background image

| LBC 3951/11 Ceiling Loudspeaker

Data subject to change without notice | Printed in The Netherlands | 21. Jun 2005

Americas:

Bosch Security Systems
130 Perinton Parkway
Fairport, New York, 14450, USA
Phone:+1 (0) 585 223 4060
Fax:+1 (0) 585 223 9180
[email protected]
http://www.boschsecurity.us

Europe, Middle East, Africa:

Bosch Security Systems B.V.
P.O. Box 80002
5600 JB Eindhoven, The Netherlands
Phone:+31 (0) 40 27 83955
Fax:+31 (0) 40 27 86668
[email protected]
http://www.boschsecurity.com

Asia-Pacific:

Bosch Security Systems Pte Ltd
38C Jalan Pemimpin
Singapore 577180
Phone:+65 6319 3450
Fax:+65 6319 3499
[email protected]
http://www.boschsecurity.com

Summary of Contents for LBC 3951/11

Page 1: ...roduction The unit is supplied with a 100 V matching transformer with taps on the primary winding for full power half power quarter power and eighth power radiation The loudspeaker with special treated paper cone is IPx4 waterprotectedfromthefrontandcanbeappliedinhumidity environments for example bathrooms sauna s atriums and swimming pool areas Parts Included Certifications and Approvals All plas...

Page 2: ...ial tools The terminal blocks have provision for loop through wiring The transformerisdeliveredwiredfor6Wratedoutputpower but can easily be changed for other connections using the color coded wires and terminal block Dimensions in mm inch Circuit diagram Frequency response Polar diagram Quick reference table 01 Clamp 02 Matching Transformer 03 Terminal Block X Y Z Octave band Hz 125 250 500 1k 2k ...

Page 3: ...ted Voltage 100 V Rated Impedance 1667 ohm Mechanical Speaker Size 101 6 mm 4 in Magnet Weight 3 57 oz Connection 2 pole push connector Dimensions Diameter 160 mm 6 30 inch Max Depth 95 mm 3 74 inch Ceiling Thickness 9 to 25 mm 0 35 to 0 98 inch Mounting Cut Out 145 mm 5 71 inch Color Off white RAL 9010 Weight 670 g 1 47 lb Environmental Ambient Temperature 25 C to 55 C 13 Fto 131 F Ordering Infor...

Page 4: ...180 security sales us bosch com http www boschsecurity us Europe Middle East Africa Bosch Security Systems B V P O Box 80002 5600 JB Eindhoven The Netherlands Phone 31 0 40 27 83955 Fax 31 0 40 27 86668 emea securitysystems bosch com http www boschsecurity com Asia Pacific Bosch Security Systems Pte Ltd 38C Jalan Pemimpin Singapore 577180 Phone 65 6319 3450 Fax 65 6319 3499 apr securitysystems bos...

Reviews: