Yamaha XMV4280/XMV4140/XMV4280-D/XMV4140-D Owner's Manual

Page of 42
Connections and Setting Up
XMV4280/XMV4140/XMV4280-D/XMV4140-D Owner’s Manual
18
When using low impedance connections with 
Double Power mode
If you use Double Power mode, input/output will be dis-
abled for channels B and D.
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 
(channel C)
Switches 5–8 
(channel A)
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 
(channels C, D)
Switches 5–8 
(channels A, B)
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 switch 4 (page 15) is in the 
lowered position (Double Power mode), even if you do 
connect a cable, audio will not be output from channel 
D.
• If the [SPEAKERS] DIP switch 8 is in the lowered posi-
tion (Double Power mode), even if you do connect a 
cable, audio will not be output from channel B.
• 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.
1
5mm*
* Actual size
Speaker cable
Wire should 
not touch 
the chassis.