d&b audiotechnik Bi8-SUB Посібник - Сторінка 5

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Bi8-SUB loudspeaker

Connector wiring

Cover plate and rubber grommet

d&b Bi8-SUB Manual 1.1 en

2.1 Product description

The Bi8-SUB is an actively driven, compact, high performance

subwoofer.

The cabinet houses two 6.5" LF driver with ferrite magnets in a

bass-reflex design. Its frequency response extends from 43 Hz to

170 Hz/125 Hz.

The enclosure is constructed from marine plywood with an impact

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

metal grill backed by an acoustically transparent foam.

Two M8 threaded inserts are incorporated, one on each side

panel to allow the attachment of a dedicated horizontal bracket.

The threads are covered by dummy caps in cabinet color. The caps

must be removed before mounting any accessories.

The bottom panel and one side panel are equipped with four

circular recesses to accept the enclosed rubber feet. The rubber

feet can be attached if desired and are intended to prevent cabinet

movement and protect the respective panel against scratching.

2.2 Connections

The cabinet is fitted with a pair of NL4 M 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.

Pin equivalents of the applicable connector options are listed in the

table below.

NL4 M

n.a.

d&b LoadMatch

With the d&b four channel amplifier platform, the LoadMatch

function enables the amplifier to electrically compensate for the

properties of the loudspeaker cable used without the need for an

additional sense wire. For applicable loudspeakers, LoadMatch is

therefore independent of the connector type used.

Fixed cable connection

The Bi8-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.

1–

2–

n.a.

–