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Related Manuals for Bosch LB20-PC40-4D
Summary of Contents for Bosch LB20-PC40-4D
- Page 1 Premium Cabinet Loudspeakers Installation manual...
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Page 3: Table Of Contents
LB20-PC75-5/LB20-PC30-5 cabinet speakers 6.2.1 Dimensions 6.2.2 Frequency response and impedance LB20-PC90-8/LB20-PC60-8 cabinet speakers 6.3.1 Dimensions 6.3.2 Frequency response and impedance Wall bracket dimensions LB20-PC40-4/LB20-PC15-4 wall bracket dimensions LB20-PC75-5/LB20-PC60-5/LB20-PC90-8/LC20-PC60-8 wall bracket dimensions Bosch Security Systems B.V. Installation manual 2017.08 | 01 | F.01U.345.357... -
Page 4: Safety
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. -
Page 5: Short Information
Cabinet speaker 8" 8 Ohm black pair LB20-PC90-8L Cabinet speaker 8" 8 Ohm white pair LB20-PC60-8D Cabinet speaker 8" 70/100V black pair LB20-PC60-8L Cabinet speaker 8" 70/100V white pair Bosch Security Systems B.V. Installation manual 2017.08 | 01 | F.01U.345.357... -
Page 6: Introduction
These full-range loudspeakers (except for the LB20-PC60EW-5) include a unique and innovative mount system from Bosch, prepared to make any job easier. This mount system allows for 90 degrees of rotation horizontally and 45 degrees of rotation vertically. It comes already assembled and is easily installed on walls and ceilings. -
Page 7: Packing List
Table 3.1: Components list for speakers without transformer E (x2) B (x2) C (x2) A (x2) F (x2) G (x2) H (x2) Figure 3.1: Components list for speakers without transformer Bosch Security Systems B.V. Installation manual 2017.08 | 01 | F.01U.345.357... - Page 8 Table 3.2: Components list for speakers with transformer E (x2) B (x2) C (x2) A (x2) J (x2) K (x8) F (x2) G (x2) H (x2) Figure 3.2: Components list for speakers with transformer 2017.08 | 01 | F.01U.345.357 Installation manual Bosch Security Systems B.V.
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Page 9: Product Information
Flush input cover Audio wire hole Locking bolt Audio connector Safety screw hole for bracket Speaker bracket Table 3.3: Product information for all models Figure 3.3: Product information (LB20-PC75-5/LB20-PC30-5 model shown) Bosch Security Systems B.V. Installation manual 2017.08 | 01 | F.01U.345.357... -
Page 10: Installation And Wiring
Adjust the wall bracket until the bubble is level. Install four mounting screws to secure the wall bracket to the wall. Connect the wires to wall bracket audio connectors, as shown in the wiring section. 2017.08 | 01 | F.01U.345.357 Installation manual Bosch Security Systems B.V. - Page 11 If the speaker installation will be delayed cover it with the paint shield/dust shield. Installing the speaker Loosen the locking bolt with the Allen wrench (supplied). Adjust the horizontal and vertical position of the bracket. Bosch Security Systems B.V. Installation manual 2017.08 | 01 | F.01U.345.357...
- Page 12 Slide the speaker bracket down to secure bracket to the wall bracket. This secures the bracket and makes electrical connection. Install the safety screw and screw cap. Readjust the horizontal and vertical speaker position, if needed. 2017.08 | 01 | F.01U.345.357 Installation manual Bosch Security Systems B.V.
