The disposal price has been reduced. Member prices are not applicable. 2025/6/26 sales price 238,000 yen Maintenance has been completed, such as capacitor replacement and switch disassembly and polishing! A control amplifier representing the golden age of McKinn. Compared to the C28, this model has a wider range and more subtlety. The rich, glossy, and thick tone is alive and well, and it plays particularly well with vintage speakers. There is a feeling of use on the exterior, such as scratches and dullness over time. Serial JBZ4959 (Yamato Yuki)
Maintenance information: 2025.6.26 maintained (each SW, VOL cleaning lamp replacement push button poor contact dismantling cleaning BASS, TREBLE direct soldering glass panel peeling correction pin jack cleaning auto onboard part capacitor replacement balance loudness replacement operation check balance knob adhesive)
Accessories: copy of instruction 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
Maintained! Deteriorated parts such as 6 lamps, 8 diodes, 4 capacitors, etc. have been replaced, each switch, volume disassembly, cleaning, etc. have been maintained! While being clear and precise, this is a powerful machine that also has the thickness and intensity of sound of successive Macintosh control amplifiers. It is a famous machine with a deep sense of nostalgia that is compatible with both vintage and modern models. Using the familiar 5-band equalizer, it is also possible to change the desired tone depending on the song. The exterior has a feeling of use such as dullness and small scratches. Serial JHD3072 (Tomonori Asaine)
Maintenance information: 2025.10.24 Maintained (illumination lamp deterioration replacement, push button LED OK, display part hidden due to rubber ring deterioration → replacement. Power supply diodes, C deterioration replacement, pin jack cleaning, each SW VOL cleaning, operation check)
Accessories: copy of instruction manual
Main specifications: built-in monitor amplifier with 5-band equalizer (20W x 2/8Ω), compatible with balanced input/output, PHONO (MM) compatible, W468 x H183 x D432 mm, 12 kg
The price has been 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 pictures)
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
Maintained. Macintosh's 2nd generation solid state preamp. Although it is a transistor, it inherits the atmosphere of a Macintosh vacuum tube sound. The rich and vivid sound unique to McKinn from this era is attractive. You can see a feeling of use such as appearance, dullness, small scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.10.24 maintenance completed (main VOL resistor plate shield treatment replacement, center CHvoL replacement shaft processing and installation replacement, each SW, VOL cleaning, panel peeling correction, lamp replacement, pin jack all plating line treatment, C, R, etc. in the board OK, operation check)
Accessories: copy of instruction manual
Main specifications: input/LINE2 system TAPE2 system PHONO (MM) 2 system output/PRE OUT2 system W445 x H180 x D350 mm (including pan lock) approx. 11 kg
The price has been drastically reduced! 2025/10/22 sales price 258,000 yen Maintained! A rare preamp sold during the golden age of Macintosh. It is a McKinn preamp with a mild impression compared to the C33, etc., and has an orthodox expression with thick mid-range and well-balanced low frequencies. Equipped with an equalizer function and many input systems, this unit is easy to handle with simple operation. On the exterior, rust can be seen behind the top plate. Also, there is some peeling on the front. Serial JDM 1386 (Tamura Eiji)
Maintenance information: 2025.10.22 maintained (panel peeling correction, each SW/VOL cleaning (main, headphone, equalizer VOL replaced) lamp switch replacement, operation check)
Accessories: No accessories
Main specifications: 5-band tone control preamp phono mm1 system line input 8 systems size W406 x H138 x D330 mm weight 8.2 kg
The price has been reduced. 2025/10/20 sales price 498,000 yen Maintained. Genuine Electri 100V specification, black model. Macintosh's high-power amplifier with stereo output and 600W on one channel. Balanced inputs are also supported, and connections to high-end class balanced amplifiers are also being considered. It is characterized by a sound with plenty of room to resonate loudly rather than being as powerful as if power was pushed to the front. There are small dullness scars (Sasaki Shota)
Maintenance information: 2025.10.20 Maintained (meter lamp off → replaced. C deterioration in the driver board → replacement. Power stage transistor check OK. Partial pattern corrosion → correction. GAIN VOL, MODESW cleaning, operation check)
Accessories: copy of the manual. power cable
Main specifications: 600W+600W (stereo) 1200W (mono) W483 x H267 x D457 mm 59 kg
The disposal price has been reduced! Member prices are not applicable. 2025/6/27 sales price 238,000 yen Maintained! A popular preamp sold during the heyday of analog. The mid-range is more glossy and has a sexier vibe than those after C29. That rich sound can truly be said to be a preamp representing the golden age of Mackins'. There are small scratches and threads on the exterior. ※The power supply has been changed to an inlet specification. Serial AK1481 (Tamura Eiji)
Maintenance information: 2025.6.27 Maintained (main volume disassembly contact polishing cleaning due to poor contact noise. Disassembly contact polishing and cleaning due to poor tone switch contact. Other switches, volume contact cleaning. Since the RCA terminals are corroded and the shape is different, all terminals have been replaced. Electrolytic capacitor replacement. A power supply circuit capacitor was added to make a hum sound. (Panel cleaning, exterior and interior cleaning.)
