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Old 15th November 2012, 08:30 PM   #91
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Quote:
Originally Posted by john curl View Post
There are NO ceramics in the audio path.
Including power supply ?
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Old 22nd November 2012, 07:49 AM   #92
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Do you know that the working frequency of the processor clock of the new Oppo 103/105?

Last edited by ktm15; 22nd November 2012 at 07:53 AM.
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Old 22nd November 2012, 11:32 AM   #93
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Of course, there are ceramics in the power supply. This is a mid fi priced unit, what can you expect?
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Old 22nd November 2012, 11:56 AM   #94
Coris is offline Coris  Norway
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Quote:
Originally Posted by ktm15 View Post
Do you know that the working frequency of the processor clock of the new Oppo 103/105?
It may be the same as in 95 model (25Mhz). My 105 is on the way now, so in short time I will have a more precise answer....
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Old 22nd November 2012, 01:45 PM   #95
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Thanks Coris ...
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Old 23rd November 2012, 01:50 AM   #96
jdkJake is offline jdkJake  United States
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Not sure about ya'all, but for the money, this is a pretty impressive piece of gear. While early in the "getting acquainted" phase, I am certainly liking what I am hearing.

With the right amp/speaker combo, this can act as a source/pre-amp combo for just about anything you can throw at it; shiny disks, optical/coaxial digital, HDMI, USB, NAS music server, etc. Quite the value proposition, or at least the potential for such.

Not to mention it also has video/surround possibilities.
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Old 23rd November 2012, 08:48 AM   #97
Coris is offline Coris  Norway
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I can agree... The only problem with this machine is that with few more "tricks", which it may be included in the design, it could perform even better (best!). For the same money...
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Old 23rd November 2012, 11:55 AM   #98
marce is offline marce  United Kingdom
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The best caps for decoupling power supplies at digital IC pins are::Tadh Dar
X7R and above multi layer ceramin SMD capacitors, the smaller the package for a given value the better.
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Old 23rd November 2012, 06:36 PM   #99
Coris is offline Coris  Norway
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Two (unofficial) pictures of inside 105: clock area for stereo DAC and final stage - output caps...
One can observe in the clock circuit, a little more care from Oppo designers to supply the oscillator with more clean power from a low noise regulator right near to it. But disappointing the frequency of this oscillator: 54Mhz...
The same as in 95 model
Attached Images
File Type: jpg final stage caps.jpg (748.0 KB, 425 views)
File Type: jpg stereo - clock.jpg (481.8 KB, 393 views)

Last edited by Coris; 23rd November 2012 at 06:45 PM.
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Old 23rd November 2012, 08:52 PM   #100
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Many thanks Coris, could you please send me the frequency of the clock on the Mediatek processor?
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