Official OPPO BDP-83 Owner's Thread [technical talk only] - Page 474 - AVS Forum
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post #14191 of 39367 Old 06-12-2009, 11:40 AM
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Followed all the instructions for installing the new beta. All went well. It fixed the problem with the "Elvis 30 #1 Hits" DVD-A, and also the audio drop on Track 5 on the Brothers in Arms DVD-A. However, BIA still locks up the player at the end of the last track, requiring a power off - a very small deal hardly worth mentioning. SACD seems fine, but then I never did have a problem with the "Rice Krispies" sounds (PCM 5.1 analog out to my Yamaha 5460).

John DeG
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post #14192 of 39367 Old 06-12-2009, 11:43 AM - Thread Starter
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The subwoofer output will always be -10dB over multi-channel analog regardless of bass management. For this reason, a +10dB boost is all that is needed no matter your speaker configurations on the player.

Most receivers will have an Analog Subwoofer boost. You should use this whenever possible.
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post #14193 of 39367 Old 06-12-2009, 11:43 AM
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Quote:
Originally Posted by BIslander View Post

Thanks. But, that's not bass management "by the book" and it's not the way players usually work. Is the 10db explanation from Oppo CS written down somewhere - a manual, support note, or email? Or, is it the result of a phone conversation?

In my case, using a RS meter and test tones I get equality of levels (as others here have) by adjusting my subs to the correct level for analog pass-thru. With my equipment there is a 15db difference.
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post #14194 of 39367 Old 06-12-2009, 11:47 AM
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Quote:
Originally Posted by bori View Post

Where's the best place to buy DVD audio disc's?

I like CD Universe:
http://www.cduniverse.com/
Here is another:
http://www.importcds.com/

I have actually found some good deals at Buy.com. Amazon has a bunch of SACDs/DVD-As, they don't always have the best prices though.

Edit: Just noticed you specified DVD-A, I think CD Universe and Import CD both have decent DVD-A offerings.
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post #14195 of 39367 Old 06-12-2009, 11:55 AM
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Quote:
Originally Posted by BIslander View Post

Thanks. But, that's not bass management "by the book" and it's not the way players usually work. Is the 10db explanation from Oppo CS written down somewhere - a manual, support note, or email? Or, is it the result of a phone conversation?

It has been in more than one email from Oppo Digital tech support. I believe the actual text has been copy/paste a couple of times.
But here it is again:


The subwoofer should be -10dB through the subwoofer interface for all content sources. So a universal +10dB boost on your receiver should produce proper levels across all media formats.

Best Regards,

Customer Service
OPPO Digital, Inc.
2629B Terminal Blvd.
Mountain View, CA 94043
Service@oppodigital.com
Tel: 650-961-1118
Fax: 650-961-1119


It does leave out the concern over +15db for redirected bass.

Another related issue is boosting (or reducing) any speaker level in the Oppo player. (Done by some because their receiver or processor does not provide trim of analog inputs)


You will run into digital truncation issues when the volume on the player has been set to anything lower than 80/100. Ideally you would want to leave the volume and channel trims on the player at default and do all adjustments through your receiver.

Best Regards,

Customer Service
OPPO Digital, Inc.
2629B Terminal Blvd.
Mountain View, CA 94043
Service@oppodigital.com
Tel: 650-961-1118
Fax: 650-961-1119



You are correct, neither issue is discussed in the manual.

In practice I found I can get an SPL reading of around 80db with the all the speaker levels close to '0' in the Oppo. But still have to boost the sub out some 3db for sufficient bass. It's either that, or change the level at my sub and back again manually, for digital sources.
My receiver does have the +10db setting for analog mch.
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post #14196 of 39367 Old 06-12-2009, 11:58 AM
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Quote:
Originally Posted by Neuromancer View Post

The subwoofer output will always be -10dB over multi-channel analog regardless of bass management. For this reason, a +10dB boost is all that is needed no matter your speaker configurations on the player.

