1) Car: 1990 Chevy Astro van
2) Subs: 2 RD 18”
3) Power: 20,000 watts each
4) Goal: SPL only
5) Box type: Bandpass (6th if can)
6) Sub/port direction: Forward
7) Max dimensions: 40x42x53 internal
8) Desired NET vol and tuning: 49 ft^3 @ 62hz
9) Finnish: None
10) Zip code for shipping Required for build only:
11) Additional comments: Will use fewer subs or go with 4th order.
Spy also offer several options you can add if you would like. Please note these are options Spy
offer and other builders may offer more or less options. If you want something you don't see listed feel free to ask.
Double baffle/flush mount:
Round over all port edges inside and out:
Round over all outside edges:
45's in all inside corners:
Paint inside of port:
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CACO: slim2fattycake, thecartel, toolmaker
CA: bumpin buick
MECA: ricktw, rushnrun