tube is 3-1/8".
Answered by: MattP
Date published: 2015-05-20

I am building a10inch sub boxe with separate chambers. Does the Precision Port 3" Flared Speaker Cabinet Port Tube Kit come with 2 flares or do I need to buy 2? My sub requires a 3 in diameter tube and 8 in length per sub. 

Asked by: Gotsta B Rad
the kit has 2 flares.
Answered by: massacre77
Date published: 2015-04-12

I am building a tower with 2 8" woofers, internal volume is 2.276 Ft³. I need a 12.23" x 3" port for 25 Hz. Is it the same to face the port to the front or the rear of the cabinet? Should I consider adjustments to compensate for possible phase problems?

Asked by: Jaime Diaz
Port placement will not matter as long as you allow for proper airflow around the port openings.
Answered by: MattP
Date published: 2015-01-12
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