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Composing A Subwoofer Enclosure: Which One?
A Subwoofer enclosure not only acts as way of mounting subwoofers in your car, but is a fundamental way of preventing sound waves from the behind the driver interfering with the sound waves at the front. An enclosure will amplify the quality of sound and will enable the subwoofer to work at its highest capacity. There are a number of enclosures available, all with benefits and disadvantages.
When investing in a subwoofer, it's indubitably very important to buy or create an enclosure that accentuates the volume and quality of sound. Each enclosure type is effective to a certain extent, but you may have to sacrifice space in your car for a greater output.
The Infinitive Battle enclosure
The subwoofer is mounted on a piece of board or the rear deck, which then separates the front cone from the back. The main advantage of this enclosure is the fact it takes up very little space and is economically priced. On the other hand, this model requires a lot of power and sound reproduction is often not as accurate as it could be. Separation of the two cones can also be difficult; meaning you still may get interfering waves.
The Sealed Enclosure
The sealed enclosure is simplest of them all – a sealed box separates the front cone from the back, dealing with any interference problems. Its main advantage is size, as these can be made from big to small, and it is also ideally compact. The only problem is that it requires a great deal of power, and is also not as good as dealing with low bass than a vented enclosure.
The Ported or Vented Enclosure
Similar in design as the sealed enclosure, this design only adds a port, which is usually a PVC pipe tuned to a certain frequency determined by the two factors, area and length. By inserting this port, the rear wave from the back cone reinforces the front wave, in turn enabling greater power efficiency. Although, this design is a little complex and it needs more space than its simpler predecessors, it does provide a lower frequency extension – so that you adequately hear the lower frequencies in your music.
The Band Pass Enclosure
This system's main purpose is to boost efficiency over a miniscule series of frequencies. This enclosure dampens out mid-range to higher frequencies, making it perfect for drum ‘n' bass. This type of enclosure has a number of variations, known as orders, all of which have a different type and number of vents. Its main asset is its high efficiency and its ability to filter out higher frequencies, yet, frequency response is also decreased as well as the quality of reproduction.
An enclosure will let your subwoofer to work at its best, providing you either with intense volume or superior sound quality. When thinking about subwoofers and enclosures, it's important to consider how much space you have. There's no point buying a subwoofer that is too big for your car, and extending the amount of space used by using a large enclosure. If space is a problem, but you don't want to sacrifice volume, then have a look at much smaller squared subwoofers and combine these with the most appropriate enclosure.
Looking for Subwoofers or subwoofer enclosures? www.bassjunkies.com might be able to help you.
About the Author
Marie Coles is a professional writer. She writes press releases and articles for the West Midland based car audio company, Bass Junkies.
Where can i get a loaded sub enclosure with the amps with it?
I know nothing about amps and subs or cars and i want to get everything i'll need packaged together.. where can i buy this at for around $200-$300
in a jeep.. if that makes a difference
In your price range, you can’t go wrong with this. http://www.sonicelectronix.com/item_21675_MTX+TNP212D2+.html if you don’t have room for this, go with this one. http://www.sonicelectronix.com/item_20062_MTX+TNP112D.html really good equipment for the price.. any questions on hooking any thing up e-mail me..
Enclosure Sub
Building a Subwoofer Enclosure
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Sub $14.99 Sub |
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PEAVEY ELECTRONICS CORP. PRSUB 15 Inch 800W Pro Light Sub Enclosure $311.99 The lightweight inexpensive PRr Sub makes it ideal for augmenting the bass for live music DJ speech or other music applications. It is housed in a rugged injectionmolded enclosure w/a steel grille to provide driver protection a professional appearance. It utilizes a 15 inch heavyduty woofer w/a 2 3/8 inch voice coil 50 oz. magnet is rated at 400 watts program 800 watts peak. It is simple to use just connect your fullrange signal its internal crossover does the rest. The PRr Sub provides an easy solution to get the extra lowend you want out of your system at a price anyone can afford. It can be used on the floor on a stand or be flown via top bottom flying inserts. Connections are made via two 1/4 inch phone jacks in parallel to accommodate daisychaining. Add one to your system now. Subwoofer sound reinforcement enclosure 400/800 watts power handling One 15 inch premium 2.5 inch voice coil woofer Moldedin pole mount system Heavyduty metal grille Lightweight molded polypropylene enclosure Dimensions 22 W x 17.25 D x 29 H (Unpacked) 24.375 W x 19.375 D x 29.75 H (Packed) Weight 44 lbs. (Packed) 33.35 lbs. (Unpacked) |
