* This is a high-end model produced in limited quantities that has improved sound quality by customizing the main internal parts and the attached vacuum tube to high sound quality parts based on the currently sold product TUB-00J. An OPA627AU manufactured by Burr-Brown is used, and a 6J1 military high-precision sorting grade vacuum tube is included as standard, and significant improvements in sound quality, such as sound spread, have been achieved. AC adapter (sold separately) is not included. (TAKAHASHI Nobuyuki)
Maintenance information: 2026.4.29 Operation confirmed
Accessories: original instruction manual box
Main specifications: small vacuum tube line amplifier vacuum tube 6J1 ✕ 2 H30 mm (maximum 60 mm including vacuum tube) x W95 mm x D99 mm weight 275 g