Heritage line is the following:
Klipschorn
La Scala (the discontinued Belle is a fancier furniture version of the La Scala)
Cornwall
Heresy
Extended Heritage:
Chorus (actually replaced the Cornwall for a time)
Chorus II (likewise)
Forte
Forte II
Basically the core Klipsch speaker designs and their close relationships thereof. All manufactured in Hope, Arkansas and designed by Paul W. Klipsch.