I don’t want to turn this into a thing, especially since you seem to be uncharacteristically knowledgeable about the topic, but I beg to differ. I’ve written extensively on the topic in the 2000s mainstream press myself.
I don’t disagree with your basic statements. But I don’t think I claimed to be transferring native DSD to the R 2500 R through HDMI. Maybe my earlier posting was vague. I don’t think the T+A even reads DSD data over HDMI/DTCP. It accepts DSD only via the network or through its USB inputs.
So to be clear, I’m transferring 24-bit SACD data as stereo PCM, sampling rates up to 176.4KHz, over HDMI. This is not upsampled 44.1/16 Red book content, but was converted by the transport from the Scarlet Book DSD.
As further confirmation of this, I’m able to play content, identified by the receiver itself as hirez, retrieved from non-hybrid SACDs -- that is, discs that have no Red Book layer.
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