Harman JBL GX-A422SI, Service Manual

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SPEAKER AND INPUT CONNECTIONS
Always connect the (+) speaker terminal on the ampli fi er to the (+) terminal on the speaker and the (–) speaker terminal on the ampli fi er to the (–) terminal
on the speaker.
IMPORTANT: Make sure the (+) and (–) bare wires do not touch each other or the other terminal at both the amplifier terminals and speaker
terminals. Touching wires can cause a short circuit that can damage the amplifier.
SPEAKER CONNECTIONS
Minimum speaker impedance: 2 ohms (each)
Connect the left and right speakers to the L and R (+) and (–) terminals.
Left Speaker Right Speaker