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Manufacture | Model/Title | Price | Arrival date

B-2Japan

Ask 05-21253-54127-00
B-2
Manufacture:YAMAHA
Original price: JPY 200,000
Price: JPY 161,818
Japan 1976 made
Arrival: 2025-09-03 20:04:49
description
The price has been drastically reduced. 2025/9/3 sales price 198,000 yen Maintained including replacement of 94 transistors, 33 capacitors, and 14 semi-fixed resistors! The diamond called Yamaha FET shows off its excellent purity and transparency. It is a model with superior musical expression than the late model B-2X, and the natural sound typical of Yamaha at the time is attractive. The exterior has small scratches over time, rust spots, etc. (Oikawa Tetsuji) Maintenance information: 2025.9.3 Maintained (output relay replacement, long test) 2024.12.26 Maintained (transistors have been replaced to some extent before. Replace the drive transistor etc. that have not been replaced. Bad relay contact replacement. Switch contact polishing. Meter level adjustment. amplifier circuit adjustment. Polish the input terminals, etc. (Internal dismantling and cleaning) 2017.2.6 Maintained (resistor, diode, transistor, capacitor, heat dissipation sheet, semi-fixed resistor, VR, AC cord, SP terminal replacement. RCA terminals, SW cleaning. Board cleaning and re-soldering. (*The meter has deteriorated slightly) 2024.12.26 Maintained (drive transistor replacement not replaced in previous repairs. Defective relay contact replacement. Switch contact polishing. Meter level adjustment. amplifier circuit adjustment. Polish the input terminals, etc. (Internal dismantling and cleaning) Accessories: copy of instruction manual Main specifications: 100W+100W DC amplifier configuration with peak level meter W436 x H151 x D370 mm 26 kg

No.336LU.S.A

Ask 25-46890-13913-00
No.336L
Manufacture:Mark Levinson
Original price: JPY 2,000,000
Price: JPY 367,273
U.S.A 1998 made
Arrival: 2025-08-13 18:54:55
description
The disposal price has been reduced. Member discounts are not applicable. 2025/8/13 sales price 598,000 yen Maintenance completed! A stereo power amplifier with excellent braking feeling. Supported by a strong power supply line, the speed of response, a strong sense of extrusion, and extremely supple sound quality with no rough parts makes you feel the ability unique to high-end. In addition to burns on the exterior and fins, dullness and a feeling of use can be seen (Kobayashi Hitoshi) Maintenance information: 2025.8.12 maintenance (15 capacitors, IC, 24 resistors replaced, sub power transformer solder correction, power cable plug coverage correction, DC voltage/DC offset voltage/idling current/other adjustments) Accessories: copy of instruction manual, short pin Main specifications: 350W+350W (8Ω) W446 x H262 x D479 mm 62 kg

A07 MAX

This item has been sold.You can't purchase now. 25-46955-14475-00
A07 MAX
Manufacture:AIYIMA
Original price: JPY 12,561
Price: JPY 7,255 Sold Out
Arrival: 2025-08-28 19:36:04
description
Compact power amplifier with stereo/mono switchable function. The A07 MAX with a 3.5mm AUX line output can be connected to the next A07 MAX (active device) to build a high-power dual-channel system and maximize the power of the audio amplifier. The exterior has a feeling of use such as dullness (Tomoho Asaine) Maintenance information: 2025.8.28 sound output confirmed Accessories: AC adapter in the original box Main specifications: chip TPA3255+NE5532P stereo large output 2x300W (4Ω) mono large output 1×600W (2Ω) Frequency characteristics 20 Hz to 20 kHz (± 1 dB) SNR 110 dB or more THD+N 0.007% or less (1 W) Operating voltage DC24-48V

MC7270U.S.A

25-47322-17155-00
MC7270
Manufacture:McIntosh
Original price: JPY 680,000
Price: JPY 270,909
U.S.A 1985 made
Arrival: 2025-09-03 19:57:42
description
Maintained! 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. As for the exterior, there are some peeling and bumps. (TAMURA Eiji) Maintenance information: 2025.9.3 Maintained (lamps, electrolytic capacitors, RCA jacks, urethane foam materials, etc., replaced due to defects and deterioration. Panel peeling correction (the back of the light guide plate and the area around the letters are not allowed) meter front fog disassembly cleaning, switch and volume cleaning, panel bracket installation correction, missing screws added. Bias and offset checks. Output audio check) Accessories: No accessories 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

