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13th August 2006, 06:46 PM
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diyAudio Member
Join Date: Apr 2002
Location: Munich
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How much do you filter non os ?
I'm infected by the nosser virus.
One of my current projects is CS8412 --> PCM56 with MSB adjust --> passive I/V resistor 500 ohm --> step up transformer --> 1,34 nF shunt filter cap on secondary --> out. The sound is very good, no grain compared to os. Perhaps a little warm, but not as much like TDA1541A. OdB test signal has K2 -70dB. I think that comes from passive I/V. -60dB test signal has noise floor -60dB and no harmonics. Should I try a firewall filter ? 
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