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Old 04-26-2017, 12:40 AM
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DonBattles DonBattles is offline
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Location: Northern California
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Quote:
Originally Posted by GrantS View Post
It is important to note, that although the Entech is a nice consumer level product that amplifies line noise as audible and has a display, it is quite limited in terms of measurement when it comes to the noise that impacts audio-electronics. I would stop short of considering that to be a scientific tool, but it is not without merit.

The Talos and Alpha power cords both target noise in the megahertz and gigahertz regions, which we feel are the most significant in terms of audio or recording replay. The Entech measures noise in a much narrower, lower frequency band. We use the Entech for some base-line, audible line-noise measurements, but the far more expensive Fluke model products and power-analyzers costing thousands more, paint a far more accurate and complete picture.

Yes, the new range of Alpha NR and Sigma NR power cords will measure better using the Entech than the Alpha HC, for example, but that is not necessarily an accurate representation of the audible differences when you compare them on an audio-system.

Best regards,

Grant
Shunyata Research
https://www.youtube.com/watch?v=Z6f1kwyZbM8
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