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<blockquote data-quote="Jeffdachef" data-source="post: 8389775" data-attributes="member: 650438">Port and subwoofer loading location is important too. There are many factors in getting a box right. Its not as simple as just putting stuff together and hope it works. You need to design the box based on the electromechanical parameters of the subwoofer (aka thiele small parameters) and actually graph out the frequency response along with measuring SPL output capabilities AND make sure there is no port noise or compression.The main reason why custom boxes are soo expensive is not really because of the labor,&nbsp; Its the Shipping.&nbsp; Shipping halfway across the nation with a big giant box along with shipping materials needed for the box to arrive safely already eats up half the cost.&nbsp; Still, go around to local audio shops and get quotes for a ported box. Generally they will charge you 300-600 dollars for a simple plain ported box that any kid in his garage can make.&nbsp; If you really want to save money, Build your own. IF you want fancy looking box and have the wood working skills for it I&#039;ll give you those designs.</blockquote>

[QUOTE="Jeffdachef, post: 8389775, member: 650438"] Port and subwoofer loading location is important too. There are many factors in getting a box right. Its not as simple as just putting stuff together and hope it works. You need to design the box based on the electromechanical parameters of the subwoofer (aka thiele small parameters) and actually graph out the frequency response along with measuring SPL output capabilities AND make sure there is no port noise or compression. The main reason why custom boxes are soo expensive is not really because of the labor, Its the Shipping. Shipping halfway across the nation with a big giant box along with shipping materials needed for the box to arrive safely already eats up half the cost. Still, go around to local audio shops and get quotes for a ported box. Generally they will charge you 300-600 dollars for a simple plain ported box that any kid in his garage can make. If you really want to save money, Build your own. IF you want fancy looking box and have the wood working skills for it I'll give you those designs. [/QUOTE]

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