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Manufacture | Model/Title | Price | Arrival date

MC7150U.S.A

Ask 25-48470-26249-00
MC7150
Manufacture:McIntosh
Original price: JPY 350,000
Price: JPY 236,364
U.S.A 1991 made
Shop: Osu shop
Arrival: 2026-01-21 20:25:31
description
The disposal price has been reduced. Member prices are not applicable. 2026/1/21 sales price 278,000 yen meter brand new replacement! Maintained! Genuine Electri 100V specification. Although it is an intermediate aircraft, it inherits the technology of the MC2600. It's a power amplifier that makes you fully feel like a Macintosh even when the volume is low. The balance is good, and the combination with modern speakers is also good. It has been changed to a speaker terminal replacement (Daiki Goto) Maintenance information: 2026.1.21 maintained (meter dial discoloration, small cover crack due to deterioration → both replaced with new products, speaker terminal damaged → replaced with a replacement product because the original is not available, the shape changes slightly) power stage Tr check, partial pattern corrosion correction, C deterioration in the driver board, meter, illumination lamp replacement, each connector cleaning) Accessories: copy of the manual Main specifications: output 150 W+150 W (impedance 2, 4, 8 ohms), damping factor 40 or more, power guard, 1 kHz, overdrive up to 14 dB at 1 kHz, THD within 2%, W445 x H145 x D416 mm, weight 29 kg

MIMESIS 28MESwitzerland

Ask 26-48596-00297-00
MIMESIS 28ME
Manufacture:GOLDMUND
Original price: JPY 1,480,000
Price: JPY 425,455
Switzerland 2002 made
Arrival: 2026-01-07 20:05:09
description
The disposal price has been reduced. Member discounts are not applicable. 2026/1/7 sales price 698,000 yen 2023/11 maintenance completed. This is a Millennium Evolution model with digital characters flowing on the front panel. Genuine Stellar This is a rare power amplifier that combines high performance with beautiful sound, and musicality is felt in the high resolution power unique to high-end models. In addition to the exterior and pilot lamp being slightly dark, there are slight abrasions on the front panel, side, and rear heat sinks (Kobayashi Hitoshi) Maintenance information: 2026.1.7 operation confirmed 2023.11.22 maintenance completed (Rch output relay replacement, operation and characteristics confirmed, running test interior and exterior cleaning) Accessories: Power cable (external product) Main specifications: 200W+200W (2 to 8 ohms) maximum 500W W440 x H173 x D410 mm 40 kg

AUDIA FLS4Italy

Ask 26-48833-02224-00
AUDIA FLS4
Manufacture:AUDIA FLIGHT
Original price: JPY 1,700,000
Price: JPY 596,364
Italy
Arrival: 2026-01-29 20:06:01
description
The price has been drastically reduced. 2026/1/29 sales price 798,000 yen genuine Irex product. A stereo power amplifier using AUDIA's own current feedback circuit and a powerful power supply circuit. Even though it has a very high resolution, you can listen to it clearly, and you can enjoy classical music, vocals, etc. in all genres with plenty of volume of bass (Murakoshi Yoichi) Maintenance information: 2026.1.29 sound output confirmed Accessories: original box (wooden box), instruction manual, power cord Main specifications: full balance circuit configuration 200W+200W (8Ω) 400W+400W (4Ω) 700W+700W (2Ω) gain 29dB W450 × H177 × D440mm 34 kg

B-2XJapan

Ask 26-48589-00269-00
B-2X
Manufacture:YAMAHA
Original price: JPY 270,000
Price: JPY 134,545
Japan 1983 made
Arrival: 2026-02-04 20:06:34
description
Detailed maintenance has been completed, such as fixing all soldering on each circuit board and exchanging the input volume. A class-grade power amplifier with 200W x 200W (6Ω) pure A class operation. This model was particularly popular among domestic power amplifiers at the time. Even when I listen to it now, it has a rich sense of volume, and the sense of scale is sufficient. The smooth high frequencies are also effective, and there is no fatigue and it is attractive. Exterior, paint deterioration, rust, dullness, scuffs, etc. can be seen (Kobayashi Hitoshi) Maintenance information: 2026.2.3 maintained (power supply circuit main amplifier and all other circuit board soldering corrected, power switch created and installed. Input volume exchange. Electric circuit DC adjustment, idling current adjustment. (Original foot installation) Accessories: copy of instruction manual Main specifications: 240W+240W (4Ω) 200W+200W (6Ω) 170W+170W (8Ω) SNR 124 dB W435 x H165 x D422 mm 26 kg

