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OPTIONS

NXAMPMK2 USER MANUAL

PAGE 37 / 70

If the Analog fallback mode is ON, and the audio from Network (Dante

TM

, AES/EBU or Ethersound

TM

) is

missing, the NXAMPmk2 will display the following message:

•

When used with NXDT104mk2. Detection of a valid audio network when using NXDT104mk2 is based
on audio subscription. It means that the NXDT104mk2 is checking if audio packets from the Dante

TM

Transmitter(s) are received correctly. If the network fails somewhere (cable removed, transmitter
switched off or excessive packet loss), the analog inputs will be unmuted, even if the NXAMPmk2 is still
connected to the network and the remote control is still working.

If for example, the NXAMPmk2 n°2 does not received the audio packets from the subscribed source
(here the mixer) then it will unmute the analog inputs, as shown below.

The name of the subscribed transmitter(s) can be checked into the Dante

TM

Controller, on

“Device View.

On the below picture, we can see for example that the NXAMPmk2 with the

Dante™ card name “Y01 -

NEXO-NXAMP4x4mk2-

062c60” has subscribed to channel 01, 02, 0 and 0 from the Dante

TM

device

named “NEXO-PC” (a computer running the Dante

TM

Virtual Soundcard software).

NB: The NXDT104mk2 can subscribe up to four different channels from four different Dante

TM

transmitters.

ANA IN

ANA IN

ANA IN

ANA IN

NXAMP 1

NXAMP 2

NXAMP

NXAMP

ANA OUT

Dante

Digital
Mixer

Dante

Dante

Dante

Dante

Network

(Dante device,
non Dante devices,
Switches, ...)

ANA IN

ANA IN

ANA IN

ANA IN

NXAMP 1

NXAMP 2

NXAMP

NXAMP

ANA OUT

Dante

Digital
Mixer

Dante

Dante

Dante

Dante

Network

(Dante device,
non Dante devices,
Switches, ...)

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Содержание NXAMP4x1mk2

Страница 1: ...DP4946 01 DI NXAMPMK2 POWERED TD CONTROLLER NXAMP4x1MK2 NXAMP4x2MK2 NXAMP4x4MK2 USER MANUAL LOAD5_05 ...

Страница 2: ...CE 11 FRONT PANEL DESCRIPTION 11 A AIR INTAKES 11 B 4 3 INCHES COLOR TOUCH SCREEN 11 C ROTARY ENCODER 11 BACK PANEL DESCRIPTION 12 A POWER OUTPUTS 12 B EXPANSION SLOT 13 C BALANCED AUDIO INPUTS 13 D MAINS CONNECTORS 13 E AIR EXHAUST 14 F RS 232 PORT 14 G GPIO PORT 14 AUDIO INPUT AND OUTPUT CONNECTIONS 15 START UP 15 OPERATION USING THE MENU 17 MENU DESCRIPTIONS 17 OPTIONS 17 RESETTING TO FACTORY S...

Страница 3: ...ION 39 INPUT PINS CONFIGURATION 40 OUTPUT PINS CONFIGURATION 41 DEVICE INFORMATION 42 DELAY UNIT 43 OUT MODE 43 ENERGY SAVER ENABLED 44 DPU MODE 44 ALERTS LIST 44 GLOBAL 44 MAINS1 VOLTAGE V 44 MAINS2 VOLTAGE V ONLY 4X4 44 POWER SUPPLY1 VOLTAGE V 44 POWER SUPPLY2 VOLTAGE V ONLY 4X4 44 POWER SUPPLY1 OVERTEMPERATURE 45 POWER SUPPLY2 OVERTEMPERATURE ONLY 4X4 45 AMPLIFIER MUTING OUTPUT 45 FAN1 ERROR 45...

