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      04-14-2009, 08:08 AM   #1
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South Africa

Drives: 320d
Join Date: Sep 2008
Location: Cape Town

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Custom Sub Box Install

Howit fellow E90/E92's

So the Long Easter Weekend was more than enough time to finally build the Sub Woofer enclosure I have planned for SO long! The Enclosure is for a Pioneer 12" 800W SVC (the original before the gray products started rolling in)

First off, I built up the rough shape with Pine boards, this was a pain in the arse as the wheels arch is a complex shape of curves.
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After I had ensured that I had the right shape and a tight fit, I started with the fiber glass around the shape. About 4 - 5 layers gave the right shape and hardness I wanted for the box.
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Then I made sure that all wiring was still good on the amp I installed bout 4 months ago, also put in a remote on/off switch for when the in-laws are in the car.
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Decided to carpet the entire box for the more stealth look, got the carpet at HI-FI Corp and so, the final product looks something like this.
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And what does it sound like I hear you asking. Awesome!! It bangs for sure!! I played around with the crossover for a while to get the right integration point and sounds sweet now. After driving around with it for half a day, decided to drop the gain a bit as the base was drowning out the treble, but a couple of settings on the gain, combined with pushing the treble up has left me with a much rounder sound and fuller sound spectrum.