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Precision Port 3" Flared Speaker Cabinet Port Tube Kit

Brand:| Model: PSP3-BKHT
Overview
The unique flared-end construction of the Precision Portâ„¢ 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.
Part # 
268-350
Weight: 1.28 lbs.  
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List Price$17.99
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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
    (38 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.

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Reviews

Precision Port 3" Flared Speaker Cabinet Port Tube Kit
Precision Port 3" Flared Speaker Cabinet Port Tube Kit is rated 4.5 out of 5 by 38.
Rated 4 out of 5 by from Easy to assemble, looks great in finished productI used 2 of these with a 12" Dayton Ultimax subwooder in a 4 cu ft ported box, tuned to 20hz.Perfect for my living room 5.1 set-up!
Date published: 2014-03-19
Rated 4 out of 5 by from NO- REPEAT, NO CUSTOMER SERVICEI BUILT 4- 2.25 CU/FT. BOXES ACCORDING TO PLANS FROM EMINENCE. THE PLAN IS FOR A SINGLE LAB 12. PRECISION PORTS ARE SUPPOSED TO IMPROVE PERFORMANCE AND A 3"PORT REQUIRES A SHORTER LENGTH SO I THOUGHT THEY WOULD BE WORTH TRYING. I HAD A QUESTION AND CALLED PRECISION PORTS TWICE AND NEVER RECEIVED A RESPONSE. THEY GAVE NO REPLY TO EMAIL EITHER. PARTS EXPRESS WAS THERE TO HELP AND THE PROJECT IS COMPLETE. THE BOXES SOUND VERY GOOD BUT I DIDN'T BUILD ONE WITH STANDARD PORTS TO COMPARE IT TO. I UNDERSTAND THAT PRECISION PORTS IS A SMALL COMPANY AND MAY NOT HAVE THE RESOURCES TO OFFER HELP, BUT IT WOULD BE NICE IF THEY POSTED Q & A PAGES FOR THE SAKE OF THEIR CUSTOMERS. IT MAY NOT BE COST EFFECTIVE BUT THE PORTS WOULD BE EASIER TO WORK WITH IF THEY WERE DESIGNED WITH HUBS RATHER THAN THE COUPLER TO MAKE GLUING SIMPLER. OVERALL, PRECISION PORTS LOOK NICE AND SEEM TO WORK WELL.
Date published: 2013-11-07
Rated 4 out of 5 by from THE simplest solution to a growing "problem."Stiff heavy speaker cones (lower Vas, lower Fs), more motor strength (low Qes), and more displacement (Xmax). All great attributes for a low distortion driver with good flexible bandwidth options down low in compact boxes, until we try to use the traditional reflex enclosure and find that there is is no way to achieve the tuning desired with quiet operation with a traditional "pipe" or "slot" in the compact box.A flared port like this solves a lot of headache and is the simplest solution to solving the port noise and compression problem in modern designs.For the money these are a great product, however I think they could easily be getting a few more bucks for these if they included a thicker mounting flange with recessed pockets for fasteners and a pre-installed gasket. The nicer spring terminals sold here at PE are a good example of what I would like to see as far as flange improvements on these ports.
Date published: 2013-09-05
Rated 4 out of 5 by from Good productI was repairing my old subwoofer and precision port was easy to install. I assume that it is also durable and of great quality.
Date published: 2013-09-04
Rated 4 out of 5 by from good itemThe hole needed is very large, so don't think you're only going to make a 3" hole in your cabinet.I'm using it in a 1.13 cuft cabinet. 10" driver. I get zero port noise.I'd like it to be longer though. I have it tuned to 30hz, but I wanted it to be tuned to 28. Maybe someday I'll had 3 inches to get the low end even deeper.
Date published: 2013-01-20
Rated 5 out of 5 by from Works greatJust as the title says they work as intended. I'm running two sa 12s in a sedan and am hitting high 130s would recommend these to anyone looks for good clean sound.
Date published: 2014-03-20

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

Can the tube be cut down to 3inches?

Asked by: Birddog
According to the product details, yes you can cut the tube down. Because you glue the end cones on the tube when assembling this kit.
Answered by: Star Ryder
Date published: 2011-09-25

the tool on the company website said I need a length of 8.5"so do I cut the tube to 2.5" because the flares are 3" each total 6" or cut it to3.5"

because they say the flares have 2.5" usable length?
Asked by: dynajoe
if they say the flares count as 2.5" of tube each, then yes I would say cut the tube to 3.5" with 2 flares for your total of 8.5" required. I didnt realize the flares should be calculated as part of the tube length however.
Answered by: C from Claypool
Date published: 2012-01-19

Is this worth the extra $10 over the other 3" flared port?

I am tuning a very cheap sub to 25 Hz. I'd need a 3"x8" flared port to do that. I can get the measurement exact with this port since it's adjustable, but if I use the one that's only $3 I could tune it to about 23 Hz instead (it's ~11" long). I wouldn't really hear a difference would I?
Asked by: anuj1450
THEY WILL PRODUCE LESS PORT WHISTLE AT THE LOW END YOU NEED... STOP SOME SECONDARY NOISES WHEN THE CABINETS BOTTOM OUT ON A NOTE,,OR BUILD 2 PORTS FROM 3 IN PVC....YOUR CALL
Answered by: digitalhaven 53
Date published: 2012-08-01

2- 3" opposed to 1- 4" ok?

The flange is so huge on the 4" ports, can I use 2 3" ports instead? I'm guessing that because the 2 will be sharing the work that I shouldn't run into port noise this way either. I can accommodate the length differences and have used a port calculator to get the equivalent lengths in the 3" version so I'm fine there, just wondering if this is all fine and dandy to do?thanks in advance... :)
Asked by: Scott for 18
Yes, two 3" ports would work just fine. The cross sectional area is very close between two 3" ports and a single 4", with the two 3" ports having just a bit more.
Answered by: mtg90
Date published: 2014-02-06

13.5" length port in a 14"x14"x14" cabinet?

it will end up being like 1/2 an inch away from the wall of the cabinet. is this okay?
Asked by: Dave B
At a 1/2" away it is likely the port will act as if it was 1-2" longer due to the extra length from being confined between the flare and wall. I would back it up 1" so there is 1-1/2" of clearance. Even at that distance the close proximity of the inside flare to the cabinet wall will act as extra port length therefore the tuning will be similar to one that is 13.5" in length with ample clearance.
Answered by: mtg90
Date published: 2014-02-06

port on bottom of cabinet facing the ground?

the floorstanding DIY cabinet im trying to port needs a 12.75 inch long port that is 3 inches in diameter. this fits the bill nicely, but the cabinet is only 9 by 9, so i cant do that without an elbow which would raise the cost by a lot. it is 40 inches tall, so i figured i could put the port on the bottom facing the floor. is that ok? any suggestions?
Asked by: Dave B
There is no problem with this as long as there is 3" of clearance or more on the bottom of the cabinet.
Answered by: MattP
Date published: 2014-02-06

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