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Wardsweb
11-10-2004, 06:55 AM
Taken from the L200-L300 Thread

... Yes you to can build it. It is so simple all you need are two low DCR .3mH inductors, a pair of 1.5uF mylar caps, a pair of 20 ohm resistors and an 8 ohm L-pad. The total cost would be about $15 each.
Have fun!
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First let me appoligize for such a newbie question. Does it make a diference if I use an air core or iron core inductor?

Likewise, is there a preference material for the cap; mylar, metalized polypropylene, film/foil, etc...

4313B
11-10-2004, 07:18 AM
"Does it make a diference if I use an air core or iron core inductor?"

Iron cores should probably only be considered if you are going to pack them tight in a small space.

"Likewise, is there a preference material for the cap; mylar, metalized polypropylene, film/foil, etc..."

The old JBL ring radiators loathe passive components in front of them anyway so it would probably behoove you to use the "best" components you can find. Try a high quality film & foil.

Wardsweb
11-10-2004, 08:06 AM
Air core it is then and some boutique caps.

Thanks !