One might just as well ask why we use 4'8" as our railroad gauge, or 120V as our AC mains power. Olde standards persist and should be celebrated for the historical artifacts that they are - provided it's not holding up or harming anything in so doing.
It's amusing to contemplate, at the least. /philosophy Steve Wedge, W1ES/4 To be is to do - Socrates To do is to be - Plato Do be do be do. - Sinatra All my computers have my signature with various pearls of wisdom appended thereto. -------------------------------------------------- From: "Barry" <w...@comcast.net> Sent: Friday, September 17, 2010 2:49 PM To: <elecraft@mailman.qth.net> Subject: [Elecraft] [K3] Why do they still use 1/4 inch phone jacks? > 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:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
