Official Power Sound Audio Subwoofer Thread - Page 464 - AVS Forum
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post #13891 of 13896 Old Today, 08:12 AM
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Originally Posted by Cyborg_Optoma View Post
Hi -

do you know how to perform the 8 point measurement using YPAO ?



complete HTS noob here.. can you please explain me how it is 16 db hot and what it means by that..the sound level has - and + values.. - does not mean going down? and moving towards + should be like increasing the sound level /output isn't it ? as the receiver volume starts from -80 db and goes till some + number probably +10 db.. didn't go to those values so not sure the + max value.. on the receiver...



when you says amp gain you mean the gain knob on the sub ? only have 1 sub for now.. I re ran the YPAO.. and please suggest me what you think.. with the new values... Thanks



Hi Alan -

Thanks for replying back..sorry I didn't catch it earlier and thought you were just asking for sound levels that YPAO sets for each speaker..

Yes it was late last night and I was not able to remember any particular photo sharing website.... and just googled for photo uploader and that stupid website came up last night... I am going to upload all the new files now on photobucket.. heck I actually had an account over there that I created long time back and forgot.. lol.. Please sort by oldest picture if it shows end photos first.. Thanks

anywayz coming back to serious topic..

Thanks for pointing out the stupid configuration I had in my HTS.. is using BI-AMP setting harmful to receiver or speakers or ears ? as I had set that instead of " Basic " which is one of the 3 options that the receiver provides.. Basic, Bi-Amp & Zone B.... I saw that when I switch to Bi-Amp the sound output from the Surround Back Speakers gets bumped up drastically .. but I think it hurts the LFE i.e., the subs output level... now I can see it.. when the towers sound goes up.. bass from sub is lowered...so that is the reason the high output from towers made me use that option for the "Power Amp Assign" option in the receiver configuration...

Now before running YPAO again I changed it to Basic, turned off "Adaptive DRC" and "Enhancer" off & EXTD... to off.. but yes I used them as they too used to bump up the sound output on my HTS..

Volume Trim :

Input Trim: +0.5 db
Subwoofer Trim: +0.5 db


Tone Control:

Treble: +0.5 db
Bass: +0.5 db


Quote"

I notice in your photos that YPAO set your sub trim at -10db. Is that the lower limit of adjustment on your AVR? If so, you need to turn down the gain on the sub and re-run YPAO until you get a sub trim level that is "in range".

I also noticed that you are using "PEQ" under Equalizer. Not sure how it works on your AVR, but on my Denon if I enable the graphic EQ it disables all the hard work my auto-eq program did. You might want to look at your manual to see.

"Quote Ends

To answer these questions... yes YPAO set the sub sound level to -10 db..( is this trim too or sound level ? then what is the Volume Trim in other Menu..) and -10 db is the max it can go to... I actually had the sub gain at close to 3 o clock.... so I moved it to 12 o clock before running the new YPAO..

The PEQ is by default... I didn't do anything there.. I was just showing you what option it had in the Equalizer.. I think it is also set by YPAO.



Ok now coming to the new YPAO settings.. Please see the attached photos for output... ( for some reason it set the surround backs to Large.. I changed them to Small )

after YPAO finished I saw most of the speakers sound level was set to negative value...it seems too harsh to me..and feels a little awkward/annoying to hear and seem harsh to ears and make me listen to anything at low volume... is this called reference kind of level ? if not what is the reference level.. usually referred everywhere.. Earlier I used to get good amount of sound output from speakers and sub.. at around - 50 db on receiver.. now I have to bump up the sound on receiver to -40 db to get good room filling sound.. but again then it seems too bright or harsh to ears..


now coming to SPL meter readings for this YPAO run... I saw the below values for each speaker..

