Commnications Systems LC4 Ceiling Lodspeaker Range LC4 Ceiling Lodspeaker Range www.boschsecrity.com Innovative CosCone fll range driver Excellent speech and msic reprodction Unrivalled opening angle for all octave freqencies Paintable grille EN 54 24 and BS5839 compliant The LC4 Ceiling Lodspeaker Range can be sed for a wide variety of ceiling environments. They provide excellent speech and msic in indoor pblic address applications. New CosCone driver technology, sed in this range, stands for delivering otstanding sond qality from a small sized nit. It ensres a wide and eqal spread of all octave freqencies and eliminates high freqency beaming. Fewer lodspeakers are needed to cover a given area, and the noticeable fading that can occr as a listener walks from one lodspeaker to another area is eliminated. The LC4 UCxxE ceiling lodspeaker is a light and compact nit with an nobtrsive, netral designed front grille. The range offers a choice of three lodspeakers distingished by inpt power of: 6 W, 12 W and 24 W with the same wide opening angle, ensring a wide and eqal spread of the important freqency octaves for speech intelligibility and msic clarity. The LC4 range also incldes a back box and metal fire dome. Certifications and approvals All Bosch lodspeakers are designed to withstand operating at their rated power for 1 hors in accordance with IEC 268 5 Power Handling Capacity (PHC) standards. Bosch has also developed the Simlated Acostical Feedback Exposre (SAFE) test to demonstrate that they can withstand two times their rated power for short drations. This ensres extra reliability nder extreme conditions, leading to higher cstomer satisfaction, longer operating life, and mch less chance of failre or performance deterioration. Safety According to EN 665 Water and dst protected * According to EN 6529 IP 21 EVAC compliant * According to BS 5839 part 8 According to EN 54 24 * With LC4 CBB back box or LC4 MFD fire dome Region Erope Certification CE Installation/configration notes The LC4 range is very installation friendly. A ctting template is spplied with each nit, and the lodspeaker is secred in ceilings p to 5 mm (2 in) thick sing two integral screw driven clamps.
2 LC4 Ceiling Lodspeaker Range Connections are made sing a screw terminal block on the frame, where each incoming and otgoing condctor of the same potential can be connected to a separate screw on a terminal block. Power tapping on both 7 V and 1 V allows selection of fll power, half power, qarter power, eight power radiation and 8 Ohm. A selector at the front of the frame simplifies the reqired selection of the power setting. The lodspeaker grille, standard spplied, can be secred to the lodspeaker nit with a qick bayonet fitting after installation of the lodspeaker into the ceiling. 95 mm / 3.74" 7 mm / 2.75" 17 mm /.66" 162 mm / 6.37" 2 mm / 7.87" 2 x 11.5 mm /.45" The optional back box (LC4 CBB), protects the rear of the lodspeaker from dst, falling objects, makes the nit vermin proof and prevents sond traveling via the ceiling cavity to adjacent areas. The back box is assembled with the lodspeaker by means of a snap in constrction and has knock ot holes for two grommets (11.5 mm) and for two cable glands (2.5 mm) aside and on the top. 2 x 2.5 mm /.8" Ease of installation for individal lodspeaker and lodspeaker / fire dome combinations. The metal fire dome (LC4 MFD) monting is fixed in the ceiling prior to the ceiling speaker monting. The fire dome is provided with a safety cord allowing the installer to temporarily hang the lodspeaker in the fire dome, while connecting. Connections are made sing an innovative ceramic screw terminal connector on top of the metal fire dome with loop throgh facility. 2 x 2.5 mm /.8" Mechanical diagram LC4 UCxxE and LC4 CBB Both the lodspeaker and back box have provision for monting the optional line/spervision board. The lodspeaker has a provision also for adding a capacitor in case the lodspeaker is sed in systems with DC spervision. Rear view LC4 UCxxE inclding LC4 CBB Rear view LC4 UCxxE inclding optional monting the line spervision board
3 LC4 Ceiling Lodspeaker Range LC4 ceiling lodspeaker range overview Rear view LC4-UCxxE inclding LC4-MFD, showing the ceramic connector 32 33 34 35 5 1 2 3 4 + + 8 1/8 1/4 1/8 1/2 1/4 1 1/2 1 8 31 3 29 28 27-5 -1-15 -2-25 -3 5 6 7 8 9 26 1 1V 7V 25 11 24 12 23 13 22 14 21 15 2 19 18 17 16 Circit diagram LC4 UCxxE db 11 1 BOSCH 125 25 5 1 LC4 UCxxE horizontal/vertical polar diagram (low freqency). Normalized at -degrees axis. 9 8 32 33 34 35 5 1 2 3 4 7 31-5 5 6 1 1 1 1 1 Freqe ncy Freqency response LC4 UCxxE 3 29 28 27-1 -15-2 -25-3 6 7 8 9 26 1 25 11 24 12 23 13 22 14 21 15 2 19 17 16 1 2 4 8 LC4 UCxxE horizontal/vertical polar diagram (low freqency). Normalized at -degrees axis.
