Genuine Electri Macintosh vacuum tube headphone amplifier It is small and has a design reminiscent of the MC240, etc. When the power is turned on, the vacuum tube is illuminated with a green LED. The power is automatically turned off when the silence continues. Although it is a specification, there is almost no sound up to the VOL center. The variable range of volume increases around the center (Kojima Yosuke)
Maintenance information: 2026.5.4 operation confirmed (operation confirmed for 6.3mm standard output only)
Accessories: instruction manual (English characters), power cord, original box
Main specifications: output impedance 32 ohms, 100 ohms, 250 ohms, 600 ohms rated output band 20 Hz to 20,000 Hz w156 x d232 x 156 mm weight 4.8 kg
The standalone model of the Macintosh Environmental Equalizer, which is rarely in stock, can be adjusted in 3 parts: 117V specification LOW, MID/HIGH. In particular, the LOW position can be controlled independently on the left and right, and there are mainly scratches and abrasions on the top plate (Kojima Yosuke)
Maintenance information: 2026.5.4 operation confirmed
Accessories: none
Main specifications: 117V specification, 3-band split environmental equalizer, LOW5 stage, MID5 stage, HIGH5 stage, W405 ✕ H78 ✕ D245 mm 2.7 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
Macintosh heavy high power amplifier. Unlike the rough McKinn sound of the past, it was transformed into a wide and clear sound. Of course, it also has a rich thickness in the mid to low frequencies, making it an attractive modern McKinn sound. The top plate is dull, and the meter is slightly yellowed. Serial JVE 1495 (Takasaki Atsushi)
Maintenance information: 2026.5.2 operation confirmed
Accessories: manual, power cord, terminal cover
Main specifications: output stereo 250W+250W (2/4/8Ω) Mono Parallel 500W (1/2/4Ω) Mono Bridge 500W (4/8/16Ω) size W445 x H240 x D376mm (knob included) weight 43.7 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
The price has been drastically reduced. 2026/4/29 sales price 448,000 yen Maintenance completed! with cabinet! This is a replica of the famous C22 from yesteryear. In addition to the luster and thickness of the tone comparable to the original, the high level of SNR compatible with current sources is attractive. The stunning art deco design with black glass panels and silver hairlines is also excellent. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.4.27 Maintained (noise suppression treatment, lamp replacement. PHONO tube replacement, each SW, VOL, tube pin, RCA jack cleaning, BASS, TREBLE contact plate cleaning, pattern correction)
Accessories: copy of instruction manual
Main specifications: 3 line inputs, 2 phono/tape inputs, 2 systems each with balanced output, use vacuum tubes 12AX7 x 4, 12AT7 x 3 dimensions W406 x H138 x D330 mm, weight 7.3 kg
*Bonnets are backordered. Refreshed and maintained, including block capacitor and electrolytic capacitor replacement in 2024! It is a famous machine with a velvet transformer, and you can enjoy rich sound with stable operation. The fresh, glossy tone in the mid to high range has a different appeal from the MC275. The exterior has dullness, scratches, etc. (Murakoshi Yoichi)
Maintenance information: 2024.11.16 Maintained (left channel output transformer rewound repair, replacement of 2 block capacitors, replacement of 3 electrolytic capacitors, replacement of thermistors, replacement of 3 resistors, vacuum tube socket and RCA jack caulking repair)
Accessories: bonnet
Main specifications: 40W+40W vacuum tube GE 6L6GC x 4, 12AX7 x 3, 12AU7x2, 12BH7 x 2 frequency characteristics 16 to 40,000 Hz dimensions W400 x D265 x H195 mm weight 25 kg
The price has been drastically reduced. 2026/3/15 sales price 498,000 yen, including replacement of 28 deteriorated capacitors, fully maintained! Gold rimmed early C20 preamp. With the thick, soft touch unique to Old Mackin, it vividly depicts music in the mid to high range, which has a different luster from C22. You can see a feeling of use such as appearance, dullness, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.3.14 maintained (5 knob internal adhesive fixing repairs, 2 40/20/20 μF, etc., hum noise replacement; 2 bridge diodes → diodes replacement; 4 electrolytic capacitors; 50 μF deterioration replacement; 19 oil capacitors; 1/2 W resistor replacement; vacuum tube socket and RCA jack caulking repair* other operation with AC 100 to 117 V (Checked)
Accessories: copy of instruction manual
Main specifications: Vacuum tube used 6x4, 12AX7, 12AU7 dimensions W390 x H146 x D315 mm weight 8.3 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
