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
All main parts, such as coupling capacitors, were replaced, and all SW/VOL wiring was removed, completely disassembled, re-polished, and thoroughly maintained. A tubular control amplifier representative of Lux. It is soft and produces good mid-range sounds. As you play, the sound becomes more familiar, so I want this amplifier to stay with for a long time. Serial 20108156 (Tomoho Asaine)
Maintenance information: 2025.4.24 maintained (exterior repair/polishing/painting, power cords, fuses, diodes, lamps, coupling capacitors, electrolytic capacitors, micro SW, spark killers, headphone jacks, DIN terminals, vacuum tube sockets, headphone VOL, main VOL replacements, SW/VOL disassembly contacts repolished, and oxidized/vulcanized grease applied input/output waveforms confirmed)
Accessories: copy of the power cord instruction manual
Main specifications: vacuum tube 12AX7 x 6/12 AU7 x 1 using a tubular control amplifier Input: 2 phono system line system 3 system tape system 2 system output: 2 systems W476 x H190 x D275 mm 12 kg
Full maintenance has been completed, such as replacing 39 deteriorated capacitors, overhauling all SW types, and cabinet polishing repairs! A tubular control amplifier representative of Lux. It is soft and produces good mid-range sounds. As you play, the sound becomes more familiar, so this is an amplifier I want you to stay with for a long time. There are dark spots on the exterior (Mizusaki Ryo)
Maintenance information: 2025.5.27 Maintained (coupling capacitor, electrolytic capacitor, micro SW, spark killer, headphone jack, microphone jack, DIN terminal, vacuum tube socket, main VR replacement. All SW/VOL disassembly contacts have been re-polished, and grease has been applied to prevent oxidation and sulfidation. Micro SW wiring differences were corrected, TREBLE, BASS coaxial VR assembly defects, reassembly, lever SW construction correction, and there was a crackling sound when switching from AUX to Phono, so countermeasures were taken (1 MΩ x 2 added). (Input/output waveform check, sound output test)
Accessories: power cord, copy of instruction manual
Main specifications: vacuum tube 12AX7 x 6/12 AU7 x 1 using a tubular control amplifier Input: 2 phono system line system 3 system tape system 2 system output: 2 systems W476 x H190 x D275 mm 12 kg
The degree is good! A new-generation Lux vacuum tube control amplifier with completely new equipment, such as an exterior design and the addition of balance inputs. A masterpiece where you can enjoy a traditional design full of nostalgia and a modern sense of transparency at the same time. Serial G30600504B (Murakoshi Yoichi)
Maintenance information: 2025.6.30 Operation confirmed
Accessories: remote control, instruction manual, power cable, original box
Main specifications: Vacuum tube/ECC83S x 3, ECC82 x 5 inputs/3 lines, 1 balanced system, 1 phono system, 1 phono system, 1 recording input/output/line 2 system output/line 2 systems, power consumption 32W, W440 x H169 x D307 mm, weight 13.3 kg