"The" Onkyo TX-SR805 Thread - Page 771 - AVS Forum
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post #23101 of 23116 Old 11-14-2014, 04:00 PM
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Originally Posted by NorthSky View Post
1. On the front panel of your 805, behind the door, when using the HDMI connections, set the [HDMI Out] button (HDMI Monitor) to 'Yes'. ...By pressing it repeatedly. .... (Page 47 in your 805's manual).

2. Check page 28 in your manual: Video Connection Formats --> For optimal video performance, THX recommends ...

3. Set the Immediate Display (OSD Setup) to 'Off' (page 97).

4. a) Set the Control (for CEC HDMI) to 'Disable' (page 99).
b) Set the Power Control (CEC RIHD-compatibility) to 'Disable' (page 99).
c) Set the TV Control (RIHD-compatible TV) to 'Disable' (page 100).

5. Set the HDMI Audio to 'Off' (page 99).

____________________

<<<>>> If using the 828 as your main pre/pro, then yes, use the 805 to power your most demanding speakers, even all seven of them. The 805 is fantastic in total power when driving all seven channels simultaneously. ...120 watts+. ...Check in your 828's manual on how to make the proper connections when adding external amplification, like you will do here from your 805.

Don't, ever, in any circumstances, Bi-amp your two main front speakers (page 23).
{With any receiver, not just the 805.}

♦ Set the Speaker Impedance to '6ohms'. ...Always (page 45).

♦ Set the Speakers Type to 'Normal' (page 45).

*** => Keep external fans on top of both your 805 and 828 receivers. This is an Onkyo's requirement, no matter what.
Curious, why not bi-amp the front? Please be specific as possible?
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post #23102 of 23116 Old 11-14-2014, 04:03 PM
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I have a chance to pick up the Onkyo 905 for $300 and the 805 for $275. The 805 was just serviced vs no service for the 905. Which one should I pick?

Thanks,
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post #23103 of 23116 Old 11-14-2014, 04:05 PM
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Originally Posted by NorthSky View Post
Bi-Amping: Page 23 in your Onkyo 805's instruction manual.

* Your Polk RTi12s; what are there true measured impedance, from a graphic chart? ...20Hz to 20 kHz.
...And their true measured sensitivity (in-room response)? ...And their power response?
...And their total harmonic distortion over the full audio spectrum? ...In corresponding to their power response.

I am not a Polk speaker expert, I just know that some
of their models require ample power to make them sing properly.
...Just like some Paradigm speaker models...eg.; the Paradigm Reference Studio 100s.
And I would never bi-amp my Studio 100s with my Onkyo 805, never! ...But I would add another external amp to do so, for the low frequencies, and use my 805 to power the higher frequencies. ...The Studio 100s are simply power hungry. ...They want a lot of current to play sweet music in someone's room. ...400+ watts, no sweat.

The Onkyo, as good and powerful as it is, is still only a receiver with only two primary caps rated @ 15,000uF each (71 Volts I believe ... Yes 71 Volts, I just checked.).
I actually do not know the impedance curves for the RTi12s. I read them once but decided the worst thing that could occur was that a fire started in my AV room = a new AV room = no downside
But seriously, I have had speakers rated at 4ohms and never broke a sweat with any amp I've owned. The only thing I ever burned out was a Polk (BTW: not married to Polk, just coincidence) sub the first time I played the FotR extended version when Sauron explodes after Isildur cuts off the Ring. I just decided that I had the extra amps so I'd give the speakers what I could... so far, so good (and believe me, I'm still knocking on wood as I type this).

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post #23104 of 23116 Old 11-14-2014, 04:07 PM
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Originally Posted by cobr View Post
I have a chance to pick up the Onkyo 905 for $300 and the 805 for $275. The 805 was just serviced vs no service for the 905. Which one should I pick?

Thanks,
What service???

905 for $25 more... If the 905 works, get it. If not, get the 805.

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post #23105 of 23116 Old 11-14-2014, 04:11 PM
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Originally Posted by grubavs View Post
What service???

905 for $25 more... If the 905 works, get it. If not, get the 805.
I've been told the 805 was checked by a local electronics repair shop (backed by a receipt mainly replaced caps and cleaning).

So 905 then. Thank you.
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post #23106 of 23116 Old 11-14-2014, 04:16 PM
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Originally Posted by cobr View Post
I've been told the 805 was checked by a local electronics repair shop (backed by a receipt mainly replaced caps and cleaning).

So 905 then. Thank you.
I think you should wait for a couple more inputs from other posters before making the decision (unless there's a chance you'd miss both deals)... I'm just saying I'd go for the 905 in that situation, as long as the 905 is operating according to Onkyo specs.

