d&b audiotechnik 4S 매뉴얼 - 페이지 6

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Fig. 3: Connector wiring

Fig. 4: Cover plate and rubber grommet

Fig. 5: Installing the fixed cable connection

2.2. Connections

The cabinets are fitted with a pair of NL4 connectors and a two

pole screw terminal block (ST - cross-section up to 4 mm

AWG 11). All four pins of both NLT4 connectors are wired in

parallel. The cabinets use the pin assignments 1+/1–. Pins 2+/2–

are designated to active subwoofers.

Pin equivalents of the applicable connector options are listed in the

table below.

NL4

1–

Fixed cable connection

The 4S and 5S loudspeakers are each supplied with a cover plate

[1] and a rubber grommet feed through [2]. For indoor operation,

these items can be used to hide the connector panel, if required.

For unprotected outdoor operation, the connector panel must be

covered, i.e. both items must be used to achieve an IP degree of

protection of IP34.

To install the fixed cable connection, proceed as follows:

1. Prepare the rubber grommet and the connection cable.

2. Remove the knockout opening in the cover plate and attach

the rubber grommet correspondingly.

3. Insert the connection cable through the rubber grommet and

connect the cable wires to the screw terminal.

Þ Observe the correct polarity!

4. Push the cover plate towards the connector panel until the two

spigots of the cover plate are in line with the center holes of

the two NL4 connectors.

5. Finally push the cover plate towards the cabinet until it

completely fits into the recess of the connector panel.

2–

–

n.a.

d&b 4S/5S Manual 1.3 en