05-01-2016, 02:28 PM
it wouldn't be unheard of for Ampeg to use Jensen C12ns in the GV22. Typically they used eminence or CTS speakers in those amps, but the catalog certainly doesn't specify a brand of speakers, it just says "2 heavy duty 12 inch speakers" they did use jensens in a number of their amplifiers. almost all of them pre 1967 or so.