B-2Japan

Ask 25-47433-17972-00
B-2
Manufacture:YAMAHA
Original price: JPY 200,000
Price: JPY 180,000
Japan 1976 made
Arrival: 2025-09-07 20:01:22
description
A total of 69 transistors and capacitors were replaced in 2025/2, and refreshed and maintained with attention to detail, such as disassembly and cleaning of switches! It is a diamond called Rifu Yamaha FET that shows off its excellent purity and transparency. With this brush-up, the sharpness of standing up and the firmness of the sound have been completely revived, and you can enjoy the Yamaha sound you are aiming for. On the exterior, you can see a feeling of use such as dullness and scratches. Serial (Yamato Yuki) Maintenance information: 2025.2.4 maintained (left and right main amplifier circuit, power supply circuit, deteriorated transistor and capacitor replacement, input volume exchange, ground terminal installation, meter lamp replacement, input pin jack polish, meter level adjustment) Accessories: copy of instruction manual Main specifications: output 100W+100W (8Ω) SNR 115dB W436 x H151 x D370 mm 26 kg
99 Stereo Power Amplifier Classique
Manufacture:QUAD
Original price: JPY 210,000
Price: JPY 81,636
UK 2008 made
Arrival: 2025-08-29 19:57:08
description
The disposal price has been reduced! (Member discounts are not applicable) 2025/8/29 sales price 118,000 yen QUAD is a power amplifier that combines a wide range and high signal-to-noise level with traditional, high-texture tones. Equipped with QUAD LINK, system control is also possible. Extremely practical quality can be obtained from its compact size. There are dirt scratches and threads on the exterior. Serial 99SG0109 (Fujisawa Yukishi) Maintenance information: 2025.8.29 operation confirmed Accessories: power cord Main specifications: input RCA/QUAD-LINK: 1 system each input impedance 33k ohm input sensitivity 775mV (RCA input) output 1 system (banana plug can be used) maximum output: 90W/8ohm, 120W/4Ω S/N ratio 110dB frequency characteristics 3 Hz to 50 kHz W321 × H70 × D310 mm mass 6.25 kg

pow64Japan

This item has been sold.You can't purchase now. 25-47402-17727-00
pow64
Manufacture:MUSICA
Original price: JPY 120,000
Price: JPY 18,182 Sold Out
Japan
Arrival: 2025-09-06 19:35:21
description
*Currently sold. Based on a pure analog design, it achieves both an easy-to-use compact body and high sound quality. In terms of sound quality, the strength of the low frequencies is impressive. Appearance, dullness, small scratches, and a feeling of use can be seen (Kobayashi Hitoshi) Maintenance information: 2025.9.5 operation confirmed Accessories: power cable Main specifications: 50W+50W input RCA1 system W215×H59×D160mm kg

303UK

This item has been sold.You can't purchase now. 25-46533-11093-00
303
Manufacture:QUAD
Original price: JPY 110,000
Price: JPY 90,727 Sold Out
UK 1967 made
Arrival: 2025-06-07 19:22:25
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. (Kobayashi Hitoshi) 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 instruction manual, power cord, connection cord Main specifications: 45W+45W W120×H159×D324mm 8.2 kg

