[Elecraft] K3 6m pre-amp

K7TV ebasilier at cox.net
Wed Jul 30 20:13:00 EDT 2008


Try Antique Electronic Supply (www.tubesandmore.com).
Their 2.5 mH is good for 160 mA, made by Hammond,
core material is ferrite, 3 pi-windings, diameter 0.469", price 
$3.95.

Erik K7TV


>Another used-to-be-common part is a 2.5 mH RF choke, pi wound on a 
>ceramic form. After a lengthy search, I found Hammond still makes these, 
>only to learn that they were discontinued earlier this year. I managed 
>to get one (at a price of $14) and it's good that I only needed one to 
>use as a comparison reference for a QEX article I'm working on.


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