Mark Levinson No532 User's Manual
Contents
1. 532 does not blink if the amplifier is in the Power Save mode After configuring each device on the network connect all of the devices together Ensure that all components are powered off or in Standby mode before connecting to the Ethernet ports Each device must be connected to the same network and use the same subnet Refer to the Network Setup section for instructions on how to connect the N 532 to the network 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 N2532 Power Amplifier Discovering Slaves Status Reporting Fault Reporting The figure below illustrates a typical ML Net setup N2502 Media Console Master prj v Power Amplifier 4 m Slave Router N 532 Power Amplifier 1 AL Slave N 532 Power Amplifier 3 Slave N2532 Power Amplifier 2 Slave Before the master device can control any slave device the slave devices must be discovered and assigned to the master device Refer to the Owner s Manual of the designated master device for further information about discovering and assigning slave devices The N 532 slave s can report the following status information to the master device Temperature the current operating temperature of the amplifier s e Session Time the amount of time that the amplifier s has been powered on Total On T2. 532 or reduce airflow through the N 532 DO NOT place the N 532 near low level components The power amplifier is capable of producing large output currents and hence significant magnetic fields which can induce noise in sensitive components DO NOT expose the N 532 power amplifier to high temperatures humidity steam smoke dampness or excessive dust Avoid installing near radiators and other heat producing appliances MAKE SURE all components are properly grounded Do not defeat the safety purpose of polarized or grounding type plugs with ground lifter or cheater adapters Doing so may cause dangerous voltage to build up between components which can result in personal injuries and or product damage Power Requirements The N 532 dual monaural power amplifier is configured at the factory for 100 120 or 230 VAC power operation at 50Hz or 60Hz Before operating the N 532 ensure that the power label on the rear panel near the AC input connector indicates the correct operating voltage DO NOT attempt to adjust the operating voltage Consult a Mark 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 N 532 dual monaural power amplifier is capable of passing remarkable sound at exceptional power levels Depending
3. or switch 13 Crossover lt Cable N 532 Computer Connect the crossover cable between the Ethernet port on the rear panel of the N 532 and the Ethernet port of the computer When connected to a computer the N 532 has an internal Web page that provides access to e Network Setup allows the user to modify the network setup parameters Accessing the internal Web page is the ONLY way to modify the network setup parameters of the N 532 amplifier e Status Information provides basic status information for the N 532 e Error Reporting tracks system related error messages for the N 532 This page is a diagnostics tool for Mark Levinson Customer Service use The N 532 MUST be connected to a computer via the Ethernet port before you can access the internal Web page Note Network Setup Parameters Note Connecting With DHCP Recommended Mark Levinson If you are putting more than one N 532 power amplifier into the network we recommend connecting and configuring the amplifiers one at a time to avoid identity and control issues between them The Web page also has a Restore Defaults button which resets the parameters to their factory default values Clicking the Restore Defaults button displays a pop up asking for confirmation click yes to restore the factory default values Accessible only through the N 532 internal Web page the network setup parameters include Static IP Address provides a fixed IP add
4. 8 On the address line URL type No532 and press Enter If Internet Explorer is unable to find the amplifier then you must find the IP address of the N 532 that was assigned by the router See your router s owner s manual to determine how to find the IP address When you ve found the IP address repeat Step 4 using the IP address The Home tab of the N 532 internal Web page is now displayed The tab is in red text to indicate that it is the current page The top of the page provides the general status of the N 532 The bottom of the page contains the network parameters setup Update the Host Name of the amplifier Each N 532 in the network MUST have a unique name The default Host Name is NO532 To change the Host Name of the N 532 A Type the new name into the white box to the right of each parameter The new name must be made from the capital letters A to Z and the numbers 0 to 9 Underscores may also be used B Click the Submit button to save the new value Be sure to make note of the new name Enter the new host name into the browser The N 532 Web page loads reflecting the new name Power down the N 532 The network connection is now complete Repeat this procedure with any additional N 532 power amplifiers If DHCP is not used then the computer must be set up too Use this procedure to set up the computer then continue to the appropriate section to connect to the N 532 power amplifier For t
5. an operating voltage compatible with the voltage level of the electrical outlet you intend to use Network Setup The N 532 dual monaural power amplifier supports a network connection through the Ethernet port The N 532 can connect to a network through use of a router or directly to a computer The N 532 can be 1 Connected to a router with DHCP active we highly recommend using this option because the initial setup is much simpler since DHCP Dynamic Host Configuration Protocol automatically assigns the IP Internet Protocol addresses 2 Connected to a router with DHCP not active this method requires more advanced networking knowledge to set up because it uses fixed static IP addressing 3 Connected directly to a computer with no router we only recommend using this option when a router is not available This method required more advanced networking knowledge to set up because it uses fixed static IP addressing This section provides general instructions for all three methods Note Material Requirements Computer Requirements Note Connecting the Cables Mark Levinson The N 532 does not support wireless connection However a cable attached from the amplifier to a wireless adapter can be used to interface with a wireless network The following materials are required to connect the N 532 to the network with a router e N 532 dual monaural power amplifier e Two twisted pair network cables e PC com
