Musical-fidelity KW250S Bedienungsanleitung PDF herunterladen (Seite 19)

KW250S

AMPLIFIER CONNECTIONS

Issue 3: 12th July 2006

All input, output and power connections should be

made with the mains power switched OFF.

INPUT CONNECTIONS

Phono:

The KW250S has a pair of RCA type phono

input sockets intended for use with moving magnet

(MM) or moving coil (MC) pickups. Some

turntable/pickup arm combinations are fitted with an

extra wire for chassis earth. This should be connected

to the earth terminal on the back panel.

Line level inputs:

The unit also has two stereo pairs of

RCA “line level” input sockets controlled by the

internal volume setting.

They both have the same input sensitivity, and are

therefore suitable for use with any source component

having a line output of 300mV nominal. The two

sockets on the rear panel are marked,

AUX1,

AUX2/PDI

, corresponding with function selector

buttons on the front panel. The

AUX2/PDI

input

sockets on the back share the same input as the PDI

input jack at the front.

Do not connect devices to both sides of the AUX2

input simultaneously. Please see note P.20

Digital inputs:

Digital sources are catered for on the

AUX1, AUX 2 inputs. Unit automatically switches

AUX1 input to digital source type (coax/optical) on

insertion of a lead with digital signal present.

OUTPUT CONNECTIONS

Speakers:

Connect your loudspeakers to the terminals

on the back panel marked as

LEFT

and

RIGHT

SPEAKER

outputs. Make sure both speakers are

connected with the same polarity.

PRE-:

The KW250S has its pre-amplifier output

available from RCA sockets on the back panel marked

PRE-OUT

, and is controlled by the volume

adjustment.

This is to allow “bi-amplification” using suitable

external amplifiers and crossover networks to power

the speaker drive components separately, giving

noticeable improvement in clarity, imaging and bass

weight. In this arrangement, typically the KW250S

speaker outputs may be used to drive the speaker’s

“tweeter” (high audio frequencies), and an external

higher power stereo amplifier(s) could drive the

“woofer” (low frequencies).

The KW250S’s

PRE OUT

RCA sockets would

therefore be connected to the input of the external

“woofer” amplifier in this example.

If you are in doubt about bi-amplification, please

contact your dealer for advice.

TAPE OUT:

The KW250S has a single tape output

with facilities for recording material to a suitable line-

level recorder such as tape, CD-R/RW, minidisk etc.

The tape deck's line inputs are connected to the units’

TAPE OUT

sockets to record the material being

listened to. The line outs should be connected to the

unused of the

AUX

inputs

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