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A90/P90
4
A90/P90
5
English
Installation: A90 integrated amplier
Positioning the unit
Place your amplier on a level, rm surface.
Avoid placing the unit in direct sunlight or near sources of heat
or damp.
Ensure adequate ventilation. Do not place the unit in an
enclosed space such as a bookcase or cabinet as both of
these will impede air ow through the ventilation slots.
Connecting to loudspeakers
The red and black terminals on the back of the ampliers
4
are used to make the connections to the loudspeakers. You
can connect one or two pairs of loudspeakers to your amplier,
provided each pair is rated between 8–16Ω. (If one or both
pairs have an impedance of less than 8Ω, the combined load
on the amplier falls below 4Ω and could cause an overload.)
The pair designated ‘speaker 1’ (SP1) are connected to the
lower set of terminals, while the pair designated ‘speaker 2’
(SP2) are connected to the upper set of terminals. To connect
one pair of loudspeakers, use the SP1 terminals.
When connecting the speaker terminals of the amplier with
the terminals on the speakers, make sure that like polarities
are matched (i.e., match ‘+’ with ‘+’ (usually red) and ‘–’ with ‘–’
(usually black)). Mismatching of polarities will result in a weak
central sound, unclear orientation of the instruments and the
sense of direction of the stereo being impaired.
There are two options for connecting the speaker cable to the
amplier:
Using bare wire ended leads:
1. Strip back the insulation on the wire to reveal about 2cm
of conductor (the metal inside the cable).
2. If the conductor is stranded, twist the strands together
tightly to avoid loose strands making contact with the
adjacent terminals or the back panel.
3. Loosen the terminal by turning it anti-clockwise
4. Insert the twisted wire through the hole in the terminal.
5. Tighten by turning clockwise.
When making connections with stranded bare ended wires, take
great care that no individual strands of wire come into contact
with the adjacent terminals or with the back panel. If this
should happen, it will cause a short circuit on the output of the
amplier and could damage the amplier.
Using spade terminals:
1. Loosen the terminal by turning it anti-clockwise
2. Insert the spade connecter under the terminal.
3. Tighten by turning clockwise.
Connecting to a power supply
Wrong plug?
Check that the plug supplied with the unit ts your supply and
that your mains supply voltage agrees with the voltage setting
(115V or 230V) indicated on the rear panel of the unit
2
before plugging in.
If your mains supply voltage or mains plug is different, consult
your Arcam dealer or Arcam Customer Support on +44 (0)1223
203200.
The product must be earthed.
Mains lead
The appliance is normally supplied with a moulded mains plug
already tted to the lead. If for any reason the plug needs to
be removed, it must be disposed of immediately and securely,
as it is a potential shock hazard when inserted into the mains
socket. Should you require a new mains lead, contact your
Arcam dealer.
Plugging in
Push the plug (IEC line socket) of the power cable supplied with
the unit into the socket (POWER INLET)
1
in the back of the
unit. Make sure it is pushed in rmly.
Put the plug on the other end of the cable into your power
supply socket and switch the socket on.
Wiring your loudspeakers
LR
+ –
PHONO
+ –
SP1
SP2
POWER INLET
PRE OUTPWR IN
6 8 9 bk bl bm bn bo bp54 bq1
4 – 16 OHMS
L
R
L
R
L
R
VOLTAGE
SELECT
230V
RECORD
OUT
PLAY
IN
TAPE 1
RECORD
OUT
PLA
Y
IN
VCR/TAPE 2 DVD AV TUNER
CD AUX
INTEGRATED
PRE/PWR
MM
MC
32
REMOTE
IN
TRIG
OUT
7 br
Arcam A90 amplifier
R
L
+ –+ –
Right
speaker
+
–
–
+
Left
speaker