Re: Nakamichi bliss!
Ted, is the loss of HF with ageing an established fact? I have recordings made in the late 70s on Maxell/TDK stock which sound subjectively exactly the same as they did then. Of course, at 64 my hearing stops at about 12kHz so if the degradation is right at the top I may not be able to hear it.
Presumably it should be possible to demonstrate HF degradation in a lab using old reference recordings.
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