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AC Power and Control
AC Power Input
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Your unit is configured at the factory for the proper AC line voltage in
the country where you purchased it (either 120 volts AC or 230 volts AC
with a line frequency of either 50 Hz or 60 Hz). The AC line configuration
is noted on a decal on the back panel.
NOTE: Should you move your amplifier to another country, it is
possible to reconfigure it for use on a different line voltage. Do
not attempt to perform this conversion yourself. Opening the
enclosure of the unit exposes you to dangerous voltages. Consult
a qualified service person or the Rotel factory service department
for information.
NOTE: Some products are intended for sale in more than one
country and as such are supplied with more than one AC cord. Please
only use the one appropriate for your country/region.
The unit does not draw high levels of current from the power outlet.
However, it should be plugged directly into a polarized wall outlet using
the supplied cable or other compatible cable as recommended by your
authorized Rotel dealer. Do not use an extension cord. A heavy duty
multi-tap power outlet strip may be used if it (and the wall outlet ) can
handle the current demanded by the unit and all the other components
connected to it.
If you are going to be away from home for an extended period of time
such as a month-long vacation, it is a sensible precaution to unplug your
amplifier (as well as other audio and video components) while you are away.
Power Switch
and Power Indicator
1A
Press the front panel Power Switch button, to turn the unit on. The Power
Indicator light is illuminated when the unit is on. Press Power Switch
button again to turn the unit off.
When the power switch is in the ON position, the remote control ON and
OFF buttons
A
may be used to activate the A10MKII. In Standby mode
the Indicator light is red.
See the "12V Trigger Outlet" section for more information on ways you
may be able to turn on and off other components in your system along
with the unit.
12V Trigger Out
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Some audio components can be turned on automatically when they
receive a 12V turn on "signal". The two 12V Trigger Outputs of the
amplifier provide the required signal. Connect compatible components
to the amplifier with a conventional 3.5mm mini plug cable. When the
unit is turned off, the trigger signal is interrupted, and the components
controlled by it are turned off.
Input Signal Connections
See Figure 2
NOTE: To prevent loud noises that neither you nor your speakers
will appreciate, make sure the system is turned off when you make
any signal connections.
Phono Input
Plug the cable from the turntable into the appropriate left and right
phono inputs. If the turntable has a "ground" wire, connect it to the screw
terminal to the left of the Phono inputs. It will help prevent hum and noise.
Line Level Inputs
The CD, Tuner, and Aux inputs of the amplifier are "line level" inputs.
These are for connecting components such as CD players or other audio
playback devices with an analog audio output.
The Left and Right channels are labeled and should be connected to the
corresponding channels of the source component. The Left connectors
are white, the Right connectors are red. Use high quality RCA cables for
connecting input source components to the unit. Ask your authorized
Rotel dealer for advice about cables.
Speaker Outputs
See Figure 3
Speaker Wire Selection
Use insulated two-conductor stranded wire to connect the unit to the
2
speakers. The size and quality of the wire can have an audible effect on
the performance of the system. Standard speaker wire will work, but
can result in lower output or diminished bass response, particularly
over longer distances. In general, heavier wire will improve the sound.
For best performance, you may want to consider special high-quality
speaker cables. Your authorized Rotel dealer can help in the selection of
cables for your system.
Polarity and Phasing
The polarity – the positive/negative orientation of the connections – for
every speaker and amplifier connection must be consistent so all the
speakers will be in phase. If the polarity of one connection is reversed,
bass output will be very weak and stereo imaging degraded. All wire is
marked so you can identify the two conductors. There may be ribs or
a stripe on the insulation of one conductor. The wire may have clear
insulation with different color conductors (copper and silver). There may
be polarity indications printed on the insulation. Identify the positive and
negative conductors and be consistent with every speaker and amplifier
connection.
and Ground Connection
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