Probably a 6 x 9 which is a standard size speaker used for zillions of years going back to the forties..Anyone have a factory radio and speaker in thier 48-50 F-series truck? I need to know the size, length, width and depth. I have 3 different parts books and none list radio or speaker. I think it's a 5.5 x 7.5 size, Can anyone confirm this?
Thanks,
Barry