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Home / Venues / Cobb Convention Center - Atlanta (formerly Cobb Galleria Centre) / Chattahoochee Ballroom (Opening January 2026)

Chattahoochee Ballroom (Opening January 2026) at Cobb Convention Center - Atlanta (formerly Cobb Galleria Centre)

Published dimensions

Chattahoochee Ballroom (Opening January 2026) is 38.1 x 61 m (125 x 200 ft), 2,324 m² (25,016 sq ft), with a 7.3 m (24 ft) ceiling.

Open in 3D previz

Plan view

38.1 m / 125 ft61 m / 200 ft grid 10 m

LED wall that fits

Under a 7.3 m ceiling with 1.5 m trim and 0.3 m clearance you get 11 rows of 500 mm tile flown. Along the 61 m wall a Absen PL2.5 Plus V2 wall runs 97 x 11 (19400 x 2200 px, 8,323 kg, 170.7 kW).

PanelPitchWall (cols x rows)SizeResolutionWeightPower (max)
Absen KLCOB 0.780.78 mm81 x 16 = 129648.6 x 5.4 m62208 x 69125,832 kg / 12,857 lb114.7 kW, 551 A @ 208 V
Absen PL2.5 Plus V22.5 mm97 x 11 = 106748.5 x 5.5 m19400 x 22008,323 kg / 18,348 lb170.7 kW, 821 A @ 208 V
Absen PL3.9 Plus V23.9 mm97 x 11 = 106748.5 x 5.5 m12416 x 14088,323 kg / 18,348 lb149.4 kW, 718 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, Chattahoochee Ballroom (Opening January 2026) holds about 4,978 theater seats, 2,036 banquet seats at rounds of 10, or 1,400 classroom seats. Back row in theater is roughly 54 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at Cobb Convention Center - Atlanta (formerly Cobb Galleria Centre)

Published dimensions (source), fetched 2026-09-05. All rooms at Cobb Convention Center - Atlanta (formerly Cobb Galleria Centre) · Venues in Atlanta

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