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Product information Packing list Installation and wiring Installing the speaker U-Bracket installation options Wiring Transformer taps Replacing the logo Troubleshooting Technical data Dimensions Frequency response and impedance U-Bracket dimensions Bosch Security Systems B.V. Installation manual 2017.09 | V.02 | F.01U.345.361...
The user is responsible for making sure the wall, ceiling, or structure is capable of supporting all objects suspended overhead. Any hardware used to suspend a loudspeaker not associated with Bosch is the responsibility of others.
LB20 EVAC Cabinet Loudspeaker Models Introduction | en Introduction The LB20 premium cabinet loudspeakers from Bosch Security Systems, Inc is a line of compact, high-performance, two-way, full-range surface mount loudspeakers with excellent wide and uniform coverage, and outstanding performance. Their design makes these...
U-bracket Weather covers Weather cover screws Grille logos (spares) Installation manual Tab. 2.2: Components list A (x2) C (x4) D (x2) E (x2) F (x8) G (x2) Figure 2.2: Components list 2017.09 | V.02 | F.01U.345.361 Installation manual Bosch Security Systems B.V.
Loosely tighten the two screws using the Allen wrench (provided). Aim the speaker. Tighten the two screws to secure the U-Bracket to the speaker. Ensure the speaker is secured to the U-Bracket. Bosch Security Systems B.V. Installation manual 2017.09 | V.02 | F.01U.345.361...
Wiring, page 9 U-Bracket installation options Using a U-Bolt The U-Bracket can be mounted using a standard 2-inch or 4-inch U-Bolt. Figure 3.2: U-Bolt — 2-inch Figure 3.3: U-Bolt — 4-inch 2017.09 | V.02 | F.01U.345.361 Installation manual Bosch Security Systems B.V.
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The speaker can be wired using either 2-wires, for input only, or 4-wires, for input and parallel output. Reference the polarity markers on the Euroblock. To wire the speaker using the weather cover, do the following: Bosch Security Systems B.V. Installation manual 2017.09 | V.02 | F.01U.345.361...
Configuring the transformer settings To configure the transformer settings, do the following: Select the desired power tap by using the rotary switch on the input panel. 2017.09 | V.02 | F.01U.345.361 Installation manual Bosch Security Systems B.V.
Remove the existing logo. Clean the surface with alcohol. Align the logo with the square guide. Remove the paper backing. Insert the logo. Press firmly to ensure the logo is applied. Bosch Security Systems B.V. Installation manual 2017.09 | V.02 | F.01U.345.361...
Evaluate each component Hissing, Humming Device as necessary to isolate the problem. Poor System Check and correct the system grounding, as required. Grounding or Ground Loop 2017.09 | V.02 | F.01U.345.361 Installation manual Bosch Security Systems B.V.
Included hardware: U-Bracket, 5-mm Allen wrench and input cover Packaged quantity: 2 Half space (wall mounting). Half space (on wall) averaged 100 Hz – 10 kHz, 1 W. Without U-Bracket. Bosch Security Systems B.V. Installation manual 2017.09 | V.02 | F.01U.345.361...
171.1 mm [6.74 in] 255.0 mm [10.04 in] 150.1 mm [5.91 in] 195.1 mm [7.68 in] Figure 5.1: LB20-PC60EW-5 dimensions Frequency response and impedance Figure 5.2: LB20-PC60EW-5 frequency response and impedance 2017.09 | V.02 | F.01U.345.361 Installation manual Bosch Security Systems B.V.
30.2 mm [1.19 in] 4.0 X 7.25 SLOT 55.6 mm [2.19 in] ∅10.5 mm [∅0.413 in] 99.3 mm [ 3.91 in] ∅10.5 mm [∅0.413 in] 4.0 X 7.25 SLOT Bosch Security Systems B.V. Installation manual 2017.09 | V.02 | F.01U.345.361...