Arcam A38 Handbook - Page 14

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P38

connections

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Using a pair of P38s with the Mono Link to bi‑amplify a pair of speakers

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connecting to loudspeakers

The P38 amplifier may be connected by simple wiring,

bi-wiring or bi-amping – see page 9 for details. In

addition, see the following section on the Mono Link

(and the diagram below) for another way of bi-amping

loudspeakers using a pair of P38s.

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other connections

The P38 amplifier provides the following connections:

audio in

Connect the output sockets of your pre-amp. (or the

sockets of an integrated amplifier, such as the

PrE out

A38) to one of these inputs.

Mono link

The P38 can be adapted to provide two mono

loudspeaker outputs from a single input. Using a pair of

P38s (i.e. one power amplifier per loudspeaker) enables

you to bi-amplify a pair of compatible loudspeakers,

reducing the amount of cross-talk between channels

compared with using the P38 in a more conventional

stereo configuration.

Connect the

channel from your pre-amp

rIGht

(or

from an A38) to the socket labelled

PrE out r

on your first P38.

AudIo In r

Pull out the link supplied on the back panel

(labelled 'link'), and use it to connect the left and

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right

sockets together.

AudIo out

Repeat steps 1 and 2 on your second P38, but

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this time connect the

channel from your

LEft

pre-amp (or

from an A38) to the socket

PrE out L

labelled

AudIo In L

Follow the diagram (left) for bi-wiring each

speaker, using the

connections of the P38

sP2

for the high-frequency speaker and the

connections for the low-frequencies in each case.

e-14

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daisy chaining more amplifiers

The P38 can be connected to further power amplifiers

to drive more speakers (e.g., those in other rooms,

tri-amplified speakers, etc). This technique is called

'Daisy chaining' .

Connect the

AudIo out

pre-amp input of the next amplifier in series, left to left,

right to right.

Note that daisy-chaining cannot be used if the Mono

Link (previously described) is in use.

sP1

sockets on the P38 to the