Mark Levinson 431 Manuale del Proprietario

Owner’s ManualNº436Nº434

1-4Getting Started Mark LevinsonUnpackingWarning! DO NOT attempt to lift or move the Nº436/434 withoutadequate assistance. Failure to follow the proce

1-5Nº436/434 Getting StartedPlacement • DO review “Important Safety Instructions” and “PowerRequirements” before installing the Nº436/434.• DO place t

1-6Getting Started Mark LevinsonVentilation The Nº436/434 uses a sophisticated ventilation system thatcombines passive convection and active, fan-driv

1-7Nº436/434 Getting StartedPower RequirementsWhen shipped, the Nº436/434 is configured for 100V, 120V, 220V,230V or 240V AC power operation at 50 or

1-8Getting Started Mark LevinsonAfter this initial period, performance will remain consistent unlesspower is disconnected from the Nº436/434. Power is

1-9Nº436/434 Getting StartedNote The Nº436 and Nº434 are designed to run somewhat warm withoutcausing a safety hazard. The Nº436 dissipates about 175W

2-1Front PanelThe numbers in the front panel illustration shown above correspondwith the numbered items in this section.1. Power ButtonPowers the Nº43

2-2Basic Operation Mark LevinsonFront Panel (continued)2. standby buttonPlaces the Nº436/434 into standby or sleep mode and takesthe Nº436/434 out of

2-3Nº436/434 Basic OperationRear PanelThe numbers in the rear panel illustration shown above correspondwith the numbered items in this section.Caution

1. Read these instructions2. Keep these instructions.3. Heed all warnings.4. Follow all instructions.5. Do not use this apparatus near water.6. Clean

2-4Basic Operation Mark LevinsonRear Panel (continued)2. fan outletProvides an outlet for active, fan-driven cooling. A 1/4-inch(6.4mm) inlet between

2-5Nº436/434 Basic OperationCaution! DO NOT OVER-TIGHTEN the Nº436/434 binding posts. Theinnovative design of these binding posts provides more levera

2-6Basic Operation Mark LevinsonRear Panel (continued)6. Link communication portsProvide “links” to compatible Mark Levinson preamplifiersand power am

2-7Nº436/434 Basic Operation9. ~ac mains connectorProvides power to the Nº436/434 through the supplied powercord when the supplied power cord is conne

2-8Basic Operation Mark LevinsonLinkingLinking is available for all Mark Levinson components with Linkor communication ports, including master, slave

2-9Nº436/434 Basic OperationConstructing Link Link communication cables can be constructed using anCommunication Cables 8-conductor modular telephone

2-10Basic Operation Mark LevinsonCreating a Slave Chain (continued)Note The slave chains in this section include preamplifiers and poweramplifiers. Ho

2-11Nº436/434 Basic OperationIf desired, connect the slave out communication port on thefirst power amplifier to the slave in communication port onano

Preamplifier Power Amplifier(s)• Placing the linkedpreamplifier into standbyplaces all linked poweramplifiers into standby. •Taking the linkedpreampli

3-1TroubleshootingIncorrect operation is sometimes mistaken for malfunction. Ifproblems occur, refer to this section for troubleshooting information.I

FCC NoticeThis equipment has been tested and found to comply with the limits for a Class B digital device,pursuant to part 15 of the FCC Rules. These

3-2Troubleshooting & Maintenance Mark LevinsonTroubleshooting (continued)2. No audio and the indicator LED is dimly lit.• The Nº436/434 is in slee

3-3Nº436/434 Troubleshooting & Maintenance6. No audio and the indicator LED is rapidly blinking, remainingunlit for longer intervals.•A thermal-re

3-4Troubleshooting & Maintenance Mark LevinsonCare & MaintenanceThe Nº436/434 requires routine care and maintenance to ensureoptimal performan

A-1SpecificationsNº436 rated power output: • 350 w/ch rms power @ 8Ω• 700 w/ch rms power @ 4ΩNº434 rated power output: • 125 w/ch rms power @ 8Ω• 250

A-2Appendix Mark LevinsonSpecifications (continued)Overall dimensions: • See “Dimensions, Nº436” and “Dimensions, Nº434”Nº436 weight: • shipping: 95 p

A-3Nº436/434 AppendixDeclaration of ConformityApplication of Council Directive(s):89/336/EEC and 73/23/EEC, as amended.Standard(s) to which Conformity

A-4Appendix Mark LevinsonDimensions, Nº43617.75”45.09cm5.375”13.7cm3.31”8.4cm6.97”17.7cm6.75”17.15cmpowerstandbyMONO AMPLIFIERNº4367.65”19.4cm~ ac mai

0.5”1.27cm0.83”2.1cmA-5Nº436/434 Appendix17.5”44.5cm20.21”51.33cm5.25”13.3cm18.5”47cm0.375”0.95cm“ indicates inches

A-6Appendix Mark LevinsonDimensions, Nº43417.75”45.09cm5.375”13.7cm3.31”8.4cm5.22”13.3cm5.0”12.7cmpowerstandbyMONO AMPLIFIERNº4345.91”15cm~ ac mains21

A-7Nº436/434 Appendix0.5”1.27cm0.83”2.1cm17.5”44.5cm20.21”51.33cm5.25”13.3cm18.5”47cm0.375”0.95cm“ indicates inches

ivIntroduction Mark LevinsonTable of ContentsIntroductionImportant Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . .iiFCC Notice

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

vNº436/434 IntroductionAppendixSpecifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-1Declaration of Conformity . . .

viIntroduction Mark LevinsonDocumentationConventionsThis document contains general safety, installation, and operationinstructions for the Nº436/434 P

1-1Special Design FeaturesThank you for purchasing the Nº436/434 Monaural PowerAmplifier, combining the massive power and strength of a largepower amp

1-2Getting Started Mark LevinsonSpecial Design Features (continued)True Voltage Source The Nº436/434 operates as a true voltage source, maintaining th

1-3Nº436/434 Getting StartedIn addition, the Nº436/434 uses state-of-the-art protections toguard against the following fault conditions:• Signal-relat