Check the listing for details. A Pair of MC Step up Transformer. HM-3 Hashimoto (Sansui). Condition: New. Listed at 496.76 USD. 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-3 Step-up ratio (gain): Primary series connection/20 times (26 dB), Primary parallel connection/40 times (32 dB)Shape: WE-60LMass (kg): 0.5Dimensions(mm): H:55, h:15, A:58, a:40, B:52, b:40, D(Φmm):29 Screw dimensions: M3Maximum Withstand voltage: AC250V, 1 minuteInsulation resistance (MΩ): 100 or more (at 250 VDC) Frequency characteristics: 15-50kHz(-1dB) (Secondary load resistance 4.7KΩ)Load resistance (Secondary load resistance): (Rating) 4.7K, (Recommended) 47KImpedance (Ω): (Primary series connection) 12/(Primary parallel connection) 3Insertion loss (dB): 1.5Contents: 1pcs