Accessories: power cable
Main specifications: 4 input terminals, 4 PHONO input systems, 2 pre-out systems, W430 x H140 x D365 mm, 13.8 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/8/27 sales price 238,000 yen Maintenance has been completed with attention to details such as replacing 26 capacitors and replacing lamps. A control amplifier representing the golden age of McKinn. Compared to the C28, this model has a wider range and more subtlety. The rich, glossy, and thick tone is alive and well, and it plays particularly well with vintage speakers. The exterior and front of the top plate are curved, dullness, scratches, etc., and a feeling of use can be seen (Kobayashi Hitoshi)
Maintenance information: 2025.8.26 Maintained (each SW, VOL cleaned, 5 lamps, bridge diode replaced. BASS-TREBLE direct soldering, push button dismantling and cleaning, pin jack cleaning, main VOL shaft length, angle processing correction, other pattern internal correction, cleaning (BASS and TREBLE Gari cannot be completely captured)
Accessories: copy of instruction 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 disposal price has been reduced! (Member prices are not applicable) 2025/7/19 sales price 258,000 yen In addition to replacing a total of 10 capacitors, every aspect of each SW has been cleaned and maintained! A control amplifier representing the golden age of McKinn. Compared to the C28, this model has a wider range and more subtlety. The rich, glossy, and thick tone is alive and well, and it plays particularly well with vintage speakers. There is a feeling of use on the exterior, such as line damage or dullness. Serial JBZ7967 (Jun Tamai)
Maintenance information: 2025.7.19 maintained (each SW, VOL cleaning, push button dismantling and cleaning, lamp deterioration replacement, bridge diode deterioration replacement, auto on-board capacitor replacement, glass panel peeling correction (text part not possible), pin jack cleaning, headphone noise → capacitor fluid leak replacement, some bubble noise remains when switching between BASS and TREBLE.)
Accessories: copy of instruction 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 disposal price has been reduced. Member prices are not applicable. 2025/10/18 sales price 238,000 yen Maintained including 5 lamps, balance loudness volume, lamp replacement, etc. A control amplifier representing the golden age of McKinn. Compared to the C28, this model has a wider range and more subtlety. The rich, glossy, and thick tone is alive and well, and it plays particularly well with vintage speakers. There are small scars and dullness over time (Oikawa Tetsuji)
Maintenance information: 2025.10.18 Maintained (each SW, VOL cleaning, lamp deterioration → replacement. Bad push button contact → dismantling and cleaning. No sound → LDR deterioration replacement, bridge diode deterioration replacement. BASS, TREBLE direct solder Glass panel peeling correction. Pin jack cleaning. (Sound interrupted eccentricity → replacement)
Accessories: instruction 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. 2025/10/9 sales price 398,000 yen Transistors and capacitors have been replaced, etc. Maintenance has been completed! The flagship model of the Macintosh power amplifier at the time. 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. There is strong dirt on the power cable and there is a feeling of use (Murakoshi Yoichi)
Maintenance information: 2025.10.8 Maintained (meter board connector, board contact cleaning, connector replacement. Meter display lamp replacement, power stage Tr x 2, driver board Tr, C replacement, MODE switch SW dismantling and cleaning, GAIN VOL exchange. Operation check)
Accessories: instruction manual (copy), power cable
Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg
The price has been drastically reduced! 2025/9/1 sales price 258,000 yen All switches were disassembled and maintained, such as contact cleaning, etc. in 2025/5! Macintosh's classic preamp. It reproduces clear mid-range and glossy tones. This model should be used by music fans who enjoy all kinds of sources. The full range of functions, such as a 5-band equalizer and a 7-source input selector, is also attractive. There are small scratches and partial peeling on the exterior. Serial JEB8721 (Jun Tamai)
Maintenance information: 2025.5.14 maintained (RCA terminal solder fixed push switch, rotary switch, all switches disassembly contact cleaning contact grease coating main volume disassembly contact polishing cleaning conversion board creation replacement electrolytic capacitor replacement panel lamp replacement panel peeling correction each input/output operation check)
