Naim-audio NAP 500 User Manual download pdf (Page 10)

NAC 282 Preamplifier

10 NAC 282 Introduction and Installation

The NAC 282 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 supplied. Diagrams 11.3 and 11.4

illustrate two NAC 282 power supply options.

The preamplifier and 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 10 paragraphs describe installation features and functions specific

to the NAC 282. Operational features common to all preamplifiers and integrated

amplifiers are described in Section 28.

10.1 Source Inputs and Record Outputs

The input selection buttons arranged along the upper

bank select the source signal to be routed to the power

amplifier and the loudspeakers. Below them, in the lower

bank, are a corresponding array of buttons which select

the signal to be routed to the preamplifier’s record outputs.

These separate source and record sections enable one

source (a CD player, for example) to be listened to whilst

the output from another (say, the tuner) is simultaneously

selected for recording.

Note: It is possible to lock the record controls and prevent

accidental de-selection during recording. Record-lock is

switched on or off by depressing the source mono button

four times within six seconds.

10.2 Input Socket Assignment

The NAC 282 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

282 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 and

the record selection indicators extinguishing.

Note: If no function is operated within five minutes of

entering program mode the NAC 282 will return to normal

mode automatically.

Once in program mode press and hold the remote

handset 1 key to select or de-select the RCA Phono socket

input for CD, and the remote handset 6 key 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 handset until the record select indicators are restored

and the volume indicator stops flashing.

11 NAC 282 Controls and Connections

11.1 NAC 282 Front

volume

balance

mute

mono

source

bank

record

bank

source and record

selection

Operational features

common to all

preamplifiers and

integrated amplifiers

are described in

Section 28

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Naim-audio NAP 500 User Manual Page 10

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