Home / Venues / Huntington Convention Center of Cleveland / Grand Ballroom AB

Grand Ballroom AB at Huntington Convention Center of Cleveland

Published dimensions

Grand Ballroom AB is 49.1 x 40.2 m (161 x 132 ft), 1,974 m² (21,246 sq ft), with a 7.6 m (25 ft) ceiling.

Plan view

LED wall that fits

Under a 7.6 m ceiling with 1.5 m trim and 0.3 m clearance you get 11 rows of 500 mm tile flown. Along the 49.1 m wall a Absen A2 Pro wall runs 78 x 11 (13104 x 1848 px, 8,580 kg, 158.7 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
9thPanel DW1.9 S Pro	1.875 mm	65 x 17 = 1105	39 x 5.7 m	20800 x 3060	5,304 kg / 11,693 lb	280.7 kW, 1349 A @ 208 V
Absen A2 Pro	2.97 mm	78 x 11 = 858	39 x 5.5 m	13104 x 1848	8,580 kg / 18,915 lb	158.7 kW, 763 A @ 208 V
Absen A3 Pro	3.9 mm	78 x 11 = 858	39 x 5.5 m	9984 x 1408	8,151 kg / 17,970 lb	137.3 kW, 660 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 AB holds about 4,199 theater seats, 1,717 banquet seats at rounds of 10, or 1,181 classroom seats. Back row in theater is roughly 42.1 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at Huntington Convention Center of Cleveland

Exhibit Hall ABC166.7 x 192.3 m (547 x 631 ft) · 12.2 m ceiling
Exhibit Hall BC96.9 x 192.3 m (318 x 631 ft) · 12.2 m ceiling
Exhibit Hall AB166.7 x 93.9 m (547 x 308 ft) · 9.1 m ceiling
Exhibit Hall C96.6 x 98.8 m (317 x 324 ft) · 12.2 m ceiling
Exhibit Hall B96.6 x 93.9 m (317 x 308 ft) · 9.1 m ceiling
Exhibit Hall A75.4 x 64.4 m (247 x 211 ft) · 9.1 m ceiling
Grand Ballroom ABC73.8 x 40.8 m (242 x 134 ft) · 7.3 m ceiling
Grand Ballroom BC50.3 x 40.8 m (165 x 134 ft) · 7.6 m ceiling
Atrium Ballroom ABCDEF43.1 x 43.1 m (141 x 141 ft) · 3.1 m ceiling
Atrium Ballroom ABDE34.8 x 34.8 m (114 x 114 ft) · 3.1 m ceiling
The Loft33.9 x 33.9 m (111 x 111 ft) · 3.1 m ceiling
Grand Ballroom C25.6 x 40.8 m (84 x 134 ft) · 7.6 m ceiling

Published dimensions (source), fetched 2026-09-04. All rooms at Huntington Convention Center of Cleveland · Venues in Cleveland