6. an over current condition Slave Device Over Temperature indicates that the N 532 amplifier is overheating e Signal indicates that the N 532 has experienced a general signal fault 26 Note Caution Mark Levinson Restoring Factory Defaults Pressing the Factory Default button on the internal Web page of the amplifier resets all settings to their factory default values If the internal Web page is not available there is also a key press sequence available Follow the instructions below to reset the factory default settings from the front panel 1 Power off the amplifier 2 Press and hold the Standby button 3 Press the Power button to turn on the power 4 Keep holding down the Standby button until the front panel LED blinks four times 5 Release the Standby button Now reset to its factory default state the amplifier will reinitialize Care amp Maintenance The N 532 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 N 532 and unplug the rear AC power cord before performing maintenance to the amplifer Failure to perform the maintenance procedures included in this section may void the manufacturer s warranty and or standard repair policies To remove dust from the N2532 exterior surface use a feather duster or a low pressure blower To remove dirt and fingerprint
7. blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or third prong is provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where it exits from the apparatus 11 Only use attachments and accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury or tip over iii 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as when the power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus or the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 15 The MAINS cord is intended to be the safety disconnect device for this apparatus and shall remain readily operable at all times 16 Ventilation should not be impeded by covering the ventilation openings with items such as newspapers tablecloths curtains and so on 17 No naked flame sou
8. on listening habits loudspeaker demands and the number of power amplifiers present in the system it is possibe that the electrical service may become the limiting performance factor of your system Caution Operating States Caution Mark Levinson If this case occurs consider installing a dedicated AC circuit for the 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 Building regulations and electrical codes differ from location to location making it impossible to anticipate the requirements of amplifier high current AC circuits such as the N 532 dual monaural power amplifier is capable of using Contact a local licensed electrician for further information The N 532 dual monaural power amplifier is designed for continuous operation and has four operating states e Off AC power is disconnected using the front panel Power switch or by removing the power cord from the rear panel e Power Save Mode this is an energy saving mode AC power is only connected to the low voltage power supply so all nonaudio functions such as ML Net and Link2 are active Standby AC power is fully connected to the amplifier but the outputs are muted e On the N 532 is fully powered and all outputs are active The N 532 should be unplugg
9. the amplifier is fully powered on During this period additional Standby button presses are ignored Mark Levinson Status LED Indicates the operating state of the N 532 and provides basic diagnostic information if a fault condition occurs The table below identifies the basic behavior of the Status LED LED Behavior Description Fully lit Indicates that the amplifier is powered on Slowly blinking Indicates that the amplifier is in Standby mode Dimly lit Indicates that the amplifier is in Power Save mode Not lit Indicates that the amplifier is powered off Refer to the Troubleshooting section in the back of the manual for a description of the Status LED behavior when a fault is detected Rear Panel The N 532 has two independent audio channels isolated from each other and from the control circuitry This isolated design results in two piers each containing identical circuitry for a single audio channel The control circuitry resides in the center of the amplifier isolated from each audio channel The resulting rear panel as shown below is actually three separate parts the center part contains all of the control and power connections while the left and right panels each contain the connectors for each audio channel Audio Ethernet Link2 PowerSave Trigger Audio Input Port Ports Mode Switch Input Output Put A Ao e son e um es a e E xe Loudspeaker AC Input Loudspeaker Bind
10. L Em 8 Network Setup oococoncnconononcnnanonencnnononcnnononencnnonencananenennanenenan 11 Material Requirements ssssssssmeeeeee e 12 Computer Requirements sssssssssse tenet anaes 12 Connecting the Cables ssssssssme 12 Internal Web Page iiine tee eee Henne 13 Network Setup Parameters ooccccocccccncccnnnonnnnnnnonannnnnancnnncnnnnncnns 14 Connecting With DHCP Recommended uesesssse 14 Setting Up the Computer ssssssssI Ie 15 Connecting With Static IP Addressing ssseee 17 Direct Connection 2 im Dd Rig 19 ME Cz TETTE ILLOD LLL 20 Masters and Slaves itii loei o paeem tb 20 Connecting the Devices secte ee ted etes 20 Discovering Slaves ooi te eid eee Pn erede 21 Status Reporting ne eee eer rto a E teet 21 Fault Reporting ie eem ditor dt 21 ME Netand LINKA eee 22 LIZ epu ni icu coda ete irai Ui eis 22 Troubleshooting ocooconconconcononnancnnonncanonconennonnoncnncanesnennoncanenns 23 Fault Protection eseeessesesseesseee seen nnne nnns 25 ML Net Fault Conditions ooooconcncnnononcnnononcncanoncncanoncncnnaneninnn 25 Restoring Factory Defaults ooncoonconnconnonnnnnnonnonnnanccanonanonncannonos 26 Care amp Maintenance cococoncncnconcncnnanencnnanonencnnonencananenennanenanan 26 Specifications iunii up ci D EUR 27 Declaration of Conformity eese 28 Product Des
11. Owners Manual N 53 Power Amplifier marhrs Levinson FCC Notice This 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 limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following Measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and the receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the 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 s authority to operate the equipment Canada This Class B digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la Classe B est conforme la norme NMB 003 du Canada Ma
