A boost transformer designed to take advantage of SPU features. If you have an SPU, I definitely want you to use it. It lets me hear a heavy sound with high resolution and thickness in the mid to low range, which is good enough (Murakoshi Yoichi)
Maintenance information: 2024.3.2 sound output confirmed
Accessories: instruction manual
Main specifications: input impedance 1 to 6 ohms, boost ratio, 26 decibels, 2 channels, completely separate structure, triple shielded input/output terminals, rhodium plating, W160 x H105 x D112 mm, 2.3 kg