ANGLED SLOT PORT ADVANTAGE! Subwoofer box build - Step-by-Step @CarAudioFabrication
ANGLED SLOT PORT ADVANTAGE! Subwoofer box build - Step-by-Step  @CarAudioFabrication
Uploaded July 2025 | Updated September 2026, 2 hours ago
I'm working on building a custom slot ported subwoofer enclosure for two JL Audio 13W3's. This slot ported enclosure is unique as it features a subs up, port back configuration, but has an angled rear face on the enclosure that requires complex port geometry to achieve proper port length. Let's build it!

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ANGLED SLOT PORT ADVANTAGE! Subwoofer box build - Step-by-Step

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