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E11
NAC 202 Preamplifier
13 NAC 202 Introduction and Installation
The NAC 202 preamplifier does not incorporate an internal power supply but must be
used in conjunction with either a Naim power amplifier incorporating a preamplifier
power output, or with an appropriate Naim power supply. A separate NAPSC supply that
provides power to the display and control circuits is also available. Diagram 14.3 illustrates
the NAC 202 connected to a Hi-Cap power supply.
The preamplifier and any power supply should be installed on a dedicated equipment
stand intended for the purpose. Do not stand either directly on top of another item of
equipment. Care should be taken to ensure that the preamplifier is level.
The preamplifier and any power supply should be installed in their final locations before
connecting cables or switching on. Ensure that the preamplifier volume is turned down
before switching on.
The following Section 13 paragraphs describe installation features and functions specific
to the NAC 202. Operational features common to all preamplifiers and integrated
amplifiers are described in Section 28.
13.1 Input Sockets and Assignment
The input selection buttons select the source input signal to
be routed to the power amplifier and the loudspeakers.
The NAC 202 has six DIN input sockets and two alternative
pairs of RCA Phono sockets. The RCA Phono sockets can
be assigned individually to the CD and AUX 2 input buttons
in place of the DIN sockets.
Input assignment setup is accessed through the NAC
202 program mode. To switch into (or exit from) program
mode press and hold the prog key on the remote handset
(in preamplifier mode). Program mode is indicated by a
flashing indicator on the front panel volume control.
Note: If no function is operated within five minutes of
entering program mode the NAC 202 will return to normal
mode automatically.
Once in program mode press and hold the remote
handset 1 button to select or de-select the RCA Phono
socket input for CD, and the remote handset 6 button to
select or de-select the RCA Phono socket input for AUX 2.
The corresponding front panel input buttons can similarly
be used to select or de-select the RCA Phono socket
inputs. The appropriate input button indicator will flash
three times on selection of the RCA Phono option and
once on selection of the DIN option.
To exit from program mode press and hold the prog key on
the remote until the volume indicator stops flashing.
13.2 Record Mute
In order to minimise power consumption and improve
sound quality the NAC 202 record output circuit can
be muted. To engage or disengage record mute press
the front panel mon button followed by the front panel
mute button. The mute button indicator will illuminate
when record mute is engaged and extinguish when it is
disengaged. Record mute can also be engaged and
disengaged from the remote handset using the mon and
mute keys.
volume
mute
mon
source selection
14 NAC 202 Controls and Connections
14.1 NAC 202 Front
Operational features
common to all
preamplifiers and
integrated amplifiers
are described in
Section 28
13


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