12. TIGHTEN the binding posts The innovative design of these binding posts provides more leverage hence high contact tight pressure connections are achieved when finger tightened DO NOT FORCE the binding post wings over a bent or over sized connector Doing so may damage the binding post The rear panel of the N 532 has two trigger connectors one input and one output The trigger input can receive a 3 12V DC signal from a connected component The trigger output passes through the trigger input signal enabling a daisy chain of amplifiers to be controlled by a single trigger signal The triggers enable the power amplifier to be automatically powered on or put into Standby or Power Save mode by the state of other devices in the system The N 532 can also affect other power amplifiers in the same manner Receiving a trigger signal causes the N 532 to change its power state If the N 532 is powered on then OV on the trigger signal puts the amplifier into Standby or Power Save mode Conversely an amplifier in Standby mode is powered on when 3 12Vdc is received on the trigger input The Power Save Mode switch on the rear panel enables the energy saving mode e When set to ON the amplifier enters the Power Save mode when the amplifier power is turned on The Standby button switches the amplifier between the Power Save and On modes e When set to OFF the amplifier enters Standby mode when the amplifier power is turned on The St
13. andby button switches the amplifier between the Standby and On modes When the Power Save mode is active AC power is only connected to the low voltage power supply communication circuits and control circuits Therefore nonaudio functions such as ML Net and Link2 are active but the audio circuits are NOT powered This means that there may be a small delay before the amplifier is fully operational when taken out of Power Save mode N2532 Power Amplifier Link2 Ports Ethernet Port AC Input Caution Uses 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 N 532 refer to the Link2 section found later in this manual The Ethernet port is a standard 10 100BaseT connection for use with external control and networking The N 532 supports connection to a router or network and to a PC compatible computer This connection is designed for use with proprietary Mark Levinson external controllers such as ML Net or can provide serial port control For a list of the serial commands available refer to the separate document No 5 series Power Amplifier Serial Protocol Definitions Provides AC power to the N 532 when the supplied power cord is connected from the AC Input connector on the N 532 rear panel to an electrical outlet Before operating the N 532 verify that the voltage label near the AC input connector indicates
14. cription Mark Levinson Introduction Thank you for purchasing the N 532 Dual Monaural Power Amplifier True to Mark Levinson tradition the audio excellence and performance levels of the N 532 are unsurpassed in today s marketplace The N 532 Dual Monaural Power Amplifier redefines the concept of outstanding performance Drawing together all of the best features of past Mark Levinson amplifiers to create a new streamlined design with extensive isolation of signal path circuitry exceptionally low impedance levels from the AC supply to the loudspeaker outputs and very minimal signal degradation the final result is impressive even for the Mark Levinson high standard of excellence The first non reference Mark Levinson amplifier to be fully differential the N 532 provides both RCA and XLR connectors that accept and deliver a balanced signal directly to the input stage of the amplifier with no additional circuitry Each phase of the differential input has identical electrical properties The input and voltage gain stages are tightly matched to maximize the rejection of common mode signals Such noise is rejected at the input stage preventing the amplification of introduced noise through the entire amplifier signal path In addition since the amplifier is differential for both input and output the input stage handles the balanced signals in their native format ensuring that no noise is intro duced through unnecessary signal c
15. d shield connected loudspeakers from serious damage due to critical high power levels Basic protections designed into the N 532 include fuses on the AC input line for each transformer to protect against excessive current conditions such as driving shorted outputs Inrush limiting prevents premature aging of the power supply components during power up once the power supply has been charged this feature goes off line until the amplifier is powered up again The N 532 power amplifier also incorporates a controlled clipping circuitry to prevent output devices from saturating The harsh high frequency harmonics typically generated by hard clipped output devices are avoided by the controlled clipping circuitry ML Net Fault Conditions 25 The slave devices in an ML Net system can report fault conditions to the master device Fault condition reports are displayed on the display of the master device when the fault occurs Some faults may cause the N 532 to enter Standby or Power Save mode Power cycling the N 532 clears the fault condition providing the fault condition no longer exists Some faults do not allow power to be reapplied to the amplifier until the fault condition no longer exists to protect the amplifier from damage The fault conditions reported are Slave Device DC Offset indicates that the N 532 amplifier is experiencing a signal related fault Slave Device Over Current indicates that the N 532 is experiencing
16. e sure it contains all of the items listed in the What s in the Box table on the previous page If not contact your authorized Mark Levinson dealer DO NOT attempt to lift or move the N9532 power amplifier without adequate assistance The shipping weight of the N 532 exceeds what a single person should lift alone To avoid injury or damage to the N2532 at least two people are required to lift or move the amplifier Two pairs of knit white gloves with special gripping surfaces on the palms and fingers are included with the N 532 Wear these gloves when lifting or moving the amplifier DO install the N 532 power amplifier on its own shelf for proper ventilation DO install the N2532 chassis on a solid flat level surface DO install the N 532 power amplifier close to associated components to keep interconnecting cables as short as possible DO select a dry well ventilated location out of direct sunlight DO allow at least 3 to 4 inches 8 to 10cm of clearance above and on each side of the amplifier for proper heat dissipation N 532 Power Amplifier Warning Caution DO allow at least 6 inches 15cm of clearance behind the amplifier so that the power cord and cables have space to bend without becoming crimped or strained DO NOT place the N 532 on a thick rug or carpet or cover the amplifier with a cloth as this might prevent proper cooling DO NOT obstruct the ventilation holes on the top and bottom of the N
