nuJubilee 50 Subwoofer Set

Safety Instructions nuJubilee 50

Before connecting and operating the device, the user manual and especially its safety instructions must be read in full. For your own safety, be sure to follow all warning and safety instructions in this manual and on the speaker. No work should be performed on the speaker by the user other than the described actions. Keep this document in a place where you can access it at any time. It should also be handed over to any future owners.

Intended Use

This speaker is designed exclusively for audio playback in dry indoor environments. Use the speaker only as described in this manual. Any other use (especially in safety-critical or medical applications, outdoor installation as with specially IP-certified products) is considered improper and may result in property damage or even personal injury. Nubert electronic GmbH assumes no liability for damage resulting from improper use.

General Instructions

Never operate the speaker unattended!

Risk of Electric Shock!

To reduce the risk of electric shock, the speaker must not be opened by the user. There are no user-serviceable parts inside the speaker. Servicing and repairs should only be carried out by qualified personnel authorized by Nubert. In case of service needs, please contact Nubert electronic GmbH directly (info@nubert.de)!

Risk of Suffocation!

Never leave children unattended with the speaker, remote control, or packaging! There is a risk of children getting entangled in the plastic packaging and suffocating. Ensure that children cannot detach small parts from the devices! These parts, as well as the battery of the remote control, could be swallowed and cause suffocation. If any parts are swallowed, seek medical assistance immediately!

Risk of Injury or Damage!

When moving the speaker, handle it with care to avoid injuries and damage!

Warning!

Since the speaker can only be completely disconnected from the mains via the power input on the rear of the device or by unplugging the power plug from the socket, it must be positioned so that you have free access to the power input or power plug. If any of the following conditions occur, turn off the speaker immediately and disconnect it from the power supply. Contact Nubert electronic GmbH (info@nubert.de) immediately!

• The speaker has been damaged or has fallen
• The power cable or power plug is damaged
• Objects or liquids have entered the speaker
• The speaker has been exposed to excessive moisture or rain
• The speaker is not functioning properly or shows a significant reduction in performance
• The speaker emits a burning smell, develops smoke, or produces unusual noises.

Use only accessories recommended by Nubert!

Placement Instructions

Warning!

An unstable placement may cause damage to the speaker.

• Place the speaker only on a flat, stable surface and ensure it cannot be knocked over!
• Ensure that cables are not accidentally pulled to prevent the speaker from tipping over or damaging the connection ports!
• Keep the speaker away from strong mechanical vibrations!

Warning!

Excessive heat buildup inside the device can shorten its lifespan or lead to fire.

• Never cover the rear of the speaker! Ensure there is a clearance of at least 10 cm at the rear and sufficient air circulation!
• Do not operate the speaker or remote control near heat sources such as radiators or ovens!
• Do not expose the speaker or remote control to direct sunlight!
• Never place burning candles or similar open flames on the speaker!

Risk of Explosion!

Placing the speaker in unsuitable locations may cause explosions. Do not use the speaker or remote control:

• In fire or explosion-prone environments!
• At extremely low or high temperatures!
• Near flammable gases or vapors!
• In areas with heavy dust accumulation!
• Near highly flammable materials!

Risk of Electric Shock!

The speaker carries mains voltage inside and has areas with voltages exceeding 35 V AC or DC. It has no special protection against liquid or object ingress. There is a risk of fatal electric shock.

• Never touch the speaker with wet hands!
• Use the speaker only in a dry location!
• Do not operate it outdoors or in humid environments!
• The speaker must be protected from all liquids, including dripping and splashing water.
• Do not place any liquid-containing objects (e.g., flower vases) on or near the speaker!
• If the speaker is brought from a cold to a warm environment, condensation may form inside. Wait at least 6 hours before turning it on, allowing it to reach room temperature and dry out!
• Do not use the speaker during rapid temperature changes!
• No objects or foreign materials should enter the device.
• If the speaker has been exposed to liquid or if objects have entered the interior, immediately unplug it and contact Nubert electronic GmbH (info@nubert.de)!

Risk of Injury or Damage!

For speakers with threaded inserts on the bottom: The threaded inserts on the bottom of the housing should only be used for mounting the supplied speaker feet! They are not designed for tensile loads and must not be used to attach hooks or similar supports to hang the speaker. A falling speaker can cause serious injury and damage.

