The price has been drastically reduced. 2025.10.23 Sales price 238,000 yen Each volume switch has been cleaned, 6 capacitors replaced, 5 lamps have been replaced, etc., and maintenance has been carried out with attention to detail! A control amplifier representing the golden age of McKinn. Compared to the C28, I get the impression that the breadth and subtlety of the sound stands out. Even in this age, the rich, glossy tone is still alive and well, and vintage speakers play well (Daiki Goto)
Maintenance information: 2025.10.23 Maintained (each SW, VOL cleaning, lamp deterioration replacement. Auto on fuse disconnection → replacement, push button dismantling and cleaning, AC cord replacement, condenser liquid leak → replacement, pin jack cleaning, fuse holder damage → replacement, operation check (BASS, TREBLE can't take full picture).)
Accessories: manual
Main specifications: frequency characteristics 20 Hz to 20 kHz input terminals PHONO 1 · 2, AUX, TUNER, TAPE 1 · 2 W406 × H138 × D330 mm 8.6 kg
The price has been drastically reduced. 2025/11/17 sales price 148,000 yen Maintained including replacement of 27 capacitors. Exclusive power supply A33 with wood cab This is the Lux Kit brand's first tubular preamp kit. Although it is small, it also has plenty of tone controls. It has a solid sound character, and you can enjoy a warm lax sound (Sasaki Shota)
Maintenance information: 2025.11.17 maintained (contact cleaning type values for selector SW, mode SW, turnover SW, filter SW, source monitor SW. Each volume contact cleaning, power supply part, socket part, wiring break repair, headphone jack with SW, replacement due to damage, coupling capacitor leak and electrolytic capacitor deterioration replacement (x27 pieces), good installation sound test with LED pilot lamp)
Accessories: power supply A33, power cable
Main specifications: tubular control amplifier frequency characteristics 20 Hz to 20 kHz W400 x H130 x 245 mm weight 3.5 kg
The price has been drastically reduced. 2025/11/27 Sales price 118,000 yen Maintained! A classic British Quad stereo power amplifier. Small in size yet full torque. The sound, which is as deep as a tube amp, exudes an appeal that won't fade. The exterior has a feeling of use over time, such as dullness and small scratches. Serial 51928 (Takasaki Atsushi)
Maintenance information: 2025.11.26 Maintained (block condenser liquid leak → replaced with a replacement product because the original is not available, Lch board liquid leak scattering pattern leak → cleaning, resistance burn replacement. (Other C, R, TR check status OK, operation check)
2024.3.22 Maintained (internal all checks, Tr, C, R co-operation check*INPUT modification available, AC code created for cable creation)
Accessories: power cord, instruction manual (copy)
Main specifications: 45W+45W W120×H159×D324mm 8.2 kg
Maintained! The flagship model of the Macintosh power amplifier, the black version. The heavyweight frame, fresh blue meter, and large speakers drive lightly, and the rich, rich tone are just perfect. The clarity of low frequency contours is the highest among all Mackins of all time. The exterior has dirt scratches, etc. Serial JCS4855 (Tamura Eiji)
Maintenance information: 2025.11.28 Maintained (cleaned due to power supply board pattern leak. Replace the input ATT, lamp, and ground spring. Mode switch disassembly polishing cleaning protective agent application. Card edge contact and connector cleaning. Solder correction. Bias and offset checks. I checked the output sound. (*Electrolytic capacitors have been replaced)
Accessories: power cable
Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/11/8 sales price 128,000 yen Maintained! Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. The exterior has a feeling of use such as dullness. Serial 57794 (Murakoshi Yoichi)
Maintenance information: 2025.11.7 Maintained (fuse replaced. Internal transistors, capacitors, resistance values, input/output waveforms, left and right balance checks, load tests, and comprehensive operation tests. Load test (1kHz sine wave, at 8Ω load: 100W+100W), sound output test. Running test 10H) 2018.5.24 maintenance completed (internal dismantling all checks, half-short leak replacement between power stages Tr x 1E-C, replacement of servo drop resistance defects in both other driver boards, operation check)
Accessories: power cord, instruction manual (copy)
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The disposal range price has been reduced! (Member discounts are not applicable) 2025/7/30 sales price 128,000 yen Maintained! Dinaco tube preamp An American sound with an outstanding crisp, dry tone and a slight sense of extrusion. There is a feeling of use on the exterior, and there are scratches, stains, etc. due to aging. *Due to the circuit design, there is sound leakage from other inputs. (YONEJIMA Satoshi)
Maintenance information: 2025.7.30 Maintained (volume disassembly, cleaning, repair. 3 x 12AX7 vacuum tube replacement Replace 2 2000 μF electrolytic capacitors. Selenium for heaters → 4 diodes and 2 lug terminals added. 2 1/2W resistor deterioration replacements Input ground reinforcement treatment. Remove the additional fuse holder from another company → return to the original circuit and fill the hole with a rubber bushing. Vacuum tube socket and RCA jack caulk repair. Operation has also been checked with AC 100 to 117 volts. (*Since the volume of this model is a special volume with a loudness terminal, gang errors and slight noise will occur depending on the position used)
Accessories: No accessories
Main specifications: Rectifier tube 12x4, 12AX7 x 4 PHONO 1 system, 3 line systems, 1 tape system, 1 pre-out system W335 x H100 x D220 mm
※Shipping service. Special Feature = Listening and Comparing 300B Current Vacuum Tubes/Sound Altec Coaxial 409B/ Audition of 19 New High Value Amplifiers/Listen to UK DECCA, EMI, and LEAK Cartridges/Build a WE310A Line Preamp Kit/My Handicraft = Stereo Signal Divider TAD1 (Production ◎ Uesugi Yoshiro), Phono Equalizer Amplifier KSE37 (Production ◎ Koreeda Shigeharu), 300B Single Stereo Power Amplifier (Produced by Yoshio Nasu) /Published 2005.8.28. Since the photograph is a sample, the actual item may be broken or have markings etc.