The auditorium is actually a second building separated (for acoustical reasons) by a one inch gap from the "shell" which contains the lobby and offices.

(Masur would like to install an organ almost as large in Avery Fisher Hall, for both musical and acoustical reasons.)

For acoustical reasons, this proscenium was replaced with a broad, convex frame, crowned with a large golden hood that sticks out into the house like the underside of a monster's tongue.

Early in Mr. Cohen's tenure with the group, the players decided that for acoustical reasons, the cellist - then Bernard Greenhouse - should face the audience directly.

The room was vaguely egg-shaped for acoustical reasons, cut at one end by the flat surface of a screen and with space in the center for a realized image.

"Checking is mandatory in many European theaters for acoustical reasons."

I suspect that Isaac Stern's decision against an organ was not based on acoustical reasons in the first place.

For aesthetic and acoustical reasons, the main hall is now covered with parquet rather than carpeting, and new seats have been installed.

For acoustical reasons, Mr. Gleeson's room has a concrete floor; the walls at one end are covered with plaster and the others with carpet.

The notion of uncovering windows that were filled in during World War II - for blackout purposes, not acoustical reasons - is under discussion as well.