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Congress Hall Foyer 1B at Kongresové centrum Praha

Published dimensions

Congress Hall Foyer 1B is 20 x 35 m (66 x 115 ft), 700 m² (7,535 sq ft), with a 3.3 m (11 ft) ceiling.

Plan view

LED wall that fits

Under a 3.3 m ceiling with 1.5 m trim and 0.3 m clearance you get 2 rows of 500 mm tile flown, which is tight; ground-stack or go lower on trim. Along the 35 m wall a Absen PL2.5 Plus V2 wall runs 56 x 2 (11200 x 400 px, 874 kg, 17.9 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
Absen KLCOB 0.78	0.78 mm	46 x 4 = 184	27.6 x 1.4 m	35328 x 1728	828 kg / 1,825 lb	16.3 kW, 78 A @ 208 V
Absen PL2.5 Plus V2	2.5 mm	56 x 2 = 112	28 x 1 m	11200 x 400	874 kg / 1,926 lb	17.9 kW, 86 A @ 208 V
Absen PL3.9 Plus V2	3.9 mm	56 x 2 = 112	28 x 1 m	7168 x 256	874 kg / 1,926 lb	15.7 kW, 75 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, Congress Hall Foyer 1B holds about 1,368 theater seats, 560 banquet seats at rounds of 10, or 385 classroom seats. Back row in theater is roughly 28 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at Kongresové centrum Praha

Congress Hall54 x 50 m (177 x 164 ft) · 19.5 m ceiling
Congress Hall - Parterre54 x 50 m (177 x 164 ft) · 19.5 m ceiling
Congress Hall - Reduced Parterre54 x 50 m (177 x 164 ft) · 19.5 m ceiling
Congress Hall Foyer 3A37 x 55 m (121 x 180 ft) · 3 m ceiling
Congress Hall Foyer 3B37 x 55 m (121 x 180 ft) · 3 m ceiling
Congress Hall Foyer 4A37 x 55 m (121 x 180 ft) · 3 m ceiling
Congress Hall Foyer 4B37 x 55 m (121 x 180 ft) · 3 m ceiling
Forum Hall Foyer 1st floor27 x 70 m (89 x 230 ft) · 3.3 m ceiling
Winter Garden17 x 105 m (56 x 344 ft) · 3.7 m ceiling
Forum Hall Foyer 2nd floor25 x 70 m (82 x 230 ft) · 7.5 m ceiling
Congress Hall Foyer 0A32 x 54 m (105 x 177 ft) · 3.5 m ceiling
Forum Hall35 x 47 m (115 x 154 ft) · 19.4 m ceiling

Published dimensions (source), fetched 2026-09-05. All rooms at Kongresové centrum Praha · Venues in Prague