Communications Systems | MCS 3500 Modular Ceiling Loudspeaker System The MCS 3500 Modular Ceiling Loudspeaker System removes the need to compromise between acoustic performance and aesthetic appeal. Three high‑quality loudspeaker units can be fitted with metal or ABS grille finished in a neutral RAL white colour. There is a standard 6 W model, a high-performance 12 W model and a powerful 24 W model. They are suitable for excellent speech and music in indoor public address applications. The range also includes a metal fire dome, and surface mounting box. The loudspeaker units and back box include provision for mounting the optional line/ loudspeaker supervision board. Functions Voice alarm loudspeakers are specifically designed for use in buildings where performance of systems for verbal evacuation announcements is governed by regulations. The MCS 3500 range is designed for use in voice alarm systems and is compliant with British standard BS 5839-8 and EN 60849. The loudspeaker has built-in protection to ensure that, in the event of a fire, damage to the loudspeaker does not result in failure of the circuit to which it is connected. In this way, system integrity is maintained, ensuring loudspeakers in other areas can still be used to inform people of the situation. The loudspeaker has a ceramic terminal block, thermal fuse and heat-resistant, high- temperature wiring. It can also be fitted with an optional fire-dome to increase protection of the cable termination. The MCS 3500 loudspeaker units are equipped with dynamic tri-cone loudspeakers with exceptional audio performance in prestigious ‘Prosound’ applications. The transducer frame is made from high-impact glass reinforced thermosetting polyester material for maximum rigidity and excellent sound quality free from unwanted vibrations. The frame includes a bass reflex port for improved low frequency response. Certifications and Approvals All Bosch loudspeakers are designed to withstand operating at their rated power for 100 hours in accordance with IEC 268‑5 Power Handling Capacity (PHC) standards. Bosch has also developed the Simulated Acoustical Feedback Exposure (SAFE) test to demonstrate that they can withstand two times their rated power for short durations. This ensures extra reliability under extreme conditions, leading to higher customer satisfaction, longer operating life, and much less chance of failure or performance deterioration. All plastic parts are self extinguishing according to UL 94 V0. MCS 3500 Modular Ceiling Loudspeaker System ▶ Innovative tri-cone loudspeaker ▶ Excellent speech and music reproduction ▶ No compromise between acoustics and aesthetics ▶ Constant directivity with wave guide grille ▶ Predictable sound quality with (optional back box) ▶ Metal fire dome (DIN 4102 certified) ▶ Installation friendly ▶ BS 5839-8 and EN 60849 compliant www.boschsecurity.com
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MCS 3500 Modular Ceiling Loudspeaker System€¦The MCS 3500 range is designed for use in voice alarm systems and is compliant with British standard BS 5839-8 and EN 60849. The loudspeaker
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Communications Systems | MCS 3500 Modular Ceiling Loudspeaker System
The MCS 3500 Modular Ceiling Loudspeaker Systemremoves the need to compromise between acousticperformance and aesthetic appeal. Three high‑qualityloudspeaker units can be fitted with metal or ABS grillefinished in a neutral RAL white colour. There is a standard6 W model, a high-performance 12 W model and apowerful 24 W model. They are suitable for excellentspeech and music in indoor public address applications.The range also includes a metal fire dome, and surfacemounting box. The loudspeaker units and back boxinclude provision for mounting the optional line/loudspeaker supervision board.
Functions
Voice alarm loudspeakers are specifically designed for usein buildings where performance of systems for verbalevacuation announcements is governed by regulations.The MCS 3500 range is designed for use in voice alarmsystems and is compliant with British standard BS 5839-8and EN 60849.
The loudspeaker has built-in protection to ensure that, inthe event of a fire, damage to the loudspeaker does notresult in failure of the circuit to which it is connected. Inthis way, system integrity is maintained, ensuringloudspeakers in other areas can still be used to informpeople of the situation. The loudspeaker has a ceramic
terminal block, thermal fuse and heat-resistant, high-temperature wiring. It can also be fitted with an optionalfire-dome to increase protection of the cable termination.
