Hashimoto Electric Co., Ltd. owns all the know-how of Sansui Transformers because the transfer of SANSUI transformers to Hashimoto in 1978 was a complete transfer including technical materials and design engineers. Specification Part NumberHWC-30-8Rated Output Power (W)30W at 50HzPrimary Impedance8KΩSecondary Impedance4,8,16ΩSG tap 　ProvidedFrequency Range 10Hz～50kHz (+-2dB)Insertion Loss0.2dBPrimary Inductancew/ Applied CurrentBalance 160H Unbalance 120HMaximum Allowable DC CurrentBalance 160mA Unbalance 5.0mAOutline typePL-85BSize (AxBxH : refer to Drwg.)90 x 90 x 83　Screw Size (mm) Weight　2.0KgTubes to be matched with6L6GC, 6BQ5, 6F6, 6V6, KT-66