Naim-audio NAC-N 172 XS User Manual download pdf (Page 24)

E22

NAIT XS Integrated Amplifier

22 NAIT XS Introduction, Installation and Connections

The NAIT XS should be installed on a dedicated equipment stand intended for the

purpose. Do not stand it directly on top of another item of equipment. Care should

be taken to ensure that it is level. The amplifier should be installed in its final location

before connecting cables or switching on. Ensure that the volume is turned down before

switching on.

A variety of power supply upgrade, alternative preamplifier and alternative or additional

power amplifier options are possible for the NAIT XS. Diagrams illustrating the connection

of some of these are shown in Section 23. Contact your local retailer or distributor for

advice on further alternative connection schemes.

The NAIT XS incorporates an AV Bypass switch on its rear panel. The switch should only

be set to “On” if the amplifier is to be used in conjunction with an AV processor in a

home theatre system. In all other installations the AV Bypass switch should be set to “Off”.

Speaker and/or amplifier damage may occur if a signal is inadvertently connected to the

NAIT XS av input while the AV Bypass switch is “On”.

Operational features common to all preamplifiers and integrated amplifiers are described

in Section 28.

22.1 Mains Power Connection

Connect the NAIT XS to a mains power socket using either

the mains cable supplied or a Naim Power-Line.

22.2 Signal Inputs

The NAIT XS front panel input buttons select the source input

signal to be routed to the integral power amplifier and the

loudspeakers. The six buttons are labelled cd, tuner, hdd, av,

aux 1 and aux 2.

The cd, tuner, hdd and av input buttons select parallel DIN

and RCA phono input sockets on the rear panel.

Note: The hdd and av sockets carry both inputs and outputs.

See Section 22.4 for more information.

The aux 1 input button corresponds to a pair of RCA phono

sockets on the rear panel and a parallel 3.5mm stereo jack

socket on the front panel. Insertion of a plug into the front

panel aux 1 socket will automatically switch the amplifier

to that input. Removal of the plug will return the amplifier to

the previously selected input. If a different input is selected

while a plug is inserted removal of the plug will not cause

the input to change.

The aux 2 input button corresponds to a DIN input socket

on the rear panel. The aux 2 DIN socket also carries a

power supply output suitable to power a Naim Stageline or

SuperLine phono preamplifier.

Note: For optimum sound quality DIN sockets should be used

in preference to RCA phono sockets.

Note: Where an input has DIN or Phono socket options only

one should be connected at any one time.

Always use high quality interconnect cables to connect

sources to inputs. The Naim Hi-Line will produce the best

results.

22.3 Speaker Outputs

A set of stereo speaker connection sockets is provided on

the rear panel. Custom Naim loudspeaker connectors are

supplied to make the connection and in order to comply

with current European safety regulations these should always

be used. Naim speaker cable will provide the best results,

however, a wide range of speaker cable types can be used

without risk of damage to the amplifier.

Ensure when connecting speakers that they are “in phase”.

That is, the positive and negative connection orientation

at both the speaker and amplifier ends of the cable is the

same for both channels.

22.4 AV and hdd Inputs and Outputs

The NAIT XS av and hdd inputs have associated outputs that

enable the selected input signal to be routed externally; to

an audio recording component for example.

Note: The av or hdd outputs will be muted if their

corresponding inputs are selected.

22.5 AV Bypass

The NAIT XS can be integrated within a multi-channel home

theatre system, driving the front left and right channel

speakers, by engaging its AV Bypass mode. AV Bypass mode

enables a home theatre processor to take over volume

control of signals connected to the NAIT XS av input. It is

engaged using the switch on the rear panel. The NAIT XS

volume control indicator will extinguish when AV Bypass

mode is engaged and the av input is selected. The remote

handset volume control will also be disabled.

Note: The AV Bypass feature must be used with care. It

bypasses the NAIT XS volume control leaving any signal

connected to the av input to be passed to the speakers at

full volume.

Note: The mute function is disabled when AV Bypass is

engaged.

Operational features

common to all

preamplifiers and

integrated amplifiers

are described in

Section 28

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