The MCS 3500 loudspeaker units are equipped withdynamic tri-cone loudspeakers with exceptional audioperformance in prestigious ‘Prosound’ applications.
The transducer frame is made from high-impact glassreinforced thermosetting polyester material for maximumrigidity and excellent sound quality free from unwantedvibrations. The frame includes a bass reflex port forimproved low frequency response.
Certifications and Approvals
All Bosch loudspeakers are designed to withstandoperating at their rated power for 100 hours inaccordance with IEC 268‑5 Power Handling Capacity(PHC) standards. Bosch has also developed the SimulatedAcoustical Feedback Exposure (SAFE) test to demonstratethat they can withstand two times their rated power forshort durations. This ensures extra reliability underextreme conditions, leading to higher customersatisfaction, longer operating life, and much less chanceof failure or performance deterioration. All plastic partsare self extinguishing according to UL 94 V0.
MCS 3500 Modular Ceiling LoudspeakerSystem
▶ Innovative tri-cone loudspeaker
▶ Excellent speech and music reproduction
▶ No compromise between acoustics and aesthetics
▶ Constant directivity with wave guide grille
▶ Predictable sound quality with (optional back box)
▶ Metal fire dome (DIN 4102 certified)
▶ Installation friendly
▶ BS 5839-8 and EN 60849 compliant
www.boschsecurity.com
2 | MCS 3500 Modular Ceiling Loudspeaker System
Region Certification
Europe CE Declaration of Conformity
Poland CNBOP
Safety acc. to EN 60065
EVAC acc. to BS 5839-8
*Water and dust protect-ed
acc. to EN 60529. IP32
Note *Only in combination with the LBC 3665/00Back Box.
Installation/Configuration Notes
InstallationThe MCS 3500 series is very installation friendly. A cuttingtemplate is supplied with each unit, and the loudspeakerframe is secured in ceilings up to 50 mm (2 in) thick usingthree integral screw clamps. A safety cord allows theinstaller to temporarily hang the loudspeaker unit on theceiling support frame during installation. This ‘third hand’is particularly useful when working on ladders or inconfined areas. It also provides extra reassurance afterinstallation.
Terminal blockConnections are made using a screw terminal block onthe frame. This block enables loop-through wiring. Cablesare fed through a channel in the loudspeaker frame,enabling wiring to be carried out from the front once theloudspeaker assembly has been mounted. Power tappingon the 100 V matching transformer allows selection of full-power, half-power or quarter-power radiation. A switch atthe front of the frame simplifies selection of powersetting.
LBC 3601/01 Circular Metal GrilleThe LBC 3601/01 is a circular metal grille with aperforated pattern with quick bayonet fitting for securingto the loudspeaker frame.
LBC 3602/01 Circular ABS GrilleThe LBC 3602/01 is made from self‑extinguishing ABSmaterial with an attractive perforation pattern with quickbayonet fitting for securing to the loudspeaker frame.
LBC 3603/01 Wave Guide GrilleThe LBC 3603/01 wave guide grille is a breakthrough inceiling loudspeaker technology. It ensures a wide andequal spread of the important frequency octaves forspeech intelligibility and music clarity, giving theMCS 3500 constant directivity. Fewer loudspeakers areneeded to cover a given area, and the noticeable ‘fading’that can occur as a listener walks from one loudspeaker to
another area is eliminated. The wave guide grille can beapplied on all loudspeaker units, although it is acousticaloptimized for the LBC 3530/40.
The LBC 3603/01 wave guide grille is supplied with thewave guide. The grille features quick bayonet fittings forsecuring to the loudspeaker frames.
LBC 3665/00 Back BoxThe LBC 3665/00 back box can be secured onto the backof the loudspeaker frame (fitted as standard on the 24 WLBC 3530/40). This results in a bass reflex enclosure forvery predictable sound quality. The better controlled coneexcursion gives less distortion of low frequencies athigher power. It also prevents sound traveling via theceiling cavity to adjacent areas, fully protects theloudspeaker from dust and makes the unit vermin proof.
