Grand Ballroom (all) at St. Charles Convention Center - Connected to Embassy Suites St. Louis St. Charles Hotel
Grand Ballroom (all) is 55.2 x 27.4 m (181 x 90 ft), 1,513 m² (16,280 sq ft), with a 6.7 m (22 ft) ceiling.
Open in 3D previzPlan view
LED wall that fits
Under a 6.7 m ceiling with 1.5 m trim and 0.3 m clearance you get 9 rows of 500 mm tile flown. Along the 55.2 m wall a Absen PL2.5 Plus V2 wall runs 88 x 9 (17600 x 1800 px, 6,178 kg, 126.7 kW).
| Panel | Pitch | Wall (cols x rows) | Size | Resolution | Weight | Power (max) |
|---|---|---|---|---|---|---|
| Absen KLCOB 0.78 | 0.78 mm | 73 x 14 = 1022 | 43.8 x 4.7 m | 56064 x 6048 | 4,599 kg / 10,139 lb | 90.4 kW, 435 A @ 208 V |
| Absen PL2.5 Plus V2 | 2.5 mm | 88 x 9 = 792 | 44 x 4.5 m | 17600 x 1800 | 6,178 kg / 13,619 lb | 126.7 kW, 609 A @ 208 V |
| Absen PL3.9 Plus V2 | 3.9 mm | 88 x 9 = 792 | 44 x 4.5 m | 11264 x 1152 | 6,178 kg / 13,619 lb | 110.9 kW, 533 A @ 208 V |
Wall sizing assumes 1.5 m trim to the bottom edge, 0.3 m clearance under the ceiling, and a wall no wider than 80% of the longest wall. Weight and power are tile totals from the panel spec sheet; add processing, rigging, and cable.
Seating estimate
After a 12 x 7 m stage, Grand Ballroom (all) holds about 3,174 theater seats, 1,298 banquet seats at rounds of 10, or 892 classroom seats. Back row in theater is roughly 48.2 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.
Other rooms at St. Charles Convention Center - Connected to Embassy Suites St. Louis St. Charles Hotel
- Expanded Exhibit Hall (Includes Jr. Ballroom)88.7 x 38.1 m (291 x 125 ft) · 7.6 m ceiling
- Combined Exhibit Hall67.7 x 38.1 m (222 x 125 ft) · 7.6 m ceiling
- Grand Ballroom A & B27.4 x 54.9 m (90 x 180 ft) · 6.7 m ceiling
- Grand Ballroom B & C27.4 x 54.9 m (90 x 180 ft) · 6.7 m ceiling
- North Exhibit Hall36 x 38.1 m (118 x 125 ft) · 7.6 m ceiling
- South Exhibit Hall31.7 x 38.1 m (104 x 125 ft) · 7.6 m ceiling
- Junior Ballroom (all)35.4 x 16.5 m (116 x 54 ft) · 5.5 m ceiling
- Grand Ballroom A13.7 x 27.4 m (45 x 90 ft) · 6.7 m ceiling
- Grand Ballroom B13.7 x 27.4 m (45 x 90 ft) · 6.7 m ceiling
- Grand Ballroom C13.7 x 27.4 m (45 x 90 ft) · 6.7 m ceiling
- Grand Ballroom D13.7 x 27.4 m (45 x 90 ft) · 6.7 m ceiling
- Junior Ballroom CD16.8 x 16.8 m (55 x 55 ft) · 4.9 m ceiling
Published dimensions (source), fetched 2026-09-05. All rooms at St. Charles Convention Center - Connected to Embassy Suites St. Louis St. Charles Hotel · Venues in St Charles