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How to build a slot port subwoofer box

A step-by-step guide to building a speaker cabinet or subwoofer box for your Kicker speakers. Build your own box and enjoy the legendary Kicker sound! Subwoofer box design online software. Subwoofer box calculator online. The calculation of sealed, bass-reflex, bandpass boxes by Thiele-Small parameters. Easy and convenient build your box. 30/01/ · As for slot ports being better that round ports that is debatable too. When putting the right size round port(s) in a box you will not have much port velocity. You can still get plent of port velocity out of a slot port too. My last box i had a slot port and the new box i have 2 - 4" round ports. Both work great.

A Folded Horn Enclosure To Make The Most Out Of A Subwoofer

This is awesome. As you can see, there are a lot of wood parts that went into the cabinet. Vented Designer should give a good approximation of box parameters for most applications. This is not something new, I have seen many folded designs to increase speaker performance. Airtight joints are a huge part of enclosure design, a small air leak can change the tuning of the cabinet. Drivers greater than 10" in diameter can produce port noise due to the air movement.

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MAW-10 PORTED SUBWOOFER

Subwoofer Main. Instructions: Bandpass Sealed Vented Example. AJ Vented Designer Software is for designing vented or ported theoretical enclosures. The following Theile Small speaker parameters are required for input. These values should be included with your speaker manual or can be found on the manufacturer's web site. Qts: Total Q of the speaker Qes: Speaker electrical Q Fs: Free air resonance of speaker in Hz Vas: Volume of air equal to the speakers spring characteristics in liters Pmax: Maximum power of the driver in watts Diameter: The diameter of the driver in cm Xmax: The amount of cone movement in one direction in mm Dp: Diameter of the port s in cm Ports: Number of ports.

The following speaker parameters are user defined inputs. These values should be chosen by user preference. Vas is in liters not cubic feet. Pmax, Diameter, and Xmax are not required for box calculation. They are used to determine the power response curve. Ported designs require tuning. Vented Designer should give a good approximation of box parameters for most applications.

Use the largest diameter port as the design allows. Drivers greater than 10" in diameter can produce port noise due to the air movement. The following speaker box and enclosure parameters are calculated: Vb - Volume of box one to be built in liters Fb - Box resonance in Hz F3 - Half power frequency in Hz Lp - Length of port in cm. Notes: F3 is the most important parameter. The lower the F3 the lower the bass. A F3 below 50 Hz should be suitable. Vb is the volume of the box.

Generally, the lower the bass the bigger the box. For Box Calculator instructions go here.

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Details

To make the most out of his home theater sound system [Baccula] built this folded horn enclosure for as much bass sound as possible. The design was conceived by [Bill Fitzmaurice] who thought there needed to be a better way to use the subwoofers which are typically used in home systems. As you can see, there are a lot of wood parts that went into the cabinet.

From there the plywood sawdust really starts to fly as each component is produced. All together the new piece of living room furniture stands three feet tall and deep and two feet wide.

This is not something new, I have seen many folded designs to increase speaker performance. Next you going to tell me he invented the wheel?

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Why do so many people post this? I get that people come here to see different things, but what on earth makes them think their particular preference is the specific purpose of the site? The hack would be: reverse engineering the tuba ht from pictures. Surprised he used plywood as we all know MDF has better acoustical properties such as sound absorption and isolation.

It is most likely baltic birch plywood, it has good acoustic properties, is more durable, and lighter than MDF. Old thread is old, but MDF is only really better at higher frequencies. Imagine building something the size of this subwoofer out of MDF.

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Sight dovetail slot blanks

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These magnificent front sights are the number one choice of precision shooters and serious hunters. Choose a gold, ivory or fiber optic bead. Orange or Green. Measure the diameter of the barrel at the point of the rear sight is going to be installed and at the point of the front sight going to be installed example: 1.

Divide the diameters by 2 example: 1. Check the rear sight height adjustment chart. Total adjustments is. Add the. Subtract the front sight center line figure from the rear sight height example:. You need a combination of front ramp and front sight with the height of. Ramps are measured from the base to the bottom of the dovetails. Front sights are measured from the bottom of the dovetail to the top of the bead.

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Or you could go with a front sight height of. Contour Front Sights. Some guns will have to have a new mount hole drilled and tapped. The brilliantly glowing fiber optic cables are installed and permanently flared to the sight.

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Both ends of the optic cable are carefully polished to enhance light transmission and are uniquely protected from UV damage due to long term exposure to sunlight. Each one is precision CNC machined from solid steel to our exact standards. These fine sights are machined, polished, and blued to match your gun. Give yourself the extra height needed to match up your front sight with your rear sight along with maintaining the contour of your barrel. The ramp screws securely to your barrel with one screw that is provided.

Remove front sight and measure overall height, preferable with a micrometer. This might be. This would mean a new, higher front sight with an overall height of. Sighting in should be done with a bench rest or prone with a sand bag or other rest for the rifle.

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