Official RIAA sales figures for 2007:
http://www.scribd.com/doc/6386390/RIAA-Annual-Music-Sales-Data-2007-Year-End
SACD was released around 1999-2000, sales tracking started in 2003, and it has declined steadily ever since its release. 2006 vs. 2005; down 45%, 2007 vs. 2006; down 34% to 200k units. Total. I don't have the 2008 figures, (the RIAA is lumping all physical digital media under "CD"), but I did find that classical music sales for 2008 were down 26%, the largest drop of any genre.
Vinyl, which was steadily dropping until the recent "boom", bottomed out at 900k units in 2006. So, SACD at its highest peak, never matched LP sales at their bottom. For 2008, vinyl sold 1.88 MILLION units, up 89% over 2007, and 1Q09 sales were 670k!
SACD was never a commercial success. There were never enough album releases, never enough releases of "popular" music, never any affordable players, and the majority of potential buyers simply waited for a winner to emerge in the battle of what format would replace Redbook CD. There never was a winner.
(Flamesuit ON)
Yes, I know what Wikipedia is, and yes, I know who writes the articles. Posted for your amusement and entertainment only:
From Wikipedia:
"Audible differences compared to PCM/CD
In the audiophile community, the sound from the SACD format is sometimes thought to be better compared to older format Red Book CD recordings. [31] However, in controlled blind, level-matched listening tests over stereo reproduction subjects were not able to differentiate SACD recordings from their CD-quality converted version. Instead, the authors suggest that differences in particular mixes for the two formats may be causing perceived differences.[32]:
Now, it is very difficult to use negative results to prove the inaudibility of any given phenomenon or process. There is always the remote possibility that a different system or more finely attuned pair of ears would reveal a difference. But we have gathered enough data, using sufficiently varied and capable systems and listeners, to state that the burden of proof has now shifted."
(Flamesuit OFF)
I was very interested in SACD for quite a while several years ago. I kept looking for music I was interested in buying, never found much. I kept waiting for prices of players to drop, just like the prices of EVERY new electronic whizbang eventually drops, never happened.
Until it was too late.
SACD isn't on life support any more. The autopsy is done.
Edit: Super cool graph!!
http://graphics8.nytimes.com/images/2009/08/01/opinion/musicforweb2.gif