Marantz MM7025 MM7055 User Manual - English - Page 8

Connections - 4 ohms

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ENGLISH Connections NOTE • Do not plug in the power cord until all connections have been completed. • When making connections, also refer to the operating instructions of the other components being connected. • Check the channel, and then connect correctly. • Do not bundle power cords together with connection cables. Doing so can result in noise. Preparations Cables used for connections Prepare the correct cables for use with the additional devices. n XLR connector PIN arrangement The PIN arrangement in this device uses the European method. In the USA method, w is COLD, and e is HOT. When connecting a device that utilizes the USA type of PIN arrangement, replace the w and e plugs on one side of the balanced cable. NOTE Do not short the HOT and GND or COLD and GND for use. weq q GND (Ground) w HOT (Hot) e COLD (Cold) Balanced connections (XLR) Unbalanced connections (RCA) Speaker connections Audio cables Balanced cable Audio cable Speaker cable Sets the connected input connectors Switches the input settings used for input to each channel. BALANCED: Set when connected to the XLR connector. UNBALANCED: Set when connected to the RCA connector. NOTE If audio is input into input connectors that are not set using the input switching switch, the audio will not be output from the speakers. Speaker connections Carefully check the channels of the speakers to be connected to this unit (L/R/SL/SR/C) and + (red), - (black), and connect like poles together. Connecting the speaker cables Peel off about 10 mm of sheathing from the tip of the speaker cable, then either twist the core wire tightly or terminate it. NOTE • Connect so that the speaker cable core wires do not protrude from the speaker terminal. The protection circuit may be activated if the core wires touch the rear panel or if the + and - sides touch each other (vpage 10 "Protection circuit"). • Never touch the speaker terminals while the power supply is connected. Doing so could result in electric shock. • Use speakers with impedance of 6 ohms or more. 4

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ENGLISH
Connections
NOTE
• Do not plug in the power cord until all connections have been completed.
• When making connections, also refer to the operating instructions of the other components being
connected.
• Check the channel, and then connect correctly.
• Do not bundle power cords together with connection cables. Doing so can result in noise.
Preparations
Cables used for connections
Prepare the correct cables for use with the additional devices.
Audio cables
Balanced connections (XLR)
Balanced cable
Unbalanced connections (RCA)
Audio cable
Speaker connections
Speaker cable
Sets the connected input connectors
Switches the input settings used for input to each channel.
BALANCED:
Set when connected to the XLR connector.
UNBALANCED:
Set when connected to the RCA connector.
NOTE
If audio is input into input connectors that are not set using the input switching
switch, the audio will not be output from the speakers.
n
XLR connector PIN arrangement
e
w
q
q
GND (Ground)
w
HOT (Hot)
e
COLD (Cold)
The PIN arrangement in this device uses the European method.
In the USA method,
w
is COLD, and
e
is HOT.
When connecting a device that utilizes the USA type of PIN arrangement, replace
the
w
and
e
plugs on one side of the balanced cable.
NOTE
Do not short the HOT and GND or COLD and GND for use.
Speaker connections
Carefully check the channels of the speakers to be
connected to this unit (L/R/SL/SR/C) and + (red), –
(black), and connect like poles together.
Connecting the speaker cables
Peel off about 10 mm of sheathing from the tip
of the speaker cable, then either twist the core
wire tightly or terminate it.
NOTE
•
Connect so that the speaker cable core wires
do not protrude from the speaker terminal.
The protection circuit may be activated if the
core wires touch the rear panel or if the + and –
sides touch each other (
v
page 10 “Protection
circuit”).
•
Never touch the speaker terminals while the
power supply is connected. Doing so could
result in electric shock.
•
Use speakers with impedance of 6 ohms or
more.