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DB SUB 18 D $1649 DB SUB 18 D The dB Technologies SUB 18D is the first-choice bass bin for users seeking powerful punch and ultra low-end response. Fine-tuned to augment and amplify the high-power 18" woofer's audio performance, this custom-engineered band-pass enclosure outperforms conventional bass-reflex designs, achieving higher peak levels. A single SUB 18D, paired with, say, two Opera Live 402/405 cabinets, constitutes an extremely efficient and flexible satellite system for entertainers and DJs. Even a configuration as lean as this meets high expectations for bass response. Channels routed into the top panel make it easy to stack units and set up larger PA systems, for example, in combination with Flexsys F212 mid-/high-range units. The SUB 18D cabinet leaves small footprint that belies its high performance. And its low weight comes courtesy of the integrated ultra light digipro digital power amp - and it comes as a very pleasant surprise. Equipped with optional 100mm casters, the unit is easy to transport. Features: Frequency response: -10 dB: 28 Hz - x-over Frequency response: +-3 dB: 35 Hz - 120 Hz Max SPL: 134 dB Design/Woofer: Band-pass / 18" with a 4" voice coil Power supply: Switched-mode power supply with PFC Output Device: Class-D 1000 Watt/RMS Cooling: Convection, fan-free Limiter: RMS, thermal limiters X-over frequency: 90Hz/ 120 Hz switchable, 24 dB/Oct. Signal input: XLR female Signal link/high-pass: XLR male Input Sensitivity: Max. -3dBu Mains: PowerCon Input and Link Get Your DB SUB 18 D Today! |
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DB SUB 15 $1017 DB SUB 15 The new SUB 15 sets a new standard in ultra compact active subwoofers. The "friendly smile" in its front design will automatically find its way to the audiences' face, after listening to just a few beats. The heart of the SUB15 is the new high power 15"-woofer with 3" coil, designed and manufactured by dBTechnologies, made to give peak performance to this band pass enclosure. Massive power is guaranteed by the new, processor controlled Class H amplifier with 800-Watts RMS power, equipped with professional features such as DC and Overheat Protection, plus a full wave Peak Limiter. The combination of a custom made speaker and MT amplifier, drives this very compact band pass subwoofer to the limit, to a maximum sound pressure of 133dB at a weight of only 70 lbs. The integrated active crossover, used in mono or stereo mode, gives maximum flexibility - the SUB 15 can be used both as a single subwoofer supplying low-cut signals to 2 satellite speakers, or in mono mode with one subwoofer per side. The crossover frequency is switch able from 80/100 to 120 Hz and provides a very narrow rollover of 24dB / octave. The phase can be turned by 180 degrees if the position of the SUB15 is not in line with the satellite speakers. As in any dBTechnologies subwoofer, the amplifier module is placed in a separate compartment inside the enclosure of the SUB15, to avoid "air noises" from the woofer through the cooling slots of the integrated, 4-speed fan, covered by a removable dust cover. Four control LED's mirror the status of the system, to ensure easy setup and safe operation. The SUB15 can be used in combination with OPERA and Stage Opera Hi/MID speakers, or as a high performance low extension for existing systems. Features: 15" Active-subwoofer MT-Amp 800 W/RMS 40 - 120 Hz (-3 dB) Maximum SPL 133dB 2 x Neutrik Combo Input 2 x XLR Parallel-Out 2 x XLR X-Over-Out Phase reverse switch Dynamic softclip limiter Weight: only 70 lbs. Dimensions: 17.1" X 23.6" X 23.6" Get Your DB SUB 15 Today! |
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SUB-SPECIES: SUB-SPECIES $16.4 SUB-SPECIES: SUB-SPECIES |
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Electro Voice Force i Sub E $599.99 Electro Voice Force® i Sub E Electro Voice Force® i Sub E Description: The Force i Sub features a rugged 18" cast frame woofer with four-layer voice coil and tremendous excursion capability with a usable bass response to 36Hz. Built-in input filter and response-tailored woofer allows single amp drive capability - no biamping required. The sub comes with a 34" pole and metal socket mount for elevating full-range systems and rear-mounted, three-stage collapsible handle and casters. Weighing only 69 pounds, the Force i Sub can be used as a dolly for two-way systems and other equipment making transportation very easy. Dimensions: 25.5 x 20.4 x 23.75". Forget power-sucking, refrigerator-sized subs. The Force i subwoofer delivers solid, gut-kicking bass with an enclosure just over two feet high, and a single power amp. Internal input filter suppresses mid and high signals, letting the woofer put all its muscle into the low end. The Force i sub can be paralleled on a single amp channel along with the full-range speakers for very impressive sound. Electro Voice Force® i Sub E Features: Rear-mounted wheels and collapsible luggage-style handle make moving easy. Handle can be easily removed for performances or transportation. Rugged, cast-frame 18" woofer with four-layer voice coil; 350 watts continuous, 700 watts program and 1,400 watts peak power handling; and tremendous excursion capability for bass down to 36 Hz. Includes 34-inch pole and metal stand mount for elevating full-range speaker above the sub. Built-in input filter for single-amp drive capability. Biamping not required. RoadWood™ enclosure is strong and light-69 lb (31.3 kg) Same height (25.5 in) as Force i Two-Way for more efficient vehicle packing The Force i Sub makes it easy and cost-effective to add solid, low-end response to any sound system. Thanks to its very solid enclosure and a powerful, cast frame 18-inch woofer, the Force i Sub can add substantial bass response to many two-way full-range speakers. Electro Voice Force® i Sub E Specification: An important feature of the Force i