On 29/04/2014 16:18, Johny B Good wrote:

[1] around the equivilent performance of a high quality cassette deck
with accurately aligned dolby level. Realistically, a C90 TDK SA tape
would only manage the equivilent of 700MiB of storage.

Really? That implies a C90 is capable of similar quality levels to CD,
and I'd be very surprised if that was the case.