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Main › Automobile & Automotive › Auto Sound Systems
 

Building the Best Subwoofer Speaker Box Enclosure For Your Car or SUV

 

Author: Duane Boodasingh
< P > < B > B o x B u i l d i n g < / B > < / P > < P > E a c h t y p e o f s u b r e q u i r e s i t ' s o w n t y p e o f b o x . I f a s u b i s i n s t a l l e d i n a b o x l a r g e r o r s m a l l e r t h a n w h a t i s s u p p o s e d t o , i t w i l l s o u n d d i s t o r t e d / b a d a n d c o u l d b e d e s t r o y e d . B o x e s c a n b e b u i l t i n m a n y s h a p e s , b u t i t i s i m p o r t a n t t h a t t h e b o x v o l u m e i s c a l c u l a t e d a c c u r a t e l y t o a c h i e v e m a x i m u m p e r f o r m a n c e . < / P > < P > < B > M a t e r i a l s < / B > < / P > < P > A b o x M U S T b e v e r y s t u r d y . M o s t c o m m o n b u i l d i n g m a t e r i a l s a r e 5 / 8 " o r t h i c k e r p a r t i c l e b o a r d o r m e d i u m d e n s i t y f i b e r b o a r d . I f b u i l d i n g a b o x w i t h P l e x i g l a s , d o n o t u s e a n y t h i n g l e s s t h a t 1 / 2 i n c h t h i c k . A c o m m o n m a t e r i a l u s e d t o m o l d c o m p l e x s h a p e d b o x e s i s f i b e r g l a s s , b u t i t i s v e r y h a r d t o w o r k w i t h , a n d r e q u i r e s e v e r a l l a y e r s f o r a s m o o t h f i n i s h . < / P > < P > < B > G l u i n g , S e a l i n g < / B > < / P > < P > G l u e s h o u l d b e u s e d a t a l l j o i n t s t o f i l l a n y s p a c e s . A n y s p a c e s w i l l d e g r a d e t h e p e r f o r m a n c e o f y o u r s u b s , n o t t o m e n t i o n t h e a n n o y i n g n o i s e a i r m a k e s w h e n b e i n g p u s h e d o u t o f a s m a l l h o l e . O n a p p l y i n g t h e g l u e , l e t i t c u r e f o r a t l e a s t 2 4 h o u r s b e f o r e m o u n t i n g t h e s u b s . T h i s i s a p r e c a u t i o n a r y m e s u r e t o p r o t e c t t h e r u b b e r s u s e d t o m a k e t h e s u b s f r o m t h e h i g h f u m e s t h a t s o m e m a n u f a c t u r e r s g l u e p r o d u c t s h a v e . < / P > < P > < B > H o l d i n g J o i n t s T o g e t h e r < / B > < / P > < P > I n c o n n e c t i n g b o x j o i n t s , i t i s b e s t t o s c r e w t h e j o i n t s e v e r y f o u r i n c h e s o r s o u s i n g 2 " - 2 - 1 / 2 " s c r e w s . P r e - d r i l l a b o u t 3 / 4 " d e e p , s o t h a t s c r e w s d o n o t s p l i t t h e w o o d a t t h e e d g e s , e s p e c i a l l y w h e n w o r k i n g w i t h p a r t i c l e / b a s h b o a r d . < / P > < P > < B > S h o u l d I h a v e a B o x f o r E a c h S u b ? < / B > < / P > < P > I t i s a d v i s e d t o h a v e a s e p a r a t e c h a m b e r f o r e a c h s u b . E v e n t h o u g h n o t n e c e s s a r y , h e r e a r e t w o r e a s o n s w h y s u c h a d i r e c t i v e s h o u l d b e t a k e n : F i r s t , i f o n e o f t h e s u b s b l o w s , t h e n t h e v o l u m e o f t h e b o x w i l l b e " t w i c e " a s b i g f o r t h e o n e r e m a i n i n g w o r k i n g s u b . T h i s c o u l d c a u s e p r o b l e m s a n d e v e n d a m a g e t h e o t h e r s u b . T h e s e c o n d r e a s o n i s b r a c i n g . B u i l d i n g a b o x w i t h a d i v i d e r i n t h e m i d d l e w i l l m a k e t h e b o x m o r e r i g i d . < / P > < P > < B > P o r t s < / B > < / P > < P > P o r t s m u s t b e b u i l t i n t o y o u r b o x d e s i g n t o c h a n n e l o u t t h e a i r m a d e b y t h e s u b ' s v i b r a t i o n s . I f a p r e - m a d e p o r t i s n o t a v a i l a b l e , t h e m o s t c o m m o n m a t e r i a l i s P V C . P V C i s v e r y r i g i d , c o m e s i n d i f f e r e n t d i a m e t e r s . C u t t h e t u b i n g a t t h e d e s i r e d l e n g t h . C o n s i d e r t h e v o l u m e t h e p o r t t a k e s u p w h e n c a l c u l a t i n g t h e b o x v o l u m e . C u t a h o