5 superuniti integrated amplifier, 1 selecting inputs, 2 volume control – Naim Audio SuperUniti User Manual
Page 19: 3 amplifier display, 4 signal outputs, 5 amplifier fault warnings, Superuniti integrated amplifier

17
SuperUniti Integrated Amplifier
5 SuperUniti Integrated Amplifier
SuperUniti incorporates a high performance integrated preamplifier and power amplifier
based on established Naim design principles. The preamplifier is able to handle both
analogue and digital audio signals and, in addition to SuperUniti’s multi-format radio,
network interface and USB/iPod interface it has four external analogue and six external
digital inputs.
Using the SuperUniti amplifier is simply a matter of selecting the desired input and setting
the listening volume level.
5.1 Selecting Inputs
Inputs can be selected by pressing the front panel
input
button or one of the handset
input selection
keys.
Note:
The handset
up
(
5
) and
down
(
6
) keys or front
panel
up
(
5
) and
down
(
6
) buttons will also scroll through
and select inputs if this navigation key action has been
configured. See Section 4.10.
Note:
The front panel input is automatically selected as
soon as a plug is inserted.
Pressing the front panel
input
button scrolls through and
selects the inputs in the following order:
Analogue 1
,
Analogue 2
,
Analogue 3
,
Digital 1
,
Digital 2
,
Digital 3
,
Digital 4
,
Digital 5
,
FM
(radio),
DAB
(radio),
iRadio
,
UPnP™
(Network UPnP™),
USB
/
iPod
,
Front
(front panel
analogue/digital).
Note:
These are the default input names. They may be
altered within the SuperUniti set up menus. See Section 4.3.
Inputs can also be disabled so that they are hidden from
selection.
Pressing one of the handset
input selection
keys either
directly selects a single input or scrolls through a group
of inputs. For example, by default, pressing the
PC
input
selection key selects the
UPnP™
input, while pressing the
CD
input selection key scrolls through a group comprising
the
Analogue 1
and
Digital 1
inputs.
Note:
The default input selection key assignments may be
altered within the SuperUniti set up menus. See Section
4.10.2.
Selecting an input will route that input’s audio signal to the
SuperUniti outputs.
SuperUniti will momentarily display input names as they are
selected before displaying input specific information; iPod
track or radio preset for example.
If an input is not operational (for example, no USB memory
stick is attached) when selected, SuperUniti will display a
descriptive alert message.
5.2 Volume Control
SuperUniti volume control is achieved by using front
panel volume control or the handset
vol–
and
vol+
keys.
The volume control affects the speaker, headphone,
subwoofer and preamplifier outputs.
The mute function silences the SuperUniti speaker,
headphone, subwoofer and preamplifier outputs and is
engaged or disengaged by touching the front panel
logo
or pressing the handset
mute
key. Mute is indicated by the
display volume icon flashing.
Note:
Logo-touch muting can be disabled. See Section 4.8
5.3 Amplifier Display
In normal operation the SuperUniti front panel display
primarily shows information relating to the selected input. It
will change temporarily to show amplifier adjustments such
as volume level and signal mute state as these are made.
5.4 Signal Outputs
In addition to its speaker outputs the SuperUniti integrated
amplifier provides a preamplifier output, a subwoofer
output, a digital output and a headphone output.
The preamplifier output is designed to enable an
upgrade or additional power amplifier to be connected.
The subwoofer output is designed to enable an active
subwoofer to be connected. The appropriate output
configuration must be selected through the Speakers setup
menu. See Section 4.4.
The digital output enables SuperUniti sources to be
connected to an external digital to analogue converter
or preamplifier with digital inputs. External analogue
sources (front Analogue and rear Analogue inputs) are not
available via the Digital Output. The digital output signal
format can be configured via the Digital Output setup
menu. See Section 4.7
Note:
Although the SuperUniti FM radio is fundamentally an
analogue source, the multi-mode radio module digitises
FM signals to make them available via the digital output.
The SuperUniti headphone amplifier is able to drive
most commonly available headphones. Insertion of a
headphone plug will mute all other SuperUniti outputs.
5.5 Amplifier Fault Warnings
In the unlikely event that the SuperUniti power amplifier is
overloaded, exceeds its normal operating temperature or
malfunctions, its outputs will mute and the display will show
a warning message.