Audio-Technica step-up transformer. The left and right independent transformers are shielded with a permalloy case. Impedance can be switched between 3, 20, and 40 ohms. The fact that it is equipped with 20 ohms is a nice point. (TAMURA Eiji)
Maintenance information: 2026.5.28 Operation confirmed
Accessories: none
Main specifications: MC switchable step-up transformer, primary impedance, 3/20/40 ohm switching, bypass possible, dimensions W110 x H65 x D150 mm, weight 920 g