The rare initial C20, which was refreshed by replacing all deteriorated main volumes, block capacitors, oil capacitors, and electrolytic capacitors in 2023, is now in stock. More than 60 years have passed since it went on sale, but it is a safe 2-year warranty. The tone has a thick, soft touch unique to Old Mackin, and vividly depicts music in the mid to high range with a different luster from C22 (Sasaki Shota)
Maintenance information: 2025.7.3 maintained (vacuum tube 12 AU7 noise exchange/resistance 1/2 W noise exchange, 6 vacuum tube socket and RCA jack re-caulking repair*operation checked with AC 100 to 117 V) 2023.3.4 maintained (starting current inspection and PSE inspection, main volume with gap replacement, 40/20/20 μF, etc., defective and deteriorated 2 electrolysis capacitors Replace 2 1000 μF for original circuits · replace with 0.1 μF or other oil capacitors and ceramic capacitors 33 · replace 4 electrolytic capacitors with 50 μF or other Sprague ones · vacuum tube 12AU7 noise exchange · lamp deterioration replacement · RCA jack and vacuum tube socket caulk repair ※ other operation checked with AC 100 to 117 V※ If the volume is moved after the power is turned on, about 1 minute is the capacitor's charge and (Graining occurs due to the effects of discharge)
Accessories: none
Main specifications: Vacuum tube used 6x4, 12AX7, 12AU7 dimensions W390 x H146 x D315 mm weight 8.3 kg