40-watt, all-tube amp headPremium tubes: 2 - 6L6 & 3 - 12AX7Bass, Middle & Treble ControlsAC, British or American voicing switchTwo channels with Independent Volume & Gain, Tight & Bright voicing switches, Vintage/Modern amp voicing switch, Clean/Hot gain selector, and Mid Cut switchBuffered effects loop with level selectorFootswitch for channel select and effects loop117V/230V voltage selector