Read JBL ARC CINEMA Service Manual online
3
Powered Subwoofer
ARC SUB
CONTROLS AND THEIR FUNCTION
1. Output Level - The Output Level adjustment
determines volume level strength.
2. Crossover Frequency - The Crossover Frequency
adjustment determines the highest frequency the
ARC SUB will reproduce. It allows a seamless
transition from the subwoofer to the satellite
speakers.
ARC SUB will reproduce. It allows a seamless
transition from the subwoofer to the satellite
speakers.
3. On (LED) - This LED will light green when the unit is
plugged in and is receiving signal. When in
standby mode the LED is red.
standby mode the LED is red.
4. Low Level Input - These left and right Line Level
Inputs are normally used when the
receiver/processor has line-level “pre-amp out ”
or “subwoofer out” jacks.
receiver/processor has line-level “pre-amp out ”
or “subwoofer out” jacks.
5. Fuse - Use only a slow-blo 1.0A 250V GMC fuse.
6. High Level Inputs - These High Level Inputs are for
receivers that do not have line-level “pre-amp out”
or “subwoofer out” jacks. When a pair of main or
satellite speakers are attached to the OUTPUT
terminals, frequencies below 180 Hz are attenuated
by the high-pass filter.
or “subwoofer out” jacks. When a pair of main or
satellite speakers are attached to the OUTPUT
terminals, frequencies below 180 Hz are attenuated
by the high-pass filter.
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