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Discussion Starter · #1 ·
I have read all the similar threads but had no success. I have a Yamaha RX-V663 receiver, and a Klipsch SW-450 10" sub. I took down my theater because we moved, and now when I set it up, I have just a little bass when turned all the way up. Before I would have it half way up and it would shake the whole house.


I know this is simple to someone out there, I have spent hours trying to figure it out but cant and my kids are having friends over tonight, so I was hoping that they could enjoy the audio when they watch Star Trek.


Thank you in advance
 

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Have you tried moving it around. My first guess is you are in a "dead" spot (for lack of a better word). Sometimes moving it a few feet left or right will bring the bass back to life. Just a guess.
 

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Discussion Starter · #3 ·
Yep, tried that. When I touch the cable to the back where it plugs in, it booms like crazy. But when I actually plug it in, I can hardly hear the bass at full volume.


Thank you for the reply
 

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If you moved to a room that is larger and/or not sealed and/or you have an open floor plan you will need much more sub to achieve the same results.


Or, like mentioned, your listening position could be in a dead spot.
 

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So the woofer is physically moving plenty during action scenes but it just doesn't sound loud enough? Like JPMST3 said, it could be because your new room is bigger and just requires a bigger subwoofer to get the kind of output you are use to or it could be the location like I mentioned in my first post.
 

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Quote:
Originally Posted by Shane R /forum/post/18211239


Yep, tried that. When I touch the cable to the back where it plugs in, it booms like crazy. But when I actually plug it in, I can hardly hear the bass at full volume.


Thank you for the reply

obviously something is wrong with the connection then lol
 

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Quote:
Originally Posted by Santapimp27 /forum/post/18211467


obviously something is wrong with the connection then lol

I think that is normal. I know when my sub is turned on and I unplug the RCA connection for sound and then plug it back into the sub there is a loud tone (I assume that is what he is describing).
 

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Discussion Starter · #8 ·

Quote:
Originally Posted by Frohlich /forum/post/18211496


I think that is normal. I know when my sub is turned on and I unplug the RCA connection for sound and then plug it back into the sub there is a loud tone (I assume that is what he is describing).

Correct, it did this at our last house and it worked.


I am not describing it correctly. The 5 other speakers sound normal, I get just a little bass out of the sub when turned up all the way, this room is actually smaller than the other. It has to be something in the settings but I just can't figure it out.
 

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Quote:
Originally Posted by Shane R /forum/post/18211759


Correct, it did this at our last house and it worked.


I am not describing it correctly. The 5 other speakers sound normal, I get just a little bass out of the sub when turned up all the way, this room is actually smaller than the other. It has to be something in the settings but I just can't figure it out.

Have you double checked the subwoofer settings in the Yamaha? Also please double check that you have the subwoofer cable plugged into the subwoofer output on the back of the Yamaha.
 

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Also double check the sub woofer setting itself (on the sub) and see if you have the crossover set to in on the sub and maybe the sub's crossover may also be set to say 30hz. I moved my sub once and accidentally hit a few switches which impacted the sound. Double check the setting and switches in back of the sub to make sure you did not do the same.
 

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Have you re-run YPAO after setting it up again??


Have you told the system that it has a sub??


Have you set the main and surround speakers to "small"??


Have you set bass management to "both"??
 

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Discussion Starter · #12 ·

Quote:
Originally Posted by cavu /forum/post/18211945


Have you re-run YPAO after setting it up again?? Yes


Have you told the system that it has a sub?? Not sure if I have to do that after running YPAO, if I do ned to, I don't know how.


Have you set the main and surround speakers to "small"?? Seen that in other threads about different receivers, but can't find it on the Yamaha


Have you set bass management to "both"??
Again, not sure where to find that

Thank you guys for the suggestions!!
 

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Quote:
Originally Posted by cavu /forum/post/18211945


Have you set the main and surround speakers to "small"??


Have you set bass management to "both"??



The "both" setting has no effect if the speakers are set to SMALL.
 

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What are your subwoofer settings?

Basic settings to start out with:

- Connect sub cable to LINE IN (Left/LFE)

- Switch to "ON" (for now and switch over to "Auto" later if perfer)

- Phase to "0"

- Volume to about 40% - 50%

- LowPass (Hz) to "ByPass"

Run "AUTO SETUP"

- set speakers to "Small" (page 86 in OM)

- set speaker crossover freq to "80Hz" (page 87 in OM)

- set LFE Signal Output to "SWFR" (page 85 in OM)

Play a disk that has good LFE
 

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Look in your owners manual to see how to set you speakers to small. A lot of automatic receiver calibration software will set your speaker to large. Speakers to small and sub to on. Also, as bunga said earlier, sub crossover on the back of the sub set to its maximum level. Double and triple check you connection is coming from the right output on the back of your receiver.
 

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You can find how to set the speakers on page 86 of the manual.
 

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have a klipsh 12 inch and had the same problem as you . when i touched the sub wire to the connection it would nake a loud booming sound but when i pushed the connection all the way in i got little to know sub boom at all.bought a subwire from monoprice for six dollars hooked it to the back of my reciever to the back of the sub turned the gain to 5 and the room was shaking watching a bluray movie. so i think you could use a new subwire
 

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Quote:
Originally Posted by shane r /forum/post/18212236

again, not sure where to find that

thank you guys for the suggestions!!

set menu --> manual setup --> (1) basic menu --> (a) speaker set
 
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