17. ed during lightning storms and extended periods of nonuse as a precaution against potentially damaging power surges through the line BEFORE moving the N 532 power amplifier make sure it is powered off with the Power button Then make sure the power cord is disconnected from the rear panel connector and the electrical outlet N 532 Power Amplifier Status LED Front Panel The front panel contains one LED and two buttons Standby and Power as shown Standby Button Power Button Note Power Button Controls the AC power to the input of the amplifier when a power cord is connected from the electrical outlet to the AC input connector on the N 532 rear panel When the Power button is pressed to turn on the N 532 the amplifier enters either the Standby mode or the Power Save mode depending upon the state of the rear panel Power Save Mode switch Standby Button Places the N 532 into Standby or Power Save mode depending upon the state of the rear panel Power Save Mode switch Pressing the button while the amplifier is in Standby or Power Save mode turns on the amplifier Standby mode provides full AC power to the amplifier but mutes the outputs Power Save mode powers only the low voltage power supply control circuits and communication circuits so that only the nonaudio functionality is available When the amplifier enters or exits Power Save mode there s an extended initialization period before
18. efer to the product documentation of each Mark Levinson product to verify compatibility and cabling requirements To use Link2 all devices are daisy chained together using Ethernet cables as demonstrated in the figure on the left Each chain can have only one master device all other devices in the chain become slaves Slave devices receive and respond to the commands of the master device The N 532 amplifer is always a Slave device Ensure that all components are powered off before connecting the Link2 ports and ensure that there are no audio sources active Once connected power on the linked components one at a time to ensure proper functioning of the Link2 controls The Master device must be powered on first Allow each component to complete the initialization sequence before proceeding to the next component When all components have been powered on put the master device into Standby mode again Link2 does not activate until the master device is put into Standby mode after initial power up Verify that the front panel Standby LEDs on the linked components are blinking in unison The N 532 slave s can perform the following Link2 functions e Synchronized LEDs the Standby LED of the N 532 blinks in unison with the master device Standby Link the master device controls the Standby state of the N 532 amplifier Fault Condition Reporting if the N 532 experiences a fault condition the fault is reported on the mast
19. er device N2532 Power Amplifier No Power No Output Cant Assign in ML Net 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 the rear panel connector of the N 532 and an electrical outlet 2 Make sure the N 532 is powered on with the Power button 3 Make sure the N 532 is not in Standby or Power Save mode The LED should be at full brightness 4 Examine the electrical circuit breaker to ensure that power is being supplied to the electrical outlet to which the N 532 is connected 5 Verify that the voltage rating on the rear panel of the N 532 matches the voltage rating of the electrical outlet If the voltages do not match no power is sent to the outputs of the amplifier 1 Make sure that the source device is powered on playing audio and set to the right output connector 23 2 Examine cables to ensure a solid connection between the N 532 and associated components 3 Make sure the N 532 output connectors are connected to operational loudspeakers 4 Ensure that the N 532 is not in a fault condition When the N 532 experiences a fault the output is muted and the Status LED on the front panel blinks in a rapid pattern indicating LED Behavior Description Rapidly blinking Indicate
20. ers are properly daisy chained Refer to the product documentation of each device to verify compatibility and the proper cabling Power down all of the devices then power up the master device followed by each slave device Allow each device to go through its initialization process before powering up the next device Then cycle the master device through Standby mode The Standby LEDs should now be blinking in unison Verify that the network cables are properly connected between the router switch or hub and the N 532 If connecting to a computer verify that the computer network cable is in the correct port Verify the age of the router switch or hub There may be a communication issue with the N 532 and older network devices Power cycle the N 532 and use a newer router switch or hub between the network and the N 532 If connected directly to the computer make sure a crossover cable is used Verify that the router and computer have valid IP addresses Power cycle the N 532 waiting at least 10 seconds between powering the N 532 off and on Restore the default settings on the internal web page Visit www marklevinson com and search the knowledgebase for more information Contact your Mark Levinson dealer N2532 Power Amplifier Note Fault Protection The N 532 is designed to prevent damage to itself and associated components These extensive features protect both the critical circuitry of the amplifier itself an
