FLEA47 Tube Microphones Actually this mic is an exact replica of the U47. It is equipped with F7 capsule – our exact replica of M7 capsule, our replica of BV8 transformer and TELEFUNKEN EF12 or VF14 tubes or Andreas Grosser EF12ER tubes. In fact, EF12, EF14, UF14 or VF14 are the same tubes with different [...]