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Impulse label "QS" encoded CD

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soundsation

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I have searched forums and not seen any conclusions whether Keith Jarrett Impulse years 1973-1974 5 cd set has the QS encoding still intact, as the albums were only originally recorded using QS encoding only. Some of what is the original un-edited songs on this have same running time +_/- a few seconds than the quad lp versions I have.
Any experiences on this 5 cd set (produced in 1997 and this Impulse / GRP / universal label with Ed Michel mentioned as part of original and this cd set producing. The other 4 cd set 1975 - 1976, or the 9 cd box set that came out much later which contains the first 2 sets mentioned (total of 9) may be similar encoding don't know. Any experiences or knowledge regarding mainly the 5 cd set produced in 1997 would be great.
 

humprof

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I have searched forums and not seen any conclusions whether Keith Jarrett Impulse years 1973-1974 5 cd set has the QS encoding still intact, as the albums were only originally recorded using QS encoding only. Some of what is the original un-edited songs on this have same running time +_/- a few seconds than the quad lp versions I have.
Any experiences on this 5 cd set (produced in 1997 and this Impulse / GRP / universal label with Ed Michel mentioned as part of original and this cd set producing. The other 4 cd set 1975 - 1976, or the 9 cd box set that came out much later which contains the first 2 sets mentioned (total of 9) may be similar encoding don't know. Any experiences or knowledge regarding mainly the 5 cd set produced in 1997 would be great.
No direct experience with this one, @soundsation. (And I hadn't realized that the big 9-disc set from 2013 was preceded by these earlier releases.) The Discogs listing says it was remastered by Wally Buck, which isn't a good sign. In general, if an engineer goes back to the (unencoded) analogue masters to do a digital remaster, then the QS encoding will be lost. Still: the cheapest copy is selling for 19 bucks, so if you have a Sansui or a SurroundMaster at home, it wouldn't cost you much to find out.

I and a few others here do have some experience with the Impulse "2-on-1" series, and we've found that any albums in that series that were originally released in QS did retain the quad encoding. Same goes for earlier single-disc reissues of Fort Yahwuh, Treasure Island, Death and the Flower, and Backhand. But I think the Jarrett albums that made it onto a 2-on-1 were from 1975-6, not 1973-4.
 

soundsation

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Apr 1, 2016
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Thanks for the leads humprof. I have all-ready purchased at twice that ammount new un-opened, and thinking I may want to return it if seems more likely that it is not, as I have 2 of these in vinyl format all-ready, and I would know real quick, and of course the db in separation would be noticed much more in the cd version for quad effect.
 

humprof

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I and a few others here do have some experience with the Impulse "2-on-1" series, and we've found that any albums in that series that were originally released in QS did retain the quad encoding. Same goes for earlier single-disc reissues of Fort Yahwuh, Treasure Island, Death and the Flower, and Backhand. But I think the Jarrett albums that made it onto a 2-on-1 were from 1975-6, not 1973-4.
I take back that last bit. All four of those Jarrett quads made it onto a 2-on-1:

 
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