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Motion 50XT
Руководство пользователя Страница: 5

MartinLogan Motion 50XT Руководство пользователя онлайн [5/20] 170014

SINGLE WIRE CONNECTION

Please take note of the jumper clips installed

under the binding posts. These clips attach the

high-frequency and low-frequency sections of the

crossover together. Leaving these in place, con-

nect the (+) wire from your amplifier to either red

(+)binding post and the (–) wire from your ampli-

fier to either black (–) binding post (Fig. 1).

WARNING! Only after jumper

clips are removed may you connect

individual runs of speaker cable

from your amplifiers to the high-fre-

quency and low-frequency signal input binding

posts. Damage will occur to your amplifiers if

the jumper clips are not removed.

BI-WIRE CONNECTION

This connection method replaces the jumper clips

installed under the binding posts with individual runs

of speaker wire from your amplifier. This doubles

the signal carrying conductors from the amplifier to

the speaker, thus direct-coupling each portion of the

crossover to the amplifier.

To bi-wire you must first loosen the binding posts

and remove the jumper clips. Connect one set of

wires to the upper set of binding posts which con-

nect to the high-frequency drivers. Then connect

a second set of wires to the lower binding posts

which connect to the low-frequency drivers. Next,

connect both sets of wires to the appropriate termi-

nals on your amplifier. Please take care to connect

both (+) wires to the (+) amplifier terminals and both

(–) wires to the (–) amplifier terminals. This is known

as a parallel connection (Fig. 2).

PASSIVE BI-AMPLIFICATION

For those that desire ultimate performance, these

speakers may be passively bi-amplified using the

existing internal passive crossover elements.

This method takes the bi-wiring concept one step

further. You will have a dedicated channel of

amplification directly connected to the high- and

low-frequency sections of the crossover. With bi-

amplification, your preamplifier must have dual

outputs. If your preamplifier is not so equipped, you

must either purchase or construct a “Y” adapter.

To vertically bi-amp your speaker you must loosen

the binding posts and remove the jumper clips from

the speaker. Connect the right channel to the lower

binding posts and the left channel to the upper

binding posts. Connect the center preamplifier out-

puts to both inputs of the amplifier (Fig. 3).

ACTIVE BI-AMPLIFICATION

We do not recommend active bi-amplification. The

internal crossover can not be bypassed. This con-

nection method seriously degrades performance.

Fig. 3: Vertical bi-amplification connection.

One channel shown.

MartinLogan Motion 50XT Руководство пользователя онлайн [5/20] 170014

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