Amplifier Type: Tube Inputs: Two - (1/4", Input 2 operates at -6dB) Cabinet Material: 11-Ply Birch Plywood Speakers: Two - 12" Celestion V-Type Total Impedance: 4 ohms Power Tubes: 2 x 6L6 Preamp Tubes: 3 x 12AX7 Footswitch: 2-Button 3-Function (Channel Select, Drive/More Drive), P/N: 0994062000 (Included) Channels: Two - Selectable Effects Loop: 1/4" - (Preamp Out, Power Amp In)