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Summary of Contents for Bosch LB3-PC250
- Page 1 Premium Cabinet Loudspeakers LB3-PC250 and LB3-PC350 Installation Note...
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Page 2: Important Safeguards
LB3-PC250 / LB3-PC350 Important safeguards Always mount the loudspeakers securely with the recommended bracket(s). If a generic bracket is used, use the inserts with the load distributed in the same way as with the recommended bracket. Only use the pole mount vertically with a maximum deflection of the vertical of 20 degrees. - Page 3 LB3-PC250 / LB3-PC350 SPEAKON connection Direct connection EN 54-24 LOW Z connection 3 : 1 3 : 1 Wall mounting (option 1) Wall mounting (option 2) IN-LB3 | V1.0 | 2011.02 Bosch Security Systems B.V.
- Page 4 Attaching the safety tether to the safety tether mounting Installing the tripod point at the rear LB3-PC250 595 mm (23,4") 410 mm (16,1") 367 mm (16,9") LB3-PC350 720 mm (28,4") 470 mm (18,5") 420 mm (16,6") Stacking the loudspeakers (max. 2 loudspeakers - use a...
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Page 5: Technical Data
LB3-PC250 / LB3-PC350 Technical data LB3-PC250 - Octave and 1/3 octave related measure results Octave band opening Frequency (Hz) 1000 2000 4000 8000 Horizontal opening angle Vertical opening angle Table 1 Octave band opening angles Octave band sensitivity Frequency (Hz) - Page 6 LB3-PC250 / LB3-PC350 LB3-PC250 - Polar diagrams 1000 2000 4000 8000 1000 Horizontal polar diagram (high frequency). Normalized Horizontal polar diagram (low frequency). Normalized at at 0-degrees axis. 0-degrees axis. 1000 1000 2000 4000 8000 Vertical polar diagram (high frequency). Normalized at 0- Vertical polar diagram (low frequency).
- Page 7 LB3-PC250 / LB3-PC350 LB3-PC350 - Octave and 1/3 octave related measure results Octave band opening Frequency (Hz) 1000 2000 4000 8000 Horizontal opening angle Vertical opening angle Table 4 Octave band opening angles Octave band sensitivity Frequency (Hz) 1000 2000...
- Page 8 LB3-PC250 / LB3-PC350 LB3-PC350 - Polar diagrams 1000 1000 2000 4000 8000 Horizontal polar diagram (high frequency). Normalized Horizontal polar diagram (low frequency). Normalized at at 0-degrees axis. 0-degrees axis. 1000 1000 2000 4000 8000 Vertical polar diagram (high frequency). Normalized at 0- Vertical polar diagram (low frequency).
- Page 9 Bosch Security Systems B.V. Kapittelweg 10 4800 RA Breda The Netherlands www.boschsecurity.com © Bosch Security Systems B.V., 2011...