Connection Instructions

General Connection Instructions

Unplug the power cord before making any wiring changes to the system!

• Ensure that all connections are properly made and that all plugs are securely inserted into the sockets before connecting the speaker to the power supply!
• Use only the designated cables and connectors for connections! Otherwise, damage or malfunctions may occur.
• When disconnecting connections from the speaker, always pull the plug, never the cable!
• Ensure all plugs fit securely in the sockets!
• Use only cables and accessories recommended by Nubert.

Risk of Electric Shock!

Faulty power supply systems or excessive mains voltage can cause electric shocks.

• All power supply or antenna systems connected to the speaker must comply with applicable legal regulations and standards and must be professionally installed by a licensed installation company.
• Use only the designated power cable to connect the speaker. The power cable and its plug must not be modified in any way.
• Ensure that the mains voltage at your location matches the speaker's requirements! The correct power supply specifications can be found on the label on the back of the speaker. It must not be connected to other power sources.
• Class 1 devices must be connected to the protective earth conductor of the electrical installation, which is at earth potential. Ensure that the protective earth installation at the connection point is correctly executed!
• When routing power cables, ensure that they cannot be damaged (for example, by heat or mechanical stress)! Pay special attention to the areas around plugs and distributors!

Warning!

Power surges in the electrical grid (e.g., due to lightning strikes) can damage or destroy the device and power supply unit.

• A surge protection device can provide some protection against excessive voltage in the power grid.
• However, the highest level of protection can only be ensured by completely disconnecting your devices from the power supply and antenna systems. Therefore, unplug the power cable from the socket and any antenna connectors from your Hi-Fi system during thunderstorms or when lightning is expected!
• If the speaker is not used for an extended period or is left unattended, the power supply should be disconnected. Unplug the power cord from the socket!

The package includes a remote control and a battery. When handling remote controls and batteries, observe the following: If the batteries are depleted, the remote control’s range will be significantly reduced. Replace the batteries immediately in such cases. Always use high-quality lithium button cells of type CR2025 as replacement batteries. When inserting the battery into the compartment, ensure the correct polarity by aligning with the + and - signs in the battery compartment!

Warning!

Improper handling may cause property damage.

• Do not drop the remote control!
• Do not expose the remote control or the battery to water or other liquids!
• Do not operate or store the remote control and battery in places with high humidity or extremely high or low temperatures.

Danger!

Leaking or exploding batteries pose a health hazard and can cause property damage.

• If the device is not used for an extended period or if the batteries are depleted, remove the batteries from the remote control to prevent discharge, acid leakage, or explosions.
• Leaking batteries must be replaced immediately.
• If you find a leaking battery, do not touch the leaked material and dispose of the batteries immediately!
• Do not touch leaking batteries!
• If the leaked material comes into contact with your skin, eyes, or mouth, immediately rinse the affected area with water and seek medical attention!

Risk of Internal Chemical Burns!

Swallowing batteries can cause severe internal burns within a short time and lead to death.

• Ensure that batteries do not enter your body in any way, especially through ingestion!
• Keep new and used batteries away from children.
• If the battery compartment does not close securely, stop using the product and keep it away from children.
• If you suspect that a battery has been swallowed, inserted into a body opening, or otherwise entered the body, seek medical attention immediately!

Care and Cleaning Tips

Warning!

Improper handling of the speaker may cause damage.

• Always unplug the power cord before cleaning the speaker.
• Before resuming operation, ensure that all connections are correct, no short circuits are present, and the speaker is completely dry.
• Never use harsh cleaning agents or solvents such as gasoline, alcohol, or similar substances!

Cabinet

We recommend using a common window cleaner sprayed onto a cotton cloth. This effectively removes most fingerprints and dirt. Alternatively, you can use window foam cleaner. We advise against using microfiber cloths, as they may cause micro-scratches on the surface.

Speaker Membranes and Chassis

To remove dust from a speaker chassis, use a lint-free cotton cloth and lightly wipe the membrane with very little pressure.

Safety Instructions nuSub XW-900

The entire operating manual, in particular the safety instructions, must be read in full before connecting and commissioning the device. For your own safety, be sure to follow all warnings and safety instructions in this manual and on the speaker. The user is not permitted to carry out any work on the loudspeaker other than the described work. Keep this document so that you have access to it at all times. Furthermore, it must also be handed over to possible re-owners.

