Area of a Circle = r2 x 3.14 The radius of our circle is 1" (half of the diameter). What is 1728 and where did that come from? Too much power at lower frequencies can damage the speaker’s suspension components (surround, spider, tinsel leads, or voice coil former). 1 liter = 0.0353 cubic feet We currently havel .79 cu. They can reproduce low bass response that is very smooth and natural sounding. **Port Volume Excluded. Discuss: KICKER CompS 10 2 Ohm - subwoofer - for car Sign in to comment. Large ports sound better but take up more airspace and your enclosure’s total volume increases making the box larger overall. Call us on: 0 800 805 002. (Use internal dimensions!) $149.95 Kicker 10-Inch … Screws or staples should be placed approximately every 4" (10cm). ft. to the first figure: Product information Product Dimensions 4.29 x 4.29 x 9.45 inches Item Weight 12.63 pounds ASIN B01BKT8T4I Item model number 43CWR102 Customer Reviews: 4.3 out of 5 stars 22 ratings. When adding braces to an enclosure always add the displacement of the extra wood to the gross box volume as it is designed. ), This will cause drivers in an open chamber to react differently, substantially reducing output and power handling. This type of enclosure is no longer very popular because of the woofer technology that we currently use. It can be as simple as a board or mounting surface (called a “baffle”). Dividers are a very important part of box building because they create strength in the box and provide an airtight seal between the speakers. Place the brace slightly off center for maximum rigidity. The area of a circle is the radius squared multiplied by "pi" or 3.14". ft. per driver. When calculating an enclosure's volume, you will work with EXTERNAL and INTERNAL dimensions. All we do is multiply the dimensions together (1" x 1" x 20" = 20 cu. Here are some of the key points you will need to consider: Once you have determined the above conditions, you will then be able to make a choice that will get the best bass response. One of the chambers is vented to the outside environment. This type of enclosure (fig. B) is a little more difficult to work with than just an angled enclosure, but we'll help you through. 6103.13 71728 = 3.53 cu. The formula for figuring volume is pretty simple. The smaller sealed enclosure will give you a little more output, or “bump” as it is called, before it rolls off but will start rolling off bass response at a higher frequency than a larger sealed enclosure. First we'll find the total cubic inches on our two known figures, just multiply them together. 4.6 (595 Reviews) 34 Answered Questions; Price Match Guarantee. Each one uses 12.5" cu. Since the speaker is completely enclosed inside the cabinet, they have much more group delay. 1 cubic foot = 1728 cubic inches First you'll need to know the port's dimensions. … With a small sealed enclosure, the bass will be very “tight” and controlled. in. ft. All Kicker subwoofer amplifiers either have a subsonic filter that is fixed at 25 Hz at 24 dB/octave or an adjustable subsonic filter that is variable from 10 – 80 Hz at 24 dB/octave. Its hooked up to a 500watt mono alpine amp. When you use ports, you there are a few things to remember. A perfectly centered cross brace can actually increase cabinet flex and resonance (at a higher, more audible frequency). Make sure the internal volume does not change! With proper tuning you will have incredible output from the enclosure with maximum protection of the speaker. 1 cubic inch = 0.00433 cubic feet, Volume (Cubic inches) = (Length) x (Width) x (Height), milli = 0.001 micro= 0.000001 kilo = 1000 Mega = 1,000,000. It can be tuned to specific frequencies which allow added output around the tuning frequency. This is called “unloading”. (refer to the manufacturer’s recommendations). If youre just starting out do some research and use ofc wire for your build. First, make the box into a rectangle like we did before by averaging the top and bottom width measurements: Instead of using the entire height dimension, deduct the height of the riser, 4" for this example. The last thing to consider is bandpass boxes will “mask” distortion making it harder to localize the subwoofer but with a tradeoff. Kicker's 44TCWC104 loaded enclosure places a 10" CompC sub behind a truck seat or anywhere space is tight. First, make the box into a rectangle like we did before by averaging the top and bottom width measurements: 5 + 13=18 18/2 = 9. Ported boxes have another set of challenges. If the port has too little area, the airspeed in the port will be higher and can cause “port noise” at high output levels. The formula itself looks pretty simple: Area x Length = Volume. The dual 10-inch subwoofer enclosure works best with 600 watts of power, and recommended for use with rap or music with rumble bass. 1) Size of Kicker 40CWR102: 10 Inch Subwoofer; Impedance: Dual Coil 2 ohm; RMS (continuous power): … in.) This item: Kicker 10-Inch CompC 2-Ohm Loaded Shallow Subwoofer Box Enclosure (Open Box) $149.95. Memorize it now, you'll be using it a lot! This will give a push/pull effect and will double the strength of the woofers allowing them work in very small space. This size box might work for a 12" driver or a 10" driver. This means that some frequencies are louder than others and will not accurately reproduce the music as it was recorded. The port opening must remain unobstructed. Yellow - small ported enclosure. MIN SEALED BOX VOL [cu. © document.write(new Date().getFullYear()), Stillwater Designs. 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