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Technical and scientific discussion of amps, cables and other topics.

RE: "I give you The Church of the Latter Day Saints." So that's what it's going to be, is it?

Oh, yeah. I almost forgot:

RCJ: "I simply drew attention to the *fact* that a wide variety of sonic results is available off any given CD depending on the player, and I asked for enlightenment on where the "bottleneck" stood within this range. No reply was forthcoming, save for, "You asked what our bottleneck sounds like, and we’ve proven the answer quite well: It sounds like the signal that went into it." What *that* sounds like, is circular reasoning... or worse, begging the question."

Do you really not get this? The device we were using is a recording system, which passes a signal *through* it. We were testing for whether it made any audible change to the input signal. Except for a broadband hiss at -92 dBA re full scale, it didn't; and it turns out this noise level was below that of virtually all the high-bit recordings we found. This means that on music at normal levels, and on most recordings at any playback level... careful now, this is heretical... it has no sound of its own.

Is it possible that someone out there can spot this device in the signal chain on normal high-bit recordings at normal gain settings? Could be. We tried with a lot of good people on several good systems* for over 500 trials, and didn't find any. That's all. If that's not enough for you, go in peace, or take the test yourself and teach us all how it's done. -- E. Brad

* Lurkers: An equipment list and musical selections should be ready this week; just email me if you want one. It has also been claimed that no Boston-area college offers a recording program; we went to UMass Lowell, where they've built a fine-sounding large listening room with a pair of the best SLS ribbon-tweeter monitors.


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  Michael Percy  


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