How to prevent automatic turn-off on Sub??? - AVS Forum
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post #1 of 5 Old 08-11-2012, 06:16 PM - Thread Starter
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Hello everyone I am having a problem with my home theater set up. Let me first break down all of the components:

Yamaha RX-A710 Receiver
Definitive Technology ProSub 800 Sub

The Definitive sub has an automatic off feature. The problem is that unless the volume is turned up to a considerable volume, the subwoofer does not come on or will not stay on. Is there any way to set a very low threshold that will turn the sub woofer on and keep it on? It is very annoying to have the bass turn off in the middle of something because the volume was turned down. If it matters, my TV service provider is Directv and this occurs on all of my devices, including PS3.

Thank you for the help!
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post #2 of 5 Old 08-11-2012, 06:45 PM
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Try turning the gain down on the sub itself and turn the sub level up on the receiver itself to offset the level difference. The sub is likely not getting a high enough signal from the receiver, which is why it is shutting off.


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post #3 of 5 Old 08-11-2012, 06:46 PM
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Quote:
Originally Posted by ndskurfer View Post

Try turning the gain down on the sub itself and turn the sub level up on the receiver itself to offset the level difference. The sub is likely not getting a high enough signal from the receiver, which is why it is shutting off.

Yep. What he said.

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post #4 of 5 Old 08-12-2012, 12:14 PM - Thread Starter
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Please forgive my inexperience, ignorance, stupidity, or whatever you want to call it. Just want to make sure I am doing the right things.

I adjusted the tone on the receiver to +6, or the maximum, for bass.
Then I lowered the dial on the side of the Sub that controls the volume.

Unfortunately I'm still having the Auto-off problem occur when the sound is out a low volume. Any other possible solutions or am I out of luck?

Thank you again!
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post #5 of 5 Old 08-12-2012, 04:21 PM
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Tone? confused.gif Your AVR's line level output setting should be around 0 or the same level as your mains. Either use the auto setup feature or use test tones and an spl meter to balance your system correctly. Check all your connections and make sure the sub's auto-switch is set to ON. If all else fails try changing the sub cable.



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