Yamaha A-S1200 Manuale d'uso - Pagina 18
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Connections
Note
• Because this power amplifier is of the floating balanced type,
the following connections are not possible.
- Connecting between two "+" (or two "−") terminals of
the left and right channels (Fig. 1).
- Connecting each "−" terminal of the unit's left and right
channels to the opposite channel speakers (cross
connection, Fig. 2).
- Connecting the left/right channel "−" terminals (or
accidentally allowing them to come in contact) with the
metal part of the rear panel of this unit.
Figure 1
+
L
–
R
• Do not connect an active subwoofer to the SPEAKERS L/R CH
terminals. Connect the subwoofer to the unit's PRE OUT
jacks.
18
Figure 2
+
L
–
R
Connecting speakers
■ Using speaker cables
1
Remove approximately 10 mm of insulation
from the end of each speaker cable, and
twist the exposed wires together tightly to
prevent short circuits.
10 mm
2
Unscrew the knob on each speaker
terminal, and then insert the bare wire into
the side hole on the terminal.
3
Tighten the knob.
CAUTION
• Do not loosen the knob excessively. Otherwise, the knob
may come off and a child may swallow it accidentally.
• To reduce the risk of electric shock, do not touch the
speaker terminals while the power to the unit on.
NOTICE
• If the SPEAKERS terminals come into contact with a
metallic rack, a short circuit may occur, resulting in
damage to this unit. When installing the unit in a rack,
maintain a sufficient clearance to prevent the SPEAKERS
terminals from coming into contact with the rack.
• Do not let the bare speaker wires touch each other, nor let
them touch any metal part of this unit. Otherwise, the
unit and/or the speakers may be damaged.
Diameter of the
speaker cable wire
hole: 6.0 mm