Tubular premain amplifier using GE 6L6GC as output tube. It is a vacuum tube amplifier that excels at fine expression and has a beautiful tone unique to Uesugi. There is a slight feeling of use such as dullness. Serial 13 (Yamato Yuki)
Maintenance information: 2025.9.8 operation confirmed
Accessories: none
Main specifications: 6L6GC x 4 · ECC83 x 2 · 6189 W x 2 20W + 20W (4 · 8 · 16 ohms) W320 x H203 x D328 mm 20 kg