Transformer Taps - Bosch LB20-PC40-4D Installation Manual

Premium Cabinet Loudspeakers
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Wiring the speaker using the Euroblock connector and weather cover – optional accessory
To wire the speaker using Euroblock connector and weather cover, do the following:
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10. Readjust the horizontal or vertical speaker position.
See also
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4.3

Transformer taps

You can select the mode of operation for all models that have a transformer. For the LB20-
PC15-4 you can select the power tap for 70V/100V operation by using the jumper connector in
the 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.
Mount the speaker.
Plug the Euroblock connector into the speaker.
Readjust the horizontal or vertical speaker position.
Push the wire through the gland nut.
Wire the Euroblock connector (A).
A
Adjust the tap settings, if needed.
Mount the speaker.
Plug the Euroblock connector into the speaker.
Insert the screws into the weather cover (B).
Loosely tighten the four screws to keep the weather cover in place.
Tighten all four screws to secure the weather cover.
Ensure the weather cover is secure.
Adjust the wire length.
Tighten the gland nut (C).
Installing the speaker, page 10
B
C
Installation manual
Installation and wiring | en
2017.08 | 01 | F.01U.345.357
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