12s-sub loudspeaker, Product description, Connections – d&b 12S-SUB User Manual

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2.1. Product description
The 12S-SUB is a compact high performance subwoofer for use

with d&b xS-Series loudspeakers. The cabinet houses a long

excursion 12” neodymium driver in a bass-reflex design.

The 12S-SUB frequency response extends from 45 Hz to

130/100 Hz.
The enclosure is constructed from marine plywood with an impact

resistant black paint finish. The front of the cabinet is protected by

a rigid metal grill backed by an acoustically transparent foam.

Four rubber feet prevent cabinet movement and protect the bottom

panel against scratching.

The cabinet is Ball Impact Resistant according to DIN 18032-3.

Rigging components
The 12S-SUB side panels are each equipped with a pair of M10

threads to accept the Z5412 Horizontal bracket 12S-SUB. The

threaded inserts are covered by dummy caps in cabinet color. The

caps must be removed before mounting any accessories.

Cabinet options
The weather resistant version (WR) is suitable for outdoor use

(IP34, vertical aiming up to 0°). The cabinets have an impact and

weather protected black PCP (Polyurea Cabinet Protection) finish.

2.2. Connections
The cabinet is fitted with a pair of NL4 connectors and a two pole

screw terminal block (ST). All four pins of both NL4 connectors are

wired in parallel. The cabinet uses the pin assignments 2+/2–. Pins

1+/1– are designated to full range cabinets.

Cabinets with the weather resistant option (WR) are equipped with
a fixed input cable (PG type, H07-RN-F, 2 x 2.5 mm

(AWG 13),

standard length 5.5 m (18 ft).

Pin equivalents of the applicable connector options are listed in the

table below.

NL4

1–

2–

n.a.

–

n.a.

Brown (+)

Blue (–)

Fixed cable connection
The 12S-SUB loudspeaker is 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:
Tools required: Philips screw driver (#PH2).

Fig. 1: 12S-SUB loudspeaker
Rigging example:
12S-SUB ceiling mounted with Z5412 Horizontal bracket 12S-SUB.

Fig. 2: Connector wiring

Fig. 3: Cover plate and rubber grommet

2. 12S-SUB loudspeaker

d&b 12S-SUB Manual (1.3 EN)