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Page 13: Wiring
The wall bracket and speaker can be wired using either 2-wires, for input only, or 4-wires, for input and parallel output. Figure 4.2: Wall bracket wiring – 2-wires, for input only Bosch Security Systems B.V. Installation manual 2017.08 | 01 | F.01U.345.357... -
Page 14: Alternative Euroblock Connection
Available for all models except LB20-PC15-4. Wiring the speaker using the Euroblock connector To wire the speaker using Euroblock connector, do the following: Wire the Euroblock connector. Adjust the tap settings, if needed. 2017.08 | 01 | F.01U.345.357 Installation manual Bosch Security Systems B.V. -
Page 15: Transformer Taps
Euroblock on the input panel. For the LB20-PC30-5 and the LB20-PC60-8 you can select the mode of operation (70V/100V/8 ohm) and power taps using the rotary switch on the input panel. Bosch Security Systems B.V. Installation manual 2017.08 | 01 | F.01U.345.357... -
Page 16: Lb20-Pc15-4 Cabinet Speakers 70V/100V
Remove the Euroblock connector from the input panel. Wire the jumper connector in the Euroblock, according to the desired transformer settings. Plug the Euroblock connector into the input panel. Attach the flush input cover (A). 2017.08 | 01 | F.01U.345.357 Installation manual Bosch Security Systems B.V. -
Page 17: Lb20-Pc30-5 Cabinet Speakers 70V/100V
Select the desired power tap by using the rotary switch on the input panel. If 8 ohm mode is desired, remove the safety screw. Safety screw (A) is shown in the previous step. Bosch Security Systems B.V. Installation manual 2017.08 | 01 | F.01U.345.357... -
Page 18: Replacing The Logo
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. 2017.08 | 01 | F.01U.345.357 Installation manual Bosch Security Systems B.V. -
Page 19: Troubleshooting
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 Bosch Security Systems B.V. Installation manual 2017.08 | 01 | F.01U.345.357... -
Page 20: Technical Data
(pair) Included hardware: Mounting bracket and 4-mm Allen wrench Packaged quantity: Half space (wall mounting). Half space (on wall) averaged 100 Hz – 10 kHz, 1 W. Without brackets. 2017.08 | 01 | F.01U.345.357 Installation manual Bosch Security Systems B.V. -
Page 21: Dimensions
[5.51 in] 119.6 mm [4.71 in] 193.0 mm [7.60 in] 185.4 mm [7.30 in] Figure 6.1: LB20-PC40-4/LB20-PC15-4 dimensions 6.1.2 Frequency response and impedance Figure 6.2: LB20-PC40-4/LB20-PC15-4 frequency response and impedance Bosch Security Systems B.V. Installation manual 2017.08 | 01 | F.01U.345.357... -
Page 22: Lb20-Pc75-5/Lb20-Pc30-5 Cabinet Speakers
7.9 kg (17.5 lb) Included hardware: Mounting bracket and 5-mm Allen wrench Packaged quantity: Half space (wall mounting). Half space (on wall) averaged 100 Hz – 10 kHz, 1 W. Without brackets. 2017.08 | 01 | F.01U.345.357 Installation manual Bosch Security Systems B.V. -
Page 23: Dimensions
[7.09 in] 153.5 mm [6.04 in] 255.1 mm [10.04 in] 242.1 mm [9.53 in] Figure 6.3: LB20-PC75-5/LB20-PC30-5 dimensions 6.2.2 Frequency response and impedance Figure 6.4: LB20-PC75-5/LB20-PC30-5 frequency response and impedance Bosch Security Systems B.V. Installation manual 2017.08 | 01 | F.01U.345.357... -
Page 24: Lb20-Pc90-8/Lb20-Pc60-8 Cabinet Speakers
14.8 kg (32.6 lb) Included hardware: Mounting bracket and 5-mm Allen wrench Packaged quantity: Half space (wall mounting). Half space (on wall) averaged 100 Hz – 10 kHz, 1 W. Without brackets. 2017.08 | 01 | F.01U.345.357 Installation manual Bosch Security Systems B.V. -
Page 25: Dimensions
[9.84 in] 224.3 mm [8.83 in] 390.2 mm [15.36 in] 312.1 mm [12.29 in] Figure 6.5: LB20-PC90-8/LB20-PC60-8 dimensions 6.3.2 Frequency response and impedance Figure 6.6: LB20-PC90-8/LB20-PC60-8 frequency response and impedance Bosch Security Systems B.V. Installation manual 2017.08 | 01 | F.01U.345.357... -
Page 26: Wall Bracket Dimensions
[0.6 in] [0.6 in] 4x ∅4.5 mm [4x ∅0.177 in] 117.0 mm 93.5 mm [4.6 in] [3.7 in] ∅8.0 mm [∅0.315 in] 15.5 mm [0.6 in] 51.8 mm [2.04 in] 2017.08 | 01 | F.01U.345.357 Installation manual Bosch Security Systems B.V. -
Page 27: Lb20-Pc75-5/Lb20-Pc60-5/Lb20-Pc90-8/Lc20-Pc60-8 Wall Bracket Dimensions
[0.8 in] [0.8 in] 4x ∅4.5 mm [4x ∅0.177 in] 156.0 mm 127.0 mm [6.1 in] [5.0 in] ∅8.0 mm [∅0.315 in] 21.0 mm [0.83 in] 69.1 mm [2.72 in] Bosch Security Systems B.V. Installation manual 2017.08 | 01 | F.01U.345.357... - Page 28 Bosch Security Systems B.V. Torenallee 49 5617 BA Eindhoven Netherlands www.boschsecurity.com © Bosch Security Systems B.V., 2017...