Bose FreeSpace DS 16F Информационный лист - Страница 7

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1. Specifications

FreeSpace

DS 16F

Loudspeaker

Engineers' and Architects'

Specifications

The loudspeaker shall be a 16-watt, ported

loudspeaker system utilizing one 2.25" (57mm)

full-range driver. The loudspeaker shall be

designed for installation in ceilings up to 20ft

(6.1m) high. An optional pendant-mount

accessory allows the loudspeaker to be hung

from open ceilings.

The loudspeaker shall have a nominal rated

impedance of 8 ohms and shall be wired in

parallel with a line voltage matching (step-

down) transformer with a selector switch

appropriate for various output taps. The

loudspeaker input connections will allow

for direct connection to either 70V, 100V

or low-impedance amplifiers.

Exposed cosmetic surfaces of the loudspeaker

shall be paintable, and the acoustically trans-

parent grille component shall be formed of

powder-coated steel.

Each loudspeaker shall have a bandwidth of

90 Hz – 16 kHz and a maximum continuous

acoustic output of 96 dB-SPL, referenced to a full

bandwidth pink noise input at 1 meter at the

loudspeaker's rated power. The input connection

shall consist of a three-position barrier connector

with a pre-wired ceramic connector. The loud-

speaker shall meet numerous standards for

combination music and evacuation systems

around the world.

Power settings available shall be: 1W, 2W, 4W,

8W, 16W @ 70V; 2W, 4W, 8W, 16W @ 100V;

and 16W @ 8Ω (when referenced to IEC noise

for 100 hours). The nominal dispersion shall be

140° conical coverage pattern at -6 dB

(average 1 – 4 kHz).

The loudspeaker shall be the Bose

DS 16F loudspeaker.

Safety and Regulatory Compliance

The FreeSpace DS 16F loudspeaker has passed

extensive testing and complies with the following

specifications and uses:

Listed to ANSI/UL 1480-2005

• Fire Protective Signaling Use – UL Category

UUMW, File Number S 3241. Control Number

42S9. Not for use with DC-supervised systems.

• General-Purpose Use – UL Category UEAY, File

Number S 5591 Control Number 3N89.

• Suitable for use indoors in damp locations.

• Suitable for installation using Class 1, Class 2 or

Class 3 wiring methods in accordance with NFPA

70, National Electric Code, 2002, Article 640.

• Suitable for use with fire alarm circuit wiring

methods in accordance with NFPA 70, National

Electric Code, 2002, Article 760.

• Suitable for use in air handling plenum spaces

with a model PC-16 Plenum Cover installed.

• UL-2043, Fire Test and Visible Smoke Release

for Discrete Products and their Accessories

Installed in Air Handling Spaces.

• NFPA 70, National Electric Code, 2002, Article

300-22 (c).

• NFPA 90-A, 2002, Installation of Air

Conditioning and Ventilation Systems,

Paragraph 4.3.10.2.6.5.

• EMC Directive 89/336/EEC and Article 10 (1) of

the directive, EN50081-1 and EN50082-1 as

signified by the CE mark.

The DS 16F also has been designed to the

requirements defined in the following European

regulatory specifications for combination systems:

• British Standard Code of Practice BS 5839, Part

8 (with PC-16).

FreeSpace

• Tested to IEC60268-5.

Limited Warranty

The FreeSpace DS 16F loudspeaker is covered by

a five-year transferable limited warranty.

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