Round port vs slot port for spl

calculating port area with aero ports? - SPL & SQ ... That's really how more port area (such as in a slot port) helps you, by decreasing air velocity through the port. So if your port velocity is 13 m/s with a 100 sq. inch slot port and 13 m/s with 60 sq. inches of aero port, there should be no difference. Barefaced Bass - The mysteries of ports

Re: Port shape for a subwoofer cabinet I'd abandon the square/triangle/slot port idea in favor of a normal round port. It's cheap, easier to construct, and gives you more flexibility with placement. Keep in mind that the port does not need to be on the same baffle as the driver. Fs and Port Tuning - the12volt.com Fs and Port Tuning - Just doing a little design work here on a port and remembered something about the free air resonance of the sub (Fs) and how it relates to the Proper frequency one should tune their ports to. Let's say I have a 12 inch sub in a 2 cu. ft. enclosure and I want to tune it to 30 Hz the difference between a square port and a slot port in a Oct 28, 2008 · The difference between a square port and a slot port in a subwoofer box? I've done car audio for years and really there is just slotted ports and round ones. The slotted ports help you get a much better sound out of your subs though. Source(s): Andrew K ... Most SPL competitors use Aeros because thats basically the best port for efficiency. ... Amazon.com: 15 Inch - Subwoofer Boxes & Enclosures

Subwoofer enclosure slot port calculator, decibelcar audio online calculator

Got the PORTS IN - 30.5Hz tuned Pioneer SPL Subwoofers ... At last ive got some ports in this box! And I tell you what the result is amazing! I still cant help but think an L port or slot port would produce some better results, but im happy with it for ... Flares for Slot Ports - subwoofer-builder.com An SPL champion at talkaudio in the UK, recommends that the ratio of width to height for a slot port should not exceed 5:1. He also suggests that flares for slot ports can be done quite easily with an angle grinder and some sandpaper. There is a discussion comparing round ports vs slot ports at AVSForum where Mark Seaton suggests a 3:1 ratio Port Length Calculator - mobileinformationlabs.com Select whether you are using a round or slotted port for you box design.; Enter the number of ports you are using, the internal airspace of your box, then tuning frequency you wish to use, and then hit calculate button.; If you are using a slotted port, select square under port type, then answer yes under are you using a slotted port.

Best Answer: aero ports, if flared, can be more efficient and have less turbulence so you can usually get away with less port area. determining port area is based off of the subs stats and the power that you will be using, but a general rule for aeros for 1 15 inch sub is 1 6 inch aero port. usually people have also gotten up to 3 db louder with an aero port as well, but that doesnt mean you ...

Aero-Port box vs Slot Port box? - Subwoofers / Enclosures ... whats going on guys. ive been saving up for a while and finally have enough for an aq1200 and 2 obsidian 12s. now i just need to build myself a box.i was looking around and a lot of people build a lot of aero-port boxes.. do they sound better? they seem a lot easier to build than the slot port. i... Port Flares - subwoofer builder

At last ive got some ports in this box! And I tell you what the result is amazing! I still cant help but think an L port or slot port would produce some better results, but im happy with it for ...

At last ive got some ports in this box! And I tell you what the result is amazing! I still cant help but think an L port or slot port would produce some better results, but im happy with it for ... Flares for Slot Ports - subwoofer-builder.com An SPL champion at talkaudio in the UK, recommends that the ratio of width to height for a slot port should not exceed 5:1. He also suggests that flares for slot ports can be done quite easily with an angle grinder and some sandpaper. There is a discussion comparing round ports vs slot ports at AVSForum where Mark Seaton suggests a 3:1 ratio Slot Port - different ratio's with same area ,,different ... Very high aspect ratio (non-square) ports do behave as though they have less effective area than a more square port. I've seen and measured some approximate rules of thumb, but there are multiple variables at play where a slot terminating along a side wall vs. blunt end can have a few inch difference on effective length depending on the design. Tutorial: Enclosure Ports - JL Audio

Sealed or Ported Subwoofer Enclosures - Which is Better

Dec 17, 2010 · Sub Enclosure Port Help... Posted by InfiniteGSX, Dec 16 It wont be visible. It will be under the floor face. I was thinking a round port with and internal and external velocity stack. To eliminate air movement noise. But its easier to make a rectangular port, bose style. ... As to the choice of what kind of port, Slot ports can be made ... Phoenix Gold Phorum • View topic - Flared round vs Slotted May 29, 2012 · I've made two designs: a 1.75cu (per sub) slotted with a 2x12" openening tuned at 30hz and a 1.75cu with a 4"(ID) flared round port tuned at 30hz. What are pro's and cons? Seems like building the round ported box would be a little less work, but cost a little more to buy the ports. Any opinion on how i should proceed? _____ Ported woofer box - mobileinformationlabs.com Ported woofer box . How to build and design a ported woofer box . Ported or "Tuned Ported" box. Ported enclosures use a tuned port or vent to increase output at lower frequencies. Air inside the port acts like a piston or motor that moves in phase with the woofer, reinforcing the frequencies response. BackBum Buster Sub - The Klipsch Audio Community

Tutorial: Ported Enclosure Characteristics - JL Audio