Most receivers will have an Analog Subwoofer boost. You should use this whenever possible.

So, what happens during extremely loud portions of a soundtrack when LFE alone is at the maximum capacity of the channel. Won't the addition of redirected bass create an overload?

It is my understanding that proper bass management lowers the sub output another 5db to create the needed headroom for redirected bass. Are you saying that Oppo doesn't do that? (This is different from the fixed 10db gap between LFE and redirected bass in the SW channel itself.)
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post #14197 of 39367 Old 06-12-2009, 12:09 PM
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Quote:
Originally Posted by videoaddikt View Post

It has been in more than one email from Oppo Digital tech support. I believe the actual text has been copy/paste a couple of times.
But here it is again:

The subwoofer should be -10dB through the subwoofer interface for all content sources. So a universal +10dB boost on your receiver should produce proper levels across all media formats.

Best Regards,

Customer Service
OPPO Digital, Inc.

Was this in answer to questions re: bass managed outputs? Or, is it an answer to questions about whether there are differences for analog output with BD, SACD, and, DVD-Audio?

Quote:


In practice I found I can get an SPL reading of around 80db with the all the speaker levels close to '0' in the Oppo. But still have to boost the sub out some 3db for sufficient bass. It's either that, or change the level at my sub and back again manually, for digital sources.
My receiver does have the +10db setting for analog mch.

If you are bass managing in the player, that experience would suggest that it's lowering the SW output more than 10db.

Regardless, here's another approach you might try so that you don't have to change the volume on the sub everytime you change sources. If you can lower the digital SW output in your processor w/o affecting analog, then you can turn up sub for analog and recalibrate for digital with the sub at its new, higher output level. Essentially, you'll just need to lower the SW digital output by 3db.
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post #14198 of 39367 Old 06-12-2009, 12:48 PM
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Well I just installed the latest beta firmware and re-tested my AVCHD home movie disc. Before the update I was experiencing numerous audio dropouts.

The disc now plays perfectly. Well done, Oppo!
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post #14199 of 39367 Old 06-12-2009, 12:50 PM
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Quote:
Originally Posted by BIslander View Post

Was this in answer to questions re: bass managed outputs? Or, is it an answer to questions about whether there are differences for analog output with BD, SACD, and, DVD-Audio?

The 2nd part: differences between media.

Quote:
Originally Posted by BIslander View Post

Regardless, here's another approach you might try so that you don't have to change the volume on the sub everytime you change sources. If you can lower the digital SW output in your processor w/o affecting analog, then you can turn up sub for analog and recalibrate for digital with the sub at its new, higher output level. Essentially, you'll just need to lower the SW digital output by 3db.

Thanks for the suggestion! I will play with it, but if I recall correctly, any change in done to trims in the 'receiver' will affect everything, analog & digital.
I may have to live with the slight boost in the Oppo BM.
Of course, another option would be something to give more gain on the analog sub input to the receiver.
Adversely, I've even considered in-line attenuation on the other analog inputs.
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post #14200 of 39367 Old 06-12-2009, 01:01 PM
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Quote:
Originally Posted by dsok View Post

With new FW selecting MC for SACD playback , I can no longer switch to stereo via the remote. If I select Stereo in the set-up, I can switch to MC with the remote, but not back to stereo. Wonder what happened...

I have it set to MC in the setup and had no problem using the Audio button on the remote to switch back and forth to stereo output. I haven't tried setting the default to stereo and then switching back and forth but can try that later tonight to confirm. Don't know if it matters but I am using MC analog output.

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post #14201 of 39367 Old 06-12-2009, 01:25 PM
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Quote:
Originally Posted by jszei View Post

Why is 1080p/24 OFF for SD DVD the proper output for the 141?
I have a 141 as well and have not experienced a problem with SD DVD and 24 ON.

I am not sure if /24=off is the "proper" setting. it's what I use... YMMV.

