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Bosch LB20-PC60EW-5D, Installation Manual

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Bosch LB20-PC60EW-5D Installation Manual Download Page 15

LB20 EVAC Cabinet Loudspeaker Models

U-Bracket dimensions | en

15

Bosch Security Systems B.V.

Installation manual

2017.09 | V.02 | F.01U.345.361

6

U-Bracket dimensions

The U-Bracket dimensions are not to scale and are for reference only.

65.0  mm
[2.56 in]

243.3 mm

[9.58 in]

16.0 mm
[0.63 in]

30.2 mm

[1.19 in]

55.6 mm
[2.19 in]

99.3 mm
[ 3.91 in]

30.2 mm

[1.19 in]

55.6 mm

[2.19 in]

84.6 mm
[3.33 in]

∅10.5 mm
[∅0.413 in]

∅12.0 mm
[∅0.472 in]

∅10.5  mm
[∅0.413 in]

∅10.5  mm
[∅0.413 in]

R5.2

[R0.207]

4.0 X 7.25 SLOT

4.6 X 14.6 SLOT

4.0 X 7.25 SLOT

Summary of Contents for LB20-PC60EW-5D

Page 1: ...LB20 EVAC Cabinet Loudspeaker Models LB20 PC60EW 5D LB20 PC60EW 5L en Installation manual ...

Page 2: ......

Page 3: ... 1 2 Notices 4 2 Introduction 5 2 1 System features 5 2 2 Product information 5 2 3 Packing list 6 3 Installation and wiring 7 3 1 Installing the speaker 7 3 2 U Bracket installation options 8 3 3 Wiring 9 3 4 Transformer taps 10 3 5 Replacing the logo 11 4 Troubleshooting 12 5 Technical data 13 5 1 Dimensions 14 5 2 Frequency response and impedance 14 6 U Bracket dimensions 15 ...

Page 4: ... used to suspend a loudspeaker not associated with Bosch is the responsibility of others Safety point As an added safety measure it is suggested the user install an extra suspension point back to the building structural supports This safety point should have as little slack as possible less than 1 inch is preferable Figure 1 1 Redundant safety point 1 2 Notices Old electrical and electronic applia...

Page 5: ...dy weather resistance modern and delicate look and flexible mounting options the LB20 premium cabinet loudspeakers are the perfect solution for a wide variety of surface mount applications The LB20 PC60EW 5 models are IP65 rated designed to withstand the toughest weather conditions Read through this manual to familiarize yourself with the safety information features and applications before you use...

Page 6: ...ity Systems B V 2 3 Packing list Item Quantity Component A 2 Speakers B 1 Allen wrench C 4 Safety screws for the U Brackets D 2 U bracket E 2 Weather covers F 8 Weather cover screws G 2 Grille logos spares H 1 Installation manual Tab 2 2 Components list A x2 B D x2 C x4 E x2 F x8 G x2 H Figure 2 2 Components list ...

Page 7: ...re for the wall construction type Disregarding this caution could result in damage to the product and personal injuries may occur Installing the U Bracket To install the U bracket do the following 1 Draw a level line 2 Align screw holes on the level line 3 Install two mounting screws to secure the U Bracket to the wall Installing the speaker To install the speaker do the following 1 Wire the speak...

Page 8: ...extra suspension point back to the building structural supports This safety point should have as little slack as possible less than 1 inch is preferable Figure 3 1 Redundant safety point See also U Bracket installation options page 8 Wiring page 9 3 2 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 ...

Page 9: ...o a pole mount using steel band clamps Figure 3 5 Pole mount Using a junction box The U Bracket can be installed to a junction box using a 0 25 rubber grommet not included for wiring Figure 3 6 Junction box See also Installing the speaker page 7 3 3 Wiring Wiring the speaker The speaker can be wired using either 2 wires for input only or 4 wires for input and parallel output Reference the polarity...

Page 10: ...r screws into the weather cover B Loosely tighten the four screws to keep the weather cover in place 7 Tighten all four screws to secure the weather cover Ensure the weather cover is secure 8 Adjust the wire length 9 Tighten the gland nut C See also Installing the speaker page 7 3 4 Transformer taps You can select the mode of operation 70 V 100 V 8 ohm and power taps using the rotary switch on the...

Page 11: ...e the safety screw Safety screw A is shown in the previous step 3 5 Replacing the logo An additional logo is included horizontal installation is shown To replace the logo do the following 1 Remove the existing logo 2 Clean the surface with alcohol 3 Align the logo with the square guide 4 Remove the paper backing 5 Insert the logo Press firmly to ensure the logo is applied ...

Page 12: ...input panel is not correctly wired there will be little or no sound Observe proper polarity Poor Low Frequency Response Speakers Wired Out of Polarity When two speakers are connected out of polarity out of phase the low frequencies will cancel each other acoustically Carefully observe the wire markings or tracers on your speaker wires Verify the amplifier terminal is connected to the red speaker t...

Page 13: ...former 70 V 100 V 60 W Transformer taps 70V 60 W 30 W 15 W 7 5 W 8Ω 100V 60 W 30 W 15 W 8Ω Low frequency transducer 5 25 in 133 mm High frequency transducer 0 75 in 20 mm Connectors Removable locking 4 pin connector Euroblock 2 for connection to additional speakers in a distributed line Max wire size 12AWG 2 5 mm Environmental IP 65 per IEC 60529 Color Black RAL 9004 or white RAL 9003 Dimensions H...

Page 14: ...361 Installation manual Bosch Security Systems B V 5 1 Dimensions 180 0 mm 7 09 in 255 0 mm 10 04 in 171 1 mm 6 74 in 150 1 mm 5 91 in 195 1 mm 7 68 in Figure 5 1 LB20 PC60EW 5 dimensions 5 2 Frequency response and impedance Figure 5 2 LB20 PC60EW 5 frequency response and impedance ...

Page 15: ...dimensions The U Bracket dimensions are not to scale and are for reference only 65 0 mm 2 56 in 243 3 mm 9 58 in 16 0 mm 0 63 in 30 2 mm 1 19 in 55 6 mm 2 19 in 99 3 mm 3 91 in 30 2 mm 1 19 in 55 6 mm 2 19 in 84 6 mm 3 33 in 10 5 mm 0 413 in 12 0 mm 0 472 in 10 5 mm 0 413 in 10 5 mm 0 413 in R5 2 R0 207 4 0 X 7 25 SLOT 4 6 X 14 6 SLOT 4 0 X 7 25 SLOT ...

Page 16: ...Bosch Security Systems B V Torenallee 49 5617 BA Eindhoven Netherlands www boschsecurity com Bosch Security Systems B V 2017 ...

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