MC cartridge step-up Transformer Unit Step-up Transformer Hashimoto HM-3 x 2 Frequency Response (-1dB): 15Hz to 50KHz Gain/Turn Ratio 26dB / 20:1 (in Serial) Gain/Turn Ratio 32dB / 40:1 (in Parallel) Input impedance with Output load of 47kΩ 118Ω (in Serial) 29.4Ω (in Parallel) Return Signal Line Not Grounded Compatible MC Cartridge Detail to be referred to attached photo. Audio Technica, Ortofon, Lyra, Koetsu, Sumiko Bentz Micro, Transfiguration, Denon, Dynavector