Honestly man, I hear it too.. I put up a post from Hoffman in this thread that has two different clips of two different Black Fire pressings at the same moment and I really can hear the difference. I even hunted down a different BF reissue that wasn't too egregiously expensive just because I'm so curious. Haven't gotten it yet though but I'll post again when it arrives.
In the meantime, I'm doing this:
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Liberty pressing on the left with VANGELDER stamps, MM pressing on the right. I got the BN80 coming too just for the hell of it.
My thoughts after the first track of the Liberty? It's much more pleasant sounding. The harsh horns in the Egyptian on the MM press are way tamer on the Liberty. Gotta listen again for more. Not sure why in doing this. Fun, I guess??