Only thing strange about this adv. is that there are two front panel photos, one of the current EX series faceplate (left side) and one with the older faceplate (right side). Also, no sales of one of these amps into zip code 93455 to the best of my knowledge. It would be nice if the seller did a bit of clarification. The used price would be right for a 240/3EX, but for the previous generation OmegaStar 240/3 version, it would cost $300 to upgrade it.
Frank Van Alstine