SPL Meter was set at 75 db

Sound on Receiver at - 10 db ( Played Pink Noise of Receiver from each speaker )

FL outputs 67 db on SPL meter at this volume
FR outputs 66 db on SPL meter at this volume
center outputs 66 on SPL meter at this volume
Surround L outputs 65 on SPL meter at this volume
Surround R outputs 64 on SPL meter at this volume
Surround back L outputs 67 on SPL meter at this volume
Surrounnd back R outputs 67 on SPL meter at this volume
Sub outputs 67-68-69 on SPL meter at this volume

going by these values.. I believe I need to play with sound levels for each speaker to get them to match 75 db on SPL meter ? as the values that they are outputting is low..

I really want to change the sound levels for each speaker to meet the 75 mark on SPL.. meter.. but will wait for your reply..

Almost forgot to mention.. now I have set the sub gain at 2 o clock.. as I was barely hearing anything out of the sub.. at 12 o clock.. unless I bump up the receiver level.. and it is too bright/sharp for me now to hear at higher volumes..

Please let me know what needs to be done next by me.

Thanks appreciate your help to this noob..

PS: Thanks again for your inputs guys... and sorry for the lengthy posts here.. appreciate you guys patience and answers..
Cyborg - this is really getting way off-thread...I'm gonna take this to PM if you don't mind.

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post #13892 of 13896 Old Today, 08:25 AM
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Originally Posted by Kini62 View Post
It can be bought from crutchfield for $1899 with free shipping even to Hawaii.
So for about $900 more than a XS15se I can get the same performance. Awesome!
Well, to be fair they do go through a distribution network. Whether it is some a smaller outfit or a large chain...everyone will want their cut. The upside is you get to hear/see/touch the product before purchase and that is very important to some. The downside is, all things being equal, you will never see the best price/performance ratio.

Tom V.
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post #13893 of 13896 Old Today, 12:10 PM
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Originally Posted by Kini62 View Post
It can be bought from crutchfield for $1899 with free shipping even to Hawaii.
So for about $900 more than a XS15sev I can get the same performance. Awesome!


The E-112 is the first sub I've heard in demo which really blew me away. I've heard louder and deeper, but not cleaner, and certainly not without being much bigger. At $1900 it's pricy, but you do get some amazing technology. They cut zero corners.


That said, it's like this. If you just won the lottery, or if money is otherwise no object, go for the JL Audios. If not, get the PSA.
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post #13894 of 13896 Old Today, 12:32 PM - Thread Starter
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Originally Posted by ClawAndTalon View Post
The E-112 is the first sub I've heard in demo which really blew me away. I've heard louder and deeper, but not cleaner, and certainly not without being much bigger. At $1900 it's pricy, but you do get some amazing technology. They cut zero corners.


That said, it's like this. If you just won the lottery, or if money is otherwise no object, go for the JL Audios. If not, get the PSA.
Honestly if I won the lottery. I would be buying 4 PSA Triax..... or something of that level.

ShaunH
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post #13895 of 13896 Old Today, 12:41 PM
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Honestly if I won the lottery. I would be buying 4 PSA Triax..... or something of that level.


In that case you'd probably be comparing it to a JL Audio Gotham. It's just a ridiculous as a Triax.
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post #13896 of 13896 Old Today, 12:54 PM - Thread Starter
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Bummer my post got eaten by the Database error monster... so again...

While I find JL audio products beautifully crafted, and built with a great deal of care. I wouldn't recommend them unless someone had some issues that couldn't be overcome. For example, some people refuse to buy hifi products that can't see, touch and listen to first even if they could ship it back without a large fee. Or someone had WAF or placement issues (size constraints) then I would recommend JL. They're very good products and they are built in the USA which is always a plus.

I guess I just can't get over the price...

ShaunH
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Xs30 , Velodyne Sms 1 In Room Bass Correction Kit With Included Microphone , Denon Avr 3313ci Receiver , Denon Avr 4520ci Receiver , Power Sound Audio , Xv15 , Power Sound Audio Triax , Room Equilizer Wizard Rew , Denon Avr X4000 7 2 Channel Home Theater Receiver
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