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In Reply to: RE: BD player 7.1 analog out... posted by wheezer on November 19, 2009 at 16:38:44
Hi Mitch, according to the service manual for your AVR, the direct analog inputs do not use any DSP features...so I guess that means they're adjusted in the analog domain. (In fact, the direct analog inputs are used as part of a procedure to determine right at the start if you have a DSP/digital or analog problem.)
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I see it comes with a switching PS?
If not I have no problem being the first. :-))
I think Ayre is doing it?? I bet Modwright has thought of it, if not actually doing it...I don't seriously use the analog outputs, I'd be more concerned if I did. Not that I don't think a nice linear supply wouldn't help the digital stuff...we'll see how things go when my warranty is up. BTW, the BDP-83 made my BP AC supply make some strange noises...never encountered anything like it before...something "unusual" with Oppo's switching supply input??
Edit: found my file splitter, will email manual and program...
Edits: 11/22/09 11/22/09
Check you mains voltage.
Check for DC.
ANY audio/video device will benefit from a linear reg'd PS.
Why wait till the warranty is up. Just swap the DIY PS for the switcher.
The BDP-83 is already "good enough" for HDMI use as it is. I really don't see/hear any obvious flaws of its making, I mean of the type that annoy me. I am long past the point of looking for (my idea of) perfection. Manufacturers sell a new version of "perfection" every time they have a new model. I have settled for a version that means "pleasant enough", gives me a lot more time to use the damn gear :)The downside to not modding is I spend way more $$$ consuming media than I did when just dicking around with stuff. But when something needs attention to be acceptable to me, and already shows promise, then I'm game. For instance my HDMI pre-pro needs some attention...
Edit: hmmm, so you think the Oppo could be leaking some DC on the high side? You know, it did kind of sound like that... I have also heard a similar noise at somebody else's house when they had a switching supply that assymetrically loaded the transformers (I forget how). I have plugged tons of different stuff into my BP and never heard this before, I think the Oppo was only consuming 18W at the time. Anyway, it looks fine enough with regular power.
And again: you know that DAC we were talking about? Many people MUCH prefer it with a switching supply over linear or battery. I have one DAC that I can't stand the sound of it with battery power, I much prefer linear. So power preference does vary with circumstance. Geez, this thread is all over the place...
Edits: 11/22/09 11/22/09
I have several 12V Switchers, I should give them a try with the DDDAC.
I may put the single tower together tonight. Ya got my on a roll.:-)
The steroids do help:-)
Can the usb port be used for HDD playback into the BDP, for example, movies loaded on the HDD?
Not a dumb Q. Yes you can play back, but results depend how the content is containerised and formatted. Can only use FAT32 USB drive format also. Limitations for audio files too, like no WMA Pro etc.
Re the 520 manual: I don't know where to put it. Current ISP only allows 5MB upload space and manual is a lot bigger. Are you sure you don't have it somewhere? You did once, we were discussing something in it before you bought...I got this off a PC I used "two ago" (didn't salvage anything off last PC)...think around 2001/2 if you keep old PCs.
I have the owner's manual; not the SM.:-(
Craig hi,
So, that means I would go straight mch out from the Oppo to the HK520 analog input, regardless of DVD or BD?
Amazing, all my questions and an education on DVD and BDP in one thread.
Also, I've been beating my head trying to get my mac mini 1.66 core duo, to play DVD's and it just can't handle it. Jumpy picture; with some add-ons and tweaks it's gotten to look like streaming video, and won't fill the screen unless I go VGA, which ain't all that great.
Will the Oppo do 24P, 30P etc?
Set screen sizes to fit or something like that without overscan?
I know you have one, which means it's fine for me. Just need the funds.
Thank you,
Regards,
Mitch
When I said "direct analog inputs" above, I meant the mch ones that HK calls "Direct"...just to clarify what I said in case you thought it meant ALL analog inputs.Yes re the scope etc.; that is in fact how the initial test in the SM I mentioned is outlined. They suggest a 0dB input (~0.775V IIRC)and hooking the scope on the speaker outputs (no speakers), volume at -25 to -40 typical.
Yes you'd hook the mch player outputs to the "direct" AVR inputs. Bass management is done in the player, so nice to get one with a few options there if possible.
I got the Oppo BDP-83 mainly for DVD. Everything else it doesn't do any better than other players I have [edit: correction, the 83 upscales non-1080p BD content, which my PS3 doesn't do, so that's "better"...you referred to non-1080p BD content elsewhere]. Via HDMI I mean. It's 2ch analog output is better than my other BD/DVD players, but isn't that great IMO...usable, and I rarely use the analog outs anyway. Yes, it does 24fps for film (BD or DVD) if desired, and 30fps for video.
Edit: I have very little experience using mch analog outputs. I did use them with a Panny DVDP I had, for DVD-A, but don't remember it much. I am pretty sure the Oppo mch outputs would be plenty fine for movies...
Edits: 11/22/09 11/22/09
Yes re the scope etc.; that is in fact how the initial test in the SM I mentioned is outlined. They suggest a 0dB input (~0.775V IIRC)and hooking the scope on the speaker outputs (no speakers), volume at -25 to -40 typical.
Do you have that section of the SM?
I assume the typical sweep method, 8ohm R across the speaker outs.
Crank up the sig. gen to 1KHz. and one should get the same 1KHz/ 0.775V or -3db out?
Or, would that be at the Pre-outs?
BTW, I've not used the internal amps in years. fronts get tubes.
Rears and center get the Rotel RB930ax, highly modified by, yours truly and kicks ass over the internal amps.
I've thought about upgrdes to the HK 520, PS caps and Schottky's but they appear to a royal PITFA to gain access.
They don't mention output levels nor input frequency, 1kHz sounds good. Yes you can measure at preamp outputs (though this is the 520 manual, this section seems written for some models that may not have pre outs) instead of (unloaded) speaker outputs.
These manuals used to be on the HK site. Maybe look around elsewhere. I downloaded this one years ago when you were thinking of getting the 520...it's not like I have one. LOL. Now I have no way to get it to you because I can't email such large docs anymore.
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