Yamaha XMV8140-D Owner's Manual download pdf (Page 18)

Connections and Setting Up

XMV8280/XMV8140/XMV8280-D/XMV8140-D Owner’s Manual

 When using low impedance connections with

Double Power mode

If you use Double Power mode, input/output will be dis-

abled for channels B, D, F and H.

Depending on the impedance (4Ω or 8Ω) of the connected

speakers, set the [SPEAKERS] DIP switches as follows.

 When using high impedance connections

Depending on the specifications (70V or 100V) of the

system in which this unit is being installed, set the

[SPEAKERS] DIP switches as follows.

 Connecting Speaker Cables

The [SPEAKERS] output connectors (page 15) on the rear

panel are barrier strip type connectors. We will explain con-

nections using a spade lug and connections using a bare con-

ductor.

 If using a spade lug

From below, insert the spade lug all the way, and tighten

the screw.

 If using a bare conductor

Wrap the conductor around the barrier strip terminal as

shown below, and tighten the screw. Be sure that the bare

wire does not touch the chassis.

 Connecting the Power Cord

Connect the included power cord to the [AC IN] connector

(page 15) on the rear panel. First connect the AC power cord

to the connector on this unit, then plug it into an appropriate

AC power outlet.

Setting

Switches 1–4

Switches 5–8

560W{280W}, 8Ω

560W{280W}, 4Ω

NOTE

If you make settings for low impedance connections, the

HPF will automatically be turned OFF.

Setting

Switches 1–4

Switches 5–8

70V

100V

NOTE

If you make settings for high impedance connections,

the HPF will automatically be set to 80 Hz.

CAUTION

Make sure that the power is turned off. If the power is

on, you risk electrical shock.

0.15"

(

3.7mm)

0.31"

(

7.8mm)

NOTE

• If the [SPEAKERS] DIP switches (page 15) are in Dou-

ble Power mode (switch 4 or 8 is in the lowered posi-

tion), audio will not be output from the corresponding

channel (channel B, D, F or H).

•Ensure that tension is not applied to the speaker cable.

• Connect the cables so that the amplifier’s “+” and “-”

symbols match those of the speaker. If they are

reversed, the polarity will be reversed.

TIPS

Since a large amount of current can flow in a speaker

cable, a magnetic field will be generated. If sensitive cir-

cuits such as a microphone input cable or a microphone

amp are located near a speaker cable, electromagnetic

induction may produce noise in the input cable or circuit.

Input cables and devices that contain sensitive circuits

should be kept at a distance from speaker cables; we

also recommend that you fasten the cables in place.

CAUTION

You must turn off the power before connecting the

power cord.

15mm*

* Actual size Speaker cable

Wire should

not touch

the chassis.

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Yamaha XMV8140-D Owner's Manual Page 18

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