I'm building external crossovers. What is recommended to line the inside of the enclosure with? Also, where's the best place to purchase in the USA?
Generally considered unnecessary, it's low-level signals where it's likely to be amplified later down the line that are usually the bigger issue.
But you could line with TI shield as sold at Michael Percy audio, if you want to, just make sure you give the components, especially inductors, plenty of space.
But you could line with TI shield as sold at Michael Percy audio, if you want to, just make sure you give the components, especially inductors, plenty of space.
I have no interest in wasting money...so if you and others think that's what it will be doing, I wo't do it.
Yes, spacing of the inductors will be correct.
I believe badman was more referring to the extra spacing required if you use some sort of shielding. The influence of conductive metals being placed in close proximity to an inductor can have detrimental effects on their performance.
Placement of coils in crossover networks
Then don't bother doing it😉 Coupling between two inductors can be handled with proper component placing. Any other induction of stray signals isn't something to really be concerned about in loudspeakers. Typically issues of this nature occur when circuit impedances are relatively high as it allows signals to couple more easily and as loudspeakers use low impedances, this helps to significantly reduce/remove the problem.
The most advantageous thing you can do imo, is to place the crossover in a separate box to the loudspeaker drive units themselves and thus reduce any effects the magnetic field produced by the driver could have on the crossover. You're already doing this, so I think you've got it pretty much sorted.
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