Maintained! ORIGINAL MODEL 7. You can enjoy the deep, exquisite balance between the glossy mid-high range tone with a high sense of transparency. For analog fans, it's a model that's been over half a century since it went on sale, but it's still one they admire. Please enjoy the glossy and indescribable atmosphere. Serial 7-20126 (Kimiya Miura)
Maintenance information: 2022.12.27 Maintained (each switch and selector contact defect repair. Balance disassembly cleaning repair. Low pressure selenium deterioration countermeasures → 4 additional diodes. 4 1W resistors replaced. 2 replacement short pins. Vacuum tube socket and RCA jack recalibration repair
*Operation has also been checked with AC 100 to 117 V (please do not change the order of vacuum tubes as much as possible (noise levels etc. are optimized))
Accessories: no accessories
Main specifications: tube type control amplifier, vacuum tube, ECC83/12AX7, 3-stage NF equalizer, NF type step switching control, W453 x H185 x D267 mm, weight 7.5 kg