21. he computer to find the N 532 the TCPIP Internet Protocol and LAN Local Area Network settings of the computer must be set up The parameter setups vary slightly depending upon the operating system of the computer Refer to the procedure below that matches the operating system on your computer Network Setup for Windows XP 1 2 3 From the Start menu select Control Panel Double click on the Network Connections option Double click on the Local Area Connection option Note Note Mark Levinson 4 Click the Properties button to open the Local Area Connection Properties menu If the computer is not currently connected to an active network Step 3 has already opened the Local Area Connection Properties menu 5 Click on the Internet Protocol TCP IP line item so that it is highlighted 6 Click the Properties button 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 e P address 192 168 50 x where x stands for a number other than 3 e Subnet mask 255 255 255 0 e Do not enter a value in the Default gateway parameter 192 168 50 3 is the default Static IP address for the N 532 The computer must be on the same subnet and have a unique address 9 Click OK to save and exit the menu 10 Open the Internet Explorer Web browser 11 From the menu bar se
22. ier with balanced outputs via the high quality XLR connector Before connecting to the XLR connector on the rear panel of the power amplifier verify that the shorting straps between pins 1 and 3 of the XLR input connectors are not in place If you need to remove the strap be sure to save them for future use as these straps must be in place when using the single ended RCA connectors to reduce noise pickup The pin assignments shown on the left of the XLR type female input connector are consistent with the standards adopted by the Audio Engineering Society Refer to the operating manual of your preamplifier to ensure that the pin assignments of its balanced output connectors correspond to the Mark Levinson N 532 power amplifier If not wire the cables so that the appropriate output pin connects to the equivalent input pin The N 532 has four custom made gold plated high current loudspeaker binding posts two for each output channel The positive binding posts labeled positive are red the negative binding posts are black and are labeled negative Ensure when connecting the loudspeaker that at least one positive and one negative binding post is used There is NO ground reference Caution Trigger Input and Output Power Save Mode Switch Mark Levinson Banana plugs can also be used to connect the speaker cables to the loudspeaker binding posts Banana plugs are not available on the 230 VAC model DO NOT OVER
23. ifier to the computer as described in the earlier Connecting the Cables section Make sure that both the amplifier and the computer are powered off before connecting 1 Press the Power button on the N 532 2 On the computer open the Internet Explorer Web browser 3 On the address line URL type the static IP address of the N 532 192 168 50 3 is the default and press Enter There may be a short delay before the N 532 Web page loads 4 The Home tab of the N 532 internal Web page is now displayed The tab is in red text to indicate that it is the current page The top of the page provides the general status of the N 532 The bottom of the page contains the network parameters setup 5 Update the Host Name of the amplifier Each N 532 in the network MUST have a unique name To change the Host Name of the N 532 A Type the new name into the white box to the right of the parameter The new name must be made from the capital letters A to Z and the numbers 0 to 9 Underscores may also be used B Click the Submit button to save the new value 6 Update the Static IP address of the amplifier Each N 532 in the network MUST have a unique Static IP address Be sure to make note of the new Host Name and IP address 7 Enter the new host name or IP address into the browser The N 532 Web page loads reflecting the new information 8 Power down the N 532 The network connection is now complete Repeat this procedu
24. ime the total amount of hours that the N 532 amplifier s has been powered on since its manufacture If a slave device is inactive unassigned or assigned to a different master then status information is not available The N 532 slave s also reports fault information to the master device If a slave device is inactive unassigned or assigned to a different master then error reporting is not available For more information about possible fault conditions refer to the Troubleshooting section of the manual 21 22 ML Net and Link2 Note master communication amplifier slave in slave out amplifier slave in slave out amplifier slave in slave out amplifier slave in slave out The N2532 uses 8 to 8 link cable Older products use 8 to 6 cable Mark Levinson A system can use ML Net and Link2 together but the Link2 control has priority Status requests and notifications are still sent to the ML Net master device but commands sent by the ML Net master device are ignored as long as Link2 is connected While ML Net is active from initial power up Link2 doesn t activate until the Master device is put into Standby mode after initial power up As a result the amplifier can react initially to ML Net commands even though Link2 is connected Link2 The main purpose of the Mark Levinson Link2 protocol is to allow a single Master device to control other Slave devices R
25. ing Posts Binding Posts N 532 Power Amplifier Note Audio Channel Inputs N gt Balanced female XLR Input Connector Pin Assignments Pin 1 Signal Ground Pin 2 Signal Non Inverting Pin 3 Signal Inverting Connector Ground Lug Chassis Ground Loudspeaker Binding Posts Note The audio outputs of this power amplifier are considered Class 2 CL2 circuits in North America This means the wire connected between this amplifier and the speaker s shall be rated at minimum Class 2 CL2 and shall be installed according to the U S National Electrical Code NEC Article 725 or Canadian Electrical Code CEC Section 16 One balanced and one single ended unbalanced connector is available for each audio channel input Single Ended Inputs These RCA connectors accept single ended input from preamplifiers with singled ended RCA outputs Single ended input signals are converted to balanced signals at the input stage of the amplifier and are handled as balanced signal thereafter If your preamplifier does not support balanced connection to the power amplifier connect the single ended output to the RCA input on the amplifier To reduce the chance of noise pickup at the otherwise unterminated inverting input of the XLR insert the provided U shaped shorting strap between pins 1 and 3 of the XLR connector The shorting strap is installed at the factory Balanced Inputs Accepts a signal from a preamplif
