Each 802 Series II loudspeaker uses eight 4 1/2" full-range
drivers mounted in
symmetric vertical pairs on a faceted "Articulated Array" baffle assembly.
The drivers feature low-impedance, edge-wound aluminum voice coils,
12-ounce Ferrite V ceramic magnets, and molded polyester frames. Their
advanced
cone and motor system give them high linear excursion capability and
power output.
Tuned reactive air columns reduce distortion by controlling the cone
excursion required to reproduce deep bass frequencies.
A built-in directivity control circuit maintains the vertical dispersion
pattern through the high-frequency range. It also protects the drivers
from
high-frequency overload.
The loudspeaker enclosure of the 802 Series II loudspeaker shall be
composed
of mica-reinforced polyethylene copolymer structural foam. Outer dimensions
of the
802 Series II loudspeaker shall be 13" (H) x 20 1/2"
(W) x 12 1/2" (D) (33 x 52 x 32 cm);
It's weight shall be 31 lb (14 kg).
The loudspeaker shall be the Bose 802 Series II loudspeaker system.
The loudspeaker system shall be supplied with a separate systems controller,
to be connected before the input(s) of the system power amplifier(s).
Frequency range: 55Hz - 16kHz
Nominal impedance: 8ohms
Maximum acoustic output: 114dB-SPL average, 123dB-SPL peak
Power handling capacity: 240W continuous pink noise, 55Hz - 16kHz
Recommended amplifier power: 240W minimum, 480W maximum
Sensitivity: Full-range, 91dB-SPL (1W, 1m)
Horizontal beamwidth:120 degrees
Vertical beamwidth: 100 degrees
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