Intended Use

This speaker is designed exclusively for sound reproduction in dry rooms. Use the speaker only as described in this manual. Any other use (particularly safety-relevant or medical use, installation in open environments like IP-certified products) is considered improper and may result in property damage or even personal injury. Nubert electronic GmbH does not assume any liability for damages caused by improper use.

General Information

Never Operate the Loudspeaker Unattended!

Danger of Electric Shock!

To avoid the risk of electric shock, the speaker may not be opened by the user. There are no user-serviceable parts inside the speaker. Service work and repairs are reserved for qualified specialists authorized by Nubert. If you need service, please contact Nubert electronic GmbH directly (info@nubert.de)!

Danger of Suffocation!

Never let children use or play with the speaker, remote control, or packaging unattended. There is a risk that children will get caught in the packaging film and suffocate. Make sure that children cannot remove any small parts from the devices! These parts, like the remote control battery, could be swallowed and cause suffocation. In case of swallowing any parts, contact a doctor immediately.

Danger of Injury or Damage!

When moving the speaker, take care to avoid injury and damage!

Caution!

Since the speaker can only be completely disconnected from the mains at the mains input on the rear of the unit or by pulling the mains plug from the socket, it must be positioned so that you have free access to the mains input or mains plug. If any of the following situations occurs, the loudspeaker must be switched off immediately and disconnected from the mains. Contact Nubert electronic GmbH (info@nubert.de) immediately:

• The speaker has been damaged or has fallen down.
• Power cord or plug is damaged.
• Objects or liquid have got into the loudspeaker.
• The speaker has been exposed to excessive moisture or rain.
• The speaker does not work properly or exhibits a significant reduction in performance.
• The loudspeaker smells burnt, develops smoke, or makes unusual noises.

Caution!

The driver in this loudspeaker produces a strong magnetic field in its immediate vicinity that can affect or damage other equipment close by. It is therefore imperative that you keep magnetically sensitive devices and items away from the loudspeaker. Never place CRT screens, notebooks, hard drives, or similar devices on the loudspeakers!

Only use accessories recommended by Nubert!

Installation Instructions

Caution!

An unstable location can damage the speaker.

• Only place the loudspeaker on a flat, stable surface and make sure that it cannot be knocked over!
• Also make sure that no unintentional pulling can occur on the cables to avoid knocking over the speaker or damaging the connection sockets!
• Keep strong mechanical shocks away from the loudspeaker!

Caution!

Excessive heat build-up inside the unit can shorten its service life or lead to fire.

• Never cover the back of the speaker! Make sure that there is a clearance of at least 10 cm and sufficient air circulation in the back area!
• Do not operate the speaker and remote control near heat sources such as radiators or stoves!
• Do not set the speaker and remote control to direct sunlight.
• Never place burning candles or similar open fire sources on the loudspeaker!

Danger of Explosion!

Installation in unsuitable locations can cause explosions. Do not use the speaker or remote control:

• in environments where there is a risk of fire or explosion!
• at extremely low or extremely high temperatures!
• near flammable gases or vapours!
• near strong dust!
• near flammable materials!

Danger of Electric Shock!

The loudspeaker carries mains voltage and voltages higher than 35 V AC or DC inside. It has no special protection against the intrusion of liquids or objects into the system. There is therefore a risk of lethal electric shock.

• Never touch the speaker with wet hands!
• Only use the speaker in a dry place!
• Do not operate it outdoors or in damp rooms!
• The loudspeaker must be protected from liquids of all kinds, including dripping and splashing water.
• Do not place any containers containing liquids (e.g., flower vases) on the speaker or in the immediate vicinity!
• If the loudspeaker is moved from a cold environment to a warm room, condensation may form inside the unit. Wait at least six hours until the loudspeaker has reached room temperature and is dry before switching it on!
• No objects or foreign bodies may get into the device.
• Should the loudspeaker come into contact with liquids or should objects have got inside, please unplug the mains plug immediately and contact Nubert electronic GmbH (info@nubert.de)!

Danger of Injury or Damage!