26. lect the Tools Internet Options menu 12 Select the Connections tab 13 Click the LAN Settings button 14 Verify that Use a proxy server for your LAN is NOT checked 15 Click OK to save and exit the program Network Setup for Windows 2000 1 From the Start menu select Settings Control Panel 2 Double click on the Network and Dial Up Connections option 3 Double click on the Local Area Connection option N2532 Power Amplifier Note Note Connecting With Static IP Addressing 4 Click the Properties button to open the Local Area Connection Properties menu If the computer is not currently connected to an active network Step 3 has already opened the Local Area Connection Properties menu 5 Click on Internet Protocol TCP IP line item so that it is highlighted 6 Click the Properties button 7 Selectthe 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 e P address 192 168 50 x where x stands for a number other than 3 e Subnet mask 255 255 255 0 e Do not enter a value in the Default gateway parameter 192 168 50 3 is the default Static IP address for the N 532 The 17 computer must be on the same subnet and have a unique address 9 Click OK to save and exit the menu 10 Open the Internet Explorer Web browser 11 From the menu bar select the Too
27. ls Internet Options menu 12 Select the Connections tab 13 Click the LAN Settings button 14 Verify that Use a proxy server for your LAN is NOT checked 15 Click OK to save and exit the program If you plan to connect with static IP addresses DHCP is turned off use this procedure Otherwise skip to the next procedure to connect directly to a computer Connect one N 532 power amplifier to the router as described in the earlier Connecting the Cables section Make sure that everything is powered off before making cable connections Note Mark Levinson For the computer to find the N 532 the TCPIP and LAN settings of the computer must be set up Refer to the previous procedure Setting up the Computer for instructions 1 Turn on the PC and the router Verify that the router has DHCP turned off if required Set up the router to the IP address 192 168 50 x where x stands for a number other than 3 or the number used for the computer IP address Refer to the router s owner s manual for instructions on how to enter the IP address 192 168 50 3 is the default static IP address for the N 532 The router must be on the same subnet as the amplifier and computer but also must have its own unique address Press the Power button on the N 532 On the computer open the Internet Explorer Web browser On the address line URL type the static IP address of the N 532 192 168 50 3 is the default and p
28. mQ 20Hz to 20kHz 100V 120V 230V 800W factory set for destination country e Height with feet 9 55 in 242 57mm e Height without feet 8 75 in 225 25mm e Width 17 5 in 444 50mm e Depth 21 1 in 535 85mm e Net weight 121 5 lbs 55 22kg e Shipping weight 129 5 lbs 58 86kg e Operating temperature 0 to 35 C 32 to 95 F e Storage temperature 30 to 75 C 22 to 167 F e Relative humidity 95 maximum without condensation 28 Mark Levinson Declaration of Conformity Application of Council Directive s 2004 108 EC and 2006 95 EC as amended Standard s to Which Conformity Is Declared EN 55013 2001 A1 2003 A2 2006 EN 55020 2007 EN 61000 3 3 1995 A1 2001 A2 2005 EN 60065 2002 Manufacturer Harman Specialty Group 3 Oak Park Drive 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 532 Date May 2008 Harman Specialty Group Vice President of Engineering 3 Oak Park Drive Bedford MA 01730 1413 USA Tel 781 280 0300 Fax 781 280 0490 marfil LEVIMSON
29. ncy of all Mark Levinson amplifiers make the N 532 a remarkably capable amplifier sure to impress even the most demanding of audio enthusiasts The N 532 dual monaural power amplifier includes Item Quantity N 532 Dual Monaural Power Amplifier 1 N 532 owner s manual this document 1 Nylon lifting strap 1 Heavy white gloves 2 pairs Cable with 3 5mm mini plugs for use with trigger 1 Detachable AC power cord 1 varies by destination country Do NOT discard the nylon lifting strap after unpacking the N 532 power amplifier This strap should be used whenever the amplifier needs to be lifted or moved Product Registration Unpacking Caution Placement and Ventilation Mark Levinson Register your N 532 online at www marklevinson com within 15 days of purchase Retain the original dated sales receipt as proof of warranty coverage Installation Considerations The N 532 dual monaural power amplifier requires special care during installation to ensure optimal performance Pay particular attention to instructions included in this section and to precautions included throughout this owner s manual DO save all packing materials for possible future shipping needs DO inspect the N 532 for signs of damage during shipment If damage is discovered contact your authorized Mark Levinson dealer for assistance in making appropriate claims DO locate and remove the accessory bag from the carton Mak
30. on the component to indicate important operation and maintenance instructions included in the accompanying documentation Appears on the component to indicate compliance with the EMC Electromagnetic Compatibility and LVD Low Voltage Directive standards of the European community Documentation Conventions This document contains general safety and operation instructions for the N 532 Dual Monaural Power Amplifier It is important to read this document before attempting to use this product Please pay particular attention to safety instructions This manual is not intended as a general reference guide for audio or home theater systems If you re uncertain how to set up or maintain your system seek the advice of a professional installer or ask your dealer for a recommendation N 532 Power Amplifier Table of Contents Introduction oconcccononcnnononcncnnoncncnnanononcnnononennononennononencnncnrncananes 2 Product Description reet redi eR iaa 2 What s in the BOX teer eben tester eon tnde heeds 3 Product Registration srei eri n eee eect eee m 4 Installation Considerations oononcnconononconononcanonononnancncnnanenennnns 4 Urnpackihg 5er cnt ae ae R EET 4 Placement and Ventilation sssssssss 4 Power Requirements ooconcncononcncononcncnnonencnnanencncanonencaneneneancnenes 5 Operating States on eec vede eed es EA 6 Front Panel 2 35 15 x aa ceed scacanived vavtsehevnesensavenenarwndesants 7 Rear PANE
