Naim-audio UnitiQute 2 Manuel d'utilisateur télécharger pdf (Page 5)

UnitiQute 2 Installation and Connection

2.4.2 Audio Signal Outputs

UnitiQute 2 provides audio signal outputs for a variety of

applications. Connections to the outputs are made via the

socket types listed in the following table:

Output Type Socket

Digital DigitalS/PDIF 75ΩBNC

Preamplifier Analogue stereo RCA phono

Note: The digital output is intended for connection to a

digital to analogue converter or preamplifier incorporating

digital inputs so that UnitiQute 2 can be used as a digital

source device for an existing system. The output can be

switched on and off from a setup menu. See Section 4.7.

External analogue inputs to UnitiQute 2 are not available

from the digital output.

Note: The digital output is taken before the UnitiQute 2

volume and balance controls so the output signal will not

reflect UnitiQute 2 volume and balance control or mute

function. The output always reflects the selected digital

input signal.

Note: The preamplifier output is taken after the UnitiQute

2 volume and balance controls so peripheral equipment

connected to it will respond to UnitiQute 2 volume and

balance control changes. The output always reflects the

selected input signal.

2.5 Speaker Outputs

A set of stereo speaker connection sockets is provided

on the UnitiQute 2 rear panel. Custom Naim Audio

loudspeaker connectors are supplied to make the

connection and in order to comply with current European

safety regulations these should always be used. Naim

Audio speaker cable will provide the best results, however,

a range of speaker cable types may be used without

risk of damage to the amplifier. Contact your local Naim

retailer for further advice. Use equal lengths of speaker

cable for each channel.

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.

2.6 Headphone Output

UnitiQute 2 is fitted on its front panel with a 3.5mm stereo

headphone socket. Insertion of a headphone plug will

mute the speaker and preamplifier outputs.

Note: UnitiQute 2 controls and stores volume settings

separately for headphones and speakers.

2.7 Signal Ground Switch

UnitiQute 2 is fitted on its rear panel with a Signal Ground

switch offering two positions: Chassis or Floating. Select the

Chassis position unless UnitiQute 2 is connected in a hi-fi sys-

tem incorporating another earthed source component, or

mains “hum” is audible through the loudspeakers. Contact

your retailer, distributor or Naim for advice if necessary.

Note: “Connected” in the context above means an

analogue audio signal cable that includes an earth

connection. The UnitiQute 2 digital inputs and output are

isolated from the mains earth regardless of the Signal

Ground switch.

Note: All Naim CD players are earthed so the Signal

Ground switch should be set to floating if one is connected

in the system.

No damage will be done if the wrong Signal Ground

position is chosen, however the system sound quality may

be compromised.

Note: The UnitiQute 2 negative analogue input and output

connections for each channel are common. The mains

earth (ground) should always be connected regardless of

what other equipment is used. The mains earth primarily

grounds the case and the electrostatic screen within the

transformer, and is only connected to the signal negative if

the Signal Ground switch is set to Chassis. In order to avoid

hum loops, the signal negative of the whole system should

be connected to the mains earth in one place only.

2.8 USB/iPod Interface

UnitiQute 2 is fitted with a front panel USB interface

intended for the connection of Apple iPod models and

USB memory sticks carrying audio files. The USB interface

should not be used for any other purpose.

Depending on the setup options chosen (see Section

4.3.5), iPod batteries will be charged when connected to

the USB interface.

2.9 Network Connections

2.9.1 Wired Network Connection

UnitiQute 2 is fitted on its rear panel with a standard

RJ45 Ethernet socket. This socket enables UnitiQute 2

to join home networks via a network router to access

internet radio data streams or to play audio files stored on

appropriately configured UPnP™ servers.

Ethernet-over-mains hardware may be used and provides

a simple and convenient method of wired home network

connection. However, depending on mains wiring factors

specific to each home environment, the presence of

network data on the mains supply may compromise

overall system sound quality. If any sound quality

compromise is found to be unacceptable, dedicated

network cabling should be installed or wireless networking

should be employed.

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Naim-audio UnitiQute 2 Manuel d'utilisateur Page 5

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