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RE: Maybe....

Even the resistance of the wires is going to change significantly with temperature and any vibration will move the wires and components and will affect stray capacitance and this will also affect the results, even at audio frequencies. Finally the Johnson–Nyquist noise is going to dominate, especially at room temperature, and it will be necessary to average measurements over an even longer period that a national lab with their low temperature apparatus (see photo) does while comparing voltage standards. Finally, I doubt that commercially available ovens or fridges will have sufficient stability so specialized equipment will need to be built.

This is something appropriate for a government boondoggle where cost is no object and possibly for an instrument maker who is planning to market to national labs. For audio equipment it is a fool's errand or marketing BS.

Tony Lauck

"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar

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