AC-30. played my 78 Gretsch Broadcaster thru it at the store. Could not afford it then-early 80s. Now that i can afford , can't lift it. Sigh. Gotta Bugera v-22 head thru a 1x 12 bottom now nice tones, even killer with filtertrons, pafs and some GFS tele pick-ups, but that darn thing was magic.