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MP-3s

MP-3s
Design Goals
Driver Selection
Enclosure Design
Enclosure Assembly
Crossover Design
Conclusion
- Driver Selection -

I first thought about an MTM design with 5 or 6 inch mid-basses, 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 respectively 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 being on the phones as a Tech. From my experience actually hearing the F5 drivers in a setup a few months back, I decided they would do the job. Right about the time I was starting the crossover design; I was wandering 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. The overall cabinet design he had was right up my alley as far as how much I wanted to do and how in-depth I wanted to get into it.

Now that the overall design was in my head, the next things to choose were the tweeters. I needed something with a relatively low Fs but kept a high efficiency (around 92-93 dB). At first glance, the Vifa DX25TG-05-04 was pretty intimidating but after talking to Darren Kuzma about it for about 5 whopping minutes, I decided to try the XT25TG30-04 instead. With an Fs around 500Hz and a 91.5 dB sensitivity it looked awfully delicious, and best of all I hadn't used it before.

I chose the D8G 's. I had two reasons for doing this, 1: the surround on the D8G’s looks a little more treated and looks to be more immune to dry-rot than the 8.8’s, and 2: the overall appearance would be a lot better with all yellow cones offsetting the cherry vinyl I was planning on using.
HI-VI D8G 8" KEVLAR/PAPER WOOFER

VIFA XT25TG30-04 1" DUAL CONCENTRIC DOME TWEETER

HI-VI F5 5" BASS/MIDRANGE

 

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