Страница 4: ... NEXO NEFU 55 ACCESSORIES 57 NXDT104MK2 57 NXES104 57 NXAE104 57 NXRM104 57 DMU 58 DPU 58 MAINTENANCE 59 TECHNICAL SPECIFICATIONS 60 THERMAL DISSIPATION AND CURRENT DRAWN 61 NXAMP4X1MK2 WITH 2 OHMS LOAD ON EACH CHANNEL 61 NXAMP4X2MK2 WITH 2 OHMS LOAD ON EACH CHANNEL 61 NXAMP4X4MK2 WITH 2 OHMS LOAD ON EACH CHANNEL 61 DRAWINGS AND DIMENSIONS 62 LOG AND ALERT PARAMETERS 63 LICENSE INFORMATION 65 GOOG...

Страница 5: ...es specified by the manufacturer 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 from tip over Unplug this apparatus during lighting storms or when unused for long periods of time Refer all servicing to qualified service personnel Servicing is req...

Страница 6: ...r cord Even when the Standby On switch is in standby status display is off electricity is still flowing to the instrument at the minimum level When you are not using the instrument for a long time make sure you unplug the power cord from the wall AC outlet Do not open the device do not try to disassemble it neither to modify it in any way The system doesn t include any user serviceable parts If th...

Страница 7: ...ty of a TV radio stereo equipment mobile phone or other electric devices Doing so may result in noise both in the device itself and in the TV or radio next to it Keep the device out of reach of children to keep them from putting their fingers into openings on the equipment and accidentally being injured CONNECTIONS Before connecting the device to other devices turn off the power for all devices Be...

Страница 8: ...uld void your FCC authorization to use this product in the USA NOTE This product has been tested and found to comply with the requirements listed in FCC Regulations Part 15 for Class A digital devices Compliance with these requirements provides a reasonable level of assurance that your use of this product in a residential environment will not result in harmful interference with other electronic de...

Страница 9: ...with the provisions of the following directive including all applicable amendments 2014 35 UE Low Voltage Directive 2014 30 EU EMC 2011 65 EU RoHS EN 55103 1 2009 A1 2012 EN55103 2 2009 IS 2012 FCC Part 15 2013 This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any in...

Страница 10: ... manipulate it with two persons Open the box with care to prevent damage on the content Inside you will find NXAMPmk2 Powered TDController with NXRM104 card fitted 1 x NXAMPmk2 Quick Start guide 1 x powerCon 20A to CEE form 32A mono for NXAMP4x1mk2 NXAMP4x2mk2 or 2 x PowerCon 20A to CEE form 32A mono for NXAMP4x4mk2 INTRODUCTION Welcome to the NXAMPmk2 manual Please take some time to read it and l...

Страница 11: ... Cable section Maximum length in meters feet 2 5 mm2 AWG 13 20 66 28 92 40 130 80 260 4 mm2 AWG 11 32 105 40 130 64 210 128 420 6 mm2 AWG 9 48 160 64 210 96 315 192 630 FRONT PANEL DESCRIPTION The NXAMPmk2 features a color 4 3 inches touch screen display and a pushable rotary encoder with a surround backlight A AIR INTAKES The NXAMPmk2 uses forced air cooling The variable speed cooling fan draws a...

Страница 12: ...the speakers The pin out is the following Amplifier CH1 or CH2 outputs on NL4 A 1 1 and NL4 B 2 2 Amplifier CH2 or CH1 outputs on NL4 B 1 1 and NL4 A 2 2 Amplifier CH3 or CH4 outputs on NL4 C 1 1 and NL4 D 2 2 Amplifier CH4 or CH3 outputs on NL4 D 1 1 and NL4 C 2 2 The NXAMPmk2 optimizes the output pinout depending on the setup used Please check front panel indication to know where to connect your...

Страница 13: ...o input and network remote control card At the time of writing AES EBU EtherSoundTM DanteTM and AES67 digital audio format are supported through expansion boards See Accessories section Use STP Shielded Twisted Pair cable to prevent electromagnetic interference Make sure that the metal parts of the plugs are electrically connected to STP cable shield by conductive tape or comparable means C BALANC...

Страница 14: ...Thus this is an output GND is the ground A crossover cable connecting RxD pin of NXAMP to TxD pin of the DPU and so on is needed to use this serial port with the NEXO DPU device Please see DPU user manual for further details G GPIO PORT This GPIO port is used for interfacing the amplifier to security system or to allow a basic remote control of the device NEXO DMU Digital Meters Unit device also c...

