5000 Series
•Screen Channel Systems
–5671 for small rooms (up to 250 seats)
•45,000 cu ft (1216 cu m)
–5672 for medium rooms (up to 500 seats)
•100,000 cu ft (2700 cu m)
–5674 for large rooms (up to 1200 seats)
•225,000 cu ft (6080 cu m)
•High Power Surround (use 8340A)
•Subwoofer (use 4645C)
The three systems in the 5000-series are normally specified according to seating capacity. The small system is intended for cinemas up to 250 seats, or a room volume up to 1216 cubic meters (45,000 cubic feet), while the middle system is intended for cinemas up to 500 seats, or a room volume of 2700 cubic meters (100,000 cubic feet). The large system is intended for use in cinemas up to 1200 seats, or a room volume of 6080 cubic meters (225,000 cubic feet).

JBL recommends the use of 8340 surround loudspeakers and 4645C subwoofers with the 5000-series.....