606AUK

Ask 25-47107-15426-00
606A
Manufacture:QUAD
Original price: JPY 220,000
Price: JPY 72,545
UK 1993 made
Arrival: 2025-07-31 20:10:20
description
The disposal price has been reduced. Member discounts are not applicable. 2025/7/31 sales price 99,800 yen Maintenance completed in 2023/11. The 606A has been made more stylish by cutting the 606 edge. Similar to the 606, the driving feeling that cannot be imagined from its compact exterior is attractive. The sound quality adds a sense of speed to conventional sound quality. It goes perfectly with classical music as well as jazz vocals. There are small scratches and paint peeling on the exterior. Serial Q 021836 (Takasaki Atsushi) Maintenance information: 2023.11.11 Maintained (power stage Tr checked, capacitor replaced. Partial resistance deterioration replacement, connector cleaning, ground screw tightening, soldering, RCA cleaning, operation check) 2015.4.26 maintained (RCH power stage TR insulation sheet repair. In-board C exchange. The RCA terminal and SP terminal have been replaced. (There is a “Gee” sound due to the influence of an exchange transformer such as a cable, etc., but it won't get any louder) Accessories: power cord Main specifications: 140W+140W (8Ω) W321×H140×D238mm 12kg

MC2500U.S.A

Ask 25-46627-11721-00
MC2500
Manufacture:McIntosh
Original price: JPY 1,180,000
Price: JPY 310,000
U.S.A 1980 made
Arrival: 2025-07-11 19:44:30
description
The price has been drastically reduced. 2025/7/11 sales price 378,000 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 a feeling of use such as dullness and rust. Serial JCS2088 (Takasaki Atsushi) Maintenance information: 2025.7.11 maintained (power stage Tr characteristic defect x 2, driver board C deterioration, meter, display lamp deterioration replacement, MODE switching SW dismantling and cleaning, each connector cleaning, transistor deterioration replacement in the driver board, operation check, meter dismantling terminal lead wire soldering treatment) Accessories: copy of manual, power cord Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg

MC7300U.S.A

Ask 25-47206-16232-00
MC7300
Manufacture:McIntosh
Original price: JPY 650,000
Price: JPY 343,636
U.S.A 1991 made
Arrival: 2025-09-05 19:49:43
description
Maintained! 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. Late wide panel (Murakoshi Yoichi) Maintenance information: 2025.9.4 maintenance completed (panel meter letter cleaning, panel peeling correction (partial correction not possible), power stage Tr check, pattern re-soldering, driver board C, meter illumination lamp, relay parts C, R replacement. Output transformer lead wire ground insulation treatment, power meter SW internal reinforcement) Accessories: instruction manual (copy) Main specifications: 300W+300W (2/4/8Ω), 600W during MONO (2/4/8Ω) W445 x H196 x D420 mm 35 kg

MC2500U.S.A

This item has been sold.You can't purchase now. 25-46970-14580-00
MC2500
Manufacture:McIntosh
Original price: JPY 1,180,000
Price: JPY 310,000 Sold Out
U.S.A 1980 made
Arrival: 2025-08-21 20:11:23
description
The price has been drastically reduced. 2025/8/21 sales price 398,000 yen Maintenance includes replacement of 42 parts such as gain volume, speaker terminals, lamps, transistors, capacitors, etc. The flagship model of the Macintosh power amplifier with a silver panel. It is characterized by its strong, dense sound. The extrusion is strong and goes great with JBL large monitor speakers. The dynamism in the mid to low range, which is difficult to obtain with current Mackin power amplifiers, is attractive. There are small scars and dullness over time (Oikawa Tetsuji) Maintenance information: 2025.8.21 Maintained (GAIN Vol both channels replaced, Lch speaker terminal damaged replacement. Power stage TV x 4 is defective, short circuit is broken. Replace the meter and indicator lamp. C deterioration replacement in the board. TV deterioration replacement in the driver board. Connector crimping defect replacement. MODE SW dismantling cleaning. (Clean each connector, check operation) Accessories: 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

5M21Japan

Ask 25-47130-15561-00
5M21
Manufacture:LUXMAN
Original price: JPY 230,000
Price: JPY 72,545
Japan 1977 made
Arrival: 2025-08-25 19:25:13
description
The price has been drastically reduced. 2025/8/24 sales price 89,800 yen. Maintained! A power amplifier at the core of LUXMAN's ambitious laboratory reference series in the 70s. It is a model that made clear and powerful sound possible with a DC amplifier configuration that was advanced at the time. The exterior and one screw cap on the top plate are missing, and there is a slight feeling of use (Kobayashi Hitoshi) Maintenance information: 2025.8.24 Maintained (replacement of 6 capacitors in the power supply circuit, power fuse, meter lamp, and power lamp. (Long time sound check) Accessories: copy of the manual Main specifications: continuous effective output 100W+100W (8Ω) damping factor 80 or more (8Ω) W442 × H146 × D400 mm 19.0 kg

