Bose Panaray 502B Teknik Bilgiler - Sayfa 2

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System Description

The Bose

Panaray

502

fully modular system which

represents significant advances in

loudspeaker array, low-frequency

transducer, and system control

technology. Components of the basic

Panaray 502 system, which are sold

separately, include two 502 A con-

trolled arrays, one 502 B Acousti-

mass

enclosure, and one Panaray

system digital controller. This basic

system provides up to 122dB peak

SPL (at 1 meter, driven with maxi-

mum recommended amplifier power)

over the 55Hz to 15kHz range.

Extensive research has yielded new

technology in array design which,

using a proprietary arrangement of

Bose 4.5-inch full-range drivers,

results in tightly controlled horizontal

and vertical beamwidth, and ex-

tremely smooth band-to-band

directivity. The system also features

a new, compact low-frequency

enclosure using Bose-patented

Acoustimass technology. The

Panaray 502 system is a highly

aesthetic voice or music sound

reinforcement system for permanent

audio installations in theaters,

auditoriums, churches, nightclubs,

transportation facilities, and other

places where people gather to be

entertained, enlightened, or informed.

Component Description

The 502 A controlled array is a mid-

to high-frequency component of the

Panaray 502 system. It features five

new-design 4.5" (11.4 cm) helical

voice coil drivers in a slim, elegantly

designed enclosure. The result is

natural sounding, extremely even

coverage at all frequencies over the

entire listening area.

*Directivity is the ratio, in each one-third octave band, of the average response in the nominal 120º x 70º polar window, to the average response

over the entire solid angle about the source.

system is a

*Beamwidth is the -6dB point, in each one-third octave band, on a polar plot representing the

average within ten degrees of the horizontal and vertical planes about the array.

It can be used with either the 502 B

Acoustimass enclosure for full-

frequency sound reinforcement, or

separately for voice-only reinforce-

ment systems.

The 502 A controlled array is de-

signed for installation in a variety of

configurations, using its integral 10x

safety-rated attachment points, and

Bose suspension and mounting

accessories. The baffle and rear panel

are constructed of high-strength

structural foam, and the speaker grille

is constructed of a durable perforated

steel. It is available in both Profes-

sional Gray and Arctic White, and

both the enclosure and grille are fully

paintable to match interior décor.

The 502 B Acoustimass enclosure

uses a single high-power-handling,

high-reliability 12" (30 cm) woofer.

This new Bose-designed low-

frequency transducer features a high-

temperature, 4" (10.2 cm) voice coil,

cast aluminum basket, and a high-

durability rubber surround. The 502 B

speaker provides clear, deep bass

reinforcement from a small enclosure,

using patented Bose Acoustimass

speaker technology. Its low cross

over frequency results in a non-

localizable sound source, which

allows it to be unobtrusively in-

stalled apart from the 502 A arrays.

The enclosure is fitted with 10x

safety-rated attachment points (top

and bottom) for mounting in a

variety of orientations.

Two-point suspension is easy to

accomplish using the Bose CSB-5B

suspension bracket. The 502 B is

available in both Professional Gray

and Arctic White, and is covered

with a scratch-resistant vinyl, which

can be painted to match any décor.

The Panaray system digital control-

ler is a single rack-space device

which provides crossover functions,

active electronic equalization, and

dual-channel signal processing for

both the 502 A and 502 B.

An optional plug-in card is available

for Bose amplifiers, which allows

502 A controlled arrays to be

combined in a sound-system

design with the Acoustic Wave

Cannon

system.

™

The Panaray 502 system includes a

complete line of accessories for

suspending or mounting both the

502 A and 502 B in a wide variety of

configurations.