Accessories: copy of instruction manual
Main specifications: Equalizer up and down 12dB (center frequency/30Hz/150Hz/500Hz/1.5kHz/10kHz) rated output 20W+20W (8Ω) W445 x H192 x D395 mm 11.8 kg
Maintained! Genuine Electri A 300W+300W class power amplifier introduced as a successor to the MC7300. As a matter of fact, the driving ability with a sense of stability and a rich tone with a low center of gravity are amazing. A balanced connection is also possible when combined with a C40 or the like. There are small scratches on the exterior, but they are not noticeable (Wang Zhan)
Maintenance information: 2025.10.11 Maintained (meter illumination lamp replacement. * Since the original meter lamp is not possible, it will be replaced with an 80mA type, and it will be slightly darker. (Replace 8 capacitors in the driver board and check operation)
Accessories: instruction manual, power cable
Main specifications: 300W+300W (2/4/8Ω) built-in output transformer W445 x H187 x D480 mm 35.8 kg
The disposal price has been reduced! (Member prices are not applicable) 2025/9/16 sales price 378,000 yen ※There is a slight tobacco smell. Maintained! Genuine Yamagiwa product. ※The power supply has been changed to a normal 3P inlet. The balance between thickness and sharpness of the sound is good, and the sound conveys the breath of jazz and rock. The thick sound image and rich mid-range, which cannot be enjoyed with today's amplifiers, are exquisite. The range is moderate but the Old McKinn sound has instantaneous power. The slightly smokier tone than the MC2500 is attractive. On the exterior, you can see scuffs and rust. Also, there is yellowing. (FUJISAWA KOSHI)
Maintenance information: 2025.9.16 Maintained (internal wiring corrected. Pin jack, meter lamp, power stage Tr x 1, meter adjustment VOL replacement. MODE switching SW, meter switching SW dismantling cleaning, VOL cleaning. Other C, R, etc. have been replaced. (Each connector can be cleaned and checked for operation)
Accessories: power cord
Main specifications: 300W+300W (mono 600W) 0.5 to 16 ohms W483 x H267 x D432 mm 58.1 kg
The price has been drastically reduced! 2025/8/23 sales price 258,000 yen Each volume type has been disassembled and maintained, such as contact cleaning, etc.! Macintosh's classic preamp. It reproduces clear mid-range and glossy tones. This model should be used by music fans who enjoy all kinds of sources. The full range of functions, such as a 5-band equalizer and a 7-source input selector, is also attractive. (SASAKI Shota)
Maintenance information: 2025.8.23 maintained (each SW/VOL cleaning, lamp replacement, auto on fuse switching, push button dismantling and cleaning, poor companion pot, LED x 1 off → replacement, pin jack cleaning. Assemble after refining each volume disassembly contact and applying protective grease. (Operation was confirmed with all oscilloscopes)
Accessories: copy of the manual
Main specifications: Equalizer up and down 12dB (center frequency/30Hz/150Hz/500Hz/1.5kHz/10kHz) rated output 20W+20W (8Ω) W445 x H192 x D395 mm 11.8 kg
The disposal price has been reduced. Member prices are not applicable. 2025/9/28 sales price 100,000 yen A beautifully plated original MC275 chassis. I think it's a replica item from the lettering font. It is very beautiful, so please use it for repairs (Sasaki Shota)
The price has been drastically reduced! 2025/6/28 sales price 258,000 yen Maintenance has been completed, such as glass panel peeling correction, input board capacitor replacement, etc. Macintosh's classic preamp. It reproduces clear mid-range and glossy tones. This model should be used by music fans who enjoy all kinds of sources. The full range of functions, such as a 5-band equalizer and a 7-source input selector, is also attractive. You can see a feeling of use on the exterior, dullness, rust, small scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.6.28 maintenance completed (each SW, VOL cleaning, lamp replacement, push button cleaning, pin jack cleaning, glass panel peeling correction, input board capacitor replacement, fuse replacement, operation check of each part (there is a slight gap left on the equalizer))
Accessories: copy of instruction manual
Main specifications: Equalizer up and down 12dB (center frequency/30Hz/150Hz/500Hz/1.5kHz/10kHz) rated output 20W+20W (8Ω) W445 x H192 x D395 mm 11.8 kg
