The JVM Series 100 Watt, valve-driven power stage is built on the classic design responsible for the legendary Marshall JCM800 2203 and 'Plexi' Super Lead amplifiers. A timeless foundation for countless classic rock and metal guitar tones for over four decades. Each of the JVM's four channels: Clean, Crunch, OD1 & OD2 has three modes: green, orange and red, providing 12 totally unique, yet complimentary amplifier topologies, making it 12 amps in one. As a result, the Series offers an amazing array of instantly switchable tones. From the cleanest clean to the highest gain - and all points in between. SPECIFICATIONS: Output (RMS) : 100 Watt Pre-amp Valves: 4x ECC83 Power Amp Valves: 1x ECC83, 2x EL34 Footswitch Supplied: 73/PEDL-10045 Dimension (mm): 605 x 510 x 265 Weigh t(kg): 26.5 WHAT'S IN THE BOX?: Manual, Footswitch, Speaker Lead & Power Supply.