It's not so much a -141 issue as it is a DVD issue. I haven't found /24 to make all that much of a difference with DVD's. Some DVD's are improved significantly by using /24 (vast minority), some look marginally better with it on, however, the downside is when you find one that does not like /24... it looks really bad! Most DVD's that I have played fall into that middle category - where it really doesn't make that big of a difference. I just leave it off.

Quote:


On a side note -
I know that "ideal" settings are often subjective or based on attached components but common conclusions can also be found. Has anyone put together a list of BDP-83 optimal settings, meaning settings that produce the best picture and audio?

I'd be surprised if I don't find a reply after mine that refers you to the FAQ, in post #1 of this thread

-steve
My HT Setup - updated 12/25/2012
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post #14202 of 39367 Old 06-12-2009, 01:30 PM
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Via HDMI, SACD playback still works as before. I default to MC for SACD playback, and I can still change to Stereo via the remote...
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post #14203 of 39367 Old 06-12-2009, 01:31 PM
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I just found out about the firmware release and I got my player hooked up to the internet via Oppo's wireless system. I would like to load the firmware this way, can anyone explain this process?

tmoss
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post #14204 of 39367 Old 06-12-2009, 01:32 PM - Thread Starter
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OPPO is not allowing this firmware to be updated through the Ethernet connection. USB or CD upgrading only.
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post #14205 of 39367 Old 06-12-2009, 01:33 PM
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Quote:
Originally Posted by briandx View Post

Via HDMI, SACD playback still works as before. I default to MC for SACD playback, and I can still change to Stereo via the remote...

Thanks for the confirmation... I was just about to do the u/g and saw the op about it not working... that stopped me cold. I switch back & forth all the time.

I think that I still may wait until a few other brave souls try this, however

-steve
My HT Setup - updated 12/25/2012
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post #14206 of 39367 Old 06-12-2009, 01:34 PM
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Quote:
Originally Posted by Neuromancer View Post

OPPO is not allowing this firmware to be updated through the Ethernet connection. USB or CD upgrading only.

Thanks I'll go the USB route.

tmoss
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post #14207 of 39367 Old 06-12-2009, 01:35 PM
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Quote:
Originally Posted by Neuromancer View Post

OPPO is not allowing this firmware to be updated through the Ethernet connection. USB or CD upgrading only.

I originally found that odd... then, I started thinking that there may be so many people out there, trying to hammer away at their servers to d/l the f/w, that it might overload it.

Let's hope this is not a continuing trend with future u/g's!

-steve
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post #14208 of 39367 Old 06-12-2009, 01:36 PM
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Quote:
Originally Posted by stevec325 View Post

I originally found that odd... then, I started thinking that there may be so many people out there, trying to hammer away at their servers to d/l the f/w, that it might overload it.

Let's hope this is not a continuing trend with future u/g's!

I'm guessing it's because they are calling it "beta". If it's via the internet a lot of people will upgrade automatically.

-Bill
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post #14209 of 39367 Old 06-12-2009, 01:44 PM
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That makes more sense, Bill

-steve
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post #14210 of 39367 Old 06-12-2009, 02:01 PM
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I currently have the audio settings on my Oppo set to Bitstream via HDMI to my Denon 3808. In the manual it states that Dolby TrueHD sent via LPCM is capable of 7.1 channels, along with other HD audio formats. I just checked out the specifications for Dolby TrueHD at Dolby Digital's website and it says that Dolby TrueHD "Supports up to 5.1 channels of 24-bit/192 kHz audio".

Am I losing quality by using bitstream instead of LPCM? I was under the impression that LPCM is only necessary for SACD playback (which I currently don't utilize).

Any help would be greatly appreciated.

Thank you very much,
Cam
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post #14211 of 39367 Old 06-12-2009, 02:22 PM
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Quote:
Originally Posted by Quadcam99 View Post

I currently have the audio settings on my Oppo set to Bitstream via HDMI to my Denon 3808. In the manual it states that Dolby TrueHD sent via LPCM is capable of 7.1 channels, along with other HD audio formats. I just checked out the specifications for Dolby TrueHD at Dolby Digital's website and it says that Dolby TrueHD "Supports up to 5.1 channels of 24-bit/192 kHz audio".

