It is a “tuning model” where each vacuum tube pre-main amplifier with single-ended pure A operation was selected from 500 vacuum tubes and matched from vacuum tube pairs that were further measured according to each individual amplifier and recombined based on actual measured values! It achieves a drastic improvement in localization that you can tell the difference after just listening to it, and instantaneously invites the listener to the sound source playback space. There is a line wound where the protective cage is placed (Kanai Hidetsugu)
Maintenance information: 2023.4.22 sound output confirmed
Accessories: vacuum tube/transformer protection cage (optional product), spare vacuum tube 6J1 x 2, 6P1 x 2, instruction manual, AC adapter, original box
Main specifications: rated output 2.5 W x 2 ch compatible speakers 4 ohm to 8 ohms (2 systems) vacuum tube 6J1 x 2 6P1 x 2 (spare vacuum tubes 6J1 x 2, 6P1 x 2 included) input terminal PHONO (MM), LINE external dimensions W184 mm x H105 mm x D158 mm Weight: 1.7 kg