Страница 15: ...nplug the device from mains before connecting or disconnecting any cable to it START UP The NXAMPmk2 setup is straightforward Once all the wiring has been done and mains is present the surround backlight of the encoder is glowing slowly Long press this encoder till the system boots up When no parameter is selected press the encoder to enter the option menu Turn the encoder to select an option or p...

Страница 16: ...MK2 USER MANUAL From one of the Settings Menus The Header Menu pictured below is entered by pressing the encoder A INTERNAL MENU B FIRMWARE VERSION C SETTINGS MENU D STAND BY E LOCK THE DEVICE F SHOW INACTIVE SCREEN A B C D E F ...

Страница 17: ...cabinet related EQ and Array EQ User EQ provides up to 8 bands per channel editable on one or several channels at once Operations are detailed below On the left hand side of the Header Menu you have direct access to Scene Parameters volume delay gain EQ input patch setup can be saved in one of the 2 scene slots and can be copied and pasted System headroom The system headroom page gives real time i...

Страница 18: ...lay Unit Selects the delay unit between milliseconds meters and feet Out Mode Selects the output speakON routing options of the NXAMPmk2 Energy Saver Enabled Reduces the amplifier power consumption when not in used DPU Mode If a NEXO DPU unit is connected select the preferred routing algorithm RESETTING TO FACTORY SETTINGS To reset to factory Settings keep the encoder button pushed while resuming ...

Страница 19: ... switching CD Cardioid mode on products allowing Omni Cardio switching FR Channel used for Front speaker in Cardioid mode BA Channel used for Back speaker in Cardioid mode B2B Back to back mode on products requiring two cabinets for Cardio S2S Side to side mode on products requiring two cabinets for Cardio DF Down Fill for line array used in Downfill application 2 Vu meter of the amplifier channel...

Страница 20: ...ress one or several of the Speaker preset area 1 on the default screen to access the speaker preset This menu allows to select either a speaker preset for each selected channel through the Series Cabinet Mode and Cross over button or four channel speaker preset arrangement provided by NEXO through the NEXO button Dismiss To return to the previous screen without any modifications Recall To return t...

Страница 21: ...gital inputs depending of your cabling architecture and source devices This alignment delay can be setup by pressing the button just next the Global Mute Button CHECKING THE OUTPUT PATCH From the default screen the Speaker Preset Name 1 will blink alternatively with the output letter and the output pinout 1 1 or 2 2 of the NL4 connector Check that the NEXO Speakers are correctly connected Send som...

Страница 22: ...l but other selected channels may still increase the setting Be careful not to change a gap between two channel settings when selecting multiple channels at the same time In some special situation active setups in same enclosure for example like P12 active it is mandatory to have same delay settings on two or more channels Then changing the delay on one of these channels will automatically adjust ...

Страница 23: ... maximum value it will cease to increase by continuing to turn the wheel but other selected channels may still increase the setting Be careful not to change a gap between two channel settings when selecting multiple channels at the same time In some special circumstances cardioids setups for example it is mandatory to have same Array EQ settings on two or more channels Then changing the Array EQ o...

Страница 24: ... 2nd Order LowPass 2nd Order HighShelf with adjustable Q LowShelf with adjustable Q or Notch 2 Frequency adjustment to select among the 120 center frequencies available for each filter from 20 Hz to 20 kHz 3 Gain adjustment for filter type with gain settings the gain can be adjusted between 18 dB and 18 dB ...

Страница 25: ...dd an EQ point Up to 8 EQ point can be set for each channel 7 Delete an EQ point 8 EQ point ON OFF The other EQ Points remain active A Global ON OFF is available on the main EQ page 9 EQ point number currently in edition 10 Channel s currently being edited If several channels are selected you will be prompted to flatten the EQ in case of different EQs 11 OK back to the selected channels EQ global ...

