The Hammarlund HQ-100 A’s. General coverage receiver tunes medium wave and shortwave in four bands. 54-1.6, 1.6-4, 4-10, 10-30 MHz and 20-meter band spread. Other enhancements include antenna trimmer, noise limiter, RF gain, S-meter, stand-by and AVC on/off. There are 3.2-ohm speaker terminals on the rear panel. The suggested optional speaker is the S-100. 117 VAC 60 Hz. 16.25 x 9.5 x 9.2 inches 30 Lbs.