l e i n t h e b o x . M a k e s u r e t h e h o l e i s a s p e r f e c t a s p o s s i b l e t o m i n i m i z e g a p s b e t w e e n t h e b o x a n d t h e t u b e . A c o u p l e w o o d b r a c e s c a n b e a d d e d f o r s c r e w i n g t h e p o r t t o p t h e b o x . S e a l t h e g a p s u s i n g a p r o p e r s e a l a n t ( E v o S t i c k o r e v e n s i l i c o n e c a n b e u s e d ) . < / P > < P > < B > B r a c i n g < / B > < / P > < P > B o x e s t h a t a r e m o r e t h a n a f o o t i n w i d t h o r l e n g t h o r h e i g h t , s h o u l d b e b r a c e d s o t h a t t h e b o x b e c o m e s m o r e s t u r d y . T h i s c a n b e a c c o m p l i s h e d w i t h a p i e c e o f w o o d m a y b e 3 o r 4 i n c h e s w i d e a c r o s s t h e b o x ) . I t i s a g o o d i d e a t o p u t w o o d b l o c k s o n t h e c o r n e r s f o r r e i n f o r c e m e n t . A l w a y s c o n s i d e r t h a t b l o c k s , b r a c e s , n e o n l i g h t s , e t c . i n s i d e a b o x t a k e u p s p a c e a n d s h o u l d b e a c c o u n t e d f o r w h e n c a l c u l a t i n g i n t e r n a l v o l u m e . < / P > < P > < B > D a m p i n g / F i l l i n g < / B > < / P > < P > D a m p i n g i n c r e a s e s s u b w o o f e r e f f i c i e n c y b y d i s s i p a t i n g s o m e e n e r g y t h a t a f f e c t s t h e s u b , p a r t i c u l a r l y t h e v o i c e c o i l . I t i s a d v i s a b l e t o p u t d a m p i n g m a t e r i a l i n s i d e a b o x . P i l l o w p o l y f i l l a n d f i b e r g l a s s i n s u l a t i o n a r e c o m m o n , t h o u g h p o l y f i l l i s a l o t e a s i e r o n y o u r s k i n . P o l y f i l l a l s o " t r i c k s " a s u b i n t o t h i n k i n g i t i s i n a b i g g e r b o x . P l a y a r o u n d w i t h d i f f e r e n t a m o u n t s o f p o l y f i l l u n t i l y o u g e t t h e d e s i r e d r e s u l t s . < / P > < P > < B > M a k i n g i t l o o k p r o f e s s i o n a l < / B > < / P > < P > M a k e t h e b o x s u r f a c e f r e e f r o m h o l e s a n d s p a c e s b y a d d i n g w o o d f i l l . I f y o u d e c i d e t o p a i n t t h e b o x , t h e n y o u s h o u l d a p p l y p r i m e r f i r s t . C a r p e t o r V i n y l p a d d i n g i s t h e b e s t c o v e r i n g t o u s e s i n c e t h e y e a s i l y c o v e r a n y o u t e r b l e m i s h e s o n t e h b o x a n d g i v e t h e b o x a ' s m o o t h ' o u t l o o k . B e c a r e f u l l w h e n c u t t i n g t h e v i n y l o r c a r p e t s i n c e s u c h c u t t e r s t e n d t o b e v e r y s h a r p . C u t a p i e c e o f c a r p e t ( o r v i n y l ) b i g e n o u g h t o c o v e r t h e w h o l e b o x . A p p l y a d h e s i v e t o b o t h b o x a n d c a r p e t ( E v o S t i c k w o r k s g r e a t ) . W a i t a b o u t a m i n u t e a n d p l a c e t h e f a b r i c o v e r t h e w o o d . F o r t h e b e s t f i t , s t r e t c h t h e f a b r i c w h e n a p p l y i n g i t . T h e f a b r i c s h o u l d w r a p a r o u n d a n d e n d i n a p l a c e o f t h e b o x t h a t w i l l n o t b e s e e n . D o o n e s i d e a t a t i m e , c u t t i n g e x c e s s c a r p e t . I f p o s s i b l e , a d d s t a p l e s p r e f e r a b k e h e a v y d u t y s t a p l e s t h a t c a n p e n e t r a t e t h e b o x , t o h o l d t h e f a b r i c a t t h e e n d s . N O T E : D o n o t c o v e r e a c h p a n e l o f t h e b o x b e f o r e m o u n t i n g i t t o g e t h e r s i n c e i t w o u l d b e i m p o s s i b l e t o f i n d a n y ' l e a k s ' t h a t m a y e x i s t i n t h e b o x d e s i g n m u c h l e s s f i l l t h e s e l e a k s . < / P >
Author Bio:
Duane Boodasingh is a well-known scripter. Duane likes to create articles about this industry.
You can also reach this article by using: car audio system, audio car system, car audio system review, car audio sound system
 
 
 

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