LBC 3650/00 Metal Fire DomeThe LBC 3650/00 metal fire dome fits over the back of theloudspeaker unit, but is secured to the ceiling panel for abetter seal around the cut-out made for the loudspeaker.The fire dome combined with the highly fire resistantthermosetting material used for the loudspeaker framemeans the MCS 3500 system is certified as F30 accordingto DIN 4102.
LBC 3660/01 Surface Mounting BoxFor securing the loudspeakers to walls or hard ceilings,the LBC 3660/01 surface mounting box in the same whitecolor as the grille is available.
Diameter 292 mm (11.5 in) 292 mm (11.5 in) 292 mm (11.5 in)
Max depth 98 mm (3.9 in) 98 mm (3.9 in) 182.5 mm (7.2in)
Mountingcut-out
255 mm(10.03 in)
255 mm(10.03 in)
255 mm(10.03 in)
Speakerdiameter
152.4 mm (6 in) 152.4 mm (6 in) 152.4 mm (6 in)
Magnet weight 117 g (4.14 oz) 245 g (8.6 oz) 450 g (15.9 oz)
Max ceilingthickness
50 mm (1.97 in) 50 mm (1.97 in) 50 mm (1.97 in)
Weight 1.2 kg (2.64 lb) 1.6 kg (3.52 lb) 2.6 kg (5.72 lb)
Color Black Black Black
Product LBC 3601/01 LBC 3602/01 LBC 3603/01
Description Circular metalgrille
Circular ABS grille Circular waveguide (metal)
Diameter 300 mm (11.8 in) 300 mm (11.8 in) 300 mm (11.8 in)
Max depth 12 mm (0.5 in) 22.5 mm(0.9 in) 50 mm (2.0 in)
Weight 310 g (0.68 lb) 165 g (0.36 lb) 440 g (0.96 lb)
Color White(RAL 9010)
White(RAL 9010)
White(RAL 9010)
Product LBC 3650/00* LBC 3660/01 LBC 3665/00
Description Steel fire dome Surface-mountingbox
Back box
Diameter 360 mm (14.2 in) 300 mm (11.8 in) 251 mm (9.9 in)
Max depth 112 mm (4.4 in) 117.3 mm (4.6in)
116 mm (4.5 in)
Weight 2 kg (4.4 lb) 830 g (1.93 lb) 550 g (1.21 lb)
Color Black White (RAL9010)
Black
* F30 certified according to DIN 4102
Environmental
Operating temperature -25 ºC to +55 ºC (-13 ºF to +131 ºF)
Storage temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)
Relative humidity <95%
Ordering Information
LBC 3510/40 Ceiling Loudspeaker unit9/6 W
LBC351040
LBC 3520/40 Ceiling Loudspeaker unit18/12 W
LBC3520/40
LBC 3530/40 Ceiling Loudspeaker unit36/24 W
LBC3530/40
Accessories
LBC 3601/01 Circular Metal Grillemetal grille with a perforated pattern withquick bayonet fitting for securing to the loud-speaker frame
LBC 3601/01
LBC 3602/01 Circular ABS Grilleself‑extinguishing ABS material with an at-tractive perforation pattern with quick bayo-net fitting for securing to the loudspeakerframe
LBC 3602/01
LBC 3603/01 Circular Wave Guide Grilleensures a wide and equal spread of the im-portant frequency octaves for speech intelli-gibility and music
LBC3603/01
LBC 3650/00 Metal Fire Domemetal fire dome
LBC3650/00
LBC 3660/01 Surface-Mounting Boxfor securing the loudspeakers to walls or hardceilings.
LBC3660/01
LBC 3665/00 Back Boxsecured onto the back of the loudspeakerframe. Prevents sound traveling via the ceil-ing cavity to adjacent areas, fully protects theloudspeaker from dust.