Mark Levinson 434 Owner's Manual
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Mark Levinson 434 Owner's Manual

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Owner' s Manual
Nº436
Nº434

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Summary of Contents for Mark Levinson 434

  • Page 1 Owner’ s Manual Nº436 Nº434...

  • Page 2: Important Safety Instructions

    Important Safety Instructions 1. Read these instructions 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with a dry cloth. 7. Do not block ventilation openings. Install in accordance with the manufacturer’s instructions. 8.

  • Page 3: Fcc Notice

    Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult an authorized Mark Levinson dealer or an experienced radio/TV technician for help. Caution! Changes or modifications not expressly approved by the party responsible for compliance could void the user’...

  • Page 4: Table Of Contents

    Introduction Mark Levinson Table of Contents Introduction Important Safety Instructions ......ii FCC Notice ........iii Documentation Conventions .
  • Page 5 Dimensions, Nº436 ......A-4 Dimensions, Nº434 ......A-6...

  • Page 6: Documentation Conventions

    Documentation Conventions This document contains general safety, installation, and operation instructions for the Nº436/434 Power Amplifiers. It is important to read this document before attempting to use these components. Pay particular attention to safety instructions. Appears on the component to indicate the presence of uninsulated, dangerous voltages inside the enclosure –...

  • Page 7: Section 1: Getting Started

    This section describes some of the design features that make this unique combination possible. Massive Power Supply The Nº436/434 uses a large, robust power supply with a high- capacity, low-noise toroidal transformer and four large, low ESR (Equivalent Series Resistance) capacitors. Specifically, the Nº436 uses a 2372 VA transformer with 80,000µF total capacitance, while...
  • Page 8 As a result, the Nº436/434 doubles its power output each time loudspeaker impedance is cut in half. For example, the Nº436 offers rated power at 350W per channel at 8Ω...
  • Page 9 Nº436/434 will operate from approximately 216-264V. Outside of these limits, the Nº436/434 will activate sleep mode. When AC mains voltage returns to the safe operating range, the Nº436/434 can be taken out of sleep mode using the standby button. •...

  • Page 10: Unpacking

    The Nº436 and Nº434 are massive power amplifiers. The Nº436 ships at 95 pounds (43.2kg) and the Nº434 ships at 65 pounds (29.5kg). Rear panel handles are provided for safe, convenient lifting and moving. Proper lifting requires at least two people.
  • Page 11 • place the Nº436/434 on a solid, flat, level surface such as a table, shelf, or floor OR bolt the Nº436/434 into a rack- mounting system. Use a purpose-built rack-mounting system to accommodate the weight of the power amplifier. Refer to “Rack-Mounting”...
  • Page 12 In some cases, the fans may be heard when lowering master volume after an extended period of high-volume listening. When the Nº436/434 is taken out of standby, the fans will activate momentarily to remove excess dust that may have accumulated in the heat sinks.

  • Page 13: Power Requirements

    Building regulations and electrical codes differ from location to location, making it impossible to anticipate the requirements of high- current AC circuits such as the Nº436/434 is capable of using. Contact a local, licensed electrician for information. Warm-up & Break-in Although the Nº436/434 delivers superior performance from the...
  • Page 14 After this initial period, performance will remain consistent unless power is disconnected from the Nº436/434. Power is considered disconnected when the Nº436/434 is powered off using the power button; the power cord is disconnected from the ~ac mains connector or the electrical outlet; or an extended power failure or power outage occurs.
  • Page 15 The Nº436 and Nº434 are designed to run somewhat warm without causing a safety hazard. The Nº436 dissipates about 175W of heat energy when powered on or idle (not in standby), and the Nº434 dissipates about 130W of heat energy when powered on or idle (not in standby).

  • Page 17: Section 2: Basic Operation

    The numbers in the front panel illustration shown above correspond with the numbered items in this section. 1. Power Button Powers the Nº436/434 on and off when the power cord is connected to the ~ac mains connector and an electrical outlet.
  • Page 18 LED behaviors. See “Extensive Protection” for additional information about fault conditions. If the Nº436/434 will not power on at all (even to sleep mode), examine ~ac mains connections or have an authorized Mark Levinson dealer inspect the internal fuses (which are not user-serviceable).

  • Page 19: Rear Panel

    The numbers in the rear panel illustration shown above correspond with the numbered items in this section. Caution! Never make or break connections to the Nº436/434 unless it and all associated components are powered off and disconnected from electrical outlets. Before making connections to the Nº436/ 434, make sure the associated preamplifier master volume is set to a reasonable level.
  • Page 20 • Connect the + (positive) binding post on the Nº436/434 to positive input on the associated loudspeaker. • Connect the – (negative) binding post on the Nº436/434 to negative input on the associated loudspeaker.
  • Page 21 PUSH Pin 2 signal + (non-inverting) associated preamplifier documentation to ensure that Nº436/434 XLR input pin assignments correspond to the asso- Pin 1 signal ground ciated preamplifier XLR output pin assignments. If not, wire the cable so that the appropriate input pin connects to the Pin 3 signal –...
  • Page 22 Mark Levinson power amplifier. Note Refer to “Linking” BEFORE linking the Nº436/434 to other Mark Levinson components. 7. RS-232 port Provides serial control. One connector labeled RS-232 is avail- able.
  • Page 23 One IEC-standard AC mains receptacle labeled ~ac mains is available. Note Before operating the Nº436/434, make sure the ~ac mains connector label indicates the correct operating voltage for the current location. Warning! The Nº436/434 has been safety-tested and designed for operation with a three-conductor power cord.

