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Ballroom B/C at Ontario Convention Center an SMG Managed Facility

Published dimensions

Ballroom B/C is 42.3 x 30.1 m (139 x 99 ft), 1,273 m² (13,705 sq ft), with a 7.7 m (25 ft) ceiling.

Plan view

LED wall that fits

Under a 7.7 m ceiling with 1.5 m trim and 0.3 m clearance you get 11 rows of 500 mm tile flown. Along the 42.3 m wall a Absen A2 Pro wall runs 67 x 11 (11256 x 1848 px, 7,370 kg, 136.3 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
9thPanel DW1.9 S Pro	1.875 mm	56 x 17 = 952	33.6 x 5.7 m	17920 x 3060	4,570 kg / 10,074 lb	241.8 kW, 1163 A @ 208 V
Absen A2 Pro	2.97 mm	67 x 11 = 737	33.5 x 5.5 m	11256 x 1848	7,370 kg / 16,248 lb	136.3 kW, 656 A @ 208 V
Absen A3 Pro	3.9 mm	67 x 11 = 737	33.5 x 5.5 m	8576 x 1408	7,002 kg / 15,436 lb	117.9 kW, 567 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, Ballroom B/C holds about 2,642 theater seats, 1,081 banquet seats at rounds of 10, or 743 classroom seats. Back row in theater is roughly 35.3 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at Ontario Convention Center an SMG Managed Facility

Exhibit Hall A/B71.6 x 89.9 m (235 x 295 ft) · 8.5 m ceiling
Exhibit Hall A71.6 x 53.9 m (235 x 177 ft) · 8.5 m ceiling
Exhibit Hall B71.6 x 36 m (235 x 118 ft) · 8.5 m ceiling
Ballroom A/B/C30.1 x 60.5 m (99 x 198 ft) · 7.7 m ceiling
Ballroom A/B36.5 x 30 m (120 x 98 ft) · 7.7 m ceiling
Ballroom C24.3 x 29.9 m (80 x 98 ft) · 7.7 m ceiling
Exhibit Hall Prefunction25.9 x 25.9 m (85 x 85 ft) · 3.1 m ceiling
Ballroom A18.2 x 30.1 m (60 x 99 ft) · 7.7 m ceiling
Ballroom B18.2 x 30.1 m (60 x 99 ft) · 7.7 m ceiling
Ballroom Prefunction21.7 x 21.7 m (71 x 71 ft) · 3.1 m ceiling
Meeting Room 203 A/B/C19.3 x 18.8 m (63 x 62 ft) · 4.3 m ceiling
Meeting Room 200 A/B/C18.9 x 17.6 m (62 x 58 ft) · 4.3 m ceiling

Published dimensions (source), fetched 2026-09-05. All rooms at Ontario Convention Center an SMG Managed Facility · Venues in Ontario