NAD C 352 - Manual (Page 5)

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5
11. MAIN IN
Connections to an external pre-amplifier or processor, such as a
surround-sound decoder. In normal use these should be connected to
the Pre-Out 2 sockets (No. 10) with the links supplied. To connect your
NAD C 352 to external processor or preamplifier first remove these links.
Use a twin RCA-to-RCA lead to connect to the left and right ‘Audio
Output’ of the pre-amp or processor to the Main-In sockets.
NOTE: always turn the amplifier off before connecting or disconnecting
anything to the Pre-Out and Main-In sockets.
12. SPEAKERS
Speaker terminals for speakers with an impedance of 4 ohms or more.
Connect the right speaker to the terminals market ‘R +’ and ‘R-’
ensuring that the ‘R+’ is connected to the ‘+’ terminal on your
loudspeaker and the ‘R-’ is connected to the loudspeaker’s ‘-’ terminal.
Connect the terminals marked ‘L+’ and ‘L-’ to the left speaker in the
same way. Always use heavy duty (16 gauge; 1.5mm, or thicker)
stranded wire to connect loudspeakers to your NAD C 352. The high-
current binding post terminals can be used as a screw terminal for cables
terminating in spade or pin sockets or for cables with bare wire ends.
BARE WIRES AND PIN CONNECTORS
Bare wires and pin sockets should be inserted into the hole in the shaft
of the terminal. Unscrew the speaker terminal’s plastic bushing until the
hole in the screw shaft is revealed. Insert the pin or bare cable end into
the hole and secure the cable by tightening down the terminal’s bushing.
Ensure bare wire from the speaker cables does not touch the back panel
or another socket. Ensure that there is only 1/2” (1cm) of bare cable or
pin and no loose strands of speakers wire.
13. SOFT CLIPPING™
When an amplifier is driven beyond its specified power output, a hard,
distorted sound can be heard on very loud sounds. This is caused by the
amplifier cutting off or 'hard clipping' the peaks of sound that it was not
designed to reproduce. The NAD Soft Clipping™ circuit gently limits the
output of the system to minimise audible distortion if the amplifier is
overdriven.
If your listening involves moderate power levels you may leave the Soft
Clipping™ switch to Off. If you are likely to play at high levels, that could
stretch the amplifier's power capability, then switch Soft Clipping On.
The Soft Clipping™ indicator on the front panel will illuminate when the
amplifier is in Soft Clipping mode.
14. 12V TRIGGER OUT
This output allows to remotely switch on or off ancillary equipment such
as a tuner, power amplifier, etc. which are also equipped with a 12V
trigger input. This can also be an AC outlet power strip equipped with
a 12V trigger input. The 12V trigger output is activated whenever the
unit is switched to normal operational mode from Stand-by or Off.
For switching Stand-by/Power On of an external component through
the C 352, connect the12V-trigger output of the C 352 to the remote
component's DC input jack. The plug required is a standard 3.5mm
Mini-Jack plug ("mono"): The tip is the live or + connection, the shaft
of the input jack is the 12V-trigger - or ground connection.
NOTES: Check the specifications of the Trigger input terminal on the
other components to ensure these are compatible with the C 352's 12V-
trigger output. NAD components equipped with 12V input triggers are
fully compatible with the C 352's 12V output trigger. The C 352's 12V-
trigger output voltage is 12V DC. The total maximum current must not
exceed 100mA. Typically, NAD 12V input triggers draw less than 10mA
of current. Before making any connections to any 12V trigger input or
output, make sure all components are disconnected from the AC mains.
Failure to observe the above may result in damage to the C 352 or any
ancillary components attached to it. If in doubt over the connections,
installation and operation of the 12V trigger output consult your NAD dealer.
15. IEC AC MAINS (POWER) INPUT
The C 352 comes supplied with a separate AC Mains cable. Before
connecting the cable to a live wall socket ensure that it is firmly
connected to the NAD C 352's AC Mains input socket first. Always
disconnect the AC Mains cable plug from the live wall socket first,
before disconnecting the cable from the C 352 Mains input socket.
SWITCHED AC OUTLET
(NORTH AMERICAN VERSIONS ONLY)
The AC power cord of another component may be plugged into this
accessory outlet. Components plugged into this outlet will be switched
On and Off by the POWER button on the front panel or by the ON and
STAND-BY button on the remote control handset.
NOTE: The total power consumption of any components connected to
the AC outlets may not exceed 100 Watts.
FRONT PANEL CONTROLS (FIGURE 2)
1. POWER ON/OFF
Press the POWER button to switch the amplifier On. The Stand-by
indicator (No. 2) over the power button will light up amber.
Pressing the POWER switch again will turn the unit OFF completely, it
will not respond to the remote control.
REMOTE CONTROL ON /OFF (FIGURE 3)
Press the ON button to switch the unit from Stand-by to the operating
mode; The Stand-by indicator (No. 2) will turn from amber to red, then
to green after a short pause and the indicator for the last selected source
will light up. Press the OFF button to switch the unit to the Stand-by
mode: The Stand-by indicator (fig. 2; No. 2) will light up amber.
NOTE: In Stand-by mode the C 352 uses very little power. However, it
is recommended that you switch the unit totally off if it is not going to
be used for more than a couple of days. Switch off completely by
pressing the POWER button on the front panel (No. 1), all lights will
extinguish.
C352 manual 4/8/03 9:59 pm Page 5