Scott initiated the BIB discussion back in 2005. Please read Scott Lindgren’s Introduction to BIB loudspeaker design below. Your efforts allow music lovers and speaker builders to enjoy excellent sound for modest cost across the globe. Many thanks to all who contributed the the BIB.
He challenged us to revisit and listen to what was considered an old design. He shared his sketches and built a prototype. I’d also like to mention that the late Terry Cain (pictured below) brought the BIB design back to life. BIB spreadsheets were developed and refined allowing builders to select any driver and calculate optimal cabinet dimensions.
I was proud to be a member of a community so willing to make time and provide input. The ‘group think’ was impressive on the diyaudio forum. Years have passed and the BIB has been venerated as one of the easiest and best performing back horn designs. Many at decided to discuss the topic at what may be the ultimate BIB loudspeaker discussion. There was a mystique surrounding their design. This was noted, because not every loud speaker design will give the expected results.For me, the BIB was an effort to understand back horn loudspeakers. The calculations are used to predict loudspeaker parameters. Bandpass, Sealed and Vented Designer calculate speaker parameters based on loudspeaker theory and engineering equations/principles/formulas. There exists other calculations, not included in the software, because they are not required and provide little technical information.Īs with any design or engineering of speaker enclosures, the performance, sound output, bass, and sub frequencies are not guaranteed. The Subwoofer Designer Series is intended for the hobbyist, audio / acoustic enthusiast and Do It Yourself (DIY) speaker builder.īandpass Designer, Sealed Designer and Vented Designer provide accurate theoretical solutions for subwoofer driver characteristics and attributes (Thiele Small) and box/enclosure parameters with an easy to use interface. Works with any type and size of driver (8, 10, 12, 15 inch). This site provides the instructions and "how to" information to successfully plan, design, construct, build and setup subwoofer enclosure systems using AJ Bandpass Designer, Sealed Designer and Vented Designer. Can be used for car, truck, sport utility vehicle (SUV), Jeep automotive, guitar and home theater applications and projects. Providing subwoofer design software programs for solving the required calculations for custom bandpass, sealed and vented box cabinet designs.
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