31. onversions The N 532 has two independent audio channels isolated from each other and from the control and power circuitry This isolated design results in two piers each containing identical circuitry for a single audio channel The control and power circuitry resides in the center of the amplifier between the piers and thus isolated from each audio channel This unusual design provides a number of advantages additional heatsink capacity for thermal requirements virtually ideal balanced output characteristics and the ability to isolate potentially noisy power and control circuits from the signal path of the audio channels The extremely low noise toroidal power supply features an interwinding screen between the transformer coils filtering mains born noise from the secondary power supply A separate dedicated power supply for the voltage gain stages provides double isolation between the main audio supply and the higher current that powers the rest of the amplifier ensuring minimal noise introduction Physically the power supplies are placed very close together for the greatest benefit from magnetic field cancellation isolated and placed as far away from the signal inputs as possible to reduce noise introduction from high current levels N 532 Power Amplifier Whats in the Box Note Special care was taken in the design and placement of the voltage regulator circuitry Using multiple stages two types of regulators and c
32. patible computer with 10 100BaseT network card e 10 100BaseT router The following materials are required to connect the N 532 to a computer without the use of a router e N 532 dual monaural power amplifier e Network crossover cable e PC compatible computer with 10 100BaseT network card The PC compatible computer used to connect to the N 532 must have the following software installed e Windows 2000 or Windows XP Web browser Microsoft Internet Explorer 6 0 or higher preferred If DHCP is not active then the computer must be set up with a Static IP address Refer to the Setting Up the Computer section found later in this procedure for instructions The N 532 can be connected to the computer in two ways through a router or directly to the computer While connecting the cables ensure that the computer the router and the N 532 are powered down N2532 Power Amplifier Internal Web Page To Connect Using a Router Router wI g N2532 Computer 1 Connect a network cable between the router and the Ethernet port on the rear panel of the N 532 2 Attach a second network cable between the router and the Ethernet port of the computer To Connect Without a Router To connect the N 532 directly to the computer you must use a network crossover cable Different from a standard network cable the crossover cable is designed to connect network access ports directly together without a hub router
33. rces such as candles should be placed on the apparatus 18 Terminals marked with this symbol may be considered HAZARDOUS LIVE and the external wiring connected to these terminals requires installation by an INSTRUCTED PERSON or the use of ready made leads or cords 19 This product must be terminated with a three conductor AC mains power cord that includes an earth ground connection To prevent shock hazard all three connections must ALWAYS be used Warning To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture The apparatus shall not be exposed to dripping or splashing No objects filled with liquids such as vases shall be placed on the apparatus Warning Caution Note AN gt Mark Levinson Safety Terms amp Symbols These terms may appear in this manual 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 Calls attention to a procedure practice condition or the like that if not correctly performed or adhered to could result in damage or destruction to part or all of the component Calls attention to information that is essential to highlight These symbols may appear on the product Appears on the component to indicate the presence of noninsulated dangerous voltage inside the enclosure voltage that may be sufficient to constitute a risk of shock Appears
34. re with any additional N 532 power amplifiers 20 Note Masters and Slaves Note Connecting the Devices Mark Levinson ML Net The ML Net protocol allows you to control two or more Mark Levinson products simultaneously via the Ethernet port Since ML Net operates through the use of a router and the Ethernet connection all devices must have networking capability Refer to the previous section of this manual Network Setup to set up the N 532 for network operation ML Net uses a single Master device to control specific functions of 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 The N 532 dual monaural power amplifier is always a slave device A separate master device must be used in conjunction with the N 532 amplifier As a slave device the N 532 responds to the following ML Net commands sent from the master device Status Reporting status conditions of the N 532 slave s are reported to the master device status includes Temperature Session Time Total On Time and Fault Reporting e Standby State the master device controls the Standby state of the N 532 amplifier e Synchronized LEDs the Standby LEDS of the master device and all assigned slave devices blink in unison The Status LED on the front panel of the N
35. ress This IP address is NOT automatically selected it must be entered If DHCP is on then an IP address doesn t need to be entered IP address 192 168 50 3 is the factory default value e Subnet Mask identifies the subnet mask for the N 532 This IP address is automatically assigned by DHCP If DHCP is off then the address must be entered manually and it must agree with the subnet mask address of the router IP address 255 255 255 0 is the factory default value Host Name indicates the network name given to the N 532 amplifier The factory default name is NO532 e DHCP turns the DHCP capability on or off When activated DHCP assigns a unique IP address to the N 532 The factory default value is On We recommend leaving DHCP set to On If the system contains more than one N 532 dual monaural power amplifier the Host Name and IP address of each N 532 must be changed to unique values If you are using a router with DHCP active to connect to the N 532 use this procedure Otherwise skip to the next procedure Connect one N 532 power amplifier to the router as described in the earlier Connecting the Cables section Make sure that everything is powered off before making cable connections 1 Turnon the PC and the router Verify that the router has DHCP active 2 Press the Power button on the N 532 3 Onthe computer open the Internet Explorer Web browser N2532 Power Amplifier Setting Up the Computer
