| Box BuildingEach type of sub requires it's
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| | as possible to minimize gaps between the
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| own type of box. If a sub is installed in
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| | box and the tube. A couple wood braces can
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| a box larger or smaller than what is
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| | be added for screwing the port top the
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| supposed to, it will sound distorted/bad
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| | box. Seal the gaps using a proper sealant
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| and could be destroyed. Boxes can be built
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| | (Evo Stick or even silicone can be
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| in many shapes, but it is important that
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| | used).BracingBoxes that are more than a
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| the box volume is calculated accurately to
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| | foot in width or length or height, should
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| achieve maximum performance.MaterialsA box
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| | be braced so that the box becomes more
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| MUST be very sturdy. Most common building
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| | sturdy. This can be accomplished with a
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| materials are 5/8" or thicker particle
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| | piece of wood maybe 3 or 4 inches wide
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| board or medium density fiberboard. If
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| | across the box). It is a good idea to put
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| building a box with Plexiglas, do not use
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| | wood blocks on the corners for
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| anything less that 1/2 inch thick. A
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| | reinforcement. Always consider that
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| common material used to mold complex
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| | blocks, braces, neon lights, etc. inside a
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| shaped boxes is fiberglass, but it is very
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| | box take up space and should be accounted
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| hard to work with, and require several
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| | for when calculating internal
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| layers for a smooth finish.Gluing,
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| | volume.Damping/FillingDamping increases
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| SealingGlue should be used at all joints
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| | subwoofer efficiency by dissipating some
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| to fill any spaces. Any spaces will
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| | energy that affects the sub, particularly
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| degrade the performance of your subs, not
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| | the voice coil. It is advisable to put
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| to mention the annoying noise air makes
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| | damping material inside a box. Pillow
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| when being pushed out of a small hole. On
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| | polyfill and fiberglass insulation are
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| applying the glue, let it cure for at
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| | common, though polyfill is a lot easier on
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| least 24 hours before mounting the subs.
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| | your skin. Polyfill also "tricks" a sub
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| This is a precautionary mesure to protect
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| | into thinking it is in a bigger box. Play
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| the rubbers used to make the subs from the
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| | around with different amounts of polyfill
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| high fumes that some manufacturers glue
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| | until you get the desired results.Making
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| products have.Holding Joints TogetherIn
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| | it look professionalMake the box surface
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| connecting box joints, it is best to screw
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| | free from holes and spaces by adding wood
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| the joints every four inches or so using
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| | fill. If you decide to paint the box, then
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| 2" - 2-1/2" screws. Pre-drill about 3/4"
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| | you should apply primer first. Carpet or
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| deep, so that screws do not split the wood
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| | Vinyl padding is the best covering to use
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| at the edges, especially when working with
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| | since they easily cover any outer
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| particle/bashboard.Should I have a Box for
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| | blemishes on teh box and give the box a
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| Each Sub?It is advised to have a separate
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| | 'smooth' outlook. Be carefull when cutting
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| chamber for each sub. Even though not
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| | the vinyl or carpet since such cutters
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| necessary, here are two reasons why such a
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| | tend to be very sharp. Cut a piece of
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| directive should be taken: First, if one
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| | carpet (or vinyl) big enough to cover the
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| of the subs blows, then the volume of the
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| | whole box. Apply adhesive to both box and
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| box will be "twice" as big for the one
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| | carpet (EvoStick works great). Wait about
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| remaining working sub. This could cause
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| | a minute and place the fabric over the
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| problems and even damage the other sub.
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| | wood. For the best fit, stretch the fabric
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| The second reason is bracing. Building a
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| | when applying it. The fabric should wrap
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| box with a divider in the middle will make
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| | around and end in a place of the box that
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| the box more rigid.PortsPorts must be
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| | will not be seen. Do one side at a time,
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| built into your box design to channel out
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| | cutting excess carpet. If possible, add
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| the air made by the sub's vibrations. If a
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| | staples preferabke heavy duty staples that
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| pre-made port is not available, the most
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| | can penetrate the box, to hold the fabric
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| common material is PVC . PVC is very
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| | at the ends. NOTE: Do not cover each panel
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| rigid, comes in different diameters. Cut
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| | of the box before mounting it together
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| the tubing at the desired length. Consider
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| | since it would be impossible to find any
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| the volume the port takes up when
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| | 'leaks' that may exist in the box design
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| calculating the box volume. Cut a hole in
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| | much less fill these leaks.Get more Auto
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| the box. Make sure the hole is as perfect
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| | Car Audio and Video help.
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