22
Connecting the AV Receiver—Continued
Speaker Connection Precautions
Read the following before connecting your speakers:
• Only connect speakers with an impedance of 6 ohms
or higher. If you use speakers with a lower impedance,
and use the amplifier at high volume levels for a long
period of time, the built-in protection circuit may be
activated.
• Disconnect the power cord from the wall outlet before
making any connections.
• Read the instructions supplied with your speakers.
• Pay close attention to speaker wiring polarity. In other
words, connect positive (+) terminals only to positive
(+) terminals, and negative (–) terminals only to nega-
tive (–) terminals. If you get them the wrong way
around, the sound will be out of phase and will sound
unnatural.
• Unnecessarily long, or very thin speaker cables may
affect the sound quality and should be avoided.
• If you use 4 or 5 speakers, connect each of the two
surround speakers to the SURROUND SPEAKERS
terminals. Do not connect them to the SURROUND
BACK SPEAKERS terminals.
• Be careful not to short the
positive and negative wires.
Doing so may damage the AV
receiver.
• Make sure the metal core of the
wire does not have contact with
the TX-SR603X’s rear panel.
Doing so may damage the AV
receiver.
• Don’t connect more than one cable to each speaker
terminal. Doing so may damage the AV receiver.
• Don’t connect one speaker to several terminals.
Connecting the Speaker Cables
The following illustration shows which speaker should
be connected to each pair of terminals.
If you’re using only one surround back speaker, connect
it to the left (L) SURROUND BACK SPEAKERS termi-
nals.
1
Strip about 5/8" (15 mm)
of insulation from the
ends of the speaker
cables, and twist the bare
wires tightly, as shown.
2
Unscrew the terminal.
3
Fully insert the bare
wires.
4
Screw the terminal tight.
5/8" (15 mm)
FRONT SPEAKERS
CENTER SPEAKER
SURROUND BACK
SPEAKERS
SURROUND SPEAKERS
R
L
R
L
Surround
back left
speaker
Surround
back right
speaker
Center
speaker
Front left
speaker
Front right
speaker
Surround
right
speaker
Surround
left
speaker
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