The Goertz will work better as frequency rises. They have less skin effect and time smear, which is why their mid and treble response are more coherent. I discussed many of these benefits in a recent Goertz speaker thread.
Having said that, if using the inductors as part of a low pass filter for a woofer, use the heaviest gauge quality built solid core inductor that you can find. Stranded wire offers less surface area and should be avoided if you're looking for best results.
El: Maggie probably recommends against the use of foil inductors because too many people are doing just that. That is, they are modifying their speakers using these specific parts. Asking a manufacturer for help improving their produce, who probably already thinks that their product is perfect, isn't typically going to get you an honest / unbiased answer most of the time. Sean
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Having said that, if using the inductors as part of a low pass filter for a woofer, use the heaviest gauge quality built solid core inductor that you can find. Stranded wire offers less surface area and should be avoided if you're looking for best results.
El: Maggie probably recommends against the use of foil inductors because too many people are doing just that. That is, they are modifying their speakers using these specific parts. Asking a manufacturer for help improving their produce, who probably already thinks that their product is perfect, isn't typically going to get you an honest / unbiased answer most of the time. Sean
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