SE-A5Japan

Ask 25-46533-11092-00
SE-A5
Manufacture:Technics
Original price: JPY 150,000
Price: JPY 72,545
Japan 1980 made
Arrival: 2025-08-03 19:57:32
description
The disposal price has been reduced. Member discounts are not applicable. 2025/8/3 sales price 99,800 yen. Maintained! A power amplifier with a large VU meter and attractive lighting. The straight, light, and sharp sound is impressive. The straightforward sound quality with few quirks makes it sound great in any genre. There are appearance, scratches, rust, and dullness. Serial A01107D167 (Kanai Hidetsugu) Maintenance information: 2025.8.3 maintenance completed (12 locations replaced from meter lamp LEDs to lamps with leads on both ends. Replace 2 transistors 2 SC3421 and 2 SA1358 each. Speaker relay main/remote replacement. ATT volume disassembly contact cleaning. OUTPUT push SW, speaker main/remote push SW disassembly contact polishing grease application. DC idling/DC balance adjustment) Accessories: copy of instruction manual Main specifications: 120W+120W (8Ω) 160W+160W (4Ω) W430 × H178 × D416 mm 18.4 kg

405UK

Ask 25-47349-17334-00
405
Manufacture:QUAD
Original price: JPY 198,000
Price: JPY 98,182
UK 1975 made
Arrival: 2025-08-31 20:06:05
description
The price has been drastically reduced. 2025/8/31 sales price 128,000 yen 2023/10 maintenance 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. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2023.10.13 maintenance completed (internal parts dismantling check, power Tr, driver Tr, etc., etc., C, R, etc. can all be checked. Burning was corrected due to partial heat generation on both channel board patterns. The RCA terminal, input volume installation (expansion), Din terminal, SP terminal, and block capacitor have been replaced. (The input/output waveform was checked, left and right balance checked, load tests, and comprehensive operation tests were performed to confirm normal operation.) Accessories: power cable, instruction manual (copy) Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg

KMA-100mk2U.S.A

This item has been sold.You can't purchase now. 25-47172-15963-00
KMA-100mk2
Manufacture:KRELL
Original price: JPY 1,650,000
Price: JPY 490,000(pair)Sold Out
U.S.A 1985 made
Arrival: 2025-08-30 19:57:19
description
The price has been drastically reduced! 2025/8/30 sales price 598,000 yen The interior was dismantled and cleaned and maintained in every corner! The KMA-100mk2 will be in stock for the first time in about 4 years. The overwhelming driving power that easily drives even large speakers and the rich tone unique to Claire are excellent. The sound pressure rushing in like the momentum of a tsunami is impressive. There are many KRELL fans who love this sound, and it's a high degree of perfection that you can clearly see. The exterior has dullness and small scratches. Serial 10251 10252 (Yonejima Satoshi) Maintenance information: 2025.8.30 Maintained (serial 10252 → output stage sorting exchange, mica sheet replacement. *Common to 2 units → semi-fixed VR, electrolytic capacitors, and RCA jacks replaced. Solder correction. Output relay disassembly, polishing and cleaning. Increase and tighten the screws. Bias and offset adjustments. Output audio check) Accessories: power cable Main specifications: pure A grade 100W mono power amplifier W483 x H226 x D 480 mm weight 25 kg

SE-A5Japan

Ask 25-46765-12927-00
SE-A5
Manufacture:Technics
Original price: JPY 150,000
Price: JPY 72,545
Japan 1980 made
Arrival: 2025-09-01 20:04:11
description
Maintained! A power amplifier with a large VU meter and attractive lighting. The straight, light, and sharp sound is impressive. The straightforward sound quality with few quirks makes it sound great in any genre. The exterior has small scratches and a feeling of use such as dullness. Serial AKIL28G008 (Jun Tamai) Maintenance information: 2025.8.31 maintained (speaker terminals replaced with replacement terminals at all locations, speaker relays replaced, DC idling, DC offset confirmation, adjustment, other output boards, drive board, solder crack checks, repairs) Accessories: none Main specifications: 120W+120W (8Ω) 160W+160W (4Ω) dimensions W430 × H178 × D416 mm weight 18.4 kg