It also supports 7.1 channels at 24-bit/96 khz. There should theoretically be no audible difference between the bitstream and the LPCM over HDMI, but let your ears be the final judge.
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post #14212 of 39367 Old 06-12-2009, 02:23 PM
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Quote:
Originally Posted by Hughman View Post

I can force 24hz from DVD's (don't I've come across 1080p60 disks yet) from my Oppo which is confirmed at the projector. Set output resolution to 1080P then in the "Video" tab set both "1080p24 output" to "on" as well as set "DVD 24p conversion" to "on"

the OP was talking about BDs not SD DVDs.at least thats what I thought. as far as SD DVDS, from what I understand the oppo has to detect the proper cadence in order to output 24fps for DVDs. it wont force EVERYTHING to 24fps.
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post #14213 of 39367 Old 06-12-2009, 02:24 PM
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THD goes up to 7.1, just not 7.1/192 .
You're fine wether you bitstream or use PCM... your choice.

~Dave

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post #14214 of 39367 Old 06-12-2009, 02:25 PM
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Quote:
Originally Posted by Quadcam99 View Post

...it says that Dolby TrueHD "Supports up to 5.1 channels of 24-bit/192 kHz audio"....

But further states "Up to eight channels of 24-bit/96 kHz audio; designed to be expandable should the Blu-ray Disc standard adopt additional channels." I don't think you're losing anything by bitstreaming.
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post #14215 of 39367 Old 06-12-2009, 02:31 PM
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I operated it for 3 hrs. & here is e-mail I sent to Oppo just now:

Replacement Oppo BDP-83 received today. Original Oppo BDP-83 return shipped today by-way-of FedEx w/ supplied label provided.

Thank you for excellent prompt service!

Re: new BDP-83 replacement unit... I updated unit w/ latest firmware via USB flash drive. Drive transport is quieter than original BDP-83 esp. for Disney blu-ray disks that were very noisy prior. I played beginnings of Disney blu-ray (Bolt) & Benjamin Button blu-ray, & Napoleopn Dynamite SD. New BDP-83 drive transport/ laser sounded much quieter.

Sadly, fan noise is no different. As previous unit, fan kicks on after 2 hrs.- 15 min. of playing time & can be heard from 25 ft. away (wife confirmed this distance as well). BDP-83 chassis does not feel nearly as hot on back panel as prior unit did. Radio Shack SPL meter readings w/ BDP-83 fan on: 2" from fan: 64 dBC & 2" from unit front: 52 dBC.

Previous e-mail submitted to you shows I modified stand to where BDP-83 is on bottom shelf & Denon AVR-1909 is on middle shelf & center channel spkr. @ top of stand.

2 points of reference sound-wise in our home:
Dell laptop fan on @ 2" away: 58 dBC & front of laptop: below 50 dBC
Fridge fan on @ 2" away: 69 dBC & front of fridge: 55 dBC

I will experiment further w/ BDP-83 on open shelf, etc.. At this point I will live w/ fan noise if necessary.
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post #14216 of 39367 Old 06-12-2009, 03:05 PM
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Quote:
Originally Posted by rhcorolla View Post

I operated it for 3 hrs. & here is e-mail I sent to Oppo just now:

Replacement Oppo BDP-83 received today. Original Oppo BDP-83 return shipped today by-way-of FedEx w/ supplied label provided.

Thank you for excellent prompt service!

Re: new BDP-83 replacement unit... I updated unit w/ latest firmware via USB flash drive. Drive transport is quieter than original BDP-83 esp. for Disney blu-ray disks that were very noisy prior. I played beginnings of Disney blu-ray (Bolt) & Benjamin Button blu-ray, & Napoleopn Dynamite SD. New BDP-83 drive transport/ laser sounded much quieter.

