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There are two ways to learn how to come up with the variations, and in reality most folks who know how to do it, do both. 1. Run thousands of...
Paul, Bill, kinda did answer your question there. Don't think of passive crossovers as having a specific response, Butterworth, L-R, etc......
The plugs will get glued to the horn. One catch with doing this is you need to make sure that the filtering used and the plug dimensions are...
More measurements. I tested dual .5" holes, with volume plug and no frustrum. Doing this you loose a little top end extension, but with the...
No rear enclosure, the baffle was roughly 2'x2'. I measured at a distance of about 4", which allowed me to gate out any diffraction and floor...
Yet more pictures of wooden plugs.
More Plugs, and the frequency measurement jig.
Plugs
Got some testing done today....still digesting what I'm seeing. Very little difference between offset and centered, and it appears that the...
Probably the first of several direction changes.... So last night I molded the first "compression plug" for the midranges using some bondo. 1....
Nate, can you post any of your measurements? I'm not sure a single driver, not horn loaded measurement of 2 ports would be all that accurate,...
To quote Guinness beer: "BRILLIANT". I'm ashamed I hadn't thought of that. I'll also take impedance sweeps, and possibly measurements with...
Okay...so there's two very important ideas regarding the Synergy concept in this, and I'm going to restate to make sure I understand what you are...
I found the plot you're talking about. My copy is from a former manager who gave it to me when he retired. He had neglected to return it from...
Yeah, I can lock the door from inside the shop. It was pretty funny actually, when we took the adoption classes we filled out all this paperwork...
Plunge cut pic.... Clamping board removed. Backup corner clamp board still in place. In case anyone doesn't know what a plunge cut...
Dangit!!! THIRD TIME typing this up. I had an attachment too large and this forum loses the text!!! Six Jigs (Plus 1 in the trash) A Piece...
Next up is cutting the 14.5 degree bevel on the edges. I marked the jig with a permanent marker to help me find the edges. I thought I would...
More pics. Also a note on how I get the pieces apart. I tack them together using two brad nails. I've cut a channel in the template just wide...
More pics on how the pattern jig works on the table saw.