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Archimago's Musings: NOS vs. Digital Filtering DACs: Exploring filtering turned off, implications, fidelity and subjective audibility. (Recent BorderPatrol DAC chatter...)
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DDDAC 1794 NOS DAC - Non Oversampling DAC with PCM1794 - no digital filter - modular design DIY DAC for high resolution audio 192/24 192kHz 24bit
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Assembled HIFI Stereo Dual AD1865R NOS DAC Audio Decoder finished board Supports RCA Analog and XLR Balanced outputs - AliExpress
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