The disposal price has been reduced. Member prices are not applicable. 2025/8/6 sales price 298,000 yen Maintenance has been completed, including 6 capacitors, 6 lamps, replacement, and volume disassembly and cleaning. While being clear and precise, this is a powerful machine that also has the thickness and intensity of sound of successive Macintosh control amplifiers. It is a famous machine with a deep sense of nostalgia that is compatible with both vintage and modern models. Using the familiar 5-band equalizer, it is also possible to change the desired tone depending on the song. Overall there is dullness (Oikawa Tetsuji)
Maintenance information: 2025.8.6 maintained (each SW, VOL cleaning (equalizer/OK, 1500 galliers cannot be completely removed) power supply condenser liquid leak → board cleaning, capacitor replacement, pin jack cleaning, panel clip correction, lamp switching replacement, operation check, disassembly contact refinement, protective grease application, operation confirmation with an oscilloscope)
Accessories: copy of instruction manual
Main specifications: built-in monitor amplifier with 5-band equalizer (20W x 2/8Ω), compatible with balanced input/output, PHONO (MM) compatible, W468 x H183 x D432 mm, 12 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/7/31 sales price 298,000 yen 6 lamps, 8 diodes, 4 capacitors have been replaced, each switch, volume disassembly, cleaning, etc. have been maintained! While being clear and precise, this is a powerful machine that also has the thickness and intensity of sound of successive Macintosh control amplifiers. It is a famous machine with a deep sense of nostalgia that is compatible with both vintage and modern models. Using the familiar 5-band equalizer, it is also possible to change the desired tone depending on the song*When turning the input selector and record selector, you may skip 1 time every 10 times. Since this part cannot be repaired, it is the current state (Oikawa Tetsuji)
Maintenance information: 2025.7.31 Maintained (5 balance/loudness coaxial VR and equalizer VR were refined, protective grease was applied, and operation was confirmed with an oscilloscope after assembly. Input selector sticks and doesn't move → dismantling and cleaning (sometimes one is skipped, but it's no longer compatible. (Switch structural problem) Power supply diode, capacitor failure, lamp failure → replacement, pin jack cleaning)
Accessories: none
Main specifications: built-in monitor amplifier with 5-band equalizer (20W x 2/8Ω), compatible with balanced input/output, PHONO (MM) compatible, W468 x H183 x D432 mm, 12 kg
We are carrying out maintenance such as replacing transistors and cleaning contacts in 2023. The Macintosh 7000 series stereo power amplifier was announced to coincide with the advent of the CD era. The thick and gorgeous sound typical of the company is attractive. Dullness over time, there are small scars (Murakoshi Yoichi)
Maintenance information: 2023.6.21 maintained (power stage Tr x 1 defective disconnection, diode disconnection, driver Tr x 2 failure, lamp switching replacement, power supply board capacitor deterioration replacement, SW, VOL cleaning, each connector cleaning, driver board capacitor, resistance, etc., panel peeling correction)
Accessories: instruction manual (copy)
Main specifications: 270W+270W power guard circuit equipped with frequency characteristics 20 to 20 kHz damping factor 30 W 443 x H240 x D400 mm 37.2 kg
※Shipping service. No. 58 Special Feature = 3rd <THE STATE OF THE ART SUPREME COMPONENT> AWARD SELECTION/ NEW JBL4345 Detailed Report/ EMT927VS Torrence Reference/Listen to Tannoy SRM Series/Infinity “IRS” Anatomy/1981.4.15 issue. Published models: JBL/4345BWX MCINTOSH/MC2500 VICTOR/TT-801, CL-P10, TS-1 MICRO/SX-8000, HS-80 ONKYO/INTEGRA P-309, INTEGRA M-509 MARK LEVINSON/ML-6AL AUDI-TECHNICA/AT-34E11 ENTRE/EC-30 SME/3012-R SPECIAL TECHNICS/EPC-C100CMK3 FIDELTY RESEARCH/XF-1 SELLESION/DITTON300 KEF/MODEL105.4 KENWOOD/L-08C, L-08M PIONEER/A-980 SANSUI/AU-D907F SONY/TA-AX8 LO-D/TU-1000 LUXMAN/PD300 ADC/ASTRION LINN/ASAK/ S56.4.15 issued. Since the photograph is a sample, the actual item may be broken or have markings etc.
This pan lock is used when storing an amplifier in a wooden case. The models that can be used are not known here, so please carefully check the target product to be used before purchasing. Exterior, paint peeling, rust, dullness, and feeling of use can be seen (Kobayashi Hitoshi)
Accessories: none
Main specifications: hole pitch 77 mm, rail length 143 mm, body size W33 x H106 x D325 mm (actual measurement)
This pan lock is used when storing an amplifier in a wooden case. The models that can be used are not known here, so please carefully check the target product to be used before purchasing. You can see the exterior, dullness, paint peeling, abrasions, etc. (Kobayashi Hitoshi)
Accessories: none
Main specifications: hole pitch 132 mm body size W32 x H155 x D345 mm (actual measurement)