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SACD and AVR overload??

post #1 of 12
4/29/12 at 9:25am
Thread Starter 
Quick question...

I recently bought a couple of SACDs to try them out in my new Oppo 93.

I have the Oppo hooked up via MChAnalog to a Denon 5803... not 5308.

Never had a problem cranking up the AVR to reference and beyond with BD, CD etc. including 7-Ch stereo mode.

I noticed briefly yesterday that the AVR was reading "overload" for a couple of seconds. It was set to -35 while listening to one of the SACDs. Not taxing by any means.

Is there something different about SACD that would cause overload?

Never seen this before.

Thx.
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post #2 of 12
4/29/12 at 9:54am
Quote:
Originally Posted by ADDUpstate View Post

Quick question...

I recently bought a couple of SACDs to try them out in my new Oppo 93.

I have the Oppo hooked up via MChAnalog to a Denon 5803... not 5308.

Never had a problem cranking up the AVR to reference and beyond with BD, CD etc. including 7-Ch stereo mode.

I noticed briefly yesterday that the AVR was reading "overload" for a couple of seconds. It was set to -35 while listening to one of the SACDs. Not taxing by any means.

Is there something different about SACD that would cause overload?

Never seen this before.

Thx.

I have an Integra DTR 40.2 and just bought a Sony S-590 Blu Ray player with SACD. I played my only (for now) SACD Pink Floyds Dark Side Of The Moon and had no issues with overload. Is there any adjustments in the Oppo or the Denon you might have missed?

Jeff
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post #3 of 12
4/29/12 at 10:10am
Are you sure you don't have some bare speaker wires touching somewhere?
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post #4 of 12
4/29/12 at 10:10am
Thread Starter 
Don't think so, as its the same player I've been using for Bd and CD with no problems...

Btw, Wish you were here on sacd is awesome!.
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post #5 of 12
4/29/12 at 10:50am
Quote:
Originally Posted by ADDUpstate View Post

Quick question...

I recently bought a couple of SACDs to try them out in my new Oppo 93.

I have the Oppo hooked up via MChAnalog to a Denon 5803... not 5308.

Never had a problem cranking up the AVR to reference and beyond with BD, CD etc. including 7-Ch stereo mode.

I noticed briefly yesterday that the AVR was reading "overload" for a couple of seconds. It was set to -35 while listening to one of the SACDs. Not taxing by any means.

Is there something different about SACD that would cause overload?

Never seen this before.

Thx.

Did you set all the speaker levels in the Speaker Configuration portion of the Audio Processing Setup menu? If not maybe the levels are too high which is probably not it but worth looking at. Do you have your speakers set to Large or Small? How about the Down Mix setting? I have never had any issues playing SACDs with my 83SE to my Onkyo 886 using the 5.1 analog input. My guess which has been mentioned is that it could be a setting with the 5803 or the 93 (or both) that is not set correctly.

Bill
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post #6 of 12
4/29/12 at 11:03am
My first thought is the overload indicator is saying the signal from the Oppo is to high. After a quick web such I found this;

from denon site:

18) I OCCASIONALLY SEE AN "OVERLOAD" INDICATOR ON THE FRONT PANEL DISPLAY. IS THIS THE SAME AS "PROTECTION"?

No it isn’t. Some Denon components have a front panel "Overload" indicator that tells you when you need to decrease the sensitivity of a particular analog input. Simply follow the directions under "Analog Input Level" to assure distortion-free operation that won’t continuously trigger the "Overload" indicator.

hope this helps
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post #7 of 12
4/29/12 at 11:46am
The 'DAC OVERLOAD' indicator will flash on the display of my JBL AV-1 processor when I'm over-working its' DACs while playing certain SACD disks through my Oppo BDP-95 (EC's "461 Ocean Boulevard" comes to mind). I am able to adjust the level of the incoming signal for the '5.1 Analog By-pass' on the JBL though, solving the problem. Maybe this is some help. . .
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post #8 of 12
4/29/12 at 11:53am
If I recall correctly, the Denon 5803/A provides the option to digitize the multichannel analog inputs. As such, the "Overload" message likely indicates that the analog input signal level is too high and is digital clipping in the ADCs.

AJ
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post #9 of 12
4/29/12 at 11:57am
Quote:
Originally Posted by EnjoyingMyRide View Post

The 'DAC OVERLOAD' indicator will flash on the display of my JBL AV-1 processor when I'm over-working its' DACs while playing certain SACD disks through my Oppo BDP-95 (EC's "461 Ocean Boulevard" comes to mind). I am able to adjust the level of the incoming signal for the '5.1 Analog By-pass' on the JBL though, solving the problem. Maybe this is some help. . .

If you have the pre-pro set to analog bypass, then the signal remains analog and is not passing through the DACs in the pre-pro. Furthermore, I believe the AV1 (clone of the Lexicon MC-4) cannot digitize analog multichannel inputs.

AJ
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post #10 of 12
4/29/12 at 12:43pm
Yes, you are correct, my bad. I am not sure what I was thinking about, the signal never leaves the analog domain. Can I have a do over?
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post #11 of 12
4/29/12 at 3:50pm
Thread Starter 
Quote:
Originally Posted by WiWavelength View Post

If I recall correctly, the Denon 5803/A provides the option to digitize the multichannel analog inputs. As such, the "Overload" message likely indicates that the analog input signal level is too high and is digital clipping in the ADCs.

AJ


Winna Winna Chicken Dinna!

I tried searching a digital version of the manual, and found nothing with "overload". With your suggestion I searched the manual, umm, manually in the MultiCh Setup section and found it. It is under "Over Load", and specifically addresses the input level.

So it's set at -0- now... how much would you think I should start to lower it? (It goes from 0 to -20) And then I need to reset all the channel levels, correct?

Also, I think I have the subwoofer analog input at +10db. (Not the SW level trim in the speaker section) I read somewhere that the analog signals require +10 on the input for the sub, but should I readdress that to +5 or -0-?

I haven't noticed any "overload" with the same setup using BD or CDs. Do SACDs inherently produce a "hotter" signal due to increased data? If so, if I drop the analog input level in the setup, are my BDs and CDs going to be softer?

Consequently, should I just leave it alone and deal with it on my limited SACDs vs. many more BDs?

Thanks.
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post #12 of 12
4/30/12 at 5:31pm
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