Rerurn to Romy the Cat's Site
In the Forum: Horn-Loaded Speakers
In the Thread: Macondo’s Midbass Project – the grown up time.
Post Subject: CaliforniaPosted by Paul S on: 7/17/2010
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Romy, I am still not sure of the dimensions. What is the length of the newly exposed section of ridge board, measured from the "king post" to where it hits the main roof? The listening room ridge appears to land on a main roof rafter, which you might be able to double, if necessary. It also looks like your intersecting roof construction is what is known as a "California" (rather than old-fashioned true dormer framing), where the newly exposed roof section is really just a "cricket" and it supports nothing but its own dead weight. It would have been useful to you now if the original framers had used flat 2X10 sleepers along the valleys, to distribute the dead weight, although something like this might be done now, if you want to head off any main roof rafters. Anyway, depending on how much higher the other (main) ridge is, you still MIGHT be able to effectively pick up some useable space for the horn by simply cutting away the main roof sheathing, and/or possibly heading off any offending main roof rafter(s), and this might well afford access into the other (main roof) attic space. Then, you'd have room for a longer horn and/or compression boxes, providing they clear the FAU. Of course, I am guessing from what is shown in the photos that the main roof ceiling is flat (with an attic), since, obviously, if the ceiling is vaulted under the main roof, too, you are probably pretty much stuck with the space we presently see in the picture.
Best regards,
Paul SRerurn to Romy the Cat's Site