Introduced in the 1960 s, the AC10C1 combo offers the classic layout of Gain, Volume, Reverb, Treble and Bass tone controls. The amplifier features 2 x 12AX7 preamp tubes, a pair of EL84 tubes and a 10 Celestion VX10 speaker, providing the superb tone that the AC range has been famous for since its introduction in 1958.