8 Connections
EMX640—Owner’s Manual
Connections
When connecting various devices, be sure to use cables and plugs of the appropriate standard.
■ Speaker connection
There are three ways in which speakers can be connected to the EMX640; a single speaker each can be con-
nected to either the A or the B jack of POWER AMP 1 and of POWER AMP 2, two speakers can be connected
in parallel to both the A and B jacks of POWER AMP 1 and of POWER AMP 2, or a single speaker can be con-
nected to the BRIDGE jack (bridge connection). For each of these, the required speaker impedance will differ.
Refer to the following diagram, and make sure that the speaker impedance is not less than the specified value.
■ Example connections
• Additional, or alternative amplifiers can be connected to the MAIN and MONITOR jacks on the front panel.
SPEAKERS
POWER
BA B
POWER AMP 1BRIDGEPOWER AMP 2
A
ON / OFF
8Ω~16Ω
Connecting a single speaker
to the BRIDGE jack
(bridge connection)
SPEAKERS
POWER
BA B
POWER AMP 1BRIDGEPOWER AMP 2
A
ON / OFF
4Ω~8Ω 4Ω~8Ω
Connecting speakers to
either the A or B jacks
of POWER AMP 1/2
SPEAKERS
POWER
BA B
POWER AMP 1BRIDGEPOWER AMP 2
A
ON / OFF
8Ω~16Ω 8Ω~16Ω
Connecting speakers to
both the A and B jacks
of POWER AMP 1/2
Main
Speaker
Main
Speaker
Main
Speakers
Main/Monitor
Speaker
Main/Monitor
Speakers
Cassette Recorder
Footswitch
(YAMAHA FC5)
Microphone
INPUT TO MAIN OUTPUT
MONITOR
MAIN
AUX IN
REC
OUT
TAPE
IN
EFFECT OUT
FOOT SW
1
2
1
2
LINEHi-Z LINE
MIC MICLo-Z
Hi-Z
Lo-Z
Hi-Z
Lo-Z
Hi-Z
Lo-Z
SEE REAR PANEL CAUTION
Monitors Speakers
Main Speakers
CD Player
Synthesizer, Drum Box
Power AMP
88
Effects Processor
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