For speakers with threaded bushings on the underside:

• The threaded bushings may be used for upright mounting of the loudspeaker on suitable base plates only.
• The threaded bushings on the underside of the loudspeaker enclosures are not designed for tensile loads and must therefore not be used as holders for hooks or similar devices in order to suspend the loudspeaker cabinet.
• A falling speaker may cause serious injury and damage.

Connection Instructions

General Connection Instructions

• Disconnect the mains plug before changing any wiring on the system!
• Make sure that all connections have been made correctly and that all plugs are firmly seated in the sockets before connecting the speaker to the mains.
• Use only the intended cables or plug connections for the connections! Failure to do so may result in damage or malfunction.
• If you want to disconnect connections on the loudspeaker, always pull the plug, never the cable!
• Ensure that all plugs are firmly seated in the sockets!
• Only use cables and accessories recommended by Nubert!

Danger of Electric Shock!

Faulty mains supply systems or excessive mains voltage can lead to electric shocks.

• All power supply or antenna systems connected to the loudspeaker must comply with all applicable laws and regulations and be professionally installed by an approved installation company.
• Use only the appropriate power cord to connect the speaker. Do not modify the power cord or its plug.
• Make sure that the mains voltage at your location matches the requirements of the loudspeaker! The correct power supply can be found on the label on the back of the speaker. It must not be connected to other power supplies.
• Devices of Class 1 construction must be connected to the mains power socket outlet with a protective earth connection. Make sure that the installation of the protective earth is carried out correctly!
• When laying the power cables, make sure that they cannot be damaged (e.g., by heating or mechanical stress)! Pay particular attention to the areas of the connectors and distributors!

Caution!

Overvoltage in the power supply system (e.g., due to lightning) can damage or destroy the device and power supply unit.

• An overvoltage protection element can provide a certain degree of protection against excessively high voltages in the power grid.
• However, the greatest possible protection against damage can only be achieved with the complete separation from the mains supply. In case of thunderstorms or danger of lightning strikes, disconnect the mains cable from the socket and any antenna plugs from your hi-fi system!
• If the speaker is not used for a long period of time or is unattended, the power supply should be disconnected. Disconnect the mains plug from the socket!

Care and Cleaning Tips

Caution!

Improper handling of the speaker may result in damage.

• Always unplug the speaker before cleaning it!
• Before recommissioning, make sure that all connections are correct, that there are no short circuits, and that the speaker is completely dry.
• Never use strong cleaning agents or solvents such as petrol, spirit, or similar!

Enclosure

We recommend commercial window cleaner sprayed onto a cotton cloth. This allows almost all fingerprints and dust to be easily removed. Alternatively, you can also use window active foam.

We advise against the use of microfibre cloths! These can cause mini scratches in the surface.

Diaphragms and Speaker Chassis

To remove dust from a loudspeaker chassis, a lint-free cotton cloth is sufficient to wipe the membrane lightly with very little pressure.

Safety Instructions nuSub XW-800 Slim

The entire operating manual, in particular the safety instructions, must be read in full before connecting and commissioning the device. For your own safety, be sure to follow all warnings and safety instructions in this manual and on the speaker. The user is not permitted to carry out any work on the loudspeaker other than the described work. Keep this document so that you have access to it at all times. Furthermore, it must also be handed over to possible re-owners.

Intended Use

This speaker is designed exclusively for sound reproduction in dry rooms. Use the speaker only as described in this manual. Any other use (particularly safety-relevant or medical use, installation in open environments like IP-certified products) is considered improper and may result in property damage or even personal injury. Nubert electronic GmbH does not assume any liability for damages caused by improper use.

General Information

Never Operate the Loudspeaker Unattended!

Danger of Electric Shock!

To avoid the risk of electric shock, the speaker may not be opened by the user. There are no user-serviceable parts inside the speaker. Service work and repairs are reserved for qualified specialists authorized by Nubert. If you need service, please contact Nubert electronic GmbH directly (info@nubert.de)!

Danger of Suffocation!

Never let children use or play with the speaker, remote control, or packaging unattended. There is a risk that children will get caught in the packaging film and suffocate. Make sure that children cannot remove any small parts from the devices! These parts, like the remote control battery, could be swallowed and cause suffocation. In case of swallowing any parts, contact a doctor immediately!

