Cyrus X Power Instruções para o utilizador - Página 5
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User Instructions
Bi-amplification
For convenience of connection in applications such as Bi-Amplification the
e
d
Chain outputs
and
allow more than one X Power to be connected to a
Pre-Amplifier.
The Chain facility can be used with two or more X Powers for Bi/Tri-amping by
connecting the Chain output of the first X Power to the inputs of the next X
Power. Such a system provides the sonic benefits of totally separate power
amplification for the bass and treble units of the loudspeakers.
When adding additional X Powers to a system, connect a quality RCA phono
interconnect from the Chain output RCA jacks
g
of the new X Power. For single channel (mono) chain installations, connect
e
the 'M' chain output
of each Mono amplifier to the 'M' Mono inputs
new amplifiers.
When the input connections to the new amplifier are complete, separate
connections may be made to the bass and treble units of the system
speakers. Fig 4c shows a wiring schematic for a bi-amped system using
stereo amplifiers.
MC-Bus connection
Connecting the MC-BUS sockets
provides unified system power control. An MC-BUS loop is established by
connecting single phono cables from the MC-BUS output of one unit to the
MC-BUS input of another in a daisy-chain. Complete the loop by returning the
MC-BUS output of the final component to the MC-BUS input of the first (see
example system connections in Fig.3).
With MC-BUS established you can control the power function of the system
from the front panel or remote control of the main Cyrus amplifier or Surround
Processor.
GB
GB
e
d
and
to the inputs
c
of the X Power in an MC-BUS system
Cyrus X Power & SmartPower plus
OPERATION
Key to the front panel drawing (Fig.2)
15. Standby Switch
16. Standby Light
17. Mono Light
Switching On
The mains power switch
for normal operation, except when left unattended for a long period when it
should be switched off or disconnected from the AC supply.
f
and
When power is applied, the STANDBY key
The Standby light
f
of the
when operational.
In addition to manual power control from the STANDBY key, the X Power also
features a music sensing automatic power control which listens for the
presence of an input signal and will switch on if music begins to play. If the X
Power has been activated in this way it will reset to Standby five minutes after
the music has stopped.
Remote power control can also be enabled by connecting the MC-Bus sockets
c
of the X Power to a Cyrus system which includes a Preamplifier, Integrated
amplifier or Surround decoder. A number of X Powers may be connected in
this way to provide remote standby control of all the system power amplifiers.
Disabling the Music Sensor
In some installations a number of X Power amplifiers may be driven from a
single preamplifier source to feed loudspeakers in several extension rooms. In
systems such as these it may be preferable to disable the Music Sensor to
prevent all amplifiers switching on when music commences.
The user can disable the Music Sensor by holding the front panel Standby key
whilst switching on the unit at the rear. The amplifier will now respond only to
the front panel standby button and MC-Bus commands. The Music Sensor will
remain disabled until power is next disconnected from the unit.
The Music Sensor may also be permanently disabled by returning the X
Power to your retailer or the Cyrus factory for an internal adjustment.
NOTE:- If MC-Bus connections are made to the X Power the music sensor is
disabled automatically.
FRONT PANEL INDICATORS
MONO Indicator
The MONO Indicator
h
is set for MONO Operation. This switch can be operated only when the X
Power is in Standby. Operating it at any other time activates the fault
indication
system.
1$
on the rear panel of the X Power should be left on
1%
may be used for power control.
1^
shows red when the X Power is in Standby and green
1&
will glow red if the rear panel STEREO/MONO switch
3