B-50Japan

Ask 25-46890-13908-00
B-50
Manufacture:YAMAHA
Original price: JPY 135,000
Price: JPY 54,364
Japan 1982 made
Arrival: 2025-07-26 15:33:54
description
The price has been drastically reduced. 2025/7/26 sales price 69,800 yen Maintenance completed. A Yamaha stereo power amplifier boasting high driving power with a damping factor of 200. The cool panel design and the impressive meter with an orange light are also attractive. Enjoy the hot sound unique to the heyday of audio. There is a feeling of use such as dullness and small scratches on the exterior (Murakoshi Yoichi) Maintenance information: 2025.7.24 Maintained (power switch, 5 panel lamps, output relays, drive circuits, and 8 other capacitors replaced. (Drive circuit, main amplifier circuit, soldering correction for each board) Accessories: copy of instruction manual Main specifications: rated output 120W+120W (8Ω) size W435 x H133 x D380 mm weight 11.8 kg

DC300A2U.S.A

Ask 25-46670-12112-00
DC300A2
Manufacture:AMCRON
Original price: JPY 320,000
Price: JPY 54,364
U.S.A
Arrival: 2025-07-13 20:01:55
description
The disposal price has been reduced! (Member prices are not applicable) 2025/7/1 sales price 79,800 yen. Maintenance has been completed, but since it is a commercial amplifier, there is no guarantee and it is currently sold. 100V specification It is mounted in a hard case. A professional power amplifier characterized by a straight and exciting sound. The overwhelming driving power that makes it sound easily even on large monitors is attractive, and it seems to be compatible with JBL units. There is a feeling of wear on the exterior, such as scratches and dullness. Serial 078388 (Jun Tamai) Maintenance information: 2025.7.13 maintained (GAIN volume poor contact → dismantling and cleaning of both channels, earth treatment, current status of C, R, etc. in other substrates OK) Accessories: none Main specifications: STEREO/MONO switchable W520 x H205 x D360 mm weight 23 kg

606UK

Ask 25-47203-16214-00
606
Manufacture:QUAD
Original price: JPY 220,000
Price: JPY 72,545
UK 1986 made
Shop: Osu shop
Arrival: 2025-08-24 19:21:48
description
Maintained including replacement of 1 transistor and 6 capacitors. 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. Overall there is dullness (Oikawa Tetsuji) Maintenance information: 2025.8.24 Maintained (±b bypass C in both CH boards, gain setting C replacement Lch power stage Tn x 1, poor characteristics → replacement Operation test) Accessories: power cable Main specifications: output 140W+140W (8Ω) W321×H140×D238mm 12kg

M-90Japan

Ask 25-46802-13243-00
M-90
Manufacture:Pioneer
Original price: JPY 200,000
Price: JPY 81,636
Japan 1986 made
Arrival: 2025-08-22 20:00:51
description
Maintained! It features a sound that combines transparency and thickness. It comes with a volume and can be directly connected to a CD player, etc., and is also recommended as a separate introductory machine. The exterior has small scratches, dullness, peeling veneer, etc. Serial GF1000098 (Tomonori Asaine) Maintenance information: 2025.8.21 maintained (maintenance contents/ ① main volume dismantling, cleaning, selector switch disassembly and polishing ③ speaker, meter switch disassembly, polishing, output relay replacement, selector relay replacement, solder repair, interior and exterior inspection, cleaning, operation confirmation) Accessories: none Main specifications: 200W+200W (8Ω) dimensions W457 x H154 x D430 mm weight 20.9 kg

