Check the listing for details. A Pair of Hashimoto HM-X MC Cartridge Step up input Transformer. 15-100KHz. Condition: New. Listed at 712.00 USD. Price shows for One each, not for a Pair. Since the transfer of the SANSUI transformer to Hashimoto, which was carried out in 1978, was a complete transfer including technical materials and design engineers, Hashimoto Electric Co., Ltd. owns all the know-how of the SANSUI transformer for Audio amplifier. Specification Manufacturer : Hashimoto ElectronicsPart Number: HM-X Primary Impedance: Primary series connection: 12 ohm(7-40ohm) (23dB), Primary parallel connection: 3ohm (2-7ohm) (29dB)Secondary Load Impedance: 2.7Kohm Recommended 47KohmFrequency Flatness: 15-100KHz ( -1dB) see Figure attachedInsertion Loss: 1.5dBShape: WE-60LMass : 0.5Kg ea.Dimensions(mm): H:55, h:15, A:58, a:40, B:52, b:40, D(Φmm):29Screw dimensions: M3 Contents: 2pcs/pair