GUITAR HEAD AMPLIFIER Valve amplifier in head format Series One 104EL34. 4 Channels: Clean, Crunch, OD 1, OD 2 (Clean channel with Warm (Plexi) and Bright (Class A) type modes/ Crunch channel with Crunch and Super Crunch modes/ Two overdrive channels with high and low output damping). ISF (Infinite Shape Feature) control. 100W of power. DPR power reduction system. 2 preamp tubes (4 x ECC83, 1 x ECC82). 4 power stage tubes (4 x EL34). 8 and 16 Ohm speaker outputs. Speaker emulation output. Switching via MIDI or included footswitch. Effects loop. Controls (Clean Gain, Clean Volume, Crunch Gain, Crunch Volume, Overdrive 1 Gain, Overdrive 1 Volume, Overdrive 2 Gain, Overdrive 2 Volume, Bass x 2, Middle x 2, Treble x 2, ISF x 2, Resonance, Presence, Master Volume, DPR). Dimensions: 705 x 285 x 278.5mm. Weight: 27.2Kg.