Question Re: Altec 9844A studio monitor

Posted by Conductor (A) on November 7, 2007 at 21:18:23

I came across this question that was posed here a few years ago that went unanswered.

[I recently aquired the spec sheet for the 9844 monitors that I own. These are a (2) 12-inch woofer, one 811 horn combo, housed in a compact enclosure that positions the horn on the bottom. This configuration assumes mounting the enclosure up high or on a wall.
I found it interesting that the spec sheet states " When the 9844A is mounted flush to the wall above control room observation windows, it provides a 10-degree downward in-phase projection angle. No special tilting or aiming of the enclosure is necessary."
How did they do this? The horn is mounted to the baffle with no tilt to it. Is this accomplished through something in the crossover?
I was planning on building a new set of enclosures for the drivers, mainly to get the horns up higher, but I currently am using the speakers on the floor in an upside down position with the horns on the top. From my listening position the balance seems perfect, which would go along with the 10-degree tilt. I would guess that the enclosure does not know that it is being used upside down, and that the tilt in projection is now upward by 10 degrees. This would explain the wonderful balance I get when listening from my couch"]

Can anyone explain?

I am wondering what on earth did they mean. My friends 9811's have no tilt to any of their horns, drivers,or cabinets.
Here is a link to two different spec sheets...one obviously newer that the other. One mentions this 10-degree "angle" and the other doesnt. Neither appear to be tilted in any way.

http://www.lansingheritage.org/html/altec/specs/pro-speakers/9844.htm (Open in New Window)

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Topic - Question Re: Altec 9844A studio monitor - Conductor 21:18:23 11/07/07 (1)

RE: Question Re: Altec 9844A studio monitor - GM 22:32:59 11/07/07 (0)

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