Bugera bvv3000 infinium valve bass amp head bugera bvp55 bugera bvv3000 infinium valve bass amp head br the bvv3000 is so much more than just raw power the all tube preamp provides tremendous tone shaping control sure you get the standard boost cut capability from the bass centred at 40hz and treble 4khz knobs but the real voice of your bass is defined by its midrange content bvv3000 s 5 position frequency selector lets you choose the centre frequency that best suits your playing s