Arcam A28 Betriebsanleitung PDF herunterladen (Seite 8)

E-8

loudspeakers

Notes on making speaker

connections

< Do not make any connections to any amplier

while it is switched on. We recommend that

your amplier is completely disconnected

from the mains supply before starting.

< Before switching your amplier(s) on for the

rst time aer connecting to speakers, please

check all connections thoroughly. Ensure

that bare wires or cables are not touching

each other or the amplier’s chassis (which

could cause short circuits), and that you

have connected positive (+) to positive and

negative (–) to negative. Be sure to check the

wiring for both the amplier and the speaker.

< Aer making connections: switch the

amplier(s) on, select a source signal, then

gradually increase the volume to the required

listening level.

< If you are unsure as to how your system

should be connected, or need advice on

bi-wiring or bi-amping, please contact your

Arcam dealer who will be happy to help you.

Single wiring

Single wiring is the conventional wiring method of

running a single cable per channel between the amplier

and the speaker; this is the easiest technique.

Bi-wiring

Bi-wiring is running two separate cables between the

amplier and each speaker, with one cable carrying

the low-frequency information, the other the higher-

frequency signals.

Bi-wiring can improve the sound of your system because

the separation of high- and low-frequency signal

currents into dierent speaker cables avoids distortions

caused by the dierent currents interacting with one-

another within a single cable.

e A28 is designed to allow easy bi-wiring, but your

loudspeakers need to provide separate terminals for

the two cables. Each speaker must have two pairs of

terminals; one pair labelled HF or ‘High Frequency’, the

other pair labelled LF or ‘Low Frequency’.

Bi-amping

Bi-amping is the separation of the amplication of low-

and high-frequency signals over two ampliers.

Bi-amping requires the use of two ampliers per

channel. Normally, your A28 is used to drive the high-

frequency (treble) speakers, with a P38 used for the

lower (bass) frequencies.

Connecting loudspeakers to the A28

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 16 17

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