*Currently sold. This is a Luxman vacuum tube hybrid premain amplifier sold by the Mook book series by Music Friends, Inc. Stereo magazine. It has a hybrid configuration with a 12 AU7 vacuum tube for the front part and an A/B grade analog amplifier for the power section. You can easily enjoy the sound of vacuum tubes. There are light threads on the exterior (Kimiya Miura)
Maintenance information: 2023.10.5 Operation confirmed
Accessories: AC adapter
Main specifications: output 5W+5W (4Ω) input RCA2 system