Stomp Under Foot Black Russian Vintage MiniMaker: Stomp Under Foot Model: Black Russian Condition: New Description: With its perfect amount of low end and gritty fuzz, the Black Russian is a favorite among muff users. This version is based on the second iteration, which features BC547 transistorscontributing to its distinctive grit and character. Features: Custom 4"x5" Enclosure BC547 Transistors Russian Style Knobs True Bypass NOS Through Hole Components 9V Battery or 2. 1 9V Adapter Only