Bs 5839 8 Pdf 18
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Driver: Front-loaded, one 8 inch polypropylene cone with butyl rubber surround and one 1 inch polypropylene balanced dome tweeter with FerroFluid. Integrated backcan with 25/70.7/100-volt tap settings with transformer bypass position for ease of ordering, stocking and installation. Snap Cam four-point, spring-loaded mounting system for rapid installation. Quick-release mechanism for easy servicing. Ceramic input terminal accepts up to 10 gauge plenum rated signal wire and includes thermal fuse. Suitable for use in voice alarm applications subject to EU regulations EN60849 and BS5839-8.
The PC-1865BS is equipped with a fire dome to protect it from fire and to prevent fire from spreading through the ceiling. Thus, the speaker is designed according to British Standard BS 5839-8: 2013 and EN54-24.
The PC-series is available with a pair of 8 inch, a pair of 6 inch, a pair of 4 inch or single 2 inch dome tweeters. The speaker's long-term reliability is guaranteed by a ceramic input terminal which complies with EN60849 and BS5839-8 and in which the thermal fuse is integrated. The ceramic terminal in this way represents a significant design and construction option. It is independent from the mounting frame, so that the speaker can be used in applications not only with solid ceiling tiles, but also with light-weight wood, plasterboard or even floating ceiling panels.
The internal transformer of the PC-series is located in the backcan. This construction reduces the speaker's physical dimensions and allows the use of a thinner, lighter cover. The PC-series is available with a pair of 8 inch, a pair of 6 inch, a pair of 4 inch or single 2 inch dome tweeters. The speaker's long-term reliability is guaranteed by a ceramic input terminal which complies with EN60849 and BS5839-8 and in which the thermal fuse is integrated. The ceramic terminal in this way represents a significant design and construction option. It is independent from the mounting frame, so that the speaker can be used in applications not only with solid ceiling tiles, but also with light-weight wood, plasterboard or even floating ceiling panels.
For example, the speaker can be used for announcements in the following rooms: conference rooms, auditoriums, classrooms or lecture halls. Due to its compact dimensions and high sound quality, the PC-1865BS is ideally suitable for rooms of up to 8 m x 10 m. 827ec27edc