Community V2-215S Manual de instalação e operação - Página 4

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CONNECTIONS AND INSTALLATION

USE THE CORRECT WIRE OR CABLE

The VLF subwoofers are intended to be connected directly to the amplifier. The

VLF208 and VLF208LV come with two methods of connecting the amplifier

to the subwoofer; a terminal strip and an industry standard NL4-type locking

connector. These two connectors are wired in parallel with each other, on all

models.

If connecting to the terminal strip, terminating the wires with a spade or ring

connector (Figure 1a) is recommended for secure connections. The maximum

width of the ring or spade lug should be 0.375" (9.5mm), or less. The terminal

screws are #8 (M4). The maximum wire size that can be accommodated for

bare wire connections is 10 AWG (5.26 mm

Note: Wire insulation colors may vary depending upon region or manufacturer. Be consistent with

conductor color use throughout the system.

NL4-TYPE CONNECTORS

Terminations may be soldered, or made by means of their built-in screw and

pressure clamp (Figure 1b). If using the pressure clamp, it's important to tighten

it fully, then to wait about ten minutes (longer is better), then to tighten it again.

This is because copper wire flows under pressure. After initially tightening the

screw clamp, some minutes later the screw will no longer be as tight due to the

effect of the compression on the copper. Typically, only one cycle of "tighten –

wait – re-tighten" is required for a secure connection.

The VLF208 has one (1) NL4-type locking connector, and the VLF208LV has two

(2) NL4-type locking connectors (Figure 2).

DANGER: When wiring the amplifier(s) to the loudspeaker(s), always power-down

the amplifier(s) and disconnect their AC Mains plug(s). Many high power amplifiers

can deliver enough voltage and current to cause a harmful or lethal electric shock.

Shocks from very low frequencies, such as kick drums, can cause the human heart to stop

beating at relatively low power levels.

WARNING: After wiring the amplifier(s) to the loudspeaker(s), first power up all

devices that are upstream of the amplifier, such as mixers, equalizers, compressor/

limiters, etc., before powering-up the amplifier. This is to avoid passing any clicks

or pops that may originate in the upstream devices to the loudspeakers. The amplifier

should initially be powered-up with its gain controls turned all the way down. After

making sure that a continuous signal is present, such as music source playing, slowly

raise the level of the gain controls to establish that the wiring has been installed correctly.

Only then should the loudspeaker be operated at normal output levels.

IMPORTANT: All electrical installation connections for loudspeaker lines are subject to all applicable

governmental building and fire codes. The selection of appropriate electrical hardware to interface with

the V SERIES loudspeaker lies solely with the installation professional. Community recommends that an

appropriately licensed engineer, electrician, or other qualified professional identify and select the appropriate

conduit, fittings, wire, etc. for the installation.

Page 4

VLF Owner's Guide

Ring

terminal

Spade

terminal

Figure 1a. Wire Connectors

from

1–

Amplifier

–

Figure 1b. NL4-Type Connector

V SERIES models

2–