B-52 AT-112 60-Watt 1x12" Tube Combo Amp All-tube preamp/poweramp signal path Overdrive channel: gain and master controls, 3 band EQ And contour. Clean channel: master volume with 3-band EQ Global controls: low-res (resonance) and reverb# Effects loop with level controls Line out with level control Selectable 4 / 8 / 16 ohms external speaker jacks 2-position footswitch: channel select and reverb. Rugged 18mm baltic birch construction Detachable casters for easy transport Dimensions: 22.5" (w) x 19.5" (h) x 11" (d)# Weight: 40lbs.