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Doubt with Onkyo HT-S9400THX


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#1 of 12 Chafer

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Posted May 30 2013 - 05:35 PM

Hi !

 

I want to buy the Onkyo HT-S9400THX and add a subwoofer unit. 

 

Questions:

 

1- can I add one subwoofer without make any adaptations of something like that?

2- I was thinking in 2 subwoofers: Polk Audio PSW10  and Onkyo SKW-204. They are good? Can I just buy one and connect it  in the S9400THX receiver?

 

Thank You!



#2 of 12 schan1269

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Posted May 30 2013 - 06:49 PM

You aren't going to use the sub it comes with?

#3 of 12 Chafer

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Posted May 30 2013 - 06:52 PM

Yes, I will, but I was wondering in add one more, to make a 7.2 system.



#4 of 12 schan1269

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Posted May 30 2013 - 06:54 PM

You can do that to any AVR. Y splitters are $1.

#5 of 12 Chafer

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Posted May 30 2013 - 08:51 PM

I just need to plug the both subwoofers in a spliter and all will be ok?



#6 of 12 Jason Charlton

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Posted May 31 2013 - 06:15 AM

Simply adding another subwoofer to a system doesn't always make it better.  In fact, adding two different subwoofer models (which each have their own frequency responses) with the intention of using them to "double up" the same LFE signal will often create a worse sonic situation.

 

The facts of the matter are these:

  • Even though the 9400 is about the best "all-in-one" system out there, the speakers and the subwoofer are still the weak link.
  • The Polk subwoofer is an average performer.  For the same ~$100 you can do better.
  • From the sounds of it, you haven't even purchased the 9400 system yet, so how do you even know that the stock subwoofer won't suffice in your room?

I would suggest holding off on getting another subwoofer - at least until after you have a chance to listen to the 9400 system in your room so that you can definitively answer the question "What needs to improve with this system?"

 

A smarter way to use two different subwoofers is to use one as a "mid bass module" that handles "upper" lower frequencies - basically helps bridge the gap between a "real" subwoofer and your mains.  The stock 9400 subwoofer would suit this need just fine.  Use the second subwoofer to handle the REAL lower end stuff.  For this, though, you need a GOOD subwoofer for the low stuff.  The Polk won't cut it.

 

Get the 9400 system, see how it works for you.  If you still feel you're missing some low end, come back with a budget (hopefully $200 or more) and we can point you to a solid performing subwoofer that will truly enhance your system.


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#7 of 12 Chafer

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Posted May 31 2013 - 07:15 AM

Ok, Jason. Thank you for the answer. I live in another country. I was thinking in get both products on my next trip to the US, just to bring them together. Here in my country, just the Onkyo 9400 costs about US$2700. 



#8 of 12 schan1269

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Posted May 31 2013 - 08:40 AM

Are you NTSC?

#9 of 12 Chafer

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Posted May 31 2013 - 10:02 PM

I am sorry? I did not understood your question, schan1269



#10 of 12 schan1269

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Posted June 01 2013 - 05:10 AM

NTSC or PAL?

#11 of 12 Chafer

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Posted June 01 2013 - 10:54 AM

NTSC



#12 of 12 DarkWilSin

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Posted June 05 2013 - 10:10 PM

I have the Onkyo 9400 and um the subwoofer is GREAT! i have it on THX standard in the nob on the back and everything is booming you can go alot higher. the subwoofer is fine. but you might want to invest in some speakers even so they are ok but i would get better speakers the subwoofer is fine trust me.






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