10
Classic PRE
User Instructions
MC-BUS System
Connecting the MC-BUS sockets in an MC-BUS system
provides unified system control.
Cyrus streamer
Cyrus ower mplifier
p
a
Cyrus CD player
Cyrus amplifier
MC-BUS out
MC-BUS out
MC-BUS out
MC-BUS out
MC-BUS in
MC-BUS in
MC-BUS in
MC-BUS in
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.
With MC-BUS connection established you can control the
power function of the entire system from the front panel
or remote control. Selecting ‘CD’ from the front panel will
switch on the preamplifier, the Cyrus power amplifier and
a Cyrus CD player. When the preamplifier is set to Standby,
the entire system will also switch off.
When a Cyrus Surround Processor is included in the MC-BUS
loop, setting of the volume calibration level will take place
automatically when the ‘Cyrus AV’ input is selected. Refer to
the handbook for the Surround Processor for further details.
External power supply - PSX-R
The PSX-R is a unique DC power supply that will upgrade
the sonic performance of compatible products in the Cyrus
range including the Classic PRE.
Connecting a PSX-R
•
Disconnect both components from the mains.
•
Plug the connector on the umbilical cord of the PSX-R
into the Multi-Pole PSX-R socket on the back panel. You
will need a mains supply for both units.
NOTE: Connection of a PSX-R is detected automatically, so
no internal adjustments are required.
How it works
When a PSX-R is connected to a Cyrus product, the power
feeds to the internal circuitry are split two ways with the
clean, stable power source of the PSX-R feeding sensitive
circuit sections while other requirements are supplied
internally. This ensures complete isolation of control circuits
and sensitive analogue sections reducing AC mains-borne
noise and power supply ripple.
Connecting to the AC mains supply
•
Connect the socket on the AC Power cable to the power
inlet on the back panel of the preamplifier.
• Now connect the cable to a suitable AC power point.
NOTE: The means to disconnect this product from the
mains supply is the mains plug. Ensure that the mains plug
is accessible at all times.