Страница 26: ...n to the previous page USING THE AMPLIFIER WITHOUT THE TDCONTROLLER FUNCTIONALITY If you want to use the amplifier without the TDController just choose the FLAT setup In this mode no factory EQ and no speaker protection is applied to the cabinets In FLAT mode full amplifier digital protections are still available and some functionality like volume control input patching mute delay gain ArrayEQ and...

Страница 27: ...all NXAMPmk2 audio parameters like a snapshot However other parameters like network settings or user interface preferences are not part of a Scene TO SAVE A SCENE Prepare your parameters in this example IDS110 for channels 1 3 ID24 90x40 for channels 2 4 Then push on the encoder and select scene Menu select an empty slot Enter the name of your user scene 10 characters max then OK and Save ...

Страница 28: ...HEADER MENU PAGE 28 70 NXAMPMK2 USER MANUAL TO RECALL A SCENE Select Scene in Header menu Choose one of the user scenes Theatre B for example press Recall and Confirm ...

Страница 29: ...re of the voice coils of the connected speakers the displacement of the membranes both referring to 0 dB being the maximum temperature and the maximum displacement the speakers can safely reach Please not that these maximum values are dependent on the speaker s preset used The last view meter is showing how much the NXAMPmk2 is reducing the output level to protect the speakers This is a global met...

Страница 30: ...er Supply 2 NXAMP4x4mk2 only Voltage Analogue Input Level A B C or D Digital Input Level E F G or H Overmute Amp Protection by Limiting or Muting Outputs PER CHANNEL Power Amp Temp Output Voltage and Current Sense Protection and Clip limiter action Channel Mute Speaker temperature displacement and protection Detail of these parameters can be found in Log and Alert Parameters ...

Страница 31: ...pply DC out Overtemp High Load Low load Card Overclocking Not ready Audio err Analog fallback LOAD MONITORING The NXAMPmk2 Load Monitoring is an impedance monitoring function measuring in real time the impedance on the amplifier output channel This allows to report through its GPIO port or network whether the speakers are correctly connected to the amplifier and ready to use This function can be e...

Страница 32: ...or Low impedance if the measured impedance is out of the given low high user defined range Here are the parameters that can be configured MONITORING MODE Here can be modified the Load Monitoring mode 3 modes are available OFF The Load Monitoring is turned off The impedance is not measured no alerts are raised Internal Generator The Load Monitoring uses an internal HF burst generator and this signa...

Страница 33: ...just the output level to have a stable reading of the impedance on the screen Long speaker cable and high impedance speaker s connected might need a higher output voltage An output voltage too high can lead to sub harmonic generation that can be audible at the speaker output IMPEDANCE HIGH AND LOW LIMITS Once the measured impedance is displayed on the screen you can select low and high limits that...

Страница 34: ...ible to delete an image set by NeMo from this menu Then the Inactive View background is the simply the tint colour LOCK AND SLEEP SETTINGS Allows you to Lock the device with a password manage the screen saver Password is used to lock The screen The remote control access NEXO NeMo and third party controllers The firmware update NEXO NeFu Password can be left empty REMOTE CONTROL SETTINGS IMPORTANT ...

Страница 35: ...in front of the Dante card name on the Dante network On the following Dante Controller screenshot we can see that the Dante card name is Y01 NEXO NXAMP4x4mk2 062c60 The Device ID can be edited on Dante Controller by editing it directly in the Dante card name NAME Here can be modified the NXAMPmk2 name used and displayed by the remote control software NEXO NeMo NB The NXAMPmk2 name is not the same ...

Страница 36: ...process and switch back to Auto Addressing ANALOG FALLBACK Analog Fallback is intended to provide analog audio redundancy of the digital audio inputs It works with both NXDT104mk2 DanteTM and NXAE104 AES EBU Analog Fallback and digital audio still works on NXAMPmk2 with NXDT104 DanteTM and NXES104 EthersoundTM even if remote control is reduced to NXAMPmk1 controllable parameters set cannot control...

Страница 37: ...dio packets from the subscribed source here the mixer then it will unmute the analog inputs as shown below The name of the subscribed transmitter s can be checked into the DanteTM Controller on Device View On the below picture we can see for example that the NXAMPmk2 with the Dante card name Y01 NEXO NXAMP4x4mk2 062c60 has subscribed to channel 01 02 0 and 0 from the DanteTM device named NEXO PC a...

