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Old 20th March 2004, 02:52 PM   #1
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Question choke winding

I am wanting to wind my own 10H choke. Any good info on the web as far as gauge and number of turns ect that you know of? Thanks.
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Old 20th March 2004, 03:27 PM   #2
Sherman is offline Sherman  United States
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Try this-

http://lalena.com/audio/calculator/inductor/
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Old 20th March 2004, 04:48 PM   #3
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Default cool

Hi Tim,

I've been thinking about trying this too. Just sort of practice to trying output transformers. There is a good section in RDH4 that walks you through all of the calculations. I don't remember any good web sources, but will check some of my links.

Sherman-That calculator is for an air core inductor not an iron core choke. Good for RF or speaker crossovers, not so good for filter chokes.

Michael
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Old 20th March 2004, 05:21 PM   #4
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Default Re: cool

Quote:
Originally posted by audiobot
Sherman-That calculator is for an air core inductor not an iron core choke. Good for RF or speaker crossovers, not so good for filter chokes.

Michael

I wonderd why I was coming up with a 15 pound monster choke

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Old 20th March 2004, 07:03 PM   #5
Fuling is offline Fuling  Sweden
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If a german link i OK, have a look at this page:
http://www.jogis-roehrenbude.de/

Scroll the sidebar all the way down (almost)
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Old 20th March 2004, 07:10 PM   #6
tom1356 is offline tom1356  United States
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Are there any guidelines or calculators for winding fine silver wire chokes or inductors?
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Old 20th March 2004, 07:48 PM   #7
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Silver is almost the exact same as copper except for color and price. Nothing changes, except maybe a slight increase in current capacity. Much more benefit using say, GOSS as opposed to a NOSS core.

Hey Tim, I'd go with 2 or 3000 turns of wire adequate for the current draw, on a gapped core of sufficient size to hold the wire. You can use SWAG's to find such things as winding area needed, based on turns and wire diameter. I happen to have a table for all those figures though.

If it's for a pi filter, you can space (random) wind, just put the wire on evenly in semi-layers. If choke input, you'll need to wind even layers and insulate between each with a strip of plastic or paper.

Tim
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Old 21st March 2004, 01:57 AM   #8
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Hi,

Quote:
Silver is almost the exact same as copper except for color and price. Nothing changes, except maybe a slight increase in current capacity.
If you use silver wire as hook-up wire etc. in your system it does make alot of sense to use it throughout.

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