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NLT4 F/M Connector wiring

d&b XSL8/XSL12 Manual 1.2 en

SL-Series rigging components and arrays

The cabinets are mechanically connected using the rigging strands

on both sides of the cabinet front and a central strand at the rear

of the cabinet. All necessary rigging components are mounted on

the cabinet and fold out or slide out when needed.

A detailed description of the rigging components is given in the

respective rigging manuals.

2.2 Connections

The cabinets are fitted with NLT4 F/M connectors. All four pins of

both connectors are wired in parallel using the following pin

assignment:

▪ Pins 1+/1– feeding the forward LF drivers.

▪ Pins 2+/2– are connected to the passive crossover networks

feeding the side firing LF drivers and the MF/HF driver sections.

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.

2.3 Operation

Amplifier output mode(s): 2-Way Active

Application

Setup

XSL8

XSL8 Line

XSL8 Arc

XSL8 AP

XSL12

XSL12 Line

XSL12 Arc

XSL12 AP

Line and Arc setups

The selection of "Line" or "Arc" depends on the curvature of the

array. Both setups may be used within one array.

The "Line" setup is used for long throw array sections with three or

more consecutive splay settings of 0°, 1° or 2°. Compared to the

"Arc" setup, the "Line" setup considers the different cabinet

interaction effects between straight and curved section of an array.

The Arc setup is intended for line array loudspeakers when used in

curved array sections.

AP setup

In connection with d&b ArrayProcessing (AP), the AP setup

contains the AP data that is generated by the ArrayCalc simulation

software and transferred to the applicable amplifiers via the d&b

Remote network (OCA/AES70) using R1.

As soon as the data has been sent to the amplifiers, the AP setup is

automatically activated.

Cabinets per

pair of amplifier

channels