Mark Levinson 53 Manuel du propriétaire télécharger pdf (Page 6)

Mark Levinson

Introduction

Thank you for purchasing the Nº53 Reference monaural power

amplifier. Totally redesigned and incorporating patented new

technologies, the Nº53 outperforms even the esteemed Nº33 in

both audio presentation and power performance.

Product Description

The Mark Levinson® Nº53 Reference monaural power amplifier

elevates amplifier performance to an entirely new level of

excellence. After extensive listening tests and exhaustive

measurements, the Nº53 demonstrates a phenomenal level of

performance capability with a larger dynamic range, cleaner

operation, and higher power levels through our proprietary

Interleaved Power Technology (IPT). The Nº53 can pass a musical

signal with utter integrity, regardless of how demanding that signal

and the loudspeakers used might be.

The Nº53 is capable of generating truly phenomenal power levels

into virtually any speaker load to support both instantaneous and

continuous demands. More impressive still, the Nº53 accomplishes

this feat without the slightest change in performance capability.

Unlike most amplifiers, the Nº53 has superbly efficient power

management, maintaining a constant thermally-balanced operating

temperature no matter how hard or long the amplifier is driven.

The Nº53 design incorporates the best qualities of traditional Mark

Levinson power amplifiers while adding our new IPT technology for

vastly superior sonic performance and a noise floor so low, it must

be experienced to be believed. From the isolated input circuitry to

the unique Mark Levinson binding posts, special care was taken to

minimize the introduction of noise. The input board is in a separate

compartment, totally isolated from the other circuitry. Whether the

input signal is single-ended or balanced, the input stage treats all

incoming signals as balanced to maximize the rejection of common

mode signals, preventing introduced noise from being applied to

the amplifier.

The low-noise toroidal power supply features an oversized 2.8kVA

transformer with four 47,000µF low-ESR capacitors for more than

ample energy storage capacity. A separate, dedicated power supply

for the control circuitry provides double isolation between the main

audio supply and the noisier, digital control circuits. The second

power supply also contributes to more efficient power management

as the main supply is shut down during power save mode.

The chassis is comprised of four separate internal compartments to

provide shielding and isolation of critical circuitry. The power

supplies are placed in the bottom compartment, isolated and

shielded from the rest of the amplifier, to reduce interference from

magnetic fields and high current devices. The middle section

contains four amplifiers arranged symmetrically and mirror-imaged

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Mark Levinson 53 Manuel du propriétaire Page 6

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