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JL Audio Ahead of the Curve

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  #91  
Old 01-06-2019, 08:21 PM
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Vintage Pete Vintage Pete is online now
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Originally Posted by jdandy View Post
r0b.......I don't have a schematic for my f113 but as I am able to determine the auto-on sensing circuit cuts power to the amplifier circuitry, yet the auto-on circuit remains energized 24/7 when the auto-on mode is selected in order for it to control the relays that power the amplifier once an incoming audio signal is detected. This means the capacitors in the amplifier are only energized while music is playing, and once the auto-on circuit senses loss of audio signal and times out the amplifier is no longer energized. This would naturally extend the life of the amplifier's capacitors.
I keep my subs on auto-on as well. I can hear the subs power down after roughly 30 minutes of no incoming signal. You can hear a very quiet "thump" as it powers off the amplifier.
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  #92  
Old 01-06-2019, 08:37 PM
r0b r0b is offline
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Quote:
Originally Posted by jdandy View Post
r0b.......I don't have a schematic for my f113 but as I am able to determine the auto-on sensing circuit cuts power to the amplifier circuitry, yet the auto-on circuit remains energized 24/7 when the auto-on mode is selected in order for it to control the relays that power the amplifier once an incoming audio signal is detected. This means the capacitors in the amplifier are only energized while music is playing, and once the auto-on circuit senses loss of audio signal and times out the amplifier is no longer energized. This would naturally extend the life of the amplifier's capacitors.
Makes sense; seems there is no need to worry, despite years of use. Thanks!
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