rmaa

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    Measuring DX7 Pro+ using Cosmos ADC, or Why You Shouldn't Blindly Trust SINAD Scores

    My Cosmos ADC is A-grade and set to 3.5 Vrms. All RMAA measurements are 24/192KHz. TLDR: The THD performance of DX7 Pro+ is great at -1.0dBFS but worse at -1.2dBFS. All ESS DACs have this "oscillating THD" issue (see https://archimago.blogspot.com/2022/07/hi-res-thdn-vs-output-level.html)...
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    Chord DAVE measured by Cosmos ADC

    Hi guys. I measured my Chord DAVE using Cosmos ADC (grade A). Cosmos is set to 4.5Vrms in both XLR and RCA measurements. Note DAVE has a HF filter which affects the FR and probably cause the rise of IMD after 18kHz. I will remeasure it later without HF filter. DAVE has higher noise and...
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    Is MiniDSP SHD's ADC performance in the same ballpark as RME ADI-2 Pro fs?

    Given that the MiniDSP SHD and the RME ADI-2 Pro fs both use the same AKM chips, have similar specs, and in Amir's DAC testing showed very similar performance, is it safe to assume that the ADC performance of the MiniDSP SHD is likely to have a SINAD within a few dB of the RME ADI-2 Pro fs? I...
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