Sadly, fan noise is no different. As previous unit, fan kicks on after 2 hrs.- 15 min. of playing time & can be heard from 25 ft. away (wife confirmed this distance as well). BDP-83 chassis does not feel nearly as hot on back panel as prior unit did. Radio Shack SPL meter readings w/ BDP-83 fan on: 2" from fan: 64 dBC & 2" from unit front: 52 dBC.

Previous e-mail submitted to you shows I modified stand to where BDP-83 is on bottom shelf & Denon AVR-1909 is on middle shelf & center channel spkr. @ top of stand.

2 points of reference sound-wise in our home:
Dell laptop fan on @ 2" away: 58 dBC & front of laptop: below 50 dBC
Fridge fan on @ 2" away: 69 dBC & front of fridge: 55 dBC

I will experiment further w/ BDP-83 on open shelf, etc.. At this point I will live w/ fan noise if necessary.

What is the ambient temp in the room and the temp in the stand?

I've never had a problem with the Oppo's fan in a completely open stand and the stand is located right behind the sitting area (front projector home theater).

Pioneer broke my heart.
Denon broke my wallet.
Oppo broke my thinking.
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post #14217 of 39367 Old 06-12-2009, 03:08 PM
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Quote:
Originally Posted by rhcorolla View Post

...2" from fan: 64 dBC & 2" from unit front: 52 dBC.
Dell laptop fan on @ 2" away: 58 dBC & front of laptop: below 50 dBC
Fridge fan on @ 2" away: 69 dBC & front of fridge: 55 dBC....

I sit about 9-10' from the player that is in a cabinet, and have honestly never heard the fan...couldn't tell you if it has come on or not. I'm not sure what your environmental conditions are, but are you really bothered by a laptop fan noise? That's what you've compared it to by your testing, and the player is sending audio unlike the computer.
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post #14218 of 39367 Old 06-12-2009, 03:25 PM
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Quote:
Originally Posted by rhcorolla View Post

Radio Shack SPL meter readings w/ BDP-83 fan on: 2" from fan: 64 dBC & 2" from unit front: 52 dBC.


2 points of reference sound-wise in our home:
Dell laptop fan on @ 2" away: 58 dBC & front of laptop: below 50 dBC
Fridge fan on @ 2" away: 69 dBC & front of fridge: 55 dBC

Quote:
Originally Posted by Jim Hef View Post

I sit about 9-10' from the player that is in a cabinet, and have honestly never heard the fan...couldn't tell you if it has come on or not. I'm not sure what your environmental conditions are, but are you really bothered by a laptop fan noise? That's what you've compared it to by your testing, and the player is sending audio unlike the computer.

I have a Dell laptop (using right now...), and if the BDP-83 is actually anywhere from 2 to 6 dB louder in comparison, I would be a little annoyed too. I can easily hear my laptop from across the room when the fan turns on when there is no other sound - which is common in the quieter parts of a movie, for example.

Maybe the acoustics of rhcorolla's set-up is somehow focusing the sound forward better than other folks.

rhcorolla: have you looked at whether you can tweak the fan mount screws a little? I have seen hints in other player forums (Toshiba HD DVD maybe?) where tightening or loosening one of the mounting screws made a vibration mode go away, and the fan became essentially silent.

Just a suggestion,

shinksma

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post #14219 of 39367 Old 06-12-2009, 03:38 PM
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Just out of curiosity, what is the dBC measurement from 25' away (or from standard seating location)?

~Dave

...Theater Room Setup...
JVC DLA-RS40-U... Oppo BDP-105D... Toshiba HD-XA2... Uverse VIP-2250... Roku Streaming Stick... Emotiva XPA-3... Onkyo TX-SR805
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post #14220 of 39367 Old 06-12-2009, 03:47 PM
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Quote:
Originally Posted by rhcorolla View Post

I will experiment further w/ BDP-83 on open shelf, etc.. At this point I will live w/ fan noise if necessary.

Bottom line: if the fan is running the player is getting too hot.
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Blu Ray Players , Oppo Bdp 83 Blu Ray Player , Oppo

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