T-Pole design has been updated. I also switched from Sketchup to Fusion 360 (much better).
- 16 JAN 2020
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I've moved my website to my own platform. There are some broken pages, links, and images that will be fixed soon.
- 24 APR 2014
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I've made a few minor changes to the T-Pole design. The changes do not impact performance but they do make assembly much easier.
- 21 MAR 2014
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Added results for the Acoustic Elegance TD12S 12" woofer:
- 12 MAR 2014
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I tested a group of mid bass drivers for my T-Pole project. Some of these driver I knew wouldn't be contenders for this project, but I had them on hand, and tested them anyway so I could share the results with others.
- 20 FEB 2010
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Welcome! The objective of this site is to share what I've learned from over 30 years of building loudspeakers. I built my first pair of loudspeakers when I was 14. I pulled a pair of drivers from a Panasonic boom box and built an enclosure made of particle board and OSB. I also pulled a two pairs of paper cone tweeters from two other speakers to round out the design. It was my first and only TTW speaker.
Using the original capacitors, I wired the top tweeter with an on/off switch so I could have a treble boost/cut. I "added" some bass output to the diminutive 5" Panasonic woofers by porting the system with paper towel cardboard tube, tuning the port was by ear of course. Shortly after building that system my good friend Bones became interested in speaker building and picked up Designing, Building and Testing Your Own Speaker System by David B. Weems, I "borrowed it" from him and I still have it, thanks Bones! I quickly learned that building loudspeakers was much more complex than I had thought. Hopefully I've learned a few things about speaker design since then.
My USAF dorm stereo from 21 years ago:
This system used an active crossover, notice the DSP crossover above the sub woofer.