A late model of the C20 that underwent full maintenance from the 2023/12 condenser to the main VOL replacement. Among Mackin's control amplifiers, this is a popular gem with a particularly rich, glossy tone. Not only jazz, but also the vocal sounds are excellent. The unique, rich, and highly artistic tone shows a particularly good compatibility with vintage speakers. Exterior, front panel characters disappear a lot, dullness, small scratches, abrasions, etc., and there is a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.4.2 maintenance completed (1/2 W resistor replacement and 3 noise countermeasures replaced) 2023.12.19 maintenance (vacuum tube 6X4, block capacitor, electrolytic capacitor, film capacitor, oil capacitor, resistor, main volume replacement. Gang error correction resistance 1/2 W added, switching noise reduction resistance 1/4 W added. RCA jack and vacuum tube socket caulk repair, operation check.)
Accessories: none
Main specifications: tubular phono 2 system phono equalizer curve variable use vacuum tube ECC83 x 5 ECC82 x 2 EZ90 x 1 W440 x H165 x D316 mm 8.7 kg
Ishino Lab's control amplifier that uses a rectifier tube for the power supply unit. Although it is a small and long body, it is a car with excellent cost performance, such as separating the power supply part and installing an MC transformer compatible with a wide range of cartridges. The output is also equipped with RCA balance. The exterior is dull (Tamura Eiji)
Maintenance information: 2024.4.17 operation confirmed
Accessories: instruction manual, power cable, connection cable
Main specifications: 2 phono systems, LINE1 system amplifier part: W250 x H75 x D230 mm weight 2.2 g power supply unit: W150 x H75 x D230 mm weight 2.8 kg