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B21ab at Greater Richmond Convention Center

Published dimensions

B21ab is 40.2 x 41.1 m (132 x 135 ft), 1,652 m² (17,784 sq ft), with a 9.8 m (32 ft) ceiling.

Plan view

LED wall that fits

Under a 9.8 m ceiling with 1.5 m trim and 0.3 m clearance you get 15 rows of 500 mm tile flown. Along the 41.1 m wall a Absen PL2.5 Plus V2 wall runs 65 x 15 (13000 x 3000 px, 7,605 kg, 156 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
Absen KLCOB 0.78	0.78 mm	54 x 23 = 1242	32.4 x 7.8 m	41472 x 9936	5,589 kg / 12,322 lb	109.9 kW, 528 A @ 208 V
Absen PL2.5 Plus V2	2.5 mm	65 x 15 = 975	32.5 x 7.5 m	13000 x 3000	7,605 kg / 16,766 lb	156 kW, 750 A @ 208 V
Absen PL3.9 Plus V2	3.9 mm	65 x 15 = 975	32.5 x 7.5 m	8320 x 1920	7,605 kg / 16,766 lb	136.5 kW, 656 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, B21ab holds about 3,484 theater seats, 1,425 banquet seats at rounds of 10, or 980 classroom seats. Back row in theater is roughly 34.1 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at Greater Richmond Convention Center

Ehabcd83.5 x 197.2 m (274 x 647 ft) · 10.7 m ceiling
Ehabc83.5 x 152.7 m (274 x 501 ft) · 10.7 m ceiling
Ehbcd83.5 x 123.4 m (274 x 405 ft) · 10.7 m ceiling
Ehab83.5 x 112.8 m (274 x 370 ft) · 10.7 m ceiling
Ehcd83.5 x 83.8 m (274 x 275 ft) · 10.7 m ceiling
Ehbc83.5 x 75.6 m (274 x 248 ft) · 10.7 m ceiling
Eha83.5 x 75 m (274 x 246 ft) · 10.7 m ceiling
Ehd83.5 x 46 m (274 x 151 ft) · 10.7 m ceiling
Ehb83.5 x 37.8 m (274 x 124 ft) · 10.7 m ceiling
Ehc83.5 x 37.8 m (274 x 124 ft) · 10.7 m ceiling
Grand Ballroom B21abc40.2 x 61.9 m (132 x 203 ft) · 9.8 m ceiling
B21bc40.2 x 41.1 m (132 x 135 ft) · 9.8 m ceiling

Published dimensions (source), fetched 2026-09-05. All rooms at Greater Richmond Convention Center · Venues in Richmond