Spectrum, Indoor sports arena in South Philadelphia, US
Spectrum was an enclosed sports arena in South Philadelphia with 18,369 seats and a geometric facade of concrete and glass. The facility had four levels of seating, wide concourses, and a central floor that could be configured for hockey, basketball, and concerts.
The arena opened on September 30, 1967, as home to the Philadelphia Flyers and Philadelphia 76ers. The building closed in 2009 and was demolished two years later after both teams moved to newer facilities.
The arena earned the nickname "The House of Thunder" because of the loud crowds at hockey games and boxing matches. Fans remember the acoustics during concerts and the tight layout that brought athletes and audiences close together.
The facility stood at 3601 South Broad Street and was reachable by bus and subway lines. Visitors found concession stands and restrooms distributed across all four levels, with multiple entrances around the building.
On January 11, 1976, the Philadelphia Flyers played the Soviet Central Red Army and forced a 4-1 result after the visitors briefly left the ice. That game took place during a tour that symbolically charged hockey in the Cold War era.
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