Black Lion B12A MKII PreampInspired by the classic American rock sound of the original API 312A, the B12A MkII delivers the high end sound and rugged quality youd expect from B. L. A., at an amazing price! The B12A MkII is a single channel microphone preamp in the style of an API 312A, and features an upgraded input transformer, higher gain, and lower noise than the original B12A. It also features an output transformer, a Hi Z input, phantom power, pad, phase, and is housed in