Refreshed and maintained with attention to detail, such as replacing deteriorated parts! It's a beautiful item with a wooden case! An original C22, a famous machine admired by enthusiasts. The thick, soft, and strongly extruded tone is a pleasant tone that can only be experienced with an old McKinn. It has a rich tone centered around the middle range with a high concentration, and it sounds with plenty of realism. The wood case is made with a pan lock for replicas. Serial 53A03 (Murakoshi Yoichi)
Maintenance information: 2024.4.17 maintenance (front lamp wiring re-soldering procedure, AC cord, 1W and 1/2W replacement, TREBLE switching noise reduction measures → 1/4 W resistance added, RCA jack and vacuum tube socket re-caulking repair. Operation check with AC 100 to 117 V) 2016.2.5 maintenance completed (main volume disassembly and cleaning repair, EL.c40μf, EL.c100μf replacement, 2 additional diodes, RCA jack and VT socket caulking repair, parts check including Block.C OIL.C)
Accessories: none
Main specifications: 117 V specification, 4 input systems, 2 phono systems, frequency characteristics, 20 Hz to 20 kHz (± 0.5 dB), signal-to-noise ratio, 85 dB (high level), 62.5 dB (low level), distortion ratio 0.2%, W406 x H138 x D330 mm, 7.3 kg
A line preamp that uses 2 WE 310A driver tubes and 1 Golden Dragon 5U4G rectifier tube. The rich tone has a strong personality reminiscent of foreign products, and the amount of information is also attractive. It is a compact preamp that has a relatively wide range and is fully compatible with modern speakers. The exterior is slightly dull. (YONEJIMA Satoshi)
Maintenance information: 2024.4.18 Operation confirmed
Accessories: power cord
Main specifications: RCA/5R4GY x 1 WE/310A x 2 W330 x H215 x D250 mm 12.74 kg (actual measurement)
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