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Product Description
The DS 16F loudspeaker is a 16-watt, ported loudspeaker system utilizing one 2.25" (57mm)
full-range driver. The loudspeaker is 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 has a nominal ratedimpedance of 8 ohms and is wired in parallel with a line
voltage matching (step-down) transformer with a selector switch appropriate for various output
taps. The loudspeaker input connections allow for direct connection to either 70V, 100V or low-
impedance amplifiers.
Exposed cosmetic surfaces of the loudspeaker are paintable, and the acoustically transparent
grille component is formed of powder-coated steel.
Each loudspeaker has 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 consists of a three-position barrier connector with a pre-wired ceramic
connector. The loudspeaker meets numerous standards for combination music and evacuation
systems around the world.
Power settings available are: 1W, 2W, 4W, 8W, 16W @ 70V; 2W, 4W, 8W, 16W @ 100V; and
16W @ 8½ (when referenced to IEC noisefor 100 hours). The nominal dispersion is 140°conical
coverage pattern at -6 dB (average 1 – 4 kHz).
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 CategoryUUMW, File Number S 3241. Control
Number42S9. Not for use with DC-supervised systems.
• General-Purpose Use – UL Category UEAY, FileNumber S 5591 Control Number 3N89.
• Suitable for use indoors in damp locations.
• Suitable for installation using Class 1, Class 2 orClass 3 wiring methods in accordance with
NFPA70, National Electric Code, 2002, Article 640.
• Suitable for use with fire alarm circuit wiringmethods in accordance with NFPA 70,National
Electric Code, 2002, Article 760.
• Suitable for use in air handling plenum spaceswith a model PC-16 Plenum Cover installed.
• UL-2043, Fire Test and Visible Smoke Releasefor Discrete Products and their Accessories
Installed in Air Handling Spaces.
• NFPA 70, National Electric Code, 2002, Article300-22 (c).
• NFPA 90-A, 2002, Installation of Air Conditioningand Ventilation Systems, Paragraph
4.3.10.2.6.5.
• EMC Directive 89/336/EEC and Article 10 (1) ofthe directive, EN50081-1 and EN50082-1 as
signified by the CE mark.
The DS 16F also has been designed to therequirements defined in the following
Europeanregulatory specifications for combination systems:
• British Standard Code of Practice BS 5839, Part8 (with PC-16).
• Tested to IEC60268-5.
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General
Weight and Dimensions
