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Hall B (Exhibition Space) at Coex Convention & Exhibition Center

Published dimensions

Hall B (Exhibition Space) is 81 x 90 m (266 x 295 ft), 7,290 m² (78,469 sq ft), with a 9.5 m (31 ft) ceiling.

Plan view

LED wall that fits

Under a 9.5 m ceiling with 1.5 m trim and 0.3 m clearance you get 15 rows of 500 mm tile flown. Along the 90 m wall a Absen PL2.5 Plus V2 wall runs 144 x 15 (28800 x 3000 px, 16,848 kg, 345.6 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
Absen KLCOB 0.78	0.78 mm	120 x 22 = 2640	72 x 7.4 m	92160 x 9504	11,880 kg / 26,191 lb	233.6 kW, 1123 A @ 208 V
Absen PL2.5 Plus V2	2.5 mm	144 x 15 = 2160	72 x 7.5 m	28800 x 3000	16,848 kg / 37,143 lb	345.6 kW, 1662 A @ 208 V
Absen PL3.9 Plus V2	3.9 mm	144 x 15 = 2160	72 x 7.5 m	18432 x 1920	16,848 kg / 37,143 lb	302.4 kW, 1454 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, Hall B (Exhibition Space) holds about 16,013 theater seats, 6,550 banquet seats at rounds of 10, or 4,503 classroom seats. Back row in theater is roughly 83 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at Coex Convention & Exhibition Center

Hall A72 x 144 m (236 x 472 ft) · 9 m ceiling
Hall D81 x 81 m (266 x 266 ft) · 17.5 m ceiling
Grand Ballroom22.3 x 79 m (73 x 259 ft) · 4.5 m ceiling
Auditorium37 x 31 m (121 x 102 ft) · 3.1 m ceiling
Conference Room North 201-203(ASEM Ballroom)23 x 44.2 m (75 x 145 ft) · 3.7 m ceiling
Hall C21.9 x 43.9 m (72 x 144 ft) · 3.1 m ceiling
Hall B ( Swing Space)40 x 18 m (131 x 59 ft) · 6.2 m ceiling
Hall D ( Swing Space)40 x 18 m (131 x 59 ft) · 9.3 m ceiling
Conference Room South 40134 x 16 m (112 x 52 ft) · 7 m ceiling
Conference Room E519 x 19 m (62 x 62 ft) · 3.6 m ceiling
Conference Room North 20223 x 15.2 m (75 x 50 ft) · 3.7 m ceiling
Conference Room South 30726.8 x 12.9 m (88 x 42 ft) · 3.3 m ceiling

Published dimensions (source), fetched 2026-09-05. All rooms at Coex Convention & Exhibition Center · Venues in Seoul