Pyle PA305 Instruction Manual - Page 7
Speaker, connections, Connector, options
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6.3 mm or 3-pi n XLRJack MIC Speaker connections One or more speakers (4, 8 or 16 Ohm) speakers can be connected to the amplifier with or without transformers. However, before you connect any speakers to the amplifier, the total speaker impedance must be calculated in order to avoid damage to the amplifier. A total speaker impedance greater than 16 Ohms or less than 4 Ohms can cause this damage to occur. To begin with, in order to ensure equal volume from each speaker, all connected speaker should have the same impedance. A proper total impedance within the 4 to 16 Ohm range can be achieved by combing series and parallel speaker connections. Please see the diagram which follow which explain how to accomplish this. Finally always use the shortest length of speaker wire possible of proper gauge. Usually 18 gauge wire is adequate for lengths under 25 feet, while 16 gauge is used for greater lengths. Connector options The PA305 offers several different connection points for speaker hookups. These include screw terminals, a 6.3mm jack, and a pair of banana plug connectors. It is not proper or recommended to connect all the speaker outputs simultaneously. In addition, please note that when the 6.3mm jack is used, all the screw terminal and RCA signal outputs are disconnected. 6