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Plenary Hall 1-2-3 at Queen Sirikit National Convention Center

Published dimensions

Plenary Hall 1-2-3 is 43 x 110 m (141 x 361 ft), 4,730 m² (50,913 sq ft), with a 10 m (33 ft) ceiling.

Plan view

LED wall that fits

Under a 10 m ceiling with 1.5 m trim and 0.3 m clearance you get 16 rows of 500 mm tile flown. Along the 110 m wall a Absen A2 Pro wall runs 176 x 16 (29568 x 2688 px, 28,160 kg, 521 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
9thPanel DW1.9 S Pro	1.875 mm	146 x 24 = 3504	87.6 x 8.1 m	46720 x 4320	16,819 kg / 37,080 lb	890 kW, 4279 A @ 208 V
Absen A2 Pro	2.97 mm	176 x 16 = 2816	88 x 8 m	29568 x 2688	28,160 kg / 62,082 lb	521 kW, 2505 A @ 208 V
Absen A3 Pro	3.9 mm	176 x 16 = 2816	88 x 8 m	22528 x 2048	26,752 kg / 58,977 lb	450.6 kW, 2166 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, Plenary Hall 1-2-3 holds about 10,324 theater seats, 4,223 banquet seats at rounds of 10, or 2,903 classroom seats. Back row in theater is roughly 103 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at Queen Sirikit National Convention Center

Exhibition Hall C-1113 x 49 m (371 x 161 ft) · 2.4 m ceiling
Exhibition Hall C-2112 x 45 m (367 x 148 ft) · 2.5 m ceiling
Main Foyer108 x 17 m (354 x 56 ft) · 3.5 m ceiling
Plaza58 x 26 m (190 x 85 ft) · 8.5 m ceiling
Atrium80 x 17 m (262 x 56 ft) · 3 m ceiling
SalaThai26 x 46.5 m (85 x 153 ft) · 3.1 m ceiling
Boardroom 2113 x 9.5 m (371 x 31 ft) · 3 m ceiling
Reception Hall38.5 x 26 m (126 x 85 ft) · 6 m ceiling
Retro Live Café50 x 20 m (164 x 66 ft) · 3.5 m ceiling
Ballroom33 x 26.5 m (108 x 87 ft) · 6 m ceiling
Outdoor Zone D42.5 x 20 m (139 x 66 ft) · 3.1 m ceiling
Lotus Room40 x 15 m (131 x 49 ft) · 3 m ceiling

Published dimensions (source), fetched 2026-09-05. All rooms at Queen Sirikit National Convention Center · Venues in Bangkok