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OK, so looking at pics and the designs, is it accurate that the 10" mid and the tweeter are left open in the back. I mean, especially looking at the plans it appears as if the woofer front mounts into the horn flare and then the back side of it is just open. Is it the same with the tweeter? Does anyone have pics of Audiophile 7s finished?
In this picture (http://www.pispeakers.com/Audiophile_Seven_Pi.jpg) the only thing visible is the midrange and the tweeter. Where is the woofer?
The woofer fires into the corner. It's in the cabinet below the mid-horn and tweeter.
The bass bin is the box below the midhorn. The woofer faces the corner and sound emits from openings in the sides. In addition to the information in the plans, here are a couple of posts that give some other useful contruction tips: Midhorn "Rubber Ball" brace Positioning pins seven π cornerhorn