Mark Levinson N432 N431 User Manual

Owner’s ManualNº432Nº431

10Operating States The Nº432/431 has four operating states:1. OffPower is disconnected from the ~ac mains connector. 2. Sleep ModePower is connected t

11Special Design FeaturesThank you for purchasing the Nº432/431 Power Amplifier. Whilethese amplifiers are straightforward in everyday use, they inclu

12Extensive Protection The Nº432/431 is designed to shut itself down if it senses any of anumber of fault conditions that could cause damage to itself

13powerstandbyDUAL MONO AMPLIFIERNº432231Front PanelThe numbers in the front panel illustration shown above correspondwith the numbered items that beg

142. Power ButtonPowers the Nº432/431 on and off when the power cord isconnected to the ~ac mains connector and an electrical outlet.When the Nº432/43

15controlcontrolinputcontrol1212triggerouttriggerinpower savemodeonoff~ ac mainsLEFT CHANNELRIGHT CHANNEL41 2outputs3inputs1inputs2outputs3456897Rear

16Caution! NEVER connect power amplifier outputs to any componentother than a loudspeaker.NEVER short-circuit power amplifier outputs.NEVER connect po

174. Balanced InputProvides left and right-channel audio input. One stereo XLRconnector is available to accept balanced input signals from anassociate

187. trigger in and out connectorsProvide DC trigger control. One 1/8-inch mini-jack labeledtrigger in is available to receive 12 or 5V DC signals fro

199. ~ac mains connectorProvides power to the Nº432/431 through the supplied powercord when the supplied power cord is connected to the ~acmains conne

WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DONOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.CAUTIONRISK OF ELECTRIC SHOCKDO NOT OPENCAUTION

20LinkingLinking is available for all Mark Levinson components that offerLink or communication ports, including master, slave in,slave out, , input

21Constructing Link Link communication cables can be constructed using anCommunication Cables 8-conductor modular telephone cable with the appropriate

Component Requirements & Connections22• Must include components that are connected in a certainorder to prevent communication from terminating. Po

23Refer to the table on the previous page and to the illustrationbelow for additional assistance.controlNº320S PreamplifierStep A:Connect the

Preamplifier Power AmplifierControlComponent244. Take the linked preamplifier out of standby. •All linked power amplifiers should come out of standby

25TroubleshootingIncorrect operation is sometimes mistaken for malfunction. Ifproblems occur, refer to this section for troubleshooting information.If

263. No audio and the front panel indicator LED isblinking slowly.• The Nº432/431 is in standby. To take it out of standby,press and release the stand

277. No audio and the front panel indicator LED is litat full brightness.• The Nº432/431 is powered on, but is not passing a signal.Examine signal cab

28Care & MaintenanceThe Nº432/431 requires routine care and maintenance to ensureoptimal performance. The bulleted items included in this sectioni

29SpecificationsThe correlation between published specifications and performance isunreliable. Measurements of your amplifier yield excellent results

Please read all instructions and precautions carefully and completely before operating your MarkLevinson power amplifier.Important Safety Instructions

30Declaration of ConformityApplication of Council Directive(s):89/336/EEC and 73/23/EEC, as amended.Standard(s) to which Conformity is Declared:• EN 5

31Dimensions, Nº43217.75"45.09 cm7.65"19.4 cm6.97"17.7 cm3.31"8.4 cm5.375"13.7 cm6.75"17.15 cm5.25"13.3 cm18.5"

32Dimensions: Nº43117.75"45.09 cm5.91"15 cm5.22"13.3 cm3.31"8.4 cm5.375"13.7 cm5.25"13.3 cm18.5"47 cm19.83"50.

33Rack-MountingIf you need or prefer to rack mount your amplifiers, contact yourMark Levinson dealer about the optional rack mount kit. Thispurpose-de

34Notes

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3 Oak Park, Bedford, MA, 01730-1413 USA | Telephone: 781-280-0300 | Fax: 781-280-0490 | www.marklevinson.comCustomer Support: Telephone: 781-28

4“Mark Levinson” and the Mark Levinson logo are registered trademarks ofHarman International Industries. U.S. patent numbers and other worldwidepatent

5Table of ContentsUnpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6Product Registration . . . . . . . . . . . .

6UnpackingWarning! DO NOT attempt to lift or move the Nº432/431 withoutadequate assistance. Failure to follow the procedures includedin this section m

7Installation ConsiderationsThe Nº432/431 requires special care during installation to ensureoptimal performance. Pay particular attention to the prec

8Ventilation • DO select a dry, well-ventilated location out of direct sunlight. • DO allow at least a 2 to 3-inch (5 to 8cm) clearance above theNº432

9The Nº432/431 is capable of passing remarkable musical signalsregardless of signal and loudspeaker demands. On either aninstantaneous or continuous b