606UK

Ask 26-48738-01519-00
606
Manufacture:QUAD
Original price: JPY 220,000
Price: JPY 72,545
UK 1986 made
Shop: Osu shop
Arrival: 2026-02-04 20:04:11
description
Maintained! The 606 is thick and unimaginable from its compact exterior. The good sound unique to QUAD allows you to enjoy not only classical music, but also jazz vocals in a mild way. The high level of musicality that makes you enjoy the music with a pleasant tone stands out. Non-genuine legs are attached to the exterior, and the urethane coating on the exterior has deteriorated, faded white, and some paint has peeled off (Mizusaki Ryo) Maintenance information: 2026.2.4 maintained (pin jack replacement, other power transformers → transformer mounting part dismantled rubber part replaced. (All checks on both power stages and drive stages) Accessories: power cable, copy of instruction manual Main specifications: output 140W+140W (8Ω) W321×H155 (including feet) ×D238mm 12kg

V3

Ask 26-48610-00417-00
V3
Manufacture:FOSI AUDIO
Price: JPY 7,273
Arrival: 2026-02-04 19:59:06
description
Currently sold. FOSI AUDIO digital power amplifier with volume It uses a TI TPA3255 Class D power amplifier chip and is small yet boasts a large output of 300W x 2. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi) Maintenance information: 2026.1.25 Operation confirmed Accessories: power cable Main specifications: W166 x H35 x D105 mm 1.14 kg

MC7270U.S.A

This item has been sold.You can't purchase now. 26-48703-01217-00
MC7270
Manufacture:McIntosh
Original price: JPY 680,000
Price: JPY 270,909 Sold Out
U.S.A 1985 made
Shop: Osu shop
Arrival: 2026-01-29 20:05:55
description
The Macintosh 7000 series stereo power amplifier was announced to coincide with the advent of the CD era. It seems to be the core model at the time, and it drives a large speaker with unique sweet and sticky sound quality, and the thick and gorgeous sound typical of the company is attractive. There is a dull feeling of use, but there are no noticeable scratches (Sasaki Shota) Maintenance information: Maintained at Macintosh Japan on 2011.2.11 (100V specification change, windshield panel, bubble repair, volume repair, drive board connector, disassembly, repair, drive board DC bias adjustment parts, inspection operation test) Accessories: copy of the manual Main specifications: 100V specification 270W+270W power guard circuit equipped frequency characteristics 20 to 20 kHz damping factor 30 W 443 x H240 x D400 mm 37.2 kg

MC7300U.S.A

Ask 26-48847-02338-00
MC7300
Manufacture:McIntosh
Original price: JPY 650,000
Price: JPY 326,364
U.S.A 1991 made
Arrival: 2026-02-02 20:07:48
description
The price has been reduced. 2026/2/2 sales price 378,000 yen Maintenance was carried out in 2016, including the replacement of a new windshield panel. 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. Dullness and a feeling of use can be seen. Serial JGP2960 (Fujisawa Yukishi) Maintenance information: 2026.2.2 operation confirmed. 2016.8.10 Maintained (glass panel, panel bottom rail replacement. C, R, etc. check, lamp status OK. Each SW and VOL cleaning. Operation check) Accessories: instruction manual Main specifications: 300W+300W (2/4/8Ω), 600W during MONO (2/4/8Ω) W445 x H196 x D420 mm 35 kg

No.333LU.S.A

Ask 26-48721-01361-00
No.333L
Manufacture:Mark Levinson
Original price: JPY 1,650,000
Price: JPY 350,909
U.S.A 1995 made
Arrival: 2026-01-19 20:29:34
description
The disposal price has been reduced! Member prices are not applicable. 2026/1/19 sales price 498,000 yen including 58 deteriorated capacitors replaced and maintained! High-end model of the No. 330 series. Sound quality full of powerful driving power and a fresh sense of energy. The 38cm woofer drives exactly, and the center of gravity drops rapidly to the lowest range. As for the exterior, there are threads and small scratches on the top plate. Serial 2365 (Fujisawa Yukishi) Maintenance information: 2026.1.19 Maintained (58 deteriorated capacitors, 2 resistors replaced. DC voltage/DC offset voltage/idling current/other adjustments and inspections) Accessories: balance short pin Main specifications: effective output 300W x 2 (8Ω) /600W x 2 (4Ω) input RCA1 system/XLR1 system SP terminal 1 system W446 x H262 x D479 mm 64 kg

