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Go Back   Blu-ray Forum > Audio > Subwoofers

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Old 11-21-2020, 08:00 PM   #1
RedZeppelin RedZeppelin is offline
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Default subwoofer kicking off and on during dialogue

Hello. I recently had to purchase a new subwoofer for my home theater system. I purchased a Paradigm Defiance V10, and I'm running it from an old Yamaha RX-V373 5.1 receiver.

I didn't do any assisted calibration; I just set it to what sounds good, and it sounds fantastic.

However, during dialogue in films and TV shows, I can hear the sub kick in in the middle of a sentence, like it dropped out briefly and something finally re-engaged it. I usually don't even notice when it disappears, because it never drops out during loud scenes or scenes with constant bass. But suddenly in mid-sentence I'll hear the nice bass floor reappear, letting me know it was off for a time.

I did some research and saw frequent suggestions to change all my other speakers to small in my AV setup, which I did. That seemed to help a little but the problem is still there.

Any suggestions?

Thanks.
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Old 11-22-2020, 05:06 AM   #2
Energy Crisis Energy Crisis is offline
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Quote:
Originally Posted by RedZeppelin View Post
Hello. I recently had to purchase a new subwoofer for my home theater system. I purchased a Paradigm Defiance V10, and I'm running it from an old Yamaha RX-V373 5.1 receiver.

I didn't do any assisted calibration; I just set it to what sounds good, and it sounds fantastic.

However, during dialogue in films and TV shows, I can hear the sub kick in in the middle of a sentence, like it dropped out briefly and something finally re-engaged it. I usually don't even notice when it disappears, because it never drops out during loud scenes or scenes with constant bass. But suddenly in mid-sentence I'll hear the nice bass floor reappear, letting me know it was off for a time.

I did some research and saw frequent suggestions to change all my other speakers to small in my AV setup, which I did. That seemed to help a little but the problem is still there.

Any suggestions?

Thanks.
The likely problem is your sub's gain is turned up too loud and the trim from the receiver is set too low. Hence you aren't getting enough signal to keep the subwoofer auto on/off from shutting off. You really need to run the calibration feature and see where it sets everything. If you're still having trouble and you can't boost the sub trim without it being too hot (you don't want to go over 0), you can try lowering the trim on all your other speakers a bit. That way you can run the master volume higher than you are now while keeping the sub trim in the safe area.
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Old 11-22-2020, 07:01 PM   #3
RedZeppelin RedZeppelin is offline
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Thanks. I re-ran the auto-setup feature using the mic that came with the receiver, and it gave me some weird settings. It put all speakers at 0 save for the left rear and sub. It put those at -3 and -9 respectively! With those settings my sub wasn't even audible.

I went back to my original settings, which had the center at +.5 (for louder dialogue) and the rears at +1 (because I really like to hear the surround effects). I originally had the sub at 0 as well, with the volume on the sub itself turned up quite high. I bumped the sub to +3 on the receiver and backed off the volume three ticks on the sub itself.

I'll test that for a while.
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Old 11-22-2020, 09:38 PM   #4
slimdude slimdude is online now
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Most subwoofers activates whenever it detects a LFE audio signal in the soundtrack, otherwise the speaker remains silent.
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Old Yesterday, 12:52 AM   #5
Scarriere Scarriere is offline
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Turn the level on the back of the sub to Max and rerun YPAO.
Use your avr to control the output. I find with Yamaha, I have to run the subs +3 a lot of the time.
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Old Yesterday, 01:26 AM   #6
Energy Crisis Energy Crisis is offline
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Quote:
Originally Posted by RedZeppelin View Post
Thanks. I re-ran the auto-setup feature using the mic that came with the receiver, and it gave me some weird settings. It put all speakers at 0 save for the left rear and sub. It put those at -3 and -9 respectively! With those settings my sub wasn't even audible.

I went back to my original settings, which had the center at +.5 (for louder dialogue) and the rears at +1 (because I really like to hear the surround effects). I originally had the sub at 0 as well, with the volume on the sub itself turned up quite high. I bumped the sub to +3 on the receiver and backed off the volume three ticks on the sub itself.

I'll test that for a while.
+3 on the sub is too hot and you can run into clipping. You don't want that. I would lower the trim by 6 on everything (i.e., center -1, sub -3, etc), then raise the master volume on the receiver. Everything will still be balanced the same as it is now but the sub will be in the safe zone. You never want to go over 0 on your sub trim. Negative numbers are best.

What is your crossover set to? 80 is a good place to start but moving it to 100 will help keep the sub from shutting off.
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Old Yesterday, 11:30 AM   #7
RedZeppelin RedZeppelin is offline
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The crossover is set to 120, which is the default on the Yamaha.
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Old Yesterday, 02:09 PM   #8
RedZeppelin RedZeppelin is offline
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Quote:
Originally Posted by slimdude View Post
Most subwoofers activates whenever it detects a LFE audio signal in the soundtrack, otherwise the speaker remains silent.
Right. I'm just confused why it happens frequently in the middle of a sentence of dialogue.
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Old Yesterday, 04:12 PM   #9
Energy Crisis Energy Crisis is offline
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Here's a very long, in depth post that should be of use to you. Among other things, it specifically addresses the issue with Yamaha receivers you're experiencing and offers several remedies to try.

https://www.avsforum.com/threads/gui...ences.2958528/
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Old Today, 12:11 AM   #10
Scarriere Scarriere is offline
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I also have a Defiance sub and the app is pretty slick.
Maybe ARC would help you out?
I don’t know how much the microphone is, mine came with the sub.
You may wanna look into it. Just a suggestion.
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