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unicon wrote:

If I were you I would set up all things so that when the mid bass is in his place i can reconfigure the baffle tightness by using a huge DIY made screwdriver from the opening mouth...or wherever it can be reachable then monitoring the impulse results .you already know what a good result should be.

Unicon,

those horns that I working on now are much larger than any imaginable DIY made screwdriver, even if you propose the “screwdriver” as a hypothetical device. The horns are huge and in a way overbuilt. It is as now is over 1000 pounds each and it has a very solid frame. The horn is made with plywood of good quality and plywood has no directional tension. The plywood attached to frame with Gorilla glue that itself is a bit dumping type of glue. The last few days, when the sections become too heavy to rotate for one person, the sections were accidently dropped during rotation. They were falling like a single brick – very heavy, solid and firm – there is absolutely nothing in there loose and to the best of my knowledge there are no two wood surfaces that touch each other and have no glue between each other. Why do you think I spend 6-7 hours per day after my work working on this thing? There is another aspect that I feel will work out. The horn mouth is the most resonating thing in horns but in my horn the very edge of the mouths will be the surface that will tight the horn to the house frame. A horn will be lying with mouth own upon 14 beam truss and will be attached to the trusses with 6” screws.  In fact it will be attached to the frame in 6 locations:

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