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Information in this manual is subject to change without prior notice or obligation. Important Safety Instructions 4 2. Declarations of Conformity 5 3.
Getting Started Unpacking 4. Rear Panel Connections Entero four channel version and eight channel version 5. AC Power Connection 8 8. Loudspeaker Output Connections Output Wiring Operation Modes Stereo Operation Warranty Period Service enterk 3.
Important Safety Instructions English 1. These units are electrical appliances. To reduce the risk of fire or electric shock, do not expose them to rain or moisture; do not disassemble the unit.
There are no user-serviceable parts inside. Refer servicing to qualified service enteo. The lightning flash with arrowhead symbol, within an equilateral triangle, signifies the presence of uninsulated dangerous voltage within the system enclosure that may be of sufficient magnitude to constitute a risk of electrical shock.
The exclamation point, within an equilateral triangle, as marked on engero system, signifies the presence of important operating and maintenance instructions in this gose. Read, Follow, and Save All Instructions Read the complete safety and operating instructions obse all components before using this product. Save the instructions for future reference. Pay Attention to Warnings Observe all warnings on the product and in this guide.
Do Not Use Near Water or Moisture Do not use this product near a bathtub, entwro, kitchen sink, laundry tub, in a wet basement, near a swimming pool, or anywhere else that water or moisture is present. Cleaning Unplug system units from the mains outlet before cleaning.
Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning. Object and Liquid Entry Never push objects of any kind into this unit through openings as they may touch dangerous voltage points or short-out parts that could result in a fire or electric shock. Never blse liquid of any kind on the unit. Attachments Do not use attachments not recommended by Bose Corporation as they may cause hazards. Maintain Proper Ventilation To ensure reliable operation of the product enteero to protect it from overheating, put the product in a position and location that will not interfere with its proper ventilation.
Do not put it in a built-in system, such as a bookcase or a cabinet, that may boes air from flowing through its ventilation openings. Use Proper Power Sources Plug the product into a proper power source, as described in the operating instructions or as marked on the product. If you are not sure of the type of power supply you plan to use, consult your appliance dealer or local power company. Avoid Overloading To prevent the risk of fire or electric shock, do not overload wall outlets, extension cords, or integral convenience receptacles.
Do not put this product on an unstable cart, stand, tripod, bracket, or table.
Bose Entero Manuals
The product may fall, causing serious injury to a person or damage to the product. For advice on use of a particular cart, stand, tripod, bracket, or table, contact Bose Corporation. If you must move your product and cart combination, do so very carefully. Quick stops, excessive force, and uneven surfaces may cause it to overturn.
Declarations of Conformity Protect the Power Cord Route all power supply mains cords so that they are not likely to be walked on or pinched. Pay particular attention to cords at plugs, at outlets on the product, and at the point where the cord connects to the product.
Take Precautions against Lightning and Power Line Surges To prevent damage to this product during a lightning storm, or if the product will not be used for an extended period of time, unplug its power cord from the wall outlet and disconnect the antenna or cable system.
Do not defeat the safety purpose of bkse polarized or grounding-type plug A polarized plug has two blades with one wider than the other. A grounding-type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety.
When the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. Servicing Do not attempt to service bode unit yourself as opening or removing covers may expose to dangerous voltage or other hazards.
Refer all servicing entedo qualified service personnel. The product should be serviced only by authorised service personnel when: Adjust only those controls which are covered by the instructions for use, as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the units to their normal operation, or E. Declarations of Conformity The manufacturer of this amplifier hereby declares that this product is in accordance with the following standards: Caution To reduce the risk of electrical 4040, do not remove the cover.
There are no user serviceable parts inside, refer all servicing to qualified personnel. If opened by qualified personnel, disconnect the amplifier completely from the main power. Replace 4400 only with same type.
Avoid damaging the AC plug or cord. It can potentially causing a shock hazard. Bowe unit should only be connected to an AC power supply of the correct voltage. Boes caused by incorrect power voltage is not covered by warranty.
To reduce the risk of fire or electrical shock, do not expose this appliance to rain or moisture. Do not use this unit in damp areas or near water. The amplifier must be adapted slowly to extreme temperature changes. Getting Started English Though the Entero amplifiers are quite simple to operate and are covered by a solid steel chassis, improper use can be dangerous.
The amplifiers can put out very high voltages and a sizable current at frequencies up to 30kHz. See chapter Grounding too. Always use safe operating techniques! Incompetent and improper servicing can void the warranty. If you find 440 damage, notify your supplier immediately. Be sure to save the carton and all packing materials in case you have to send the product to the supplier. Please use only the original factory packing.
If the shipment carton is unavailable, contact your local dealer to obtain a replacement unit.
Bose Entero Amplifier – What’s Inside
For the installation 4 metric M6 bolts should be used. It is recommended using all four front mounting holes to properly secure the power amplifier in the rack and use a stable installation support at the rear of the amplifier to avoid torsion at the front panel.
Bose Entero, Rear Panel Connections 5. Main Power Switch 3. Fuse Power Supply 1 4. Fuse Power Supply 2 5. Remote Power Switch Connector 6. Phoenix Input Connectors 9. Phoenix Input Connectors Entero only Level Control, Channel entreo to 4 and 5 to 8, Entero only Air Ventilation and Cooling Requirements English 6. Air Ventilation and Cooling Requirements The amplifier is equipped with a forced air-cooling system with variable speed and temperature controlled fans to guarantee low operating temperature and minimal ventilation noise.
The air flow takes place from the front of the amplifier to the rear. In case any heat sink becomes too hot, the temperature sensor opens the respective output relay, disconnecting the output load from the particular boxe.
In case the power transformer gets overheated, a different sensor causes the output relays on all channels to open and to interrupt the outputs. After cooling down to the appropriate operating temperature the relay contacts are closed again automatically. It is bosee to have adequate air ventilation space behind the amplifier 44400 allow a boes air flow.
In case the amplifier is boae into a closed rack, do not cover the front of the rack with doors. When using racks with a closed backside, use fans on the rear rack panel air flow to the inside of the rack. For larger installations in rooms with insufficient ventilation or at temperatures above 25 C, we recommend use of ventilation plates 1RU between the amplifiers.
At room temperatures above 30 C we recommend use of airconditioning 7. AC Power Connection The power amplifier must be connected only with the supplied three-wire safety power cord with protective conductor non-fused earthed conductor. Check for the proper mains voltage before connecting the power cord.
Damages caused by wrong supplied power voltage will not be covered by warranty. Always gose off and disconnect the amplifier from the mains voltage before making any audio connections. The power fuses are located on the back panel of the amplifier and can be accessed from the outside.
Bose Entero 4400 Manuals
Use only the 44000 fuses as labeled. After properly mounting and connecting the AC cord and the audio connections, the unit can be switched on. Number of separate power transformers integrated in the power supply of the different models: