Controls And Their Functions - JBL TLX PS12 Service Manual

Discrete output, high current 12" powered subwoofer
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Powered Subwoofer
1. Output Level - The Output Level adjustment
determines volume level strength.
2. Crossover Frequency - The Crossover Frequency
adjustment determines the highest frequency the
TLX PS10 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.
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.
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CONTROLS AND THEIR FUNCTION
5. Phase Switch - The Phase switch is used to adjust
the relative polarity of the subwoofer. Normally
this switch is set to "0".
6. High Level Inputs - These High Level Inputs are for
receivers that don't 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.
7. Fuse - Use only a slow-blo 2.0A 250V GMC fuse.
TLX PS12
3

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