Line transformer using LUXMAN's G6670. It looks like a custom-made transformer and the details are unknown. The volume will be reduced by about 10 dB. There is wobble on the terminals (Oikawa Tetsuji)
Maintenance information: 2023.1.24 operation confirmed
Accessories: none
Main specifications: W225 x H135 x D85 mm 1.7 kg (actual measurement)