Mark Levinson 53 Owner's Manual
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Mark Levinson 53 Owner's Manual

Reference power amplifier
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  • Page 1 Owner’s Manual Reference Power Amplifier...

  • Page 2: Fcc Notice

    This Class B digital apparatus complies with Canadian ICES-003. Cet appareil numérique de la Classe B est conforme à la norme NMB-003 du Canada. Mark Levinson and the Mark Levinson logo are trademarks of Harman International Industries, Incorporated, in the United States and/or other countries.

  • Page 3: 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 any ventilation openings. Install in accordance with the manufacturer’s instructions.

  • Page 4: Documentation Conventions

    Mark Levinson Safety Terms & Symbols These terms may appear in this manual: Terms in This Manual Warning! Calls attention to a procedure, practice, condition or the like that, if not correctly performed or adhered to, could result in personal injury or death.

  • Page 5: Table Of Contents

    Nº53 Power Amplifier Table of Contents Introduction ................2 Product Description ..............2 What’s in the Box ............... 3 Product Registration ..............4 Installation Considerations ............4 Unpacking ................. 4 Placement and Ventilation ............4 Power Requirements ............... 5 Operating States ................ 6 Front Panel ................

  • Page 6: Introduction

    From the isolated input circuitry to the unique Mark Levinson binding posts, special care was taken to minimize the introduction of noise. The input board is in a separate compartment, totally isolated from the other circuitry.
  • Page 7 With phenomenal output power capability, a larger dynamic range, cleaner operation, higher switching frequency, and a much lower noise floor than even most traditional linear amplifiers, the Nº53 provides extraordinary audio performance and proves once again that Mark Levinson power amplifiers truly represent the finest audio amplifiers available.

  • Page 8: What's In The Box

    Mark Levinson The Nº53 Reference monaural power amplifier includes: What’s in the Box Item Quantity Nº53 Reference power amplifier Nº53 owner’s manual (this document) Heavy white gloves 2 pairs Cable with 3.5mm mini-plugs (for use with trigger) Detachable AC power cord* *varies by destination country Register your Nº53 online at www.marklevinson.com within 15...

  • Page 9: Installation Considerations

    Nº53 for signs of damage during shipment. If damage is discovered, contact your authorized Mark Levinson dealer for assistance in making appropriate claims. use the built-in handles located at the top of the chassis to lift and move the amplifier.

  • Page 10: Power Requirements

    Levinson dealer if the operating voltage is incorrect or must be changed for relocation purposes. Different operating voltages may require the use of different power cords and/or attachment plugs. Contact a Mark Levinson dealer for additional assistance. The Nº53 is capable of passing remarkable sound at exceptional power levels.

  • Page 11: Operating States

    Nº53 Power Amplifier If this case occurs, consider installing a dedicated AC circuit for the home theater system. Contact a licensed electrician for assistance. If more than one AC circuit is providing power to the system, contact a licensed electrician to ensure that all components are operating with the same solid, low-impedance ground reference.

  • Page 12: Front Panel

    Mark Levinson Front Panel The front panel contains one LED and one button, as shown. Status LED Indicates the operating state of the Nº53 and provides basic diagnostic information when a fault condition occurs. Refer to the table below for descriptions of LED behavior.

  • Page 13: Rear Panel

    Nº53 Power Amplifier Rear Panel Control The Nº53 rear panel, shown on the left, provides power controls Input and all of the cable connections for the amplifier. The rear panel can be broken into four sections: • Control – includes connections for ML Net, Link2, and triggers, Binding Posts as well as the Power Save Mode switch.
  • Page 14 Engineering Society. Refer to the operating manual of your pream- plifier to ensure that the pin assignments of its balanced output connectors correspond to the Mark Levinson Nº53 power amplifier. If not, wire the cables so that the appropriate output pin connects to the equivalent input pin.
  • Page 15 Power Save mode. Link2 Ports Use the Mark Levinson Link2 protocol to link together two or more Mark Levinson components. For more information on the Link2 protocol and how to use it with the Nº53, refer to the “Link2”...
  • Page 16 Mark Levinson Ethernet Port This connection is designed for use with proprietary Mark Levinson external controllers, such as ML Net, and for use with a web browser, or it provides serial port control. For a list of available serial commands, refer to the separate document Nº5 Series Power Amplifier Serial Protocol Definitions.

  • Page 17: Network Setup

    Nº53 Power Amplifier Network Setup The Nº53 reference power amplifier supports network connection through the Ethernet port. The Nº53 can connect to a network through use of a router or directly to a computer. The Nº53 can be: 1. Connected to a router with DHCP active – We highly recommend using this option.

  • Page 18: Computer Requirements

    Mark Levinson The PC-compatible computer used to connect to the Nº53 must Computer have the following software installed: Requirements ® • Windows 2000 or Windows XP ® ® • Web browser (Microsoft Internet Explorer 6.0 or higher preferred) Note If DHCP is not active, then the computer must be set up with a static IP address.

