Mark Levinson 436 User manual
Nº436 & Nº434
MONO POWER AMPLIFIERS
Power amplifiers are core components of any
high performance entertainment system.
Their task is formidable - they must comfort-
ably drive any of a wide variety of demanding
speakers while preserving all the power and
nuance of the source material. The ability to
maintain sonic neutrality, while exercising
brute force or finesse as appropriate, is an
attribute that has made Mark Levinson
power amplifiers the standard in the industry
for nearly 30 years.
The Nº436 and Nº434 continue the Mark
Levinson tradition in a design that is perfectly
suited to multi-channel audio and theater
installations as well as two-channel systems.
A sophisticated thermal management system
that incorporates cross-cut exposed internal
heat sinks makes the Nº436 and Nº434 ideal
for systems where space and ventilation are
limited. Built to be rack-mountable, the
Nº436 and Nº434, in combination
with the rest of the 400
Series power amps,
offer a wide range
of options for high-
end multi-channel
systems.
The physical and sonic properties
of the Nº436 and Nº434 are built upon
Nº436 &
N
º434
MONO POWER AMPLIFIERS
Nº436
Nº436 Interior
the Mark Levinson power amplifier tradition.
The power supply is the foundation that all of
the audio circuitry is built upon. Both amps
benefit from a massive, dedicated, independ-
ent linear power supply. Our ongoing
listening tests continue to confirm that abun-
dant clean power is essential for high
performance. Precise control of this power
reserve is the task of the amplifier's voltage
gain and output stage circuitry. Mark
Levinson amplifiers have always featured
precision circuitry designed to fully exploit
balanced signals. Rather than adding op-amp
buffers, or simply duplicating circuitry for
both halves of the balanced input signal as
many other amplifiers do, Mark Levinson
amplifiers feature an advanced, inherently
balanced topology for greater efficiency,
performance and sonic benefits. The Nº436
and Nº434 have power ratings of 350 and
125 watts into 8 Ohms, and 700 and 250
watts into 4 Ohms, respectively.
As with all Mark Levinson amplifiers, particu-
lar attention is paid to the layout and circuitry
connections. All circuit boards are laid out by
our engineers rather than by a computer
program. These new amplifiers outperform
their predecessors in part because of the
refinement of circuit layout. Additionally, the
ultra high performance parts that make up
the balanced circuits are able to work to their
full potential because they reside in the most
neutral circuit board material known as Arlon
25. The output stage of these new amplifiers
is similar to our other power amplifiers. The
matched output transistors continue to be the
best performing parts available for this appli-
cation and they are mounted directly to the
exposed internal black anodized aluminum
heat sinks.
The Nº436 and Nº434 set a new standard for
multi-channel and theater audio. Powerful,
elegant, and musical, these remarkable prod-
ucts combine stunning audiophile
performance and system flexibility without
compromise.
Nº434
3 Oak Park, Bedford, MA 01730-1413 USA
Tel: 781-280-0300 | Fax: 781-280-0490
www.marklevinson.com
Specifications are subject to change without notice.
Mark Levinson®is a registered trademark of
Harman International Industries, Incorporated.
Not responsible for typographic errors.
Part # 072-16385
Nº436/434 MonoPowerAmplifiers
Rated power output: Nº436
350W/ch continuous rms power @ 8Ω
700W/ch continuous rms power @ 4Ω
Nº434
125W/ch continuous rms power @ 8Ω
250W/ch continuous rms power @ 4Ω
all above power ratings measured as continuous (rms) power from 20Hz–20kHz with no more than
0.5% THD (assuming that the AC mains can deliver adequate current, without its own voltage sagging)
Frequency response: within 0.3dB from 20Hz to 20kHz
Signal-to-noise ratio
(main outputs): better than –80dB (ref. 1W, 8Ω)
Voltage gain: 26.8dB
Input impedance: 100kΩ(balanced)
50kΩ(single-ended)
Input sensitivity: Nº436
2.42V for full rated output
Nº434
1.44V for full rated output
Output impedance: less than 0.05Ωfrom 20Hz to 20kHz
Power consumption: Nº436
typically 525 watts (±5%) on
typically 100 watts (±5%) in standby
Nº434
typically 275 watts (±5%) on
typically 100 watts (±5%) in standby
Mains voltage: 100V, 120V, 200V, 220V, or 240V at either 50 or 60Hz, factory set for destination country
Connector complement: (1) pair custom binding posts
(1) balanced input on XLR
(1) single-ended input on Madrigal RCA
(1) 3.5mm trigger out jack
(1) 3.5mm trigger in jack
(1) RJ-45 communications port (Mark Levinson Linking™)
(1) RJ-11 communications port (Mark Levinson Linking™)
(1) RS-232 communications port on RJ-11
(1) IEC-standard AC receptacle
Overall dimensions: Nº436
width: 17.75" (45.1cm)
height: 7.65" (19.4cm)
depth: 20.21" (51.3cm)
Nº434
width: 17.75" (45.1cm)
height: 5.91" (15.0cm)
depth: 20.21" (51.3cm)
Shipping weight: Nº436 95lb (43.7kg) each
Nº434 65lb (29.9kg) each
Specifications are subject to change without notice.
Nº436
This manual suits for next models
3
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