Gulton Industries sold Altec to Mark IV Industries(parent to EV) in 1986.
In 1997 Mark IV Audio including Altec Lansing was sold to a New York investment fund and renamed EVI.
In 1998 EVI is merged with Telex Communications, the Oklahoma City Altec facility is closed down with remaining manufacturing consolidated to EV's Buchanan MI facility.
In 2000 Altec Professional was closed down and remaining trade rights sold to Altec Lansing Technologies(ALT) Milford, PA
In 2002 ALT re-launched Altec Lansing Professional and would begin having original Altec component designs made in China.
Compare an Altec 9444 amplifier to an EV AP2600, inside and out.