Aug 21, 2007 · Well a while back i made these diagrams as i was speaking to someone (PowerNAudio, probably one of the nicest guys ive ever spoken with) who was teaching me how to measure the port length correctly, so you know what length to put into the tuning equation to get the correct tuning frequency for your port. Port Length Calculator - mobileinformationlabs.com Port Length Calculator. If you are using a slotted port, select square under port type, then answer yes under are you using a slotted port. Then under square vent, type in the height and width of the port you wish to use. Then hit calculate. PORT Size Calculations and Formulas for WOOFER and Next, you enter either an inside diameter for the tube you are using if you want a circular port, or the inside dimensions of the square port you are going to build into your box (make sure you click the "Slot Port" button if you are designing a slot port - if you don't understand the difference between a square vent and a slot vent, click here
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PORT Size Calculations and Formulas for WOOFER ... - Car Stereo Next, you enter either an inside diameter for the tube you are using if you want a circular port, or the inside dimensions of the square port you are going to build into your box (make sure you click the "Slot Port" button if you are designing a slot port - if you don't understand the difference between a square vent and a slot vent, click here ... Slot port with right angle bend, length? - the12volt.com Slot port with right angle bend, length? - I am building a slot ported box for a Kicker CVR12. I would like to have the slot port come up the back of the box and then make a right angle bend and exit out the front.
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Calculating Port Size | Depth and Port Area Formulas Mar 15, 2016 · How To Make A Slot Port. The port area is in square inches, meaning it takes height times width to calculate total area. A port 4 inches high by 4 inches wide would calculate as 4 X 4= 16 square inches. In our example box, we have an inside height of 14.5 inches. To calculate the slot width that would make a total area of 54.5 square inches,... How do you measure the length of a slot port - ecoustics.com sorry for this newbie question. the port is going to be shaped like an L, now would the length be both slot walls added together, or just the wall that is running along the back of the box? i already know the box dimensions and port height, width, and length. any help would be appreciated. sorry if this is confusing, i don't really know any terminology. Slot port measuring question - Techtalk Speaker Building Oct 11, 2011 · Re: Slot port measuring question Your diagram is right for length, but you also need to control width, height and end effects. Where does the 1.5x9x18 come from? The w/h ratio is good, but using a box wall as part of the mouth increases effective length by 1/2 the short dimension.
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See less. Slot port measuring question. Collapse. X.Re: Slot port measuring question. That's what I'm thinking, unless the box is deep enough for the port to fit without branching.Is the red line how I measure the port? From my tests with tapped horns, which can have multiple bends when... Calculate port length w/ bend | Audioholics Home Theater… How is a port tube's length calculated if you need to put a 90 degree bend in it to keep it all in the box?Calculate port length w/ bend. Hide sidebar Show sidebar.One must measure from the center of the port. Don't forget your end correction factor. Enclosure Ports – JL Audio Help Center - Search Articles Slot / Duct Ports Ducts are often used when a particular alignment calls for an outrageously long port to be squeezed in a very tiny enclosure due to a very low tuning.Below is a perspective view of a typical duct port along with a few helpful tips on how to get the best results from your duct. How do you convert circular port info into slot port… "If you want to use square ports, use a port who's height multiplied by its width equals the ' port area' on the calculator.
Measure the port length down the center of the passage. How To Make A Slot Port. The easiest, most effective way to build a port is to use a slot-shaped port. A slot port uses 3 sides of your enclosure as port walls. If the port is located at one end of the box, only one additional piece of wood is required to complete the port. The additional internal wall will have a space equal to the width of the port between its end and the back wall of the box. The port area is in square inches ...
To calculate the port length of a slot port, enter the width and height of the port, the box volume (Vb) in cubic feet, and the desired tuning frequency (Fb). Port Width. Port Height. Box Volume (Vb) Port Length Calculator - mobileinformationlabs.com Port Length Calculator. If you are using a slotted port, select square under port type, then answer yes under are you using a slotted port. Then under square vent, type in the height and width of the port you wish to use. Then hit calculate. Calculate port length w/ bend | Audioholics Home Theater ... Moderator. One must measure from the center of the port. Scroll down part way and it explains how to measure length. Click to expand... Annunaki that was the single most succinct, single page read of port design mechanics. AND I learned about port friction. I will now have to mess with slot design. Enclosure Ports – JL Audio Help Center - Search Articles Port Basics When tuning a ported enclosure, there are two widely used methods implemented. These two methods involve the use of a port, generally made from a simple piece of PVC pipe, or a duct (sometimes called a slot port), which is normally constructed out of the same material the box is made of (normally wood).
To calculate the port length of a slot port, enter the width and height of the port, the box volume (Vb) in cubic feet, and the desired tuning frequency (Fb). Port Width. Port Height. Box Volume (Vb) 8 Basic Diagrams On How To Measure Port Length Aug 21, 2007 · Well a while back i made these diagrams as i was speaking to someone (PowerNAudio, probably one of the nicest guys ive ever spoken with) who was teaching me how to measure the port length correctly, so you know what length to put into the tuning equation to get the correct tuning frequency for your port.