We have inherited some small triangle panels that I thought, at first, were diffusors, bout now it seems after some good ol' searches are actually reflectors. I've attached a picture. They are three sided pyramids, each side about a foot long at the base. They look to be made out of the mineral stuff office ceiling tiles are made out of. Thin enough that bass would pass through (i think
) but they would reflect mids and highs (so I would maybe stuff the back with insulation.
The guy we got them from said he used them in corners where wall-wall, ceiling-wall, wall-ceiling both meet, and on the far side of his very dead, small room to add some liveliness back to the sound. I'm wondering if they may have the same use in our room (though perhaps not as effectively as a diffusor might).
After treating all corners, flutter echoes, reflection points, etc. in our room with broadband absorbers and bass traps, it's somewhat dead sounding, though in a pleasing way, though some reintroduction of "liveliness" might not hurt.
Our room is about 28' long and 14' high. On the second length of the room it's about 14' wide (where we put amps behind gobos), then the first length of the room becomes no-longer a rectangle and is about 17' wide (this is where we put the drums).
I'm wondering if placing these reflective pyramids (we have about 15) on the ceiling at the far end (away from the drums) or on the wall at that end will help reflect some beneficial sound back. I at least think they'll look aesthetically pleasing..
Thanks for loads of information ya'll provide. Let me know if I can give anymore helpful details.
Cheers.
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