HEAD AMPLIFIER FOR GUITAR Tube 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 control (Infinite Shape Feature). 100W power. DPR power reduction system. 2 tubes in the preamp (4 x ECC83, 1 x ECC82). 4 tubes in the power stage (4 x EL34). Output for 8 and 16 Ohm speakers. Speaker emulation output. Switching via MIDI or Footswitch included. Effect loops. Controls (Clean Gain, Clean Volume, Crunch Gain, CrunchVolume, 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.