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Linear power supply for more disk player models out there...
It is now well known about the improvements an linear power supply it brings when using it in audio/video signal source devices. I have started with designing LPS for Oppo players (beside an extended game of other upgrades). Now all Oppo player models it benefit of my LPS. I have then extended...- Coris
- Thread
- Replies: 4
- Forum: Audio Tweaks Forum
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Oppo Sonica DAC - upgrades, modifications, discussions
Sonica DAC, another product of Oppo, with last version of the most advanced DAC chip inside. A product which sadly, it will not be produced anymore, as the rest of the Oppo series... I started recently taking a closer look on Sonica, trying to figure out what it could be improved and upgraded...- Coris
- Thread
- Replies: 3
- Forum: DIY Audio Forum
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Oppo UHD 203/205 - modifications, improvements, discussions...
New generation Oppo 4k plyers, new mods and improvements...- Coris
- Thread
- Replies: 89
- Forum: DIY Audio Forum
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modification of Asus ST/STX - performant parallel and isolated DAC system
The DAC system is based on the same PCM1792 chip, but is entirely redesigned, and interfaced through digital isolator to I2S lines on ST/STX board. Double regulation levels using TPS and ADM7151 ultra low noise regulators on DAC board. The fully differential (OPA1632) I/V and final buffer are...- Coris
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- Replies: 0
- Forum: DIY Audio Forum
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My most complete improvement for Oppo BDP 105/105D
- Replacing the original SMPS with the linear power module (internal mounted). This mod it include: Double AC filters for internal transformer as for the original toroid (analogue power). R core transformer for best main AC noise isolation. Most advanced power regulators on market today for...- Coris
- Thread
- Replies: 36
- Forum: DIY Audio Forum
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