Danger of Injury or Damage!

When moving the speaker, take care to avoid injury and damage!

Caution!

Since the speaker can only be completely disconnected from the mains at the mains input on the rear of the unit or by pulling the mains plug from the socket, it must be positioned so that you have free access to the mains input or mains plug. If any of the following situations occurs, the loudspeaker must be switched off immediately and disconnected from the mains. Contact Nubert electronic GmbH (info@nubert.de) immediately:

• The speaker has been damaged or has fallen down.
• Power cord or plug is damaged.
• Objects or liquid have got into the loudspeaker.
• The speaker has been exposed to excessive moisture or rain.
• The speaker does not work properly or exhibits a significant reduction in performance.
• The loudspeaker smells burnt, develops smoke, or makes unusual noises.

Caution!

The driver in this loudspeaker produces a strong magnetic field in its immediate vicinity that can affect or damage other equipment close by. It is therefore imperative that you keep magnetically sensitive devices and items away from the loudspeaker. Never place CRT screens, notebooks, hard drives, or similar devices on the loudspeakers!

Only use accessories recommended by Nubert!

Installation Instructions

Caution!

An unstable location can damage the speaker.

• Only place the loudspeaker on a flat, stable surface and make sure that it cannot be knocked over!
• Also make sure that no unintentional pulling can occur on the cables to avoid knocking over the speaker or damaging the connection sockets!
• Keep strong mechanical shocks away from the loudspeaker!

Caution!

Excessive heat build-up inside the unit can shorten its service life or lead to fire.

• Never cover the back of the speaker! Make sure that there is a clearance of at least 10 cm and sufficient air circulation in the back area!
• Do not operate the speaker and remote control near heat sources such as radiators or stoves!
• Do not set the speaker and remote control to direct sunlight.
• Never place burning candles or similar open fire sources on the loudspeaker!

Danger of Explosion!

Installation in unsuitable locations can cause explosions. Do not use the speaker or remote control:

• In environments where there is a risk of fire or explosion.
• At extremely low or extremely high temperatures.
• Near flammable gases or vapours.
• Near strong dust or flammable materials.

Danger of Electric Shock!

The loudspeaker carries mains voltage and voltages higher than 35 V AC or DC inside. It has no special protection against the intrusion of liquids or objects into the system. There is therefore a risk of lethal electric shock.

• Never touch the speaker with wet hands!
• Only use the speaker in a dry place!
• Do not operate it outdoors or in damp rooms!
• Do not place any containers containing liquids (e.g. flower vases) on the speaker or in the immediate vicinity!
• If the loudspeaker is moved from a cold environment to a warm room, wait at least six hours for it to reach room temperature and dry before switching it on!
• Should the loudspeaker come into contact with liquids or objects get inside, unplug the mains plug immediately and contact Nubert electronic GmbH!

Danger of Injury or Damage!

The threaded bushings on the bottom of the speaker may only be used as described in the quick start guide! They are not designed for tensile loads perpendicular to the bottom of the housing and must therefore not be used as a mounting point for hooks or similar appliances to suspend the box from the ceiling. A falling speaker may cause serious injury and damage.

Connection Instructions

General Connection Instructions

• Disconnect the mains plug before changing any wiring on the system!
• Make sure that all connections have been made correctly and that all plugs are firmly seated in the sockets before connecting the speaker to the mains.
• Use only the intended cables or plug connections for the connections! Failure to do so may result in damage or malfunction.
• If you want to disconnect connections on the loudspeaker, always pull the plug, never the cable!
• Ensure that all plugs are firmly seated in the sockets!
• Only use cables and accessories recommended by Nubert!

Danger of Electric Shock!

Faulty mains supply systems or excessive mains voltage can lead to electric shocks.

• All power supply or antenna systems connected to the loudspeaker must comply with applicable laws and regulations and be professionally installed by an approved installation company.
• Use only the appropriate power cord to connect the speaker. Do not modify the power cord or its plug.
• Make sure that the mains voltage at your location matches the speaker's requirements. The correct power supply can be found on the label on the back of the speaker. It must not be connected to other power supplies.
• Devices of Class 1 construction must be connected to a mains power socket outlet with a protective earth connection. Ensure proper installation of the protective earth!

Caution!

