Technical Packet - Acoustic Shell & Curtains

Prudential Hall - Accustic Shell & Curtains

Concert Towers
There are 11 concert towers, each 9’-0” wide by 29’-9” high that form the walls of the shell. Preset positions available are: Standard Orchestra, Orchestra with Chorus, and Recital. Within each tower are 2 sets of acoustic control panels as well as Production and Architectural lighting.

Concert Ceiling
The ceiling covers the entire stage house at a height of 37’-0” DS to 32’-0” US. The maximum height for drops that can be stored above the ceiling is 40’.

Forestage Reflector
The forestage reflector is used in conjunction with the concert shell. This reflector extends 36’-0” into the house and does kill some seats in the highest levels. No Longer Operational

Shell Storage
The ceiling and towers all store along the wall US. The stage house is clear to 49-0” US of the smoke pocket. The reflector stores DS of the proscenium and above the architectural valance.

Acoustic Curtains
The acoustic curtains are motor-controlled absorption/diffusion panels. There are 2 settings – deployed and stored.

Orchestra Shell Celling Rigging Points
All points were measured from fire pocket:
Max Point Load 1000 Pounds

Downstage Points: ( No clear path to grid- these points are in line with the ceiling truss)
SL SR
10' - 7 1⁄2” (From pocket) 3' - 11 3/4" (SL) 10' - 7 1⁄2” 4' - 1⁄2 '' (SR)
10' - 7 1⁄2” 12'- 1 3/4" 10' - 7 1⁄2” 12' - 5"
10' - 7 1⁄2” 20' - 5" 10' - 7 1⁄2” 20' - 6"
10' - 7 1⁄2” 28' - 6 1/2" 10' - 7 1⁄2” 28' - 8"
10' - 7 1⁄2” 36' - 9 1/4" 10' - 7 1⁄2” 36' - 11"

Midstage Points: (Clearish path to the grid- these points are in between DS & US Ceiling)
SL SR
20' - 11" (From Pocket) 3' - 9 1/4" (SL) 21' 4' - 2 3/4" (SR)
21' - 0” 12' - 1” 21' - 1/2" 12’ - 4"
21' - 1/2" 20' - 3" 21' - 1/2" 20' - 6 3/4"
21' - 1/2" 28' - 5" 21' - 0” 28' - 9 1/4"
21' - 1" 36' - 7 3/4" 20' - 11 1⁄2” 36' - 11"

Upstage Points: (No clear path to grid- these points are in line with the ceiling truss)
SL SR
40' - 3" (From Pocket) 3' - 7 1/4" (SL) 40' - 3 1/4" 4' - 4 1/4" (SR)
40' - 4” 11' - 11 3/4" 40' - 1" 12' - 8 3/4"
40' - 4 1/4" 20' - 2" 39' -11 1⁄2” 21' - 1"
40' - 4" 28' 2" 40' - 0” 28' - 11 1⁄2”
40' - 3 1⁄2” 36' - 4 1/4 40' - 0” 37' - 2"