Arcam A38 Podręcznik - Strona 9

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Single wiring

Both the A38 and P38 are designed for bi-wiring, which is why there are duplicate speaker

terminals on the back. For single wiring, we recommend that you use the lower set of

speaker terminals on your amplifier. If each speaker has more than one pair of connecting

terminals, use the terminals labelled

or 'Low Frequency' for each speaker.

Connect the positive terminal of the right speaker connection on the amplifier (coloured

red and labelled

) to the positive terminal of your right speaker. Similarly, connect the

negative terminal of the amplifier (coloured black and labelled with

terminal of your speaker. Repeat the process for the left speaker, using the amplifier

terminals labelled

and

L–

If your speakers support bi-wiring, then there is a strip of conductive metal on the

speakers connecting the low-frequency terminals to those for the higher-frequencies; this

mUST NOT bE REmOVED in a single-wired system.

bi-wiring

Bi-wiring is performed in the same way as single wiring except that, for each speaker, a

pair of cables are used to connect the amplifier to each speaker.

Follow the instructions given for single wiring; then perform the same actions, this time

connecting the upper set of speaker terminals on your amplifier to the terminals labelled

or 'High Frequency' for each speaker. Please refer to the illustration.

Speakers that support bi-wiring have a strip of metal on the speakers connecting the low-

frequency terminals to those for the higher-frequencies; this mUST bE REmOVED in a

bi-wired system.

bi-amping

Bi-amping requires the use of two amplifiers per channel. Normally, your A38 is used to

drive the high-frequency (treble) speakers, while a power-amplifier (such as a P38) is used

for the lower (bass) frequencies.

Connect your A38 to the speakers as described for single wiring, with the exception that

the A38 should be connected to the speaker terminals labelled

Then connect the power amplifier (P38, for example) to the

terminals, as in the diagram. A pair of audio interconnect cables are also required to

connect the pre-amp outputs of the A38 to the power amp inputs of the P38.

Note that the strip of metal on the speakers connecting the lower terminals to the

upper terminals mUST bE REmOVED. Failure to do so will result in damage to both

amplifiers, which will not normally be covered under warranty.

) to the negative

r–

or 'High Frequency' .

or 'Low Frequency'

An A38 or P38 connected to speakers using single wiring

An A38 or P38 connected to speakers using bi‑wiring

An A38 and P38 connected to speakers using bi‑amping

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