These are Fishers. 12" woofer, 130W Max power, made from1978-1979, it has potentiometers for higs and mids. I once opened the cabinet and to my surprise, it has a really well made crossover. Grenadeslio said that that they are relatively efficient speakers, but the bass can't keep with the highs and mids if you know what i mean. It has a different type of surrounding, pulled inside.