Three mounting points at the rear of the enclosure for use with optional accessory pendant mount kit. Three integrated quick-install mounting arms. Optional accessory available for use when ceramic connector and thermal fuse are required. Three-terminal barrier strip two-terminal barrier strip (8 ohm variant). ![]() Polypropylene (front baffle), powder-coated steel (rear enclosure) This Bose contractor pack includes six FreeSpace DS 40F ceiling speakers, the most versatile member of the DS loudspeaker family and six tile bridges. Supported by a suite of accessories, including ceiling-mount bracket, adjustable tile bridge, pendant-mount kit and square grille The Food Safety and Inspection Service is responsible for ensuring that meat, poultry, Siluriformes, and eggs are safe and are properly labeled and packaged.Shared voicing across entire FreeSpace DS product family enables DS 16, DS 40 and DS 100 loudspeakers to be integrated on the same system and maintain consistent tonal quality.Shortcan design allows installation in shallower ceilings with minimum depth of 6.4″ (163 mm).Integrated multi-tap transformer with innovative thumb wheel adjustment for easy-to-change tap setting from underneath the loudspeaker grille.Full-range loudspeaker with a single 4.5″ (114 mm) driver in a ported enclosure to deliver a 125° conical coverage pattern and clear, intelligible music and speech reproduction for flush-ceiling or pendant-mount applications.NFPA 90-A, 2008, Installation of Air Conditioning and Ventilation Systems, Paragraph 4.3.11.2.6.Bose FreeSpace DS 40F loudspeaker – Doneo Malta Technical Summary.NFPA 70, National Electric Code, 2008, Article 300-22 (c).UL-2043, Fire Test and Visible Smoke Release for Discrete Products and their Accessories Installed in Air Handling Spaces.Suitable for use in air handling (plenum) spaces.Suitable for use with fire alarm circuit wiring methods in accordance with NFPA 70, National Electric Code, 2008, Article 760.Suitable for installation using Class 1, Class 2 or Class 3 wiring methods in accordance with NFPA 70, National Electric Code, 2008, Article 640.Suitable for use indoors in damp locations.General-purpose use – UL Category UEAY, File Number S 5591 Control Number 3N89.Fire protective signaling use – UL Category UUMW, File Number S 3241.And it is available in both black and white.įreeSpace DS 40F loudspeakers have passed extensive testing and comply with the following specifications and uses: Its tap can be set from the front of the loudspeaker by turning a thumb wheel. In fact, the DS 40F is compatible with all the same installation accessories as the DS 100F. The loudspeaker can be suspended from open ceilings with a pendant-mount kit accessory. Flush-mount installation is quick and easy, thanks to the three integrated mounting anchors. Also, the 8 ohm variant simply has a two-terminal barrier strip for positive and negative connections. Since there is no transformer, the 8 ohm variant weighs only 6.3 lb (2.8 kg). It features all the same installation methods as the FreeSpace DS 16F and DS 100F loudspeakers. The FreeSpace DS 40F 8 ohm variant is just like the standard DS 40F, but without a transformer. In addition, it does not require active equalization and is voiced to sound similar to the other FreeSpace DS loudspeakers (DS 16, DS 100).īeyond improvements in performance, the FreeSpace DS 40F features several significant installation improvements and provides more overall flexibility. These improvements allow this loudspeaker to play louder with less distortion. ![]() The new DS 40F driver features design improvements that allow for better sensitivity, higher power handling and greater acoustic output. Like these classic products, the FreeSpace DS 40F delivers even frequency response without any crossover abnormalities, and provides a high level of reliability. ![]() The FreeSpace DS 40F builds upon the Bose core technology of such classic loudspeakers as the FreeSpace Model 32 and 102F by utilizing a 4.5" (114 mm) HVC (Helical Voice Coil) full-range driver.
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