Not looking for a scientific method. More like where Hobbs compared different by-pass caps in the same crossover and kept track of how long each one took to reach the point where the sound stopped changing.
Don't have a cooker so would be using them in a crossover circuit one at a time playing music until the sound stops changing. Once they all get to that point we can start comparing. I was just wondering if anybody had an idea of the type of time frame we're looking at.
It would be an interesting test, though I suspect the differences should be fairly minimal for the most part, considering an inductor is just a coil of wire coated in enamel, (or foil with the layers separated by a poly-based strip), and most high-end resistors resistors are typically either wire or foil-wound based. (Graphite in Duelund's case).
Overall, I would expect should things act very similar to most any wire/cable where the main benefits from burn-in will be right at the surface of the wire where it and dielectric meets.
If it's anything like capacitors, components coated in some materials will burn-in faster than others. But seeing that the signal doesn't need to pass through the dielectric, like a capacitor, I'd imagine that most of the benefits will be fairly small, and would most likely manifest in the treble regions, since the dielectric will influence things like skin effect, in much the same way the PVC/Teflon/Polyethylene do. The one exception might be wax paper based foil inductors, but I'm just speculating based on how dramatic oil/wax + paper capacitors can be during their burn-in process.
That said, it would be interesting to test coils that have been fully burned in against fresh units, and see where the differences lie and what differences there are.
