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Anleitung Zusammenfassung
Page 3 Unpacking ............................................... Page 3 Precautions .............................................. Page 4 Safety Instructions .................................... Page 5 Notes On “Hum” ........................................ Page 6 Cooling .................................................... Page 7 Placement ................................................ Page 7 Rack Mounting ......................................... Page 7 Electrical Connections ............................... Page 8 Input Connections ..................................... Page 8 Zone Volume Controls ................................ Page 8 Output Connections .................................. Page 8 Loudspeaker Phasing ................................ Page 8 Hook-Up Diagram ..................................... Page 9 Loudspeaker Ratings ................................ Page 10 Operation ............................................... Page 10 Power Switch .......................................... Page 10 Remote-Power-On ................................... Page 10 Optic Protection Circuit ............................ Page 10 Circuitry ................................................. Page 11 AC Line Connector And Power Cord ........... Page 11 AC Fuse .................................................. Page 11 Detachable Modular Component (DMC4) ... Page 11 AT6012 Specifications .............................. Page 12 General Maintenance And Service ............. Page 13 Warranty ................................................ Page 14 Obligation To Make Changes .................... Page 14 Save For Your Reference ........................... Page 15 Page 2 Functional Description The AT6012 is a 12-channel, 6-zone power amplifier designed to provide audiophile-quality sound in multi-room installations. The AT6012 consists of six 2-channel modules (DMC 4). Each zone’s volume (gain) can be remotely adjusted via a “dry” 3-wire connection from control devices such as Crestron, Xantech, Phast etc. Please consult the instruction manuals from those companies to ensure compatibility. The AT6012 can be activated remotely via a DC current of 3 to 24 V. An Optic Protection Circuit will protect each amplifier module from overloads and shorts and will automatically reset itself. Unpacking The AT6012 has been carefully inspected, tested and packed before leaving the factory. Immediately upon receiving your amplifier, inspect the carton for evidence of mishandling during shipment. Then, carefully unpack the amplifier and inspect it for damage. We suggest that you open the carton from the bottom, then carefully turn the box over and lift the carton away from the amplifier, thus facilitating access to the unit. Please save the shipping carton and all inner packing materials in the event that the amplifier needs to be shipped for service or moved to a new location. Should you discover that the amplifier has been damaged during shipping, please contact your dealer or ATI immediately and request the name of the carrier so a written claim can be made. THE RIGHT TO A CLAIM AGAINST A PUBLIC CARRIER CAN BE FORFEITED IF THE CARRIER IS NOT NOTIFIED PROMPTLY IN WRITING AND IF THE SHIPPING CARTON AND PACKING MATERIALS ARE NOT AVAILABLE FOR INSPECTION BY THE CARRIER. SAVE ALL PACKING MATERIALS UNTIL THE CLAIM HAS BEEN SETTLED. Page 3 Precautions The amplifier is a wideband design with substantial power output capability. Certain precautions must be taken to ensure proper operation. 1. Never expose the unit to moisture. 2. Never plug an input cable into the amplifier while the amplifier is turned on. 3. Never apply the “thumb test” (touching the “hot” lead of the input cable with your finger) to the tip of the input cable or input jack of the amplifier. RF rectification and/or hum will be created and almost surely will damage the loudspeakers. ATI will not be responsible for damage to the loudspeakers due to improper use of the equipment. 4. Under no circumstances should the output terminals of the amplifier be short-circuited. 5. Avoid restricting the airflow around the unit. Good airflow is necessary to help ensure proper operation. 6. Be sure that the loudspeakers connected can handle the output power of the amplifier at the loudspeakers’ rated impedance. The warranty on the amplifier does not cover damage to loudspeakers that have inadequate power handling capabilities. 7. Do not stack other system components or any other materials directly on top of the unit. The heat-dissipating system of the amplifier depends on free flowing air around the chassis. WARNING: DO NOT OPEN AMPLIFIER, RISK OF ELECTRICAL SHOCK! DO NOT ATTEMPT SERVICING THIS UNIT YOURSELF. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. Page 4 Safety Instructions WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE. Read all the safety and operating instructions before connecting or using this unit. All warnings on the unit and...