P4500Japan

Ask 26-48590-00280-00
P4500
Manufacture:YAMAHA
Original price: JPY 165,000
Price: JPY 43,455
Japan 1998 made
Arrival: 2026-01-12 20:28:41
description
The disposal price has been reduced. Member discounts are not applicable. 2026/1/12 sales price 59,800 yen ※For business use, it will be handed over as is. Yamaha PA stereo power amplifier. The sound with excellent durability and no peculiarity is popular. You can see a feeling of use such as exterior, dullness, curved rear fittings, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2026.1.9 sound output confirmed Accessories: copy of instruction manual Main specifications: 450W+450W (8Ω) 600W+600W (4Ω) 120W (BTL) damping factor 200 W 480 x H103.5 x D455 mm 16 kg

A-75Japan

Ask 26-48881-02752-00
A-75
Manufacture:Accuphase
Original price: JPY 1,300,000
Price: JPY 1,090,909
Japan 2018 made
Arrival: 2026-02-03 20:26:04
description
Comes with original box Accuphase's flagship stereo power amplifier A-75 is now in stock. The pinnacle model incorporating the A-250's superior technology. It achieves ultra-low noise of 128 dB (when gain is -12 dB), which is 1 dB higher than the previous model A-70, and uses a power MOSFET that has a reputation for sound quality and reliability, so you can enjoy supple and detailed sound with a high degree of perfection. The driving power is sufficient even for standalone stereo operation, but it can be upgraded to a majestic sound with a bridge connection. The exterior is also good with no particularly noticeable scratches. Serial J8Y205 (Murakoshi Yoichi) Maintenance information: 2026.2.3 sound output confirmed Accessories: power cable, instruction manual, original box Main specifications: stereo power amplifier pure A grade operation rated output 60W+60W (8Ω), 480 w/ch 1Ω load to 60 w/ch 8Ω load input RCA1, XLR1 speaker output 2 system damping factor 1000 impedance 2 to 16 Ω (when stereo specification) S/N ratio 122 dB (GAIN switch MAX) 128 dB (GAIN switch - 12 dB) W465 x H238 x D515 mm 43.9 kg

P1000SJapan

This item has been sold.You can't purchase now. 26-48838-02265-00
P1000S
Manufacture:YAMAHA
Original price: JPY 60,000
Price: JPY 13,636 Sold Out
Japan 2005 made
Arrival: 2026-02-02 20:03:19
description
*Currently sold. The sound quality is clean, fresh, and light, and the sound is firm and crisp. The sound development is such that the image that comes to mind when using the word YAMAHA for commercial use fits perfectly. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2026.1.30 Operation confirmed Accessories: none Main specifications: stereo output 105W+105W (4Ω) 100W+100W (8Ω) bridge output 210W (8Ω) frequency characteristics 20Hz-50kHz damping factor 200 input terminal XLR/phone output terminal 5WAY binding post power consumption 150W W480 x H880 x D456mm 12 kg

SA-4600Japan

This item has been sold.You can't purchase now. 26-48838-02266-00
SA-4600
Manufacture:ARIA
Price: JPY 13,636 Sold Out
Japan
Arrival: 2026-02-02 20:03:14
description
※There is a slight gap left, but this is the current situation. ARIA commercial power amplifier. It is characterized by a strong, extrusive sound, has low-frequency grip, and is a talented person who can make a large speaker. In addition to the exterior and panel discoloration, you can also see a feeling of use such as dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2026.1.30 Operation confirmed (some gaps remain) Accessories: none Main specifications: 200W+200W (8Ω) 300W+300W (4Ω) W482 × H131 × D409 mm 17.6 kg (actual measurement)

P-35/2Japan

This item has been sold.You can't purchase now. 26-48609-00410-00
P-35/2
Manufacture:CHRISKIT
Original price: JPY 36,000
Price: JPY 27,091 Sold Out
Japan
Arrival: 2026-01-31 20:04:45
description
Currently sold. A second-generation version of a masterpiece kit model designed by Hideya Masutani that won the hearts of self-made enthusiasts. The clear, fresh, and intense mid-range tone has an appeal that exceeds the price. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2026.1.25 Operation confirmed Accessories: none Main specifications: 35W+35W W335×D210×H155mm 6kg

