Thanks for all the inspiration. This is my first post in your community, and TL;DR - I built a tiny subwoofer based around the W5-1138SMF. It sounds pretty good, and the wife approves of the size. It uses two 6-1/2" Dayton passive radiators (on opposing sides) to vent the 5-1/4" down-firing driver. With a 100W digital amp board it has more than enough headroom for my listening space.
The sub plays at useful volumes between 60-120hz, relatively flat and extends to below 40hz. It integrates nicely with my main speakers, which roll off around 70hz.
Music sounds smooth with no noticeable distortion at any volume. I made a full write-up on my personal blog, but can expand a little bit more here, and would welcome any questions (especially since I'm terrible at documenting my personal projects).
An externally hosted image should be here but it was not working when we last tested it.
The sub plays at useful volumes between 60-120hz, relatively flat and extends to below 40hz. It integrates nicely with my main speakers, which roll off around 70hz.
An externally hosted image should be here but it was not working when we last tested it.
Music sounds smooth with no noticeable distortion at any volume. I made a full write-up on my personal blog, but can expand a little bit more here, and would welcome any questions (especially since I'm terrible at documenting my personal projects).
Total volume for the enclosure is 0.19cu ft. I added 28g to the back of each PR, but based on modeling in WinISD I could go as high as 100g. I'm slightly concerned about adding that much weight to a 6.5" speaker, since the spider doesn't seem built for those kinds of forces. There's still a bit of a response bump around 60-80hz that I think would decrease if I could tune the PRs a bit lower.
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