SANSUI AU-7700/au7700 用 トランス m0o2947,Sansui AU-7700 Stereo Amplifier : Back To Life Again : NoobowSystems Lab.,Sansui AU-7700 Stereo Integrated Amplifier - Muse Audio Service,Sansui AU-7700 and TU-7700 Photo #1235733 - US Audio Mart,Sansui AU-7700 and TU-7700 Photo #1235733 - US Audio Mart