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Cyrus X Power & SmartPower plus

Welcome to the world of Cyrus!

Congratulations on your choice of Cyrus Hi-fi products. Our state-of-the-art design

technology and outstanding quality of manufacture has won countless awards

around the world. We are confident that you will derive great pleasure from

owning a product from one of the most recognised and respected

manufacturers of hi-fi equipment.

Please read these instructions carefully before commencing installation. They

provide full guidance to help you install your Cyrus X Power safely and

correctly.

Cyrus X Power and SmartPower plus model differences

These user instructions refer to both the Cyrus X Power and Cyrus

SmartPower plus amplifiers. Model differences are indicated in the text where

they occur.

Preparations for Installation

Before installing the X Power check that the following items are included in the

accessory box.

•

Guarantee Card (back page of instruction manual)

•

Power Cable

•

2 MC-Bus phono cables

•

4 speaker plugs (certain markets only)

After removing these items, please retain the packing.

Install the X Power in a well ventilated location away from sources of high

temperature, dust or humidity. Never stand the X Power under another unit or

on any surface likely to hamper its cooling or ventilation.

INSTALLATION

Key to the rear panel drawing (Fig.1)

1. Right speaker output +

(- Speaker output mono)

2. Right speaker output -

MC-Bus Connection

4. Right Chain Output

5. Left/Mono Chain Output

6. Left/Mono Input

7. Right Input

Connecting to the AC Mains Supply

Connect the socket on the AC Power cable to the Power inlet

the X Power. Now connect the cable to a suitable AC power point.

The mains power switch

on the rear panel of the X Power should be left on

for normal operation, except when left unattended for a long period when it

should be switched off or disconnected from the AC supply.

External Regulated Power Supply - PSX-R

The PSX-R is a unique DC power supply which will upgrade the sonic

performance of your X Power and enhance its current drive. When a X

Power/PSX-R combination is installed, analogue and signal related sections

are powered from this clean, stable power source 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.

To connect the PSX-R to the X Power plug the connector on the umbilical cord

of the PSX-R into the Multi-Pole socket on the rear of the X Power (

You will need a mains supply for both units.

8. Stereo/Mono selector switch

9. Left speaker output -

10. Left speaker output +

(+ Speaker Output mono)

11. PSX-R Connection

12. Power Inlet

13. Mains Fuse

14. Power Switch

on the rear panel of

Fig.1)

Two channel or Single channel high power operation

The X Power may be configured as either a two channel (stereo) amplifier or

as a single channel (mono) amplifier for higher power applications. The X

Power is factory set for stereo operation.

Stereo systems

Stereo systems may be set up with either a single X Power set for two channel

(stereo) operation or twin X Powers set for single channel (mono) operation.

Audio-Visual multi-channel systems

Both two channel and single channel high power modes may be employed for

the multiple channel requirements of audio-visual systems. Two channel and

single channel amplifiers may also be mixed in these systems if preferred, for

example- three X Power amplifiers set for single channel (mono) operation to

drive the Front Left, Right and Centre channels and a single Two channel

(stereo) amplifier to drive both the left and right surround channels.

Note: Ensure all equipment is disconnected from the power before any

connections or disconnections are made.

Input Connection

Two channel (stereo) operation

Set the STEREO/MONO switch

interconnect from the output of the preamplifier to the X Power's left and right

inputs

and

. Be sure to observe colour coding of the plugs to keep left

and right channels correctly ordered.

Single channel (mono) operation

When switched for single channel mono operation, twin X Power amplifiers

are necessary in a stereo system – one for the left and one for the right

channel.

Set the STEREO/MONO switch

single phono interconnect from the left output of the preamplifier to the 'M'

Mono input

of the left channel X Power. Connect the right output of the

preamplifier to the 'M' Mono input

Loudspeaker Connection

Fitting the speaker plugs

Check for polarity indicators (+ and -) on the loudspeaker cable and fit the

plugs. Observe any signal directionality markings indicated on the cable. If an

arrow is printed on the cable it should point toward the loudspeaker.

Two channel stereo speaker connections

Connect the left loudspeaker to the rear panel sockets

and

(black speaker plug) of the X Power. Connect the right loudspeaker to

the rear panel sockets

red speaker plug) and

X Power.

Dual outputs are provided for the convenient connection of bi-wiring speaker

cables. Figure 4a shows a wiring schematic for a bi-wired stereo system.

Single channel mono speaker connections

Connect the left loudspeaker to the left X Power using the panel sockets

marked M+

(red speaker plug) and M-

Repeat this procedure to connect the right channel speaker to the right

channel X Power. Fig 4b shows a wiring schematic for a bi-wired system using

mono amplifiers.

Audio-Visual multi-channel systems

Connect each X Power in turn to the system speakers, following the two

channel or single channel instructions above, as appropriate.

User Instructions

to Stereo. Connect a stereo phono

on both amplifiers to Mono. Connect a

of the right channel X Power.

(red speaker plug)

(black speaker plug) of the

(black speaker plug).