Страница 38: ...D The digital audio status for the NXAMPmk2 is declared OK if all digital input channels E F XLR1 and G H XLR2 are declared OK else all analog inputs are un muted A digital input itself E F or G H is declared OK if there is signal and the receiver is LOCKED So if you are using E F inputs only and the Analog Fallback please link E F input to G H input with a small XLR cable When used with NXES104 T...

Страница 39: ...or informational purposes as well as to provide a way to identify quickly the devices the tint colour of the screen can depend on the group the NXAMPmk2 belongs to To do so Go to Options Screen Appearance Tint Colour and check Tint Colour Depends on Groups The tint colour becomes the colour of the last group this NXAMPmk2 belongs to in the session of the latest preferred remote client It is automa...

Страница 40: ...es Sw Scenes A and B X X X Recalls a scene or another or toggle between two scenes If Active on High scene A is recalled when GPI is low and scene B is recalled when GPI is high If Active on Low it is the opposite Analog inputs Mute Mute An In X X X Mutes or unmutes the analog inputs Digital Inputs Mute Mute Di In X X X Mutes or unmutes the digital inputs Stand by Stand by X X X Put the NXAMP in s...

Страница 41: ... recall status Scene i Scene X X Scene parameter 1 is recalled for the chosen polarity Analog inputs mute status An In Mute X X Analog inputs are mute does not apply to Analog Fallback Mode ON and input channels muted Digital inputs mute status Di In Mute X X Digital inputs are mute Stand by status Stand by X X Stand by mode is ON Running status for CP4SW Running High when stand by mode is OFF Bli...

Страница 42: ... the channel is correct i e there is no fault and NXAMP is able to measure the impedance and the measured impedance is within the limits set on the Load Monitoring page All impedances status All Imped X X Impedance is correct for all channels i e no channel is reporting a fault NXAMP is able to measure the impedance and the measured impedance for all the channels is within the limits set on the Lo...

Страница 43: ...roller will automatically cross the amplifier outputs to have the channel 1 outputting on Speakon A and Channel 2 outputting Speakon B and so on This could be a problem when using proprietary patch panel foreseen to be used with CH1 always outputting on Speakon A 1 1 and Speakon B 2 2 In this case this menu enables to go back to Static mode Note that if both adjacent speakers do not use output on ...

Страница 44: ...he power source and the amplifier might be wrong B Unstable power source Check AC power connection MAINS2 VOLTAGE V ONLY 4X4 The mains 2 voltage is out of the limits Under 60 V or over 276 V Automatically shut down and reboot After reboot Error Screen displayed until the causes are removed A The connection between the power source and the amplifier might be wrong B Unstable power source Check AC p...

Страница 45: ...is triggered only if the alert condition cannot be removed by other protections such as limiter mute and fan rotation FAN1 ERROR Error detected on Fan 1 Number of malfunctioned fans 1 of 3 Display alert message on GUI 2 or more of 3 Automatically shut down and reboot After reboot Error Screen displayed until the causes are removed This alert is triggered when CPU cannot sense the fan s actual rota...

Страница 46: ...y shut down and reboot After reboot Error Screen displayed until the causes are removed Check AC power connection PER CHANEL POWER AMP DC OUTPUT ALERT DC output is detected in the given amplifier channel Automatically shut down and reboot After reboot Error Screen displayed until the causes are removed The amplifier unit might malfunction due to some unexpected reason Call service center AMPLIFIER...

Страница 47: ...toring function specification LOW LOAD ALERT The measured impedance is under the predefined upper limit Behaves as defined in Load Monitoring function specification DPU DIGITAL PATCHING UNIT FOR NXAMP The Digital Patching Unit DPU is a 1U 1 accessory for NXAMP and NXAMPmk2 powered TDControllers This device is intended to automatically set up the power outputs of an NXAMP Powered TDController to th...