※This time, I replaced the current glass panel with a new one, but the letters don't shine brightly due to differences in structure. Each volume has been refreshed, including dismantling and polishing the switch, and capacitor replacement! 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 more attractive than the latecomer C33 and C34V, etc., and it sounds particularly well on vintage speakers in general. There are small scratches and bumps in places ※The lamp is dark, but the product is limited (Kojima Yosuke)
Maintenance information: 2026.4.10 maintained (windshield panel replacement, bridge diode deterioration replacement, push button dismantling and cleaning, auto onboard capacitor replacement, auto on fuse replacement, change from 120V specification to 100V specification, each switch and volume cleaned)
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
Each switch, lamp, volume replacement, etc. have been maintained! Preamps were sold during the heyday of analog. Compared to C29 and later amplifiers, it has a rich and glossy mid-range. This is truly a preamp representing the golden age of McKinn. There is rust and dullness. There is peeling on the center button. Serial AS3194 (Murakoshi Yoichi)
Maintenance information: 2026.4.13 maintained (each SW/VOL cleaning, lamp deterioration replacement, pin jack earth float → plating line treatment, shield cable terminal solder treatment, push button TAPE 1 and 2 dismantling cleaning, pin jack cleaning, glass panel peeling correction (push button part cannot be fixed), shield cover creation, main VOL replacement)
Accessories: instruction manual
Main specifications: input terminals, RCA4, PHONO input, 2 pre-out systems, W445 x H195 x D395 mm, 16 kg
This pan lock is used when storing an amplifier in a wooden case. Please note that I don't know which models can be used. The exterior is dull and scratched. (TAMURA Eiji)
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
Maintenance has been completed, including 21 capacitors replaced, changed to 100V specifications, and push-button SW dismantling and cleaning! It is a hidden popular model as the successor to the C26. It is an amplifier from the golden age of McKinn that is highly popular with music fans, with a sound reminiscent of a rich, thick vacuum tube sound. It makes vintage speakers sound intense. Serial BV3159 (Fujisawa Yukishi)
Maintenance information: 2026.3.13 Maintained (push switch and rotary switch disassembly contacts cleaned due to poor switch contact. Contact grease has been applied. Volume contacts have been cleaned. The electrolytic capacitor has been replaced. Front panel peeling fixed. The voltage was changed to AC 100V.
Each input/output operation was checked.)
Accessories: No accessories
Main specifications: input PHONO 1 · 2 AUX 1 · 2 TUNER TAPE 1 · 2 W435 × H188 × D395 mm 11.8 kg
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
This is a McIntosh cabinet pan lock. For small sizes. There are no visible scratches on the exterior, etc., and it is good with just the degree of dullness (Kobayashi Hitoshi)
Accessories: none
Main specifications: W30 x H110 x D305 mm 0.4 kg (actual measurement)
This is a McIntosh cabinet pan lock. For large sizes. There are no visible scratches on the exterior, etc., and it is good with just the degree of dullness (Kobayashi Hitoshi)
Accessories: none
Main specifications: W30 x H158 x D370 mm 0.7 kg (actual measurement)
This is a McIntosh cabinet pan lock. For early small sizes. Fits C22, C24, MC2505, etc. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Accessories: none
Main specifications: W35 x H110 x D325 mm 0.5 kg (actual measurement)
Maintenance has been completed, including replacing 4 capacitors, 5 lamps, disassembling and cleaning the push switch. 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 is corrosion and rust on the top plate, dents on the corners, and peeling on the front panel panlock. Electric genuine serial JEB5584 (Oikawa Tetsuji)
Maintenance information: 2026.1.17 Maintained (each SW, VOL cleaning, pin jack cleaning
Lamp replacement, semi-fixed VOL replacement, push button SW dismantling and cleaning, phono part capacitor deterioration replacement, pan lock part cannot be corrected, 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
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
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 search for the target product to be used before purchasing (Oikawa Tetsuji)
Main specifications: hole pitch 77 mm body size W33 x H106 x D385 mm (actual measurement)
※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)