HEAD AMPLIFIER FOR GUITAR Valve amplifier in head format HT-20RH MKII. 2 Channels (Clean and Overdrive). stereo reverb ISF (Infinite Shape Feature) control. 20W of power. 2 Valves in the preamp (2 x ECC83). 2 valves in the power stage (2 x EL34). Speaker emulation output. Footswitch included. Effects loop. Controls (Clean Volume, Clean Tone, Overdrive Gain, OverdriveVolume, 2 voices per channel, 2-watt fader, Bass, Middle, Treble, ISF, Volume, Reverb, USB output for recording). Dimensions: 573 x 522 x 292mm. Weight: 19.2Kg.