Sub is that it is designed to be paralleled with the Force i two-way full-range speaker system on a single amplifier channel. The Force i sound system combining the Force i two-way, Force i Sub and Eliminator i power amplifier rivals larger and much more expensive biamped sound systems for overall sound quality and output capability. The Force i Sub's powerful 18-inch woofer has a four-layer voice coil and nearly two inches of total excursion capability for tremendous air moving capability with reliability. Force i Sub's woofer was designed to have less midrange response so that its input filter reduces the mids and highs to allow parallel operation with a full-range system. Force i Sub's RoadWood™ enclosure is much stronger and lighter than particleboard or MDF and has excellent acoustical properties too. The Force i Sub has a built-in metal stand mount and comes with |
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Sub-Base $93.98 Sub-Base |
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Sub-Breaks $11.99 Sub-Breaks |
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Sub. Terra $11.12 Sub. Terra |
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Sub Templum $13.68 Sub Templum |
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Sub Chaser $12.65 Sub Chaser |
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Sub-Island $11.67 Sub-Island |
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Sub Breaks $11.69 Sub Breaks |
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Sub-Dwellers $14.15 Sub-Dwellers |
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Sub Disasters $17.25 Sub Disasters |
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Sub Entendido $38.43 Sub Entendido |
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Sub Surface $25.25 Sub Surface |
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Opening the Enclosure $24.99 Opening the Enclosure |
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Enclosure 8 - $17.99 Enclosure 8 - |
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Enclosure 8 $17.69 Enclosure 8 |
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Enclosure 7 $17.55 Enclosure 7 |
Subwoofer Enclosures
In this article I will reveal the main reason why we use an enclosure to put a subwoofer in. I will also make some mysteries clear about enclosures.
The first thing I want to start talk about is phase cancelation, this is a nightmare to deal with. With a subwoofer we expect low frequencies to be created, the thing about low frequencies is that this frequency is omni-directional. This mean the frequency don't just go in the direction you point the subwoofer it will go everywhere.
The reason we put the subwoofer in an enclosure is because if you don't use an enclosure you will hear no bass frequency. The reason for this is phase cancelation between the front and the back of the subwoofer speaker, the Sub Woofer sound will bend around the speaker, these sub frequencies have a large sound wave. This will not happen with high frequency because high frequencies are very directional.
You can also prevent this phase cancelation from happening by placing the subwoofer in a baffle. A baffle is pies of wood or any flat surface. The bigger you make this baffle the better you will prevent phase cancellation from happening, if you go big enough you can stop it completely.
This is the actual reason why we use an enclosure, but it is not the only reason. The enclosure is also used to reinforce those low frequencies. We do this by placing a port in the enclosure, this will use the energy generated inside the box to reinforce the sound at the front of the speaker.
About the Author
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Jasper 200J Model 200 Circle Cutting Jig for Plunge Router $38.88 The Jasper 200J Model 200 Circle Cutting Jig for Plunge Router allows you to make the clean circles that are needed in making speaker cutouts. The cutout sizes provided by the jig range in 1/16-inch increments from 2-1/4 inches to 18-3/16 inches. Its easy-to-read scale is calibrated for a 1/4-inch router bit, and this jig has precision-drilled pivot holes that hold pins in selected holes.... |
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Leviton 2N480-41 Sub-Meter Series 2000 Three Element Meter 200:0.1A ratio Indoor Surface Mount Enclosure $189.35 ... |
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Leviton 2N208-11 Sub-Meter Series 2000 Three Element Meter 100:0.1A ratio Max 100A Indoor Surface Mount Enclosure $178.36 ... |
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Eagle Tech ET-AR504LR-BK 2.1 Soundstage Speakers with Subwoofer & Remote $54.99 The Eagle Tech ET-AR504LR-BK 2.1 Speakers with Subwoofer have been tweaked to maintain overall fidelity at significantly higher sound pressures than conventional speakers. Stiff and light cone materials, precision shaped wooden enclosure and raised crossover points of the midrange and tweeter assemblies, make these speakers very efficient at vibrating air - without added distortions. So you get se... |
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Bose Companion 2; Multimedia Speaker System $63.49 The Bose Companion 2 speakers give new voice to your computer desktop. Odds are, your computer is a primary source of entertainment. So why rely on standard computer speakers with so much rich content at your fingertips? Step up to Companion 2 speakers and unleash your computer's true potential with powerful, full-range sound for CDs, DVDs, MP3s, streaming videos, games and more. These deliver bot... |
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