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peter foster wrote:

The feature that I find the most useful is being able to select the soundstage characteristics.  There is a noticeable difference between the various settings that assist with stereo imaging of players / instruments…. As I understand it, the ambience recovery mechanism takes an attentuated digital copy of each channel and copies it to the other channel with a slight delay….

Peter, this is very interesting.

If you read my articles “Preamplifiers: keys to mystery. (Lamm L1, L2)” at:

http://www.goodsoundclub.com/Forums/ShowPost.aspx?postID=257#257

…then you might pay attention to the next post: “Are the secrets of Lamm X-factor resolved?”

In there I was hypostasized that some of the key to the Lamm’s amassing X-factor might be the spatial expander algorithms that Lamm uses, as no other know to me “straight preams” has no X-factor effect. The spatial expander patterns might be different, perhaps Lamm did found one that works and implementable at analog domain, perhaps not the best implementation but it was just a first (perhaps even accidental for Lamm himself) step.

Now it looks like there is a digital device that claims own space in the ceremony of spatial re-rendering. I do not know how it is done and have no expertise to evaluate it on theoretical bases the concept that K-Stereo proposes but the fact that someone is looking at those things I found superbly positive. May I ask you:

1) Does this device allow modifying the death, amplitude and “polarity” of the spatial extraction and injections?

2) Do you detect any changes to sound (sounds) besides the injections of spatial information?

3) Does the positioning of the images are changing or the images juts got slightly different spatial presentation at the very same position?

4) Do you detect any change in sound when the K-Stereo unit in a by-pass mode?

5) Does the K-Stereo unit has the I2C-bus input or it uses AES only with further AES to I2C conversion?

6) If you run the K-Stereo “spatial extender” multiple time on the same digital file then what happen?

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