A friend came across a project known as a Flame Speaker. Â The similarities to a Rubens Tube resonated with me and I was immediately intrigued. Â Some of the best information we could find about it where documented in a 1960s Popular Electronics magazine. Â Apparently hobbyists were making these things in their basements around the country, …read more
I realize that after a long time of not blogging that I simply forgot to blog about finishing my Rubens Tube. Besides, I need to show the final piece in action. Sorry about that! Here are the first three blog posts about this. One, Two, Three. Step 6. Prepare the plate for the propane side. …read more
Read Parts 1 and 2, first. Step 4. Drill and tap holes in the flanges for mounting the speaker and Buna-N rubber sheet. The reasons will become clear in later steps, but I’ll just describe what holes I drilled. One flange will be welded to the tube itself, so it will have nothing but tapped …read more
Previously I had skipped over the second step in my “How to Make a Rubens Tube” series. I needed to get a chuck key for my drill press, but that’s all sorted out now. Step 2. Drill. I set up my tube on a homemade jig. Basically it is a wooden V that allows me …read more
Years ago I bought a 6″OD, 20ft steel tube, with the intention of making Rubens tubes out of it. I hacked off 5 feet and put together a tube. However I wasn’t really satisfied with its performance. The tube never really resonated with the notes of the music, it only would pound with the bass. …read more