AMPZILLA 2aU.S.A

This item has been sold.You can't purchase now. 25-89025-26140-00
AMPZILLA 2a
Manufacture:GAS
Original price: JPY 499,000
Price: JPY 86,182 Sold Out
U.S.A
Arrival: 2025-12-20 19:50:19
description
The disposal price has been reduced! (Member prices are not applicable) 2025/12/20 sales price 148,000 yen ※ It is cheap because the meter is defective on one side (there is a meter difference between the left and right, and the starting position is not 0) Maintained! The final model of Ampzilla. A representative American sound with strong, tight low frequencies! The dry, clean-sounding character is the perfect match for vintage speakers of yesteryear. This is a masterpiece machine that briskly drives famous speakers from JBL and Altec. The exterior is dull and dirty. The fuse holder has been replaced with a black one. Serial 104730 (Tamura Eiji) Maintenance Information: 2025.12.3 Maintained (fuse holder replaced. Meter switch disassembly contact cleaning. (*The internal movement of the meter was poor, and the meter was disassembled, but repairs were not possible) 2022.5.12 Maintained (fuse holder lock claw adjustment. Replace the fuse. 0 point meter adjustment Offset voltage, idling current adjustment. (Other internal inspection voice check) Accessories: No accessories Main specifications: 200W+200W (8Ω) perfect balance configuration W445 × H178 × D229 mm 22.7 kg

MC402U.S.A

This item has been sold.You can't purchase now. 25-48541-26929-00
MC402
Manufacture:McIntosh
Original price: JPY 850,000
Price: JPY 498,182 Sold Out
U.S.A 2002 made
Arrival: 2026-01-30 20:09:24
description
Maintained including panel cleaning! Genuine Electri Hyundai Mackin stereo power amplifier. It delivers 400W of high power from a traditional blue and black face. You can enjoy an attractive sound with a delicate and high degree of transparency added to the plump and sticky low frequencies. The exterior is slightly dull, but generally in good condition (Tomoho Asaine) Maintenance information: 2026.1.30 maintained (panel dismantling, blue acrylic plate, adhesive peeling, panel cleaning, power supply, board, FET deterioration replacement, each SW cleaning, LED cutless operation check) Accessories: instruction manual power cord Main specifications: Complete quad balance circuit output 400W+400W (stereo), 800W (mono parallel) wide range output autoformer input/RCA1 system, XLR1 system W445 x H240 x D508 mm 50 kg

SM6100SAJapan

Ask 26-48704-01227-00
SM6100SA
Manufacture:marantz
Original price: JPY 36,800
Price: JPY 16,182
Japan 2000 made
Shop: Osu shop
Arrival: 2026-01-29 20:00:39
description
*Currently sold. A simple power amplifier for a variety of applications. You can enjoy the soft, supple, delicate Marantz sound with good SN (Sasaki Shota) Maintenance information: 2026.1.29 Operation confirmed Accessories: power cable Main specifications: 50W+50W (8Ω) WBT SP terminal W440 x H124 x D320 mm 7.5 kg

SM-6Japan

Ask 25-48535-26899-00
SM-6
Manufacture:marantz
Original price: JPY 128,000
Price: JPY 81,636
Japan 1979 made
Shop: Osu shop
Arrival: 2026-01-16 20:00:56
description
The price has been drastically reduced. 2026/1/16 sales price 99,800 yen Maintenance has been completed, including 8 power transistors and 4 diodes replaced! It hasn't arrived in a long time, and this one comes with a self-made sidewood. There are no genuine wood cabinets. A power amplifier that allows you to enjoy glossy, intense A grade sound and powerful AB grade sound. It has sufficient playback bandwidth, is thick in the mid and low frequencies, has good sound separation, and makes me listen to jazz and rock in a very pleasant way. There is a wound on the wood cabinet (Sasaki Shota) Maintenance information: 2026.1.16 Maintained (internal check. Both power stage Tn channels are short. Partial resistance burn, diode short. Other power SW internal contact burn → dismantling and correction. Power relay contact failure → polishing. Drive stage pattern crack → re-solder gain vol cleaning) Accessories: none Main specifications: 120W+120W (AB grade) 30W+30W (A grade), W416 x H146 x D332 mm 14.5 kg

