1950's Gibson GA-20 1 x 12" Guitar Combo Amplifier - UsedThis 1950's Gibson GA 20 has seen its fair share of action, let us tell you. There is some wear and tear on the outside corners of the cabinet and fraying on the grill cloth. The handle, capacitors, tubes have been replaced, and a grounded 3 prong hardwired cable has been installed. This GA 20 has its original 12 inch Jensen Alnico 5 Speaker, one 1 4 inch microphone input, three 1 4 inch instrument inputs, respective volume controls, and a master tone