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GSG Audio Design - Here we're test fitting the new Eminence Tour Grade 21 inch subwoofer (NSW6021-6) in two of our new DIY subwoofer cabinet kits. On the top left pic is
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21 Inch Full Marty by GSG(TM) Flat Pack Subwoofer – GSG Audio Design
GSG Audio Design - Today we are checking out this impressive system put together by Armando F, out of Texas. He used our Birch Rounded-over Full Marty 21 inch subwoofer kit along
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