303UK

Ask 25-48450-26144-00
303
Manufacture:QUAD
Original price: JPY 110,000
Price: JPY 107,273
UK 1967 made
Arrival: 2025-12-20 19:58:42
description
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. You can see a feeling of use, such as appearance, dullness, small scratches, etc. Serial 15733 (Yamato Yuki) Maintenance information: 2025.6.7 maintenance completed (dismantling check, constant voltage drive Tr/Rch power stage Tr co-exchange, DC cut C/gain setting C co-exchange, operation check, bias/medium point output adjustment) Accessories: copy of the instruction manual, power cord, connection cord Main specifications: 45W+45W W120×H159×D324mm 8.2 kg

MC2205U.S.A

This item has been sold.You can't purchase now. 26-48784-01832-00
MC2205
Manufacture:McIntosh
Original price: JPY 788,000
Price: JPY 270,909 Sold Out
U.S.A 1975 made
Arrival: 2026-01-26 20:10:52
description
Maintained in November 2022! *The meter lamp etc. have been converted to LEDs, and it has a vivid appearance. A masterpiece transistor type power amplifier from McKinn's heyday. The powerful, rich, and thick tone is a popular gem among jazz fans of yesteryear. The sound combined with speakers such as the 4343 is exceptional. There are some scratches and dirt marks on the exterior. Also, there are places where it looks like the lamp is not attached due to color loss (Tomoho Asaine) Maintenance information: 2022.11.12 Maintained (lamp socket internal correction. Speaker relay contact cleaning. Power stage Tr x 4 deterioration, driver board, meter, and power supply capacitor deterioration, SP terminal LCH replacement (screws become + screws), connector pattern re-soldering, contact cleaning. (Power SW/SPSW internal crack reinforcement/correction) Accessories: copy of instruction manual, original box (different serial) Main specifications: 200W+200W (1/2/4/8 ohms), equipped with an attenuator on the front, input sensitivity 0.75/2.5V, W411 x H181 x D368 mm, 38.6 kg

303UK

Ask 26-48625-00574-00
303
Manufacture:QUAD
Original price: JPY 110,000
Price: JPY 107,273
UK 1967 made
Arrival: 2026-01-12 20:30:17
description
Maintained in April 2021! It comes with a variable gain VOL, making it easier to use. 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. You can see a feeling of use such as appearance, dullness, scratches, etc. (Kobayashi Hitoshi) Maintenance information: 2026.1.10 operation confirmed 2021.4.30 maintenance completed (input/output panel replacement, RCA terminal volume installation, input/output waveform confirmation, left and right balance confirmation, comprehensive operation test) Accessories: instruction manual, power cord, connection cord Main specifications: 45W+45W W120×H159×D324mm 8.2 kg

303UK

Ask 25-48176-23952-00
303
Manufacture:QUAD
Original price: JPY 110,000
Price: JPY 107,273
UK 1967 made
Arrival: 2025-11-27 20:00:57
description
Maintained! The output volume has been added to enable detailed gain control with QUAD33. 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

LA90

Ask 25-48347-25308-00
LA90
Manufacture:TOPPING
Price: JPY 45,273
Arrival: 2025-12-09 19:53:26
description
The disposal price has been reduced. Member discounts are not applicable. 2025/12/9 sales price 69,800 yen. TOPPING's power amplifier is tuned for extremely clear and accurate sound. You can enjoy it regardless of genre. The appearance is fine, with no noticeable scratches, etc. (Kobayashi Hitoshi) Maintenance information: 2025.12.9 operation confirmed Accessories: instruction manual, original box, jumper cable, AC adapter Main specifications: stereo: 4Ω/120W 8Ω/66W mono: 4Ω/180W 8Ω/220W W220 x H90 x D205 mm approx. 3 kg (actual measurement)

MC7300U.S.A

Ask 25-48275-24706-00
MC7300
Manufacture:McIntosh
Original price: JPY 650,000
Price: JPY 326,364
U.S.A 1991 made
Shop: Osu shop
Arrival: 2025-12-28 20:27:25
description
The price has been reduced. 2025/12/28 sales price 378,000 yen Maintained including volume exchange. 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

