I presume, historically, it was so there would be enough spacing to prevent arcing for the 300VDC on the keying line, etc. Nowadays, most headphones come with 1/8 inch plus, paddles/keyers are low voltage, etc.
-- Barry Kutner, W2UP Lakewood, CO ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
