How does my Onkyo TX-SR805 Stack Up To Today's AV Receivers? - AVS Forum
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post #1 of 12 Old 11-21-2013, 07:39 PM - Thread Starter
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I'm getting the upgrade itch and was curious from a sound quality standpoint how it compares to newer models, as I don't really care that much about all the bells and whistles like fancy GUIs, applications like Spotify/Pandora ect.., DNLA, stuff that these companies seem to be adding. I don't need new HDMI ports for 3D or 4K because I use an HTCP and send only audio to the receiver via it's own HDMI cable. How would my receiver sound compared to something like a Marantz SR7007, which I've read some really good things about?

I'm using JTR Triple 8's with the Onkyo TX-SR805 currently and while I enjoy the sound, I'm just curious if I'm missing out on anything? From how I understand it my Onkyo uses nice high quality Burr Brown DACs and some decent DSP to achieve good quality audio. The amp section Onkyo uses is pretty beefy from what I've read too for it's price point. From a strict sound quality standpoint is it worth considering a new AV receiver in the $2000 MSRP and under price bracket?

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post #2 of 12 Old 11-21-2013, 07:43 PM
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Not really. The only things to be gained are xt32 audyssey and 3d. The amp section in the 805 is more powerful then a lot of the newer onkyos as well.
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post #3 of 12 Old 11-21-2013, 10:48 PM
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Definitely when going to a model with Audyssey MultEQ XT32 (eg. Onkyo 929/1010, Denon X4000/4520CI).

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post #4 of 12 Old 11-22-2013, 02:18 AM
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My 805 is now six years old and I have no desire to upgrade, especially with an HTPC that gives it all of the capabilities of any new network AVR (and more). Recently I've been shopping for a new receiver for my bedroom system (to replace a 12 year old Marantz SR-5200) and am appalled at all of the fly-weight receivers available today even at price points above the 805. The 805 weighs 51 lbs, my old Maratntz 5200 is 30-something lbs, and all of the new receivers I've been looking at are barely 20 lbs. I'm not saying weight alone determines amp quality but it is still a good indicator.
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post #5 of 12 Old 11-22-2013, 02:42 AM
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With 8-ohm and efficient speakers 87db+, shouldn't really be a concern but with the Op's 4-ohm speakers at reference level volume could be an issue if the AVR is not rated for 4-ohm speakers as is the case with the 929/1010 and 4520CI.

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post #6 of 12 Old 11-22-2013, 05:57 AM
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Quote:
Originally Posted by Seegs108 View Post

I'm getting the upgrade itch and was curious from a sound quality standpoint how it compares to newer models, as I don't really care that much about all the bells and whistles like fancy GUIs, applications like Spotify/Pandora ect.., DNLA, stuff that these companies seem to be adding. I don't need new HDMI ports for 3D or 4K because I use an HTCP and send only audio to the receiver via it's own HDMI cable. How would my receiver sound compared to something like a Marantz SR7007, which I've read some really good things about?

I'm using JTR Triple 8's with the Onkyo TX-SR805 currently and while I enjoy the sound, I'm just curious if I'm missing out on anything? From how I understand it my Onkyo uses nice high quality Burr Brown DACs and some decent DSP to achieve good quality audio. The amp section Onkyo uses is pretty beefy from what I've read too for it's price point. From a strict sound quality standpoint is it worth considering a new AV receiver in the $2000 MSRP and under price bracket?

I missed that you are running t8s on it. Invest in a nice standalone amplifier and use the 805 as a preamp. To wake those speakers up, you'll need a heck of a lot more power!
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post #7 of 12 Old 11-22-2013, 08:00 AM - Thread Starter
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I was under the impression that they were ridiculously easy to drive and that you don't need anything powerful.

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post #8 of 12 Old 11-22-2013, 08:21 AM
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Quote:
Originally Posted by Slosh View Post

) and am appalled at all of the fly-weight receivers available today even at price points above the 805. The 805 weighs 51 lbs, my old Maratntz 5200 is 30-something lbs, and all of the new receivers I've been looking at are barely 20 lbs.

Some place along the way many engineers discovered that we listen to music, not pure sine waves on test benches. Music signals are decidedly different from the usual test tones used to test amplifiers by the magazines. They differ in a technical factor called "crest factor" which strongly relates to power supply size and weight. Sine waves on the test bench have a crest factor of 3 dB. Music has a crest factor
from an absolute worst case of 6 dB to 20 dB or more. The worst case crest factor for music still justifies a power supply that weighs half as much, and it only gets better as the crest factor increases to more realistic numbers.

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I'm not saying weight alone determines amp quality but it is still a good indicator.

Not so much! ;-)
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post #9 of 12 Old 11-22-2013, 08:25 AM
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Quote:
Originally Posted by Seegs108 View Post

I was under the impression that they were ridiculously easy to drive and that you don't need anything powerful.

Yes, with 98 dB sensitivity they can get by with 8 dB or 7 times less power than the average HT loudspeaker.

http://jtrspeakers.com/home-audio/triple-8ht/

Unless their owners are into sonic ear-reaming, and/or are trying to cover 300 or more seats, a 100 wpc AVR should be vast overkill.
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post #10 of 12 Old 11-22-2013, 09:50 AM
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Quote:
Originally Posted by Seegs108 View Post

I was under the impression that they were ridiculously easy to drive and that you don't need anything powerful.

I'm sure you can get them loud, you won't reach their full potential though.
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post #11 of 12 Old 11-22-2013, 10:50 AM
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Quote:
Originally Posted by stormwind13 View Post

I'm sure you can get them loud, you won't reach their full potential though.

So if they will get louder than you would ever want to listen to movies in terms of spl, on receiver power, then how would adding an amplifier be needed? It's not like amplifiers are going to change the sound quality, they just have the added benefit of giving you higher volume, ie...spl.
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post #12 of 12 Old 11-22-2013, 11:52 AM
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What's the point in owning a speaker that can take 1500 watts if you are only gonna give it 100! It's like buying a 1080p projector and sending it an analog signal.
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