Yamaha THR100H 100-Watt Modeling Amplifier 5 amp types: MODERN, CLEAN, CRUNCH, CLEAN, SOLID 5 tube types: 6V6, EL84, KT88, 6L6GC, EL34 Impulse Response Speaker Simulation: Choose from a range of industry-standard cabinets and mics The controls on amp heads go back to basics for quick, easy manipulation of your sound An included dedicated footswitch is available for each model, giving you the control you need at home, in the studio or on-stage