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A Mark Levinson Amplifier for the
Multi-Channel Age

The N

º

433, Mark Levinson’s first three-

channel, single-chassis power amplifier, is a

significant milestone.  It combines multi-

channel flexibility with the legendary quality

and performance of our traditional single- and

dual-monaural designs.  The N

º

433 is our

recognition that today’s home entertainment

enthusiasts have a plethora of choices avail-

able to them, that a growing number of these

choices use multi-channel sound to express

artistic vision, and that today’s audiences

deserve no less than the most truthful aural

windows possible. The N

º

433 is ideal for this

demanding role.  

The Power of Three

A three-channel amplifier is inherently flexi-

ble.  It lets you power all front speakers (Left,

Center, and Right) with identical circuitry

and use your existing amplifier for the

surround channels.  Are you adding multi-

channel capability to an already-exceptional

stereo music system?  The N

º

433 can

provide power for a Center and two

Surround speakers.  

Flexibility and Quality

Fitting three separate amplifiers in an enclo-

sure normally devoted to one or two

presented significant challenges, including

potential interference and heat dissipation

issues far beyond those encountered in

single- and dual-mono amplifiers.  

In addition, power amplifiers are core compo-

nents of any high performance entertainment

system.  Power amplifiers play an inherently

difficult role as they need to be authoritative

enough to drive a wide variety of demanding

speakers, yet transparent in order to preserve

sonic neutrality.  

A Multi-Channel Standard

The N

º

433 is no exception to the demanding

standards that Mark Levinson amplifiers have

defined for more than three decades.  Rated

at 200 watts per channel into 8 Ohms and

400 watts per channel into 4 Ohms, the

N

º

433 is convection cooled and utilizes

exposed internal heat sinks for each channel.

With basic design directly traceable to our

N

º

432 and N

º

431 dual-monaural power

amplifiers, the N

º

433 boasts three massive

Nº433

TRIPLE-MONO POWER AMPLIFIER

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