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jd wrote :

"...I may have come up with a way of making the BIG horns fairly painlessly..."

Yes well, I really must give up the absinthe !

Lbjefferies7 wrote :

"...Not "end-of-life"in the sense that it will be built and then I'll never have to mess around with speakers again, but more in the sense that it's a project that will likely kill\cripple me..."

Been a bit slow on posting progress reports lately because I've had to delay construction of the second mid-bass horn. This was due to having herniated a disk in my back while moving the first mid-bass horn out of the way.

Here it is (throat = 8", cutoff = 40Hz)... Just test-listening here ; no filter, no rear chamber, driver not securely fixed but just placed on a box... Original plan was to listen for a few minutes, then get it out of the way and start on the second horn... I ended up leaving it in place for about a week, eventually adding an approximate filter :





Photos were taken about 3 months ago... Horn is laying on its side; shold be rotated 90° with short side on floor.

Still lots of finish work to do... Finish work will commence once second horn is to this same rough state.
I am now back to work on the second horn, which is about 1/4 of the way done. It is extremely boring and repetitious work.

Lbjefferies7 wrote :

"...My system certainly follows the 'form follows function' rule but I have wondered how the looks of a speaker (or entire system) effects the listener's perception.  Of course we have all experienced some male grunting and hooting over the shinny things and glowing tubes.  This only led me to believe that the appearance of a system can theoretically produce a more sophisticated and music-friendly perception.  How to accomplish this while keeping axioms intact is a daunting challenge..."

I chose to give priority to the axioms... In the case of these mid-bass horns, my intention is to leave the deeply ribbed exteriors out in the open, letting them work as diffusers for the mid and high frequency channels (their primary function being of course structural). These horns will eventually get a coat of semi-flat black paint inside and out. I may one day (if forced by a woman) have to build a sort of case around the outside of each one, or build them into a house.

jd*

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