405UK

Ask 26-48625-00577-00
405
Manufacture:QUAD
Original price: JPY 198,000
Price: JPY 90,727
UK 1975 made
Arrival: 2026-01-11 20:02:17
description
The disposal price has been reduced. Member discounts are not applicable. 2026/1/11 sales price 128,000 yen Maintenance completed in 2013/1. 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. Exterior, dullness, chipping, bruises, abrasions, etc. can be seen (Kobayashi Hitoshi) Maintenance information: 2026.1.10 operation confirmed 2013.1.18 maintenance completed (each inspection adjustment, RCA terminal installation, VR replacement input/output, balance waveform measurement operation confirmed) Accessories: power cable, copy of instruction manual Main specifications: 100W+100W frequency characteristics 20 to 20 kHz W341 x H115 x D195 mm 9 kg

MC2300U.S.A

Ask 25-48005-22411-00
MC2300
Manufacture:McIntosh
Original price: JPY 858,000
Price: JPY 294,545
U.S.A 1971 made
Arrival: 2025-12-13 20:12:19
description
The price has been drastically reduced! 2025/12/13 sales price 398,000 yen Maintained! 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. Serial 3Y916 (Fujisawa Yukishi) Maintenance information: 2025.12.13 Maintained (each replaced due to defective and deteriorated input volume, meter lamp, speaker terminal, and RCA jack. Missing screws added, damaged screws and feet replaced. SW type cleaning. Bias and offset checks. Output audio check) Accessories: copy of instruction manual, power cord Main specifications: 300W+300W (mono 600W) 0.5 to 16 ohms W483 x H267 x D432 mm 58.1 kg 

TA-N86Japan

Ask 16-06415-02157-00
TA-N86
Manufacture:SONY
Original price: JPY 90,000
Price: JPY 90,727
Japan 1978 made
Arrival: 2025-12-24 20:07:24
description
The disposal price has been reduced. Member prices are not applicable. 2025/12/24 sales price 128,000 yen 32 capacitors have been replaced, switches have been disassembled and cleaned and maintained! This amplifier has a reputation for use in multiple systems. The original powerful sound, which has a wide range and is clear, has been revived. It is thin and can be used for a wide range of purposes, from sub to multi-use. The exterior has noticeable rust stains on the top plate (Mizusaki Ryo) Maintenance Information: 2025.12.24 Maintained (Electrolytic Capacitors, Tantalum Capacitors, Semi-fixed Resistors, Lamps, Cushions Replaced. Disassemble and clean the slide switch. Clean the housing, panel, and rear terminals. (Each part has been readjusted) Accessories: copy of instruction manual Main specifications: 80W+80W (B grade) 18W+18W (A grade) DC amplifier configuration W480 x H80 x D380 mm 8.6 kg

MC2500U.S.A

Ask 25-48033-22655-00
MC2500
Manufacture:McIntosh
Original price: JPY 1,180,000
Price: JPY 326,364
U.S.A 1980 made
Arrival: 2025-11-28 19:53:05
description
The price has been drastically reduced! 2025/11/28 sales price 398,000 yen Maintained! The flagship model of the Macintosh power amplifier, the black version. 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. 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, and 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

405UK

Ask 25-48257-24595-00
405
Manufacture:QUAD
Original price: JPY 198,000
Price: JPY 90,727
UK 1975 made
Shop: Osu shop
Arrival: 2025-12-11 20:41:32
description
The disposal price has been reduced. Member prices are not applicable. 2025/12/11 sales price 128,000 yen The input terminal, 4 capacitors, 7 resistors have been replaced, etc. Maintenance has been completed. 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. There are scratches on the top plate and sides, paint peeling, etc. (Oikawa Tetsuji) Maintenance Information: 2025.12.11 Maintained (INPUT pin jack replaced DIN connector without wiring → rewiring TN check in both channel boards OK gain setting C, DC cut C replacement, some resistors NG → replacement) Accessories: power cable Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg

405UK

Ask 17-12670-67047-00
405
Manufacture:QUAD
Original price: JPY 198,000
Price: JPY 90,727
UK 1976 made
Arrival: 2025-11-19 19:54:52
description
The disposal price has been reduced! (Member discounts are not applicable) 2025/11/19 sales price 128,000 yen Maintained! RCA and VOL have been added, so it's easy to use. The exterior is painted black. 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 is dull and has small scratches over time. Serial 8508 (Yonejima Satoshi) Maintenance information: 2025.11.19 Maintained (internal all inspection → Lch power stage Tr, gain setting C, INPUT VOL replacement. DIN SP rewiring, first drive IC OP AMP replacement) Accessories: power cord Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
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