Since Altec was acquired by Electro-Voice and since laid to rest by Telex, I thought it might be relevant to point out this article I found while surfing for for EV info....it has the time-line when Altec was acquired. A company history was composed by EV co-founder Al Kahn in 1953.
Follow the hyper-links in the article for details. I hope you find it interesting since EV has been in existence for 70+ years...and some JBL engineers spent parts of their careers there, too.
http://www.prosoundweb.com/install/c...kc/ev/ev.shtml