Maintenance such as disassembling switches and cleaning contacts was completed in 2024/10. 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. Small scratches and peeling areas can be seen on some panels. Serial JEB9594 (Fujisawa Yukishi)
Maintenance information: 2024.10.16 maintenance (each SW VOL cleaning, pin jack cleaning, glass panel peeling correction, FET defect replacement, distortion → film C replacement, push button dismantling cleaning) 2024.10.10 maintenance (refining each volume disassembly contact, assembly after applying protective grease. (Check operation with an oscilloscope)
Accessories: There are no accessories
Main specifications: 100V specification 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
26 capacitors, 22 transistors, 12 lamps, 2 gain volumes, pin jack replacement, etc. have been fully maintained! The flagship model of the Macintosh power amplifier at the time. The heavyweight frame, the refreshing blue meter, and the braking power to drive lightly even the large speakers, and the rich, rich tone are just perfect. The clarity of low frequency contours is the highest among all Mackins of all time. There are small scratches and dullness appropriate to the model year (Oikawa Tetsuji)
Maintenance information: 2026.4.30 maintained (panel dismantling, meter section cleaning, power stage transistors, driver board transistors, capacitor deterioration replacement, lamp breakdown replacement, gain volume defect replacement, AC cable replacement, pin jack deterioration replacement, internal dust cleaning, offset, bias adjustment, operation check)
Accessories: Brand new power cable, copy of instruction manual
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 prices are not applicable. 2026/4/3 sales price 598,000 yen Maintained including cabinet repair, replacement of 2 vacuum tubes, and 8 capacitors! Macintosh tubular receiver preamp The quality of the pre-section is rated as being equivalent to the C22. The thick, rich, and sticky tone is vintage McKinn itself. The main body is dull (Daiki Goto)
Maintenance information: 2026.4.3 maintained (each switch and selector contact repair · vacuum tube 6u8 deterioration replacement · vacuum tube 6U8 deterioration exchange · vacuum tube 6D10 noise exchange · block capacitor 50 μF x 4 ham noise exchange · electrolytic capacitor 10 μF other deterioration exchange and 5 additions · 2 ceramic capacitors 0.1 μF other deterioration replacement · dial thread rearrangement treatment and spring strengthening treatment · IF/RF/MPX readjustment · vacuum tube socket and RCA Jack caulking repair*Operation has also been checked with AC 100 to 117 V. Cabinet repair: exterior cleaning/repair/gloss adjustment painting)
Accessories: none
Main specifications: 117 V specification preamp input system PHONO1, 2, AUX, TAPE with FM tuner W395 x H120 x D305 mm 12.5 kg
Full maintenance has been completed, such as replacing 54 deteriorated capacitors and disassembling all switches and cleaning contacts! 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. It is a relatively beautiful individual for its age. Serial JEB8569 (Fujisawa Yukishi)
Maintenance Information: 2026.5.2 Maintained (Loudness Volume Disassembly Contact Cleaning) 2026.4.11 Maintained (Rear RCA Processor Terminal Contact Cleaning). All rotary switches, push switch disassembly, contact cleaning, and contact grease application. Men volume disassembly contact cleaning. Other volume contact cleaning. Replace 54 electrolytic capacitors. Panel lamp replacement In-panel peeling correction. The knobs are fixed by adhesive. Internal and external cleaning. (Check the operation of each input/output)
Accessories: 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
Maintenance such as disassembling all switches and cleaning contacts was completed in 2025/5. Comes with a cabinet. 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. The exterior has dents and small scratches on the wood cab. Serial EB6827 (Yonejima Satoshi)
Maintenance information: 2025.5.27 Maintained (each SW/VR disassembly contact has been repolished, 5 lamp fixing grommets, 5 lamps replaced. Front panel and knob cleaning. Each operation was confirmed, waveform confirmed, and sound output tested.) Maintained on 2012.4.26 (87 capacitors have been replaced*Nippon Chemi-Con KMG, KME, and SME are used for both capacitors. Replace 1 IC due to unstable operation. VR and SW cleaning rework. Pin jack cleaning. (Internal and external cleaning)
Accessories: copy of instruction manual
Main specifications: 100V specification 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 price not applicable) 2026/2/8 sales price 5,000 yen Macintosh exclusive pan lock mount adapter. Compatible with 10-inch and 12-inch pan-lock compatible models. There is a feeling of use on the exterior such as scratches and dullness (Asaine Tomoho)
Accessories: none
Maintained including replacement of 15 transistors, 13 capacitors, 12 lamps, and 2 volumes. 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 are small scratches and dullness appropriate to the model year (Oikawa Tetsuji)
Maintenance information: 2026.4.6 maintained (GAIN vol failure → both channels replaced
Panel meter dismantling cleaning meter display lamp replacement driver board Tr deterioration, C deterioration, power stage Trxl deterioration → replacement each connector cleaning pattern re-solder mode switching SW dismantling cleaning operation check, offset, bias adjustment)
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 price has been reduced. 2026/2/8 sales price 5,000 yen Macintosh exclusive panlock mount adapter. Compatible with 10-inch and 12-inch pan-lock compatible models. There is a feeling of use on the exterior such as scratches and dullness (Asaine Tomoho)
Accessories: none
Maintained, including volume replacement. Late wide panels. Macintosh's first power amplifier with a balanced circuit configuration. Resolution and transparency have been increased while keeping the traditional rich tone of McKinn intact. The blue meter, which can be said to be synonymous, is alive and well, and it's visually pleasing. There is peeling on the front panel, small scratches on the side, and dullness on the top plate (Oikawa Tetsuji)
Maintenance information: 2025.12.28 maintained (VOL characteristics poor in both L and RCH, → replacement meter with original vol, illumination lamp burned → replacement capacitor deterioration replacement power, meter SW internal warpage → reinforcement correction)
Accessories: instruction manual
Main specifications: 300W+300W (2/4/8Ω), 600W during MONO (2/4/8Ω) W445 x H196 x D420 mm 35 kg
Maintenance such as disassembly of all switches and contact cleaning etc. was completed 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 (Tomonori Asaine)
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
※Shipping service. Special Feature = All of the Latest Bookshelf Speakers (top) /Thinking about Audio Criticism (Sugano Okihiko) /Audio Life (Gomi Kensuke)/Published Models: PIONEER/SC-3000, SM-3000 LAX/L308 TEAC/TN-400 MICRO/MR-422, MR-622 PIONEER/CS330, CS-550 ELECTRO VOICE/SENTRY3 BOZAK/B-410 CLASSIC DUAL/DUAL701 MACINTOSH/MAC1900 JORDAN WATTS/JODRELL, JUPITER TLS GOLDRING/G820 SUPER E STANTON/60EE PICKERING/UV-15 2400Q LAX/L504, L-507 NIKKO/R-5000 JIMTEC/M-100, V-3 NAPOLEX/SS-3, ES- 100 KLIPSCH/CORNWALL GOODMANS/DIMENSION8 FISHER/ST-500, ST-530, ST-550 AIWA/AP-2050 TECHNICS/AP-2050, SL-120 ROTEL/RP-1000 GARRARD/ZERO100 THORENS/TD125MK2B MICRO/VF-6000, M-8000 TECHNICS/RS- 745U, RS-728U AIWA/AD-5500 INPERIAL/MK-1 Since the photograph is a sample, the actual product may be broken or there may be markings etc.