  • Page 19: Internal Web Page

    Nº53 amplifier. • Error Reporting – tracks system-related error messages for the Nº53 amplifier. This page is a diagnostics tool for Mark Levinson Customer Service use. The Nº53 MUST be connected to a computer via the Ethernet port before you can access the internal Web page. Continue to the next section –...

  • Page 20: Connecting With Dhcp (Recommended)

    Mark Levinson • DHCP – turns the DHCP capability on or off. When activated, DHCP assigns a unique IP address to the Nº53. The factory default value is On. We recommend leaving DHCP set to On. Use this procedure if you are using a router with DHCP active to Connecting With connect to the amplifier.
  • Page 21 Nº53 Power Amplifier Network Setup for Windows XP 1. From the Start menu, select Control Panel. 2. Double-click on the Network Connections option. 3. Double-click on the Local Area Connection option. 4. Click the Properties button to open the Local Area Connection Properties menu.

  • Page 22: Connecting With Static Ip Addressing

    Mark Levinson 7. Select the “Use the following IP address” option. The IP address, Subnet mask, and Default gateway boxes are no longer grayed out and can now be modified. 8. Enter the following values: • IP address: 192.168.50.x – where x stands for a number other than 0, 4, or 255 •...

  • Page 23: Direct Connection

    Nº53 Power Amplifier 8. Observe that the Status section of the Web page identifies the host name of the amplifier. The host name can be modified, but only the first eight characters are affected; anything after the underscore may not be modified. To change the host name of the amplifier: A.
  • Page 24 Mark Levinson 5. The Home tab of the amplifier’s internal Web page is now displayed. The tab is in red text to indicate that it is the current page. 6. Observe that the Status section of the Web page identifies the host name of the amplifier.

  • Page 25: Ml Net

    ML Net uses a single “master” device to control specific functions of Masters and Slaves other ML Net-capable Mark Levinson products. An ML Net system can only have one master device; all other devices in the system become “slaves”. Slave devices receive and respond to the commands of the master device.

  • Page 26: Discovering Slaves

    Mark Levinson The figure below illustrates a typical ML Net setup: If more devices are desired than the router can handle, connect the additional devices first to a switch, then connect the uplink of the switch to a normal port on the router.
  • Page 27 Nº53 Power Amplifier The Nº53 slave(s) can report the following status information to the Status Reporting master device: • Temp (Temperature) – the current operating temperature of the amplifier(s). • Session Time – the amount of time that the amplifier(s) has been powered on.

  • Page 28: Link2

    Mark Levinson Link2 The main purpose of the Mark Levinson Link2 protocol is to allow a single “master” device to control other “slave” devices. Refer to the product documentation of each Mark Levinson product to verify compatibility and cabling requirements.

  • Page 29: Troubleshooting

    Incorrect operation is sometimes mistaken for malfunction. If problems occur, use this section for troubleshooting information. If problems persist, contact your authorized Mark Levinson dealer. 1. Examine the power cord to ensure that it is connected to both No Power (Standby the rear panel connector of the Nº53 and an electrical outlet.
  • Page 30 Power switch, wait at least 10 seconds, then turn the Power switch on). If the fault cannot be resolved, contact your authorized Mark Levinson dealer or contact Mark Levinson customer service. You must assign the slave from the master device. Verify that the Can’t Assign in ML Net...
  • Page 31 3. Visit www.marklevinson.com and search the knowledgebase for more information. 4. Contact your Mark Levinson dealer. Restoring Factory Defaults Pressing the Factory Default button on the internal Web page of the Nº53 Reference amplifier resets all settings to their factory default...

  • Page 32: Fault Protection

    (turn off the rear panel Power switch, wait at least 10 seconds, then turn the Power switch on). If the fault cannot be resolved, contact your authorized Mark Levinson dealer or contact Mark Levinson customer service. The fault conditions reported are: •...

  • Page 33: Care & Maintenance

    Nº53 Power Amplifier Care & Maintenance The Nº53 requires routine care and maintenance to ensure optimal performance. The bulleted items indicate maintenance procedures that should be performed on a regular basis. Turn off the Nº53 and unplug the rear AC power cord before performing maintenance to the amplifer.

  • Page 34: Specifications

    Mark Levinson Specifications All specifications are subject to change without notice. Input & Output Connectors • one balanced XLR input • one unbalanced RCA input • two pairs of “Hurricane” loudspeaker output binding posts with banana-plug sockets (banana-plug socket not available for some...
  • Page 35 Nº53 Power Amplifier...

  • Page 36: Declaration Of Conformity

    Bedford, MA 01730-1413 The equipment identified here conforms to the Directive(s) and Standard(s) specified above. Type of Equipment: Power Amplifier Models: Mark Levinson No. 53 Date: June 2008 Harman Specialty Group Vice President of Engineering 3 Oak Park Drive Bedford, MA 01730-1413 USA...

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