Страница 48: ...put See further in the manual to have the actual displayed information BACK PANEL DESCRIPTION WARNING Unplug the device from mains before connecting or disconnecting any cable to or from it C MAINS CONNECTORS There are two mains connectors on the DPU These two connectors lead to two fully redundant power supplies for redundancy purpose meaning that the DPU can still work even if one main is missin...

Страница 49: ... side Below is the cable to be used to connect NXAMPmk2 to DPU pinout NXAMP serial port pins DPU serial port pins 2 RXD NXAMP Receive 3 TXD 3 TXD NXAMP Transmit 2 RXD 5 GND Signal ground 5 GND Other Unused Other NB A cable kit for DPU containing 2 x 4 poles 4 x 4mm speakON cable 1 x db9 crossover null modem cable 2 x IEC mains cable with lockable connector available with EU or US plugs can be purc...

Страница 50: ...s the internal routing of SPK4 and SPK8 is done like on the bellow picture This means that SPK4 and SPK8 are always connected hardwired in parallel In most of the cases only one of these plugs will be used at a time but this parallel wiring can be useful to carry two SPK4 outputs over a SPK8 long cable for example with breakout box at the other end or to link several amplifiers together see furthe...

Страница 51: ... the M3 text is displayed on both lines because it is an active speaker using both 3 3 pair and 4 4 pair of the SPK8 connector 2 Speaker Mode For some setups the mode is shown also on the display alternatively For example for our PS15R2 setup if you edit the setup for Channel 2 and select a monitor setup the DPU display above will alternate with This information indicates that the PS15R2 to be con...

Страница 52: ...s requiring more than one NXAMPmk2 to feed all channels or with STM to feed a four way system using bridge amplifiers Each time a DPU has nothing displayed on a line of one of its displays it means that the corresponding pins on the associated speakON connectors are floating Thus it can be feed with other DPU output The following example will show how to connect two DPUs together to feed a speakON...

Страница 53: ...ir cable to prevent electromagnetic interference Remote control is IP based There is no setup for IP address it will be done automatically by the NXAMPmk2 although more advanced IP setup can be done through the NXAMPmk2 front panel if needed By default When no DHCP server is running on the network typical simple network with remote control computer directly connected on the NXAMPmk2 the NXAMPmk2 w...

Страница 54: ...devices within a 2D space Adding custom background pictures and editing their brightness and blurriness Grouping devices or channels for multi device control and visualizing groups and zones on the 2D space Quickly muting soloing and monitoring the status of devices groups or zones including peak and protect for the entire network Selecting setups from the standard library and building custom setu...

Страница 55: ...rol is available upon request As it is based on TCP IP it can be integrated into many system management solutions such as Q SYS or Crestron FIRMWARE UPDATE NEXO NEFU Like any digital devices firmware upgrade can provide new functions such as NEXO Speakers Presets and bug fixes in the NXAMPmk2 The firmware file LOADX_XX can be downloaded from the NEXO website and installed through an Ethernet netwo...

Страница 56: ...ting Loading a firmware file and viewing all versions of targeted systems Performing an intelligent update of all device s parts NXAMPmk2 and expansion slot Simultaneous update Automatically notifying for new application and firmware version Better error handling Exporting a log of the update process Check out our web site nexo sa com for more information about NEXO NeFu features and the latest re...

Страница 57: ... channels of an ES100 EtherSoundTM stream In and Out ports for easy daisy chaining third port for remote control NXAE104 AES EBU card receives 4 audio channels 24 bits 44 1 96kHz in AES EBU format 2 x AES EBU stereo XLR inputs 1 x AES EBU buffered output with fail safe relay and 2 x switched RJ45 ports enable remote control and easy daisy chaining NXRM104 2 x RJ45 ports enable remote control and e...

Страница 58: ...Front panel features include four analogue XLR inputs plus link three RJ45 ports for digital audio networking and LED VU meters DPU The DPU optimizes the NXAMPmk2 s channel by channel preset selection by automatically routing its outputs to any of six output connectors on the DPU front panel Cabinet names and bridging status are displayed alongside each output making it easy to wire the system ...

