Blair, regarding the VHS tapes, it's not the audio that's on them that I'm talking about. If they're sitting on a shelf, they're affecting your listening because above 1.28KHz, their scattering characteristic is non-linear. So those tapes distort The Family of Curves Axiom worked so hard to shape.
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M100,VP160,QS10HPx2,EP800,M5HP,M3,M50 v4
M80,VP150,QS8x4,EP600 v2
ADA-1000-2,3,1500-3
Air N2