  • Page 24: Linking

    Basic Operation Mark Levinson Linking Linking is available for all Mark Levinson components with Link communication ports, including master, slave in, and slave out communication ports. These communication ports “link” compatible Mark Levinson components in a slave chain, allowing them to share Link controls.
  • Page 25 Use an 8-pin RJ-45 plug when connecting to a preamplifier. RJ-45 plugs provide an 8-pin connection. • Use a 6-pin RJ-11 plug when connecting to the Nº436/434 or another power amplifier. RJ-11 plugs provide a 6-pin connection in which connector pins 7 and 8 are not used.
  • Page 26 Mark Levinson components. To create a slave chain that includes the Nº436/434: 1. Make sure the Nº436/434 and all associated components are powered off. 2. Connect the slave in communication port on the first power amplifier to the slave out communication port on the preamplifier.
  • Page 27 4. Take the linked preamplifier out of standby. • All linked power amplifiers should come out of standby as well. If this does not occur, repeat steps 3 and 4. If problems persist, contact your authorized Mark Levinson dealer.
  • Page 28 Basic Operation Mark Levinson Link Controls Linking Mark Levinson components allows them to share Link controls. The table below provides a general description of controls the Nº436/434 shares with linked preamplifiers and power amplifiers. Some controls may not be available for certain component combinations.

  • Page 29: Section 3: Troubleshooting & Maintenance

    10 seconds between powering the Nº436/434 off and on. • A fuse may be blown inside the Nº436/434. In this case, disconnect the power cord from the ~ac mains connector and the electrical outlet. Then, contact an authorized DO NOT Mark Levinson dealer.
  • Page 30 Mark Levinson Troubleshooting (continued) 2. No audio and the indicator LED is dimly lit. • The Nº436/434 is in sleep mode. To take it out of sleep mode, press the standby button. The Nº436/434 will enter standby. • A power loss or power outage may have occurred. In this case, power cycle the Nº436/434 using the power button,...
  • Page 31 7. No audio and the indicator LED is lit at full brightness. • The Nº436/434 is powered on, but is not passing a signal. Examine signal cables to ensure a solid connection between the Nº436/434 and the associated preamplifier and loudspeakers.

  • Page 32: Care & Maintenance

    Troubleshooting & Maintenance Mark Levinson Care & Maintenance The Nº436/434 requires routine care and maintenance to ensure optimal performance. The bulleted items included in this section indicate maintenance procedures that should be performed on a regular basis. Note Failure to perform the maintenance procedures included in this section may void the manufacturer’...

  • Page 33: Appendix

    26.8dB Voltage gain: • 2.83V output: 130mV for both models Input sensitivity: • full output: 2.419V for Nº436 • full output: 1.445V for Nº434 • 525W (±5%) on Nº436 power consumption: • • 100W (±5%) standby 275W (±5%) on Nº434 power consumption: •...
  • Page 34 Appendix Mark Levinson Specifications (continued) See “Dimensions, Nº436” and “Dimensions, Nº434” Overall dimensions: • shipping: 95 pounds (43.2kg) Nº436 weight: • net: 85 pounds (38.6kg) • shipping: 65 pounds (29.5kg) Nº434 weight: • net: 56 pounds (25.5kg) • 2 custom-designed loudspeaker binding posts Connector complement: •...

  • Page 35: Declaration Of Conformity

    Bedford, MA 01730-1413 USA The equipment identified here conforms to the Directive(s) and Standard(s) specified above. Type of Equipment: Power Amplifiers Models: Mark Levinson Nº436 and Nº434 Date: July 2004 Harman Specialty Group Vice President of Engineering 3 Oak Park...

  • Page 36: Dimensions, Nº436

    Appendix Mark Levinson Dimensions, Nº436 17.75” 45.09cm 6.97” 7.65” MONO AMPLIFIER 17.7cm Nº436 19.4cm standby power 3.31” 5.375” 8.4cm 13.7cm MA R K LEVINSON MONO AMPLIFIER Nº 436 trigger inputs communication ~ ac mains slave in slave out RS-232 6.75”...
  • Page 37 Nº436/434 Appendix 17.5” 44.5cm 5.25” 13.3cm 18.5” 47cm 20.21” 51.33cm 0.5” 1.27cm 0.375” 0.95cm 0.83” 2.1cm “ indicates inches...

  • Page 38: Dimensions, Nº434

    Mark Levinson Dimensions, Nº434 17.75” 45.09cm MONO AMPLIFIER Nº434 5.22” standby 5.91” 13.3cm 15cm power 3.31” 5.375” 8.4cm 13.7cm MARK LEVINSON MONO AMPLIFIER Nº434 trigger ~ ac mains communication inputs slave in slave out RS-232 trigger 5.0” 12.7cm “ indicates inches...
  • Page 39 Nº436/434 Appendix 17.5” 44.5cm 5.25” 13.3cm 18.5” 47cm 20.21” 51.33cm 0.5” 1.27cm 0.375” 0.95cm 0.83” 2.1cm “ indicates inches...
  • Page 40 3 Oak Park, Bedford, MA, 01730-1413 USA | Telephone: 781-280-0300 | Fax: 781-280-0490 | www.marklevinson.com Customer Service: Telephone: 781-280-0300 | Sales Fax: 781-280-0495 | Service Fax: 781-280-0499 Product Shipments: 16 Progress Road, Billerica, MA 01821-5730 USA Part No. 070-630430 | Rev 6 | 07/04...

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