JBL 4312G Owner's Manual

4CONNECTIONSCAUTION: Make sure that all of the system’s electrical components are turned OFF (and preferably unpluggedfrom their AC outlets) before making any connections.Speakers and amplifiers have corresponding positive and negative (“+” and “–”)Negative (–)TerminalsPositive (+)Terminalsconnection terminals. The 4312G has color-coded connection terminals. The “+” terminal isred, while the “–” terminal is black. See the illustration on the right.The 4312G is designed so that a positive voltage at the “+” (red) terminal will cause thespeaker drivers to move outward (toward the room).We recommend using a high-quality speaker cable with polarity coding. The side of thecable with a ridge or other coding is usually considered positive polarity (“+”).To ensure proper polarity, connect each “+” terminal on the back of the amplifier or receiverto the respective “+” (red) terminal on each speaker. Connect the “–” (black) terminals ina similar way. See your receiver or amplifier’s owner’s manual to confirm its connectionprocedures.BASIC SINGLE-WIRE CONNECTIONConnect the amplifier to each speaker as shown in+ –Receiver or Amplifier(one channel shown)SpeakerConnector Panelthe illustration on the right.IMPORTANT: Do not reverse polarities (i.e., “+” to“–” or “–” to “+”) when making connections. Doingso will cause poor stereo imaging and diminishedbass performance.The 4312G’s gold-plated speaker terminals can accepta variety of wire connector types: bare wire, spadeconnectors, pin connectors and banana connectors.USING BARE WIRE OR PIN CONNECTORS:IMPORTANT: Make sure that the (+) and (–)A. UnscrewCapB. Insert Bare Wire orPin Connector throughHole in PostC. Tighten Cap toSecurewires or pins do not touch each other or the other terminal.Touching wires can cause a short circuit that can damageyour receiver or amplifier.USING SPADE CONNECTORS:IMPORTANT: Make sure the (+) and (–) spadeA. UnscrewCapB. Insert SpadeConnector Bladesaround PostC. Tighten Capconnector blades do not touch each other or the other terminal.Touching blades can cause a short circuit that can damage yourreceiver or amplifier.USING BANANA CONNECTORS:A. TightenCapB. Insert BananaConnector into Holein Cap+ –

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