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Copper Foil Inductors.

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mikeeastman

Copper Foil Inductors.
« on: 29 Jul 2020, 04:15 pm »
I’m upgrading a x-over and I need a 3.mh copper foil inductor and all I can find are either 2.7mh or 3.3mh. Anyone know where I can get a good 3.mh copper foil inductor.

Would it work to use two inductors of a smaller size together to get to 3.mh.
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Argoncat

  • Jr. Member
  • Posts: 72
Re: Copper Foil Inductors.
« Reply #1 on: 29 Jul 2020, 04:53 pm »
HiFiCollective in the UK has Mundorf Foils at 3.0 mH

https://www.hificollective.co.uk/catalog/cfc12200-cfc12-30mh-foil-coils-foil-44mm-width-p-3199.html

as does Earse in the US

https://www.erseaudio.com/Products/FoilQCoils12Gauge/EAF12-3000

however, I think both are special order and have some lead time.
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Captainhemo

Re: Copper Foil Inductors.
« Reply #2 on: 29 Jul 2020, 05:23 pm »
You  can also buy the 3.3 and  simply  unwind it until your  reach  the  desired  3.0 so long as you  or  a buddy  has  a device capable of measuring  mH

jay
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mikeeastman

Re: Copper Foil Inductors.
« Reply #3 on: 29 Jul 2020, 05:32 pm »
Jay, some one did that for me when I upgraded my Super7 x-over. It was so long ago I forgot who it was.

Thanks Argoncat just order the Mundorf, Parts Connection had them in stock.
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Captainhemo

Re: Copper Foil Inductors.
« Reply #4 on: 29 Jul 2020, 05:48 pm »
Yeah, super easy if you happen to own a Clio  .
Glad  PC  had them in stock   :)

jay
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