Bedienungsanleitung Arcam MZ8 (Seite 6 von 18) (Englisch)

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Placing the unit

Place the amplier on a level, rm surface, avoiding direct sunlight and

sources of heat or damp. Alternatively, the unit can be installed in a 19”

equipment rack using the rack ears supplied. Attach the rack ears to

the sides of the MZ amplier using the supplied bolts, as shown in the

diagram below.

• Do not place the MZ8/MZ12 on top of another power amplier or

other source of heat.

• Do not place the amplier in an enclosed space such as a bookcase

or rack cabinet unless there is good provision for ventilation. If

installed in a rack, leave at least 2U of empty rack space above and

below the unit. Use a ventilated blanking plate to cover the gap. e

MZ8 and MZ12 are designed to run warm during normal operation.

• Do not place any other component or item directly on top of the

amplier as this may obstruct airow around the heat-sink, causing

the amplier to run hot. (e unit placed on top of the amplier

would become hot, too.)

• Do not place your record deck on top of this unit. Record decks are

very sensitive to the noise generated by mains power supplies which

will be heard as a background ‘hum’ if the record deck is too close.

Power

e amplier is supplied with a moulded mains plug already tted to the

lead. Check that the plug supplied ts your supply — should you require

a new mains lead, please contact your Arcam dealer.

If your mains supply voltage or mains plug is dierent, please contact

your Arcam dealer immediately.

Push the IEC plug end of the power cable into the socket on the back of

the amplier, making sure that it is pushed in rmly. Plug the other end

of the cable into your mains socket and, if necessary, switch the socket

on.

Standby power

e front panel power switch powers all circuitry down. e unit may be

put into low-power standby operation using RS232 control or the trigger

input. In standby, the amplier’s control power supply is kept powered

on, so the amplier can be powered up remotely. Power consumption in

this mode is approximately 0.6W. If the unit is put into standby using the

RS232 control or trigger input, it may be possible to hear a slight residual

hum coming from the mains transformer inside the amplier. is is

perfectly normal. However, if the unit is to be le unused for an extended

period, we recommend that you disconnect it from the mains supply or

turn o the power using the front panel switch to save power.

Note that when the MZ amplier is powered on from the front panel

switch or bought out of standby the amplier modules are turned on

individually to stagger the surge created when a powerful amplier is

switched on (i.e. it provides a ‘so start’). is reduces the surge current

drawn from the domestic power supply.

Interconnect Cables

We recommend the use of high-quality screened cables that are designed

for the particular application. Other cables will have dierent impedance

characteristics that will degrade the performance of your system (for

example, do not use cabling intended for video use to carry audio

signals). All cables should be kept as short as is practically possible.

It is good practice when connecting your equipment to make sure that

the mains power-supply cabling is kept as far away as possible from your

audio cables. Failure to do so may result in unwanted noise in the audio

signals.

If your installation requires very long cables, balanced and/or 100V lines

may be necessary. Contact a specialist for advice.

Attaching rack ears to the MZ amplifier

Overview

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Arcam MZ8 Seite 6

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