36. ress Enter There may be a short delay before the N 532 Web page loads The Home tab of the N 532 internal Web page is now displayed The tab is in red text to indicate that it is the current page The top of the page provides the general status of the N 532 The bottom of the page contains the network parameters setup Update the Host Name of the amplifier Each N 532 in the network MUST have a unique name To change the Host Name of the N 532 A Type the new name into the white box to the right of the parameter The new name must be made from the capital letters A to Z and the numbers 0 to 9 Underscores may also be used B Click the Submit button to save the new value Update the static IP address of the amplifier Each N 532 in the network MUST have a unique static IP address Be sure to make note of the new Host Name and IP address Enter the new host name or IP address of the N2532 into the browser The N 532 Web page loads reflecting the new information 10 Power down the N 532 The network connection is now complete Repeat this procedure with any additional N 532 power amplifiers N2532 Power Amplifier Direct Connection If you are not using a router use this procedure to connect directly to a computer For the computer to find the N 532 the TCPIP and LAN settings of the computer must be set up Refer to the previous procedure Setting up the Computer for instructions Connect one N 532 power ampl
37. rk Levinson is a registered trademark of Harman International Industries Incorporated cl PT Window Microsoft and Internet Explorer are registered trademarks of Microsoft L evil M S O M Corporation in the United States and or other countries Other company and product names may be trademarks of the respective companies with which they are associated For customer service and product shipment information refer to the website www marklevinson com This document should not be construed as a commitment on the part of Harman International Industries Incorporated The information it contains is subject to change without notice Harman International Industries Incorporated assumes no responsibility for errors that may appear within this document 2008 Harman International Industries Incorporated All rights reserved Part No 070 18979 Rev 06 08 I A Harman International Company Important Safety Instructions Read these instructions Keep these instructions Heed all warnings Do not use this apparatus near water 1 2 3 4 Follow all instructions 3 6 Clean only with a dry cloth 7 Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus that produce heat 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two
38. s from the N 532 exterior surface use a soft lint free cloth DO NOT use metal polish or a cloth made with steel wool If needed this cloth can be dampened with isopropyl alcohol DO NOT dampen the cloth with Benzene acetone based cleaners or other commercial cleaners Wipe the N 532 exterior surface in the same direction as the grain of the brushed aluminum DO NOT apply liquid directly to the N 532 exterior surface Doing so may damage electrical components N2532 Power Amplifier Input amp Output Connectors Control Connectors Rated Output Power Frequency Response Signal to Noise Ratio Input Impedance Voltage Gain Input Sensitivity Output Impedance Power Requirements Dimensions Weight Operating Environment Specifications All specifications are subject to change without notice e two balanced XLR inputs e two unbalanced RCA inputs e two Hurricane loudspeaker outputs with banana plug sockets banana plug socket not available on the 230 VAC models e two Link2 ports one Ethernet port e one 3 5mm mono tip sleeve mini plug trigger input 3 12Vdc e one 3 5mm mono tip sleeve mini plug trigger output 3 12Vdc e 3 pin IEC standard power connector 20Hz to 20kHz at 0 596 THD 400W per channel O 8 O full output from 2 59Vrms within 0 1dB from 10Hz to 20kHz gt 85dB reference level 2 83 Vrms 100 kQ balanced 50 kQ unbalanced 26 8dB af 2 83Vrms output at 130mVrms input 20
39. s that a power related fault has occurred on most of the time Rapidly blinking Indicates that a signal related fault has occurred on half of the time Rapidly blinking Indicates that a thermal related fault has off most of the time occurred Signal related faults include significant DC offset at the output due to either DC in the input n or a failed component within the amplifier OR excessive current demands due to a short circuited loudspeaker wire You must assign the slave from the master device Verify that the slave you want to assign is listed in the master device list and check its current state For further explanations on assigning slave devices refer to the owner s manual of the master device 24 No Response to Commands in ML Net Link2 Not Working No Connectivity Via Ethernet If All Else Fails Mark Levinson Verify that the master device and the N 532 are properly connected together with a router Verify that the N 532 network setup is correct Access to the internal Web page via a computer is required to verify the network settings of the N 532 If status information is received on the master device but commands cannot be sent to the amplifier then verify that a Link2 connection does not also exist to the amplifier If both Link2 and ML Net are connected to the amplifier the N 532 ignores ML Net commands but status information is still sent Verify that the master device and the amplifi
40. ustom tailored to the audio circuitry for which they provide power these discrete low noise and wide bandwidth circuits are in close proximity to the audio signal path that they power but placed on a separate circuit board to minimize interaction with the audio signals and prevent the corruption of low level signals The signal path is electrically identical for both audio channels and contains no relays capacitors or inductors to minimize forms of nonlinearity and maintain very low output impedance levels The compact design of the circuitry allows the signal path to be tighter and smaller reducing parasitic capacitances and minimizing propagation delay and phase shift The end result is a faster wider bandwidth and cleaner output signal with very low impedance level and minimal signal degradation Lastly the audio signal output path contains 24 output devices per channel providing an impressive power capability while minimizing crossover distortion The N 532 also provides support for external controls through a network capable Ethernet port for use with ML Net and external protocol controllers through a computer or network a Mark Levinson Link2 control port and standard trigger controls Embracing new technology with the same level of enduring excellence the N 532 dual monaural power amplifier is the best performing power amplifier designed by Mark Levinson Truly impressive output capabilities combined with the high power efficie
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