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Second Skin Audio

Need help with box design zv4 12


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I've got a Zv4 12 on an Saz-2000D. First box I ever built/designed (With the help of Joe X). It turned out really good I think don't have any pictures with the carpet on it, oh well.

My box is

2.75 cu ft @ 31hz

42 sq inches of port

0.75 thick MDF with a double baffle and cross bracing with 1 1/4 dowels.

Plays from 24hz all the way up to 40/45hz really well. Seems the output drops significantly after 40-45hz but that's expected with this sub & the low tuning. My box design is different from yours though as it's in the back of my ext cab F150 facing up.

W9Pmsmf.jpg

fIFZOpJ.jpg

Syphlyns 2000 F150 4.6L V8

H/U: Kendwood KDC-X898

Speakers: 4 x Alpine SPR-68 Speakers

4 Channel Amp: Alpine PDX-F4

Sub: Sundown Zv4 12

Sub Amp: Sundown SAZ-2000D

Box: 2.75 Cu Ft @ 31Hz

Alternator: Mechman 250A elite series

Wiring: All KnuKoncepz 0 gauge OFC + KnuKonceptz Krystal RCAs

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Here is another suggestion for 0.75 wood thickness, power: to sub rated, amp subsonic filter to 28Hz, minimum port clearance 3 1/2", figure is just an assembly guide, bracing is 1 1/4" wooden dowel rods:

NOTE: If building outside you need to build a cardboard dummy box to test fit in it's way inside.

zv412.jpg

sfpf12.jpg

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