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From the March 2004 issue, John Atkinson finally gets to listen to the Sonus">http://www.stereophile.com/loudspeakerreviews/304sonus">Sonus Faber Cremona loudspeaker and explains, "it took rather longer than I had expected to set the Cremonas up in my listening room. But, like everything worth experiencing, the wait was worth it."

From the March 2004 issue, Michael Fremer goes a couple rounds with the Theta">http://www.stereophile.com/amplificationreviews/304theta">Theta Digital Enterprise monoblock power amplifier, exclaiming, "Monoblock power amplifiers seem to be moving in and out of my listening room faster than green-onion salsa from Chi-Chi's." So how does the Theta stand up to the competition? MF lays it out.

From the March 2004 issue, Kalman Rubinson files his report on the Adcom">http://www.stereophile.com/amplificationreviews/304adcom">Adcom GFA-7805 five-channel power amplifier. KR notes, "It was easy for me to decide on their top-of-the-line five-channel powerhouse, the GFA-7805, because it embodies the same spirit that the GFA-555 did in its time: lots of power, no frills, good value."

From the December 2001 issue, Robert Deutsch tries something completely different when he fires up the 47">http://www.stereophile.com/amplificationreviews/120147">47 Laboratory 4706 Gaincard power amplifier. RD notes, "The pursuit of simplicity in the design of solid-state audio electronics is perhaps best exemplified by the products from 47 Laboratory." Less is often more, but with the 4706 Gaincard, is it better?

Our first of three loudspeaker reviews from the April 2004 issue finds Michael Fremer listening to the Aerial">http://www.stereophile.com/loudspeakerreviews/404aerial">Aerial Model 20T loudspeaker. MF explains, "Loudspeaker design is an art and a science. Anyone who tells you it's only one or the other is probably building or listening to some awful-sounding speakers." Fremer ponders whether Aerial has managed to achieve that perfect balance.

From the April 2004 issue, a must-read for all audiophiles: Keith Howard does the SACD and DVD-Audio math for "New">http://www.stereophile.com/features/404metrics">New Media Metrics." Using a vast collection of informative graphs, KH explores hi-rez attributes and puzzlers. "In the case of SACD, why provide a potential bandwidth in excess of 1.4MHz, only to fill more than 95% of it with quantization noise?"

In a ground-breaking article from May 1990, Robert Harley uncovers the real digital story with "CD:">http://www.stereophile.com/reference/590jitter">CD: Jitter, Errors & Magic." Confusion about CD tweaks leads RH "to conduct a scientific examination of several CD 'sonic cure-all' devices and treatments. I wanted to find an objective, measurable phenomenon that explains the undeniable musical differences heard by many listeners where, at least according to established digital audio theory, no differences should exist."