Maintained. An easy-to-use entray boost transformer with 3 inputs and the ability to select 3 impedance types in addition to PASS. It is made simply and carefully, and the sound quality is well-balanced and precise, and it lifts up honestly and firmly. The exterior is dull and there are small scratches (Oikawa Tetsuji)
Maintenance information: 2023.5.18 Maintained (wiring material changed and corrected, rotary switch wiring changed (using empty terminals), contact cleaning, stator side terminals (copper) were restored with an oxide film using a reducing agent. The input/output terminal function test was good without any problems)
Accessories: none
Main specifications: primary impedance 3/10/40 ohms switchable bypass, 3 input systems, W130 x H70 x D186 mm, 2 kg