Bugera Bass Amplifier Head, Grey (BV1001T) Ultra-high power, ultra-lightweight 2,000-Watt bass amplifier driven by 3 x 12AX7 vacuum tubes Revolutionary Class-D amplifier technology for incredible power and sonic performance 6-stage Class-A tube preamplifier for harmonically rich and vibrant tube sound Legendary optical compressor for extremely musical compression DYNAMIZER Power Management technology for ultimate punch and to capture every nuance of your playing