Overvoltage in the power supply system (e.g. due to lightning) can damage or destroy the device and power supply unit.

• An overvoltage protection element can provide some degree of protection against excessively high voltages in the power grid.
• The greatest protection can only be achieved by completely separating from the mains supply. In case of thunderstorms or lightning strikes, disconnect the mains cable from the socket and any antenna plugs from your hi-fi system!
• If the speaker is unused for a long time or unattended, disconnect the power supply. Unplug the mains cable from the socket!

Care and Cleaning Tips

Caution!

Improper handling of the speaker may result in damage.

• Always unplug the speaker before cleaning it!
• Before recommissioning, make sure that all connections are correct, that there are no short circuits, and that the speaker is completely dry.
• Never use strong cleaning agents or solvents such as petrol, spirit, or similar!

Enclosure

We recommend commercial window cleaner sprayed onto a cotton cloth. This allows almost all fingerprints and dust to be easily removed. Alternatively, you can also use window active foam.

Note: We advise against the use of microfibre cloths! These can cause mini scratches in the surface.

Diaphragms and Speaker Chassis

To remove dust from a loudspeaker chassis, a lint-free cotton cloth is sufficient to wipe the membrane lightly with very little pressure.

Safety Instructions nuSub XW-1200

The entire operating manual, in particular the safety instructions, must be read in full before connecting and commissioning the device. For your own safety, be sure to follow all warnings and safety instructions in this manual and on the speaker. The user is not permitted to carry out any work on the loudspeaker other than the described work. Keep this document so that you have access to it at all times. Furthermore, it must also be handed over to possible re-owners.

Intended Use

This speaker is designed exclusively for sound reproduction in dry rooms. Use the speaker only as described in this manual. Any other use (particularly safety-relevant or medical use, installation in open environment like IP-certified products) is considered improper and may result in property damage or even personal injury. Nubert electronic GmbH does not assume any liability for damages caused by improper use.

General Information

• Never operate the loudspeaker unattended!
• Danger of electric shock! To avoid the risk of electric shock, the speaker may not be opened by the user. There are no user-serviceable parts inside the speaker. Service work and repairs are reserved for qualified specialists authorized by Nubert. If you need service, please contact Nubert electronic GmbH directly (info@nubert.de)!
• Danger of suffocation! Never let children use or play with neither speaker, remote control or packaging unattended. There is a risk that children will get caught in the packaging film and suffocate. Make sure that children cannot remove any small parts from the devices! These parts, like the remote control battery, could be swallowed and cause suffocation. In case of swallowing any parts, contact a doctor immediately.
• Danger of injury or damage! When moving the speaker, take care to avoid injury and damage!
• Caution! Since the speaker can only be completely disconnected from the mains at the mains input on the rear of the unit or by pulling the mains plug from the socket, it must be positioned so that you have free access to the mains input or mains plug.

If any of the following situations occurs, the loudspeaker must be switched off immediately and disconnected from the mains:

• The speaker has been damaged or has fallen down.
• Power cord or plug is damaged.
• Objects or liquid have got into the loudspeaker.
• The speaker has been exposed to excessive moisture or rain.
• The speaker does not work properly or exhibits a significant reduction in performance.
• The loudspeaker smells burnt, develops smoke or makes unusual noises.

Caution!

The driver in this loudspeaker produces a strong magnetic field in its immediate vicinity that can affect or damage other equipment close by. It is therefore imperative that you keep magnetically sensitive devices and items away from the loudspeaker. Never place CRT screens, notebooks, hard drives or similar on the loudspeakers!

Only use accessories recommended by Nubert!

Installation Instructions

Caution!

An unstable location can damage the speaker.

• Only place the loudspeaker on a flat, stable surface and make sure that it cannot be knocked over!
• Also make sure that no unintentional pulling can occur on the cables to avoid knocking over the speaker or damaging the connection sockets!
• Keep strong mechanical shocks away from the loudspeaker!

Caution! Excessive heat build-up inside the unit can shorten its service life or lead to fire.

• Never cover the back of the speaker! Make sure that there is a clearance of at least 10 cm and sufficient air circulation in the back area!
• Do not operate the speaker and remote control near heat sources such as radiators or stoves!
• Do not set the speaker and remote control to direct sunlight.
• Do not expose to direct sunlight!
• Never place burning candles or similar open fire sources on the loudspeaker!