Страница 59: ...lug the NXAMPmk2 from the main before cleaning it Check regularly the dust level of the air intakes of the NXAMPmk2 If some dust is inserted into the cooling tunnel of the amplifier use compressed air to remove it from the amplifier The chassis and the front panel can be cleaned using a dry cloth ...

Страница 60: ...analog inputs Power output 4 x NL4 outputs 4 poles connectors Main sockets PowerCon 20A with secure lock 1 2 Front panel features Switch and knobs Pushable rotary encoder with surrounding LEDs Screen diagonal WGVGA 80 x RGB x 2 2 TFT LCD touch screen Mains requirements Mains voltage Universal power supply with active PFC 100 240 Volts 50 60Hz Power consumption Idle 165 Watts 190 Watts 270 Watts Po...

Страница 61: ... 8 9 A 4 9 A 397 W 1355 341 1 4 Max power 16 A 8 5 A 592 W 2020 509 NXAMP4X2MK2 WITH 2 OHMS LOAD ON EACH CHANNEL Line Current A Watts Dissipated Thermal Dissipation 120 V 230 V BTU h kcal h Idle 1 8 A 1 1 A 190 W 648 163 1 8 Max power 15 7 A 8 2 A 607 W 2072 522 1 4 Max power 29 1 A 14 5 A 980 W 3344 843 NXAMP4X4MK2 WITH 2 OHMS LOAD ON EACH CHANNEL Line Current A Watts Dissipated Thermal Dissipati...

Страница 62: ...DRAWINGS AND DIMENSIONS PAGE 62 70 NXAMPMK2 USER MANUAL DRAWINGS AND DIMENSIONS 80 mm 88 mm 1 2 mm ...

Страница 63: ...bal mute Mute status of the four channels If overmute is active the channels mute status is preserved 0 1 Limiting Output The amplifier has to reduce its output level for protection if too hot Output level is reduced by 3dB if one of the power amplifier s heat sink reaches 0 C then 3 more dB above 80 C 0 1 Muting Output The amplifier has to mute its output for protection if extremely hot more than...

Страница 64: ...maximum displacement the speakers can safely reach under the current preset 60 0 dB Speaker Protection per ch Reduction of the output levels currently applied by the NXAMP in dB 0 dB being no protection It is the maximum of all protections displacement thermal peak limiter etc see System Headroom for more detail 0 60 dB Low and High Load Alert per ch Should be used in conjunction with the load mon...

Страница 65: ...Institute of Computer Science All rights reserved Redistribution and use in source and binary forms with or without modification are permitted provided that the following conditions are met 1 Redistributions of source code must retain the above copyright notice this list of conditions and the following disclaimer 2 Redistributions in binary form must reproduce the above copyright notice this list ...

Страница 66: ...rect method of disposal weee_eu_en_02 VERBRAUCHERINFORMATION ZUR SAMMLUNG UND ENTSORGUNG ALTER ELEKTROGERÄTE Befindet sich dieses Symbol auf den Produkten der Verpackung und oder beiliegenden Unterlagen so sollten benutzte elektrische Geräte nicht mit dem normalen Haushaltsabfall entsorgt werden In Übereinstimmung mit Ihren nationalen Bestimmungen bringen Sie alte Geräte bitte zur fachgerechten En...

Страница 67: ... est seulement valable dans l Union européenne Si vous souhaitez vous débarrasser de déchets d équipements électriques et électroniques veuillez contacter les autorités locales ou votre fournisseur et demander la méthode de traitement appropriée weee_eu_fr_02 INFORMACION PARA USUARIOS SOBRE LA RECOGIDA Y ELIMINACION DE LOS EQUIPOS ANTIGUOS Este símbolo en los productos embalajes y documentos anexo...

Страница 68: ...USER NOTES PAGE 68 70 NXAMPMK2 USER MANUAL USER NOTES ...

Страница 69: ......

Страница 70: ...NEXO S A Parc d Activité Du Pré de la Dame Jeanne B P 5 60128 Plailly FRANCE Tel 33 0 3 44 99 00 70 Fax 33 0 3 44 99 00 30 E mail info nexo fr nexo sa com ...

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