Mark Levinson 53 Manuel du propriétaire télécharger pdf (Page 14)

Mark Levinson

Loudspeaker Binding

Posts

The Nº53 has two pairs of custom-made, gold-plated, high-current

“hurricane” loudspeaker binding posts; each pair connected directly

to the output of the amplifier. The positive binding posts, labeled +

(positive), are red; the negative binding posts are black and are

labeled – (negative).

Note Ensure when connecting the loudspeaker that at least one positive and

one negative binding post is used. There is NO ground reference.

Banana plugs can also be used to connect the speaker cables to the

binding posts via the banana-plug sockets. Banana-plug sockets are

not available for some models.

Caution! DO NOT OVERTIGHTEN the binding posts. The innovative design

of these binding posts provides more leverage, ensuring that

high-contact, tight-pressure connections are achieved when

finger-tightened.

DO NOT FORCE the binding-post “wings” over a bent or oversized

connector. Doing so may damage the binding post.

Input

One balanced and one single-ended (unbalanced) connector are

available for the audio input.

The pin assignments, shown below, of the XLR-type female input

connector are consistent with the standards adopted by the Audio

Engineering Society. Refer to the operating manual of your pream-

plifier to ensure that the pin assignments of its balanced output

connectors correspond to the Mark Levinson Nº53 power amplifier.

If not, wire the cables so that the appropriate output pin connects

to the equivalent input pin.

Pin Assignments:

Pin 1: Signal Ground

Pin 2: Signal + (non-inverting)

Pin 3: Signal - (inverting)

Connector Shell - Chassis Ground

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Mark Levinson 53 Manuel du propriétaire Page 14