Cyrus 6 Power Gebrauchsanweisung - Seite 3

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Cyrus 6 Power, 8 Power & X Power

INSTALLATION - 8 Power & X Power

Key to the 8 Power & X Power rear panel drawing (Fig.1a)

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

of the 8/X Power. Now connect the cable to a suitable AC power point.

The mains power switch

on the rear panel of the 8/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 Cyrus PSX-R is a unique DC power supply which will upgrade the sonic

performance of your 8/X Power and enhance its current drive. When a 8/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 8/X Power plug the connector on the umbilical

cord of the PSX-R into the Multi-Pole socket on the rear of the 8/X Power (

Fig.1b) You will need a mains supply for both units.

Two channel or Single channel high power operation

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

a single channel (mono) amplifier for higher power applications. The 8/X

Power is factory set for stereo operation.

Stereo systems

Stereo systems may be set up with either a single 8/X Power set for two

channel (stereo) operation or twin 8/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 8/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 8/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 8/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 8/X Power. Connect the right output of the

preamplifier to the 'M' Mono input

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

to Stereo. Connect a stereo phono

on both amplifiers to Mono. Connect a

of the right channel 8/X Power.

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 8/X Power. Connect the right loudspeaker

a (

to the rear panel sockets

the 8/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 8/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 8/X Power. Fig 4b shows a wiring schematic for a bi-wired system

using mono amplifiers.

Audio-Visual multi-channel systems

Connect each 8/X Power in turn to the system speakers, following the two

channel or single channel instructions above, as appropriate.

Bi-amplification

For convenience of connection in applications such as Bi-Amplification the

Chain outputs

and

allow more than one 8/X Power to be connected to a

Pre-Amplifier.

The Chain facility can be used with two or more 8/X Powers for Bi/Tri-amping

by connecting the Chain output of the first 8/X Power to the inputs of the next

8/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 8/X Powers to a system, connect a quality RCA

phono interconnect from the Chain output RCA jacks

and

of the new 8/X Power. For single channel (mono) chain

installations, connect the 'M' chain output

Mono inputs

of the 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.

User Instructions

(red speaker plug)

red speaker plug) and

(black speaker plug) of

(black speaker plug).

and

of each Mono amplifier to the 'M'

of the 8/X Power in an MC-BUS system

to the inputs