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Millennium III

Millennium III
Design Goals
Driver Selection
Enclosure Design
Enclosure Assembly
Crossover Design
Conclusion
Parts List
About the Designer
- Driver Selection -

I thought first about an MTM design with 5" or 6" midbasses, and a decent tweeter. Since I wasn't looking for any typical teenage low-end, my woofer selection was basically anything Parts Express carried. I have used Peerless, Dayton, and many other woofers before and was familiar with their sound, but I wanted something new. Hi-Vi was next on my list; I had heard a lot of good feedback about their products from my time on the phones as a tech at PE. Based on my experience actually hearing the F5 drivers in a setup a few months back, I decided they would do the job for bass/midrange. Right about the time I started the crossover design, I wandered through the Project Showcase and came across Vince's VHT system. The standard D'Appolito design I originally thought of just got a little more complicated.

I had two reasons for selecting the Hi-Vi D8G as the woofer: first, the surround on the D8G looks a little more treated and potentially more immune to dry-rot than its brother, the D8.8, and second, the overall appearance would be a lot better with all yellow cones complementing the cherry vinyl I was planning to use.

The last driver to choose was the tweeter. I needed something that had a relatively low Fs but would maintain a high efficiency (around 92-93 dB). The Vifa DX25TG- 05-04 was pretty intimidating at first glance, and after consulting with Darren Kuzma, I decided to try the XT25TG30-04 instead. With an Fs around 500Hz and a 91.5 dB sensitivity, it looked very suitable-and best of all, I hadn't used it before.

Vifa Tweeter-#264-555

Hi-Vi Midrange- #297-435

Hi-Vi Woofer - #297-425

 
 

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