The phrase "auditorium pit" is correct and usable in written English.
It can be used to refer to the area in front of a stage in an auditorium where performers or equipment may be located, often used in the context of theater or concerts.
Example: "The sound engineers set up their equipment in the auditorium pit before the show began."
Alternatives: "orchestra pit" or "stage pit".
It's an excellent wee theatre, Milton Keynes, and not just because the authorities there are civilised enough to allow you to imbibe; a 1400-seater auditorium with a pit big enough to take a large orchestra (Welsh National Opera have toured Wozzeck here in the past), but with a Glyndebourne-esque sense of intimacy and immediacy.
Yet the Garsington pavilion really is fully functioning, complete not just with high-ceilinged auditorium, stage and pit, but also with boxes, champagne bar, verandas and stairs to parade up and down in fine summer frocks and dusted-down DJs – all the while looking out at that meandering view.
The auditorium filled from orchestra pit to balcony, and dozens more listened to his speech through outdoor speakers set up near the campus lawn.
The vertical marquee which had marked the theatre's presence from 1926 to 1980, was removed, the orchestra pit and auditorium seating were rebuilt, the dressing rooms moved, and the technical systems updated.
The pit of the auditorium becomes a Moscow ballroom where Anna seduces Vronsky away from Kitty on the dancefloor, an opera house and the St Petersburg council chamber where Karenin conducts his business.
The 6-foot-5 chief executive of Red Hat stands in the pit of a small auditorium at Stanford University's Gates (as in Bill) Computer Science Building.
The Baroque horseshoe-shaped auditorium, with its deep stage and orchestra pit, was generally in favour all over western Europe, fixing the design and style of opera houses in particular.
In 1997 the Maazels opened the Theater House, an elegant, rustic 130-seat auditorium with an ample stage and an orchestra pit that holds 20 players.
Wagner was responsible for several theatrical innovations at Bayreuth; these include darkening the auditorium during performances, and placing the orchestra in a pit out of view of the audience.
Brooklyn Tech's auditorium spans four floors and has a full stage and orchestra pit.
