[AMRadio] Mfg date for 4-400 series


Larry Keith kq4by at rocketmail.com
Fri Mar 23 11:48:42 EST 2007


Data Point:  The first mention, in QST, in April 1957 -- A 4-400A amp..

73,

Larry
KQ4BY





More information about the AMRadio mailing list

This page last updated 17 Oct 2017.