Assessments - 2, GPA: 4
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For customer orders, contact customer Service at: + 49 9427-706 0 Fax: + 49 9421-706 265 Other International locations. For customer orders, contact Customer Service at: + 1 952 884-4051 Fax: + 1 952 887-9212 For warranty repair or service information, contact the Service Repair department at: 800/685-2606 For technical assistance, contact Technical Support at: 886/78 AUDIO Specifications subject to change without notice. MA-1206 60 watt MA-1212 120 watt Professional Mixer/Amplifiers Instruction Manual and Users Guide INSTALLATION NOTES At all times, the amplifier has to be operated under appropriate conditions. This includes that the operation location provided sufficient ventilation and the device is not exposed to direct sunlight or the direct radiation or reflection from any heat source. Installing the loudspeaker systems choose a location that gets not affected by extreme and / or constant vibration or other mechanical oscillation. also make sure that the speakers are installed at locations that are free from dust and / or moisture. CAUTION We strongly recommend that you leave the connection of the appliance to the qualified and experienced service technician who is specialized in connecting electrical and electronically equipment. Do not take the risk of Electro-shock or shock hazard. To reduce the risk of Electro-shock, all connections have to be accomplished before it is permissible to connect the amplifier to the main supply, Before carried out correctly and that no short-circuit connecting the appliance to the mains supply, once again make certain that all connections are existing. The overall sound reinforcement installation has to be in accordance to the laws, regulations, standards, and guidelines that are relevant and applicable in the country where the equipment is going to be operated. AC POWER SUPPLY CAUTION This equipment operates from a power source that does not apply more than 244 VAC(r.m.s) between the supply conductors or between either supply conductor and ground. DC POWER SUPPLY CAUTION A 24V DC power source (i.e. a battery) has to be connected to the terminals (13) that are covered by a protective lid. To reduce the risk of dropping voltage to a minimum and to eliminate the danger of damaging the battery cables by thermal overload, these cables have to be at least 2.5mm in diameter, each Switching the amplifier on or off is performed through the power switch (6). CONNECTING THE OUTPUT TERMINALS CAUTION TERMINALS marked with the symbol are HAZARDOUS LIVE and the external wiring connected to these TERMINALS requires installation by an INSTRUCTED PERSON or the use of ready-made lead or cords to avoid the risk of electrical shock, never touch the bare conductors leading to the output terminals of the amplifier when it is in operation. Under figures, show the possible connections of the " OUTPUT" speaker terminals accessible by removing the protective cover. Bear in mind the following rules: Constant impedance lines The total impedance of the speakers connected must correspond to that selected on the amplifier's output terminals. The sum of the power capacities of the speakers must be no lower than the amplifier's power capacity. The length of the connecting cables must be as possible; in any case, the longer the distance to be covered and the greater must be the cross-section of the cables. Constant voltage lines Each speaker must be equipped with a line transformer with an input voltage equal to that of the line (25, 70, 100V). The sum of the power capacities of the speakers must not exceed the output power capacity of the amplifier (i.e. total wattage of speakers installed in zones 1 through 5). 1 SAFETY PRECAUTIONS 1. Please read the notes proceeded by the symbol with special attention, as they provide important safety information. 2. The power supply voltage of the amplifier has a sufficiently high value to involve the risk of electrical shock; therefore, never install, connect, or disconnect the equipment with the power supply switched on. 3. The metal parts of the equipment are earthed by means of the power cable. If the power socket used to Supply power does not have an earth connection, call a qualified electrician who will earth the equipment by means of the terminal. 4. Make sure that the power supply cable of the equipment cannot be trodden on or crushed by objects, To ensure that the cable is not damaged. 5. To prevent the risk of electric shock, never open the equipment: there are no parts inside that the user can use. 6. Make sure that no objects or liquids can get into the speaker, as this could cause a short circuit. 7. Never attempt to make any repairs that are not described in this manual. Contact your authorized service centers or highly qualified personnel when: The equipment does not function (or functions in an abnormal way). The power supply cable has been seriously damaged. Objects or liquids have got into the equipment. The equipment has been subject to heavy i...
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