4 LC4 Ceiling Lodspeaker Range Octave band sensitivity LC4 UC6E * Octave 125 Hz 85.9 - - 25 Hz 83.5 - - 5 Hz 86.1 - - 1 Hz 86.6 - - 2 Hz 89.4 4 Hz 9.1 - - 8 Hz 91.1 - - A-weighted - 86.4 93.5 Lin-weighted - 88.2 95.4 Octave band sensitivity LC4 UC12E * Octave 125 Hz 85.9 - - 25 Hz 83.7 - - 5 Hz 86.1 - - 1 Hz 86.8 - - 2 Hz 89.4 4 Hz 88.5 - - 8 Hz 9.5 - - A-weighted - 85.9 95.1 Lin-weighted - 88. 97.4 Octave band sensitivity LC4 UC24E * Octave 125 Hz 86.3 - - 25 Hz 83.3 - - 5 Hz 86. - - 1 Hz 86.5 - - 2 Hz 88.9 4 Hz 88.3 - - 8 Hz 89.3 - - A-weighted - 85.6 97.7 Pmax/1m Pmax/1m Pmax/1m Lin-weighted - 87.6 1.4 Octave band opening angles LC4 UCxxE * Horizontal Vertical 125 Hz 18 18 25 Hz 18 18 5 Hz 18 18 1 Hz 18 18 2 Hz 18 18 4 Hz 18 18 8 Hz 128 128 Acostical performance specified per octave * (all measrements are done with a pink noise signal; the vales are in db) Parts inclded Qantity Components 1 LC4 UCxxE Ceiling Lodspeaker 1 Installation Instrction 1 Ceiling ct ot template Technical specifications Electrical * Description LC4 UC6E LC4 UC12E Ceiling lodspeaker Maximm power 9 W 18 W Rated power Sond pressre level at 6 W power / 1 W (1 khz, 1 m) Opening angle at 1 khz / 4kHz (-6 db) Effective freqency range (-1 db) 6 W (6/3/1.5/.75W) 95 db / 87 db () 12 W (12/6/3/1.5W) 98 db / 87 db () 18 / 18 18 / 18 65 Hz to 2 khz 65 Hz to 2 khz Rated voltage 6.93 / 7 / 1 V 9.8 / 7 / 1 V Rated impedance 8 / 835 / 1667 Ohm Electrical connection Description Maximm power LC4 UC24E 8 / 418 / 833 Ohm 4-way screw terminal block Ceiling lodspeaker 36 W Rated power 24 W (24/12/6/3 W) Sond pressre level at 6 W power / 1 W (1 khz, 1 m) 11 db / 87 db ()
5 LC4 Ceiling Lodspeaker Range Opening angle at 1 khz / 4kHz (-6 db) Effective freqency range (-1 db) Rated voltage Rated impedance 18 / 18 65 Hz to 2 khz 13.9 / 7 / 1 V 8 / 28 / 417 Ohm Environmental Operating temperatre -25 ºC to +55 ºC (-13 ºF to +131 ºF) Storage temperatre -4 ºC to +7 ºC (-4 ºF to +158 ºF) Relative hmidity <95% Ordering information Electrical connection 4-way screw terminal block * Technical performance according to IEC 6268 5 Mechanical Description Diameter Monting ct ot Min./Max. ceiling thickness Maximm depth Material (Lodspeaker nit) Material (front grille) LC4 UC6E LC4 UC12E LC4 UC24E Ceiling Lodspeaker 2 mm (7.87 in) 162 mm (6.38 in) 5 to 5 mm (.19 to 1.97 in) 7 mm (2.75 in) ABS (V ) Steel mesh with ABS (V ) rim LC4 UC6E Ceiling Lodspeaker 6 W 6 W Order nmber LC4-UC6E LC4 UC12E Ceiling Lodspeaker 12 W 12 W Order nmber LC4-UC12E LC4 UC24E Ceiling Lodspeaker 24 W 24 W Order nmber LC4-UC24E Accessories LC4 CBB Back box For LC4 lodspeakers. Order nmber LC4-CBB LC4 MFD Metal Fire dome For LC4 lodspeakers. Order nmber LC4-MFD Weight 8 g (1.77 lb) 84 g (1.86 lb) 99 g (2.18 lb) Color (lodspeaker nit) Black (RAL 911) Color (front grille) White (RAL 93) LC4 CBB LC4 MFD Description Back Box Metal Fire dome Diameter 16 mm (6.29 in) 197 / 175 mm (7.75 / 6.88 in) Maximm depth 78 mm (3.7 in) 156 mm (6.14 in) Monting ct ot n.a. 178 mm (7. in) Min./Max. ceiling thickness n.a. 5 to 5 mm (.19 to 1.97 in) Material ABS (V ) Steel Weight 16 g (.35 lb) 998 g (2.2 lb) Color Black (RAL 911) Flame red (RAL 3)
6 LC4 Ceiling Lodspeaker Range Represented by: Americas: Erope, Middle East, Africa: Asia-Pacific: China: America Latina: Bosch Secrity Systems, Inc. Bosch Secrity Systems B.V. Robert Bosch (SEA) Pte Ltd, Secrity Bosch (Shanghai) Secrity Systems Ltd. Robert Bosch Ltda Secrity Systems Division 12 Portland Avene Soth Brnsville MN 55337, USA Phone: +1-8-392-3497 Fax: +1-8-955-6831 adiospport@s.bosch.com www.boschsecrity.com P.O. Box 82 5617 BA Eindhoven, The Netherlands Phone: + 31 4 2577 284 Fax: +31 4 2577 33 emea.secritysystems@bosch.com www.boschsecrity.com Systems 11 Bishan Street 21 Singapore 573943 Phone: +65 6571 288 Fax: +65 6571 2699 apr.secritysystems@bosch.com www.boschsecrity.asia 21 Bilding, No. 333 Fqan Road North IBP Changning District, Shanghai 2335 China Phone +86 21 22181111 Fax: +86 21 22182398 www.boschsecrity.com.cn Via Anhangera, Km 98 CEP 1365-9 Campinas, Sao Palo, Brazil Phone: +55 19 213 286 Fax: +55 19 213 2862 al.secritysystems@bosch.com www.boschsecrity.com Bosch Secrity Systems 212 Data sbject to change withot notice 1927276299 en, V8, 24. Nov 212