Danger of Explosion!

Installation in unsuitable locations can cause explosions. Do not use the speaker or remote control:

• In environments where there is a risk of fire or explosion!
• At extremely low or extremely high temperatures!
• Near flammable gases or vapours!
• Near strong dust!
• Near flammable materials!

Danger of Electric Shock!

The loudspeaker carries mains voltage and voltages higher than 35 V AC or DC inside. It has no special protection against the intrusion of liquids or objects into the system. There is therefore a risk of lethal electric shock.

• Never touch the speaker with wet hands!
• Only use the speaker in a dry place!
• Do not operate it outdoors or in damp rooms!
• The loudspeaker must be protected from liquids of all kinds, including dripping and splashing water.
• Do not place any containers containing liquids (e.g., flower vases) on the speaker or in the immediate vicinity!
• If the loudspeaker is moved from a cold environment to a warm room, condensation may form inside the unit. Wait at least six hours until the loudspeaker has reached room temperature and is dry before switching it on!
• No objects or foreign bodies may get into the device.
• Should the loudspeaker come into contact with liquids or should objects have got inside, please unplug the mains plug immediately and contact Nubert electronic GmbH (info@nubert.de)!

Danger of Injury or Damage!

For speakers with threaded bushings on the underside:

• The threaded bushings may be used for upright mounting of the loudspeaker on suitable base plates only.
• The threaded bushings on the underside of the loudspeaker enclosures are not designed for tensile loads and must therefore not be used as holders for hooks or similar devices in order to suspend the loudspeaker cabinet.
• A falling speaker may cause serious injury and damage.

Connection Instructions

General Connection Instructions

• Disconnect the mains plug before changing any wiring on the system!
• Make sure that all connections have been made correctly and that all plugs are firmly seated in the sockets before connecting the speaker to the mains.
• Use only the intended cables or plug connections for the connections! Failure to do so may result in damage or malfunction.
• If you want to disconnect connections on the loudspeaker, always pull the plug, never the cable!
• Ensure that all plugs are firmly seated in the sockets!
• Only use cables and accessories recommended by Nubert!

Danger of Electric Shock!

Faulty mains supply systems or excessive mains voltage can lead to electric shocks.

• All power supply or antenna systems connected to the loudspeaker must comply with all applicable laws and regulations and be professionally installed by an approved installation company.
• Use only the appropriate power cord to connect the speaker. Do not modify the power cord or its plug.
• Make sure that the mains voltage at your location matches the requirements of the loudspeaker! The correct power supply can be found on the label on the back of the speaker. It must not be connected to other power supplies.
• Devices of Class 1 construction must be connected to the mains power socket outlet with a protective earth connection. Make sure that the installation of the protective earth is carried out correctly!
• When laying the power cables, make sure that they cannot be damaged (e.g., by heating or mechanical stress)! Pay particular attention to the areas of the connectors and distributors!

Caution!

Overvoltage in the power supply system (e.g., due to lightning) can damage or destroy the device and power supply unit.

• An overvoltage protection element can provide a certain degree of protection against excessively high voltages in the power grid.
• The greatest possible protection against damage can only be achieved with the complete separation from the mains supply. In case of thunderstorms or danger of lightning strikes, disconnect the mains cable from the socket and any antenna plugs from your hi-fi system!
• If the speaker is not used for a long period of time or is unattended, the power supply should be disconnected. Disconnect the mains plug from the socket!

Care and Cleaning Tips

Caution!

Improper handling of the speaker may result in damage.

• Always unplug the speaker before cleaning it!
• Before recommissioning, make sure that all connections are correct, that there are no short circuits and that the speaker is completely dry.
• Never use strong cleaning agents or solvents such as petrol, spirit or similar!

Enclosure

We recommend commercial window cleaner sprayed onto a cotton cloth. This allows almost all fingerprints and dust to be easily removed. Alternatively, you can also use window active foam.

We advise against the use of microfibre cloths! These can cause mini scratches in the surface.

Diaphragms and Speaker Chassis

To remove dust from a loudspeaker chassis, a lint-free cotton cloth is sufficient to wipe the membrane lightly with very little pressure.