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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