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[Grant Rider]

First post here. Nice job! Where can I learn more about this 12pi subwoofer? Can I see the plans?

[Wayne Parham]

You can request AutoCAD drawings for the 12Pi basshorn on the Pi Speakers forum, or just shoot me an E-Mail.  I'll send them right out.  More information about the 12Pi basshorn can be found at the links below.

12Pi development and construction

• 12Pi basshorn - Ready for Prime Time
• 12Pi basshorn development history
• 12Pi observations and comparisons with other designs
• 12Pi construction photos

Test results and related information

• Push-pull verses shorting rings
• Heat Exchanger Effectiveness
• Speaker Voice Coil Cooling System - Heat Sink
• Speaker Voice Coil Cooling System - Heat Sink - Photos
• Woofer cooling device - Test Cycle with Heat Exchanger Installed
• LAB12 Destructive Test
• Woofer Heat Exchanger - Ruminations
• Thermal limits vs Excursion Limits
• LAB12 thermal and mechanical limits tests, by Tamas Tako
• 12Pi measurements at the Prosound Shootout

[Grant Rider]

Sending email directly.