Regardless of which you get, be sure to read both threads about use and especially extra cooling fans on the case.

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post #23107 of 23116 Old 11-14-2014, 04:17 PM
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Curious, why not bi-amp the front? Please be specific as possible?
♦ Just read few posts back, and check page 23 in your 805's manual. ...You might be fine to do it,
but then you might not.

Quote:
I actually do not know the impedance curves for the RTi12s. I read them once but decided the worst thing that could occur was that a fire started in my AV room = a new AV room = no downside
But seriously, I have had speakers rated at 4ohms and never broke a sweat with any amp I've owned. The only thing I ever burned out was a Polk (BTW: not married to Polk, just coincidence) sub the first time I played the FotR extended version when Sauron explodes after Isildur cuts off the Ring. I just decided that I had the extra amps so I'd give the speakers what I could... so far, so good (and believe me, I'm still knocking on wood as I type this).
♦ I applaud your "no-afraid" approach and your risk level. ...And your sense of humor too.
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post #23108 of 23116 Old 11-14-2014, 04:21 PM
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Originally Posted by cobr View Post
I have a chance to pick up the Onkyo 905 for $300 and the 805 for $275. The 805 was just serviced vs no service for the 905. Which one should I pick?

Thanks,
If you get a warranty with it, fine. ...If not forget it. ...Say 90 days.
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post #23109 of 23116 Old 11-14-2014, 04:27 PM
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Originally Posted by NorthSky View Post
If you get a warranty with it, fine. ...If not forget it. ...Say 90 days.
No warranty. I really like older receivers with beefy power supply but don't want to risk my $300
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post #23110 of 23116 Old 11-14-2014, 04:33 PM
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If you don't want to risk your money, then you'd be better off staying far FAR away from Onkyo.
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post #23111 of 23116 Old 11-14-2014, 05:55 PM
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^I think $300 is a fair deal on and 805/905, but not really a steal (based on current resale values)...
it certainly IS worth that much generally speaking.
It's kind of a tough call though, because for current owners, we know how good the 805 is and if there is no NEED
to upgrade for additional features, you won't find any better AVR with the features the 805 does have.
On the other hand, if you are looking for a new avr and can actually spend more than $300,
you may be better off putting that $300 toward something new that comes with a full warranty in case something happens to it.
It would be a shame if you spent the money on a used one, and then it went belly-up in 3 months.
Current owners don't have that issue since they already own it... if it keeps going, great...
but if it breaks, we may say we got our moneys worth out of it.
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post #23112 of 23116 Old 11-14-2014, 06:06 PM
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Originally Posted by Smarty-pants View Post
^I think $300 is a fair deal on and 805/905, but not really a steal (based on current resale values)...
it certainly IS worth that much generally speaking.
It's kind of a tough call though, because for current owners, we know how good the 805 is and if there is no NEED
to upgrade for additional features, you won't find any better AVR with the features the 805 does have.
On the other hand, if you are looking for a new avr and can actually spend more than $300,
you may be better off putting that $300 toward something new that comes with a full warranty in case something happens to it.
It would be a shame if you spent the money on a used one, and then it went belly-up in 3 months.
Current owners don't have that issue since they already own it... if it keeps going, great...
but if it breaks, we may say we got our moneys worth out of it.
Thanks for this! Just also read the Pioneer B-Stock available thread and scratch my head now!
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post #23113 of 23116 Old 11-14-2014, 06:19 PM
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Originally Posted by cobr View Post
No warranty. I really like older receivers with beefy power supply but don't want to risk my $300
Some older Sansui and Pioneer and Marantz and Kenwood stereo receivers would fit the bill.
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post #23114 of 23116 Old 11-16-2014, 12:26 PM
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Originally Posted by NorthSky View Post
Some older Sansui and Pioneer and Marantz and Kenwood stereo receivers would fit the bill.
So I scored the 905 with six month warranty from a local repair shop for $280. So far so good. It's got the firmware version 1.08 and dsp 2223a.

Thanks everyone.
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post #23115 of 23116 Old 11-17-2014, 08:59 AM
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Originally Posted by cobr View Post
So I scored the 905 with six month warranty from a local repair shop for $280. So far so good. It's got the firmware version 1.08 and dsp 2223a.

Thanks everyone.
IMHO, that was the call to make... congrats

p.s., don't forget the fans!
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post #23116 of 23116 Old 11-17-2014, 07:28 PM
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Originally Posted by cobr View Post
So I scored the 905 with six month warranty from a local repair shop for $280. So far so good. It's got the firmware version 1.08 and dsp 2223a.

Thanks everyone.
That is awesome man! ...You can't ask any better than that; crank it up!
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