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They're from the same source

On behalf of Sony Music, I do not want to disappoint some of you but, yes, the Dave Brubeck "Time Out" SACD is mastered using the PCM master copy. Actually most early Sony SACDs of jazz & classical reissues are from the 20 or 24 bit PCM production masters made for CD productions. We did not use analogue masters mainly because of archival reason. Those tapes are old and fragile. Many of them are in miserable shape right now and it's very risk playing them again and again for each reissue, and let them expose to the humid and normal temperature of the studio. Most of them are Scotch 111 magnetic tape, uncoated (matted surface) and acetate base. Acetate can be shrink, warp, brittle and very fragile with time if you do not keep it in the right environment (climate & humidity control). The uncoated magnetic particle has a high degree of shedding everytime it passes the tape machine's playback head at high speed (usually we recorded at 15ips, with some cases at 30ips) causing drop-out or other undesirable phenominon. So that's why we do not use the original analogue masters, unless they are really important projects. We at Sony may reissue those old jazz titles using analogue tapes in the future, though, when the SACD format is more mature. Anyway, thank you for your support on our products.


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