FONOLAB EQVES MANNVS Specialized broadband Step-Up transformer for MM/MI phono pickupSpecialized broadband Step Up transformer with 1: 2 ratio specially designed for MM MI phono cartridges. EQVES MANNVS gently raises the voltage of your cartridge to optimal values. Many MM cartridges have relatively low output voltages (1. 5 3. 0mV), which when connected to a fixed gain low gain phono stage makes it impossible to get the most out of your favorite MM cartridge. With a MANNVS Step Up transformer, you not only get quality high voltage