how audible is ad da conversion

Hi, I have a home theater with JBL M2 as LCR which need a DSP with speaker tunings. For this reason I am using a BSS Soundweb London DSP which I will continue to use as I also use it for Room EQ (not interested in going to auto-eq) My processor is an older Yamaha CX-A5100 and is connected to...

Each of these zip files will open into three wav files. One is labeled Reference, one is A and one is B. These are 30 second snippets of full songs. The originals were from CD so all 44.1 khz and 16 bit. Either A or B has been thru 8 generations of DA to AD copying. The other is identical...