Mark Levinson 436 Manual de usuario

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 &

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

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