Quote:
Originally Posted by jeyurkon
Could you give us a link? It doesn't make sense to me either. The red ones could be either polypropylene or polyester. Polypropylene would be better at higher frequencies. But it also depends on how they are made. Both are supposedly non-inductively wound.
John
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It was antique electronic supply in one of their catalogs I used to have. I have not checked their web site at all. The address is tubesandmore.com. Maybe I read something wrong.