CX 811 and CX 811E Flush Mount 2-Way Coaxial Ceiling Loudspeaker
are designed for high ceiling applications in a public address system
where directive sound projection is required. The unit consists
of a 200 mm 2-way coaxial speaker driver, capable of delivering
up to 106 dB of Sound Pressure Level (SPL). Coupled with the units
frequency response of 64 Hz ~ 20 kHz (CX 811) / 85 Hz ~ 20 kHz (CX
811E), it gives the units excellent speech and music reproduction
units built-in line matching transformer makes it suitable
for a 70 V and 100 V distributed speaker system. Multiple power tappings
on the transformer allows for outputs of 10, 5 and 2.5 W (100 V line
system) or 5, 2.5 and 1.3 W (70 V line system).
loudspeaker driver unit is mounted onto an aesthetically pleasing
265 mm circular metal grille finished with a matted surface in Pure
White (RAL 9010). The whole unit is spring mounted to the ceiling
board without any visible screw mounting holes and more importantly
without any hassle.
CX 811E features a metal black enclosure which prevents crosstalk
helps eliminate crosstalk within the ceiling cavity, while acoustic
damping material lining the enclosure reduces echoing.