Posted by Tim Heasman on Jan 03, 2012; 3:20pm URL: http://elecraft.85.s1.nabble.com/K3-jack-size-tp7145680p7147045.html
Hi,
I have just measured a 3.5 mm jack at 3.46 mm and 0.136 inches, making it 11
thousandths larger than 1/8 of an inch. Probably makes a better fit that a
nominal 1/8 inch plug (about 10% smaller). Mine are 3.5 mm and cause no
bother.
73
Tim
gm4lmh