XLS602U.S.A

This item has been sold.You can't purchase now. 25-47064-15209-00
XLS602
Manufacture:AMCRON
Original price: JPY 91,800
Price: JPY 19,818 Sold Out
U.S.A 2003 made
Arrival: 2025-07-27 20:09:33
description
The disposal price has been reduced! (Member prices are not applicable) 2025/7/27 sales price 35,000 yen This is an AMCRON commercial power amplifier that produces high output before the design change. It condenses technology cultivated in professional settings and outputs powerful sound that surpasses its class. The deep bass of a jazz bass and kick drums that stand up quickly are unique to business machines. There are stains and scuffs on the exterior. ※The VOL knob has been changed. Serial 8500022594 (Yonejima Satoshi) Maintenance information: 2025.7.27 operation confirmed Accessories: power cord Main specifications: 600W+600W (4Ω) 370W+370W (8Ω) stereo output W483 x H89 x 356 mm 12.3 kg

Model 140U.S.A

Ask 25-46917-14120-00
Model 140
Manufacture:marantz
Original price: JPY 89,800
Price: JPY 63,455
U.S.A 1975 made
Arrival: 2025-08-19 20:06:31

TA-1703U.S.A

Ask 25-47134-15611-00
TA-1703
Manufacture:BOSE
Price: JPY 4,545
U.S.A
Arrival: 2025-08-03 19:59:56
description
The disposal price has been reduced! (Member prices are not applicable) 2025/8/3 sales price 6,000 yen BOSE brand premain made by SONY. Aluminum die-cast is used throughout the body case to suppress vibrations and resonances that adversely affect sound, and authentic sound comes out from small solids. The exterior is dull and there are scratches on the bottom. Also, one part of the SP terminal does not fix the cable properly. Serial 10656 (Tamura Eiji) Maintenance information: 2025.8.3 operation confirmed Accessories: No accessories Main specifications: W218 x H60 x D150 mm weight 2.5 kg

STEREO 120U.S.A

Ask 25-47120-15520-00
STEREO 120
Manufacture:DYNACO
Original price: JPY 94,000
Price: JPY 45,273
U.S.A
Arrival: 2025-08-01 19:54:12
description
The price has been drastically reduced. 2025/8/1 sales price 59,800 yen ※A trance growl will occur, but this cannot be corrected. Maintenance completed in 2019. Dinaco's transistor stereo power amplifier was developed by applying technology obtained with tubular amplifiers to semiconductor circuits. It is a sound that allows you to broadly enjoy the atmosphere without requiring precise expression of sound. There is a feeling of use (Murakoshi Yoichi) Maintenance information: 2019.8.9 maintained (internal dismantling check, LCH power stage TR/constant voltage TR characteristics defective/circuit board coupling C interruption/capacity loss → replacement, operation check OK) Main specifications: 60W+60W W330 x H104 x D260 mm 8 kg

B-2Japan

Ask 22-34115-27462-00
B-2
Manufacture:YAMAHA
Original price: JPY 200,000
Price: JPY 143,636
Japan 1976 made
Shop: Osu shop
Arrival: 2025-02-06 20:01:32
description
The disposal price has been reduced. Member discounts are not applicable. 2025/2/6 sales price 198,000 yen Refreshment maintenance completed with attention to details such as volume, replacement of 28 electrolytic capacitors, switch disassembly and cleaning, etc. The diamond called Yamaha FET shows off its excellent purity and transparency. With this brush-up, the sharpness of standing up and the firmness of the sound have been completely revived, and you can enjoy the supreme Yamaha sound. You can see a feeling of use such as appearance, dullness, scratches, etc. (Kobayashi Hitoshi) Maintenance information: 2025.2.4 maintained (power supply SW disassembly cleaning, grease up. Front control unit push SW disassembly cleaning. Volume exchange. Fixed the place where transistor migration occurred. Replace 28 parts with 20% capacity change in electrolytic capacitors. Speaker relay disassembly, contact cleaning. Rear slide switch disassembly and cleaning. Replace the deterioration of the cushions on the back of the power LED board and the back of the protection board. idling adjustment. DC balance adjustment. Internal cleaning. AC cable cleaning. RCA terminal, AC plug cleaning Exterior cleaning) Accessories: copy of instruction manual Main specifications: output 100W+100W (8Ω) SNR 115dB W436 x H151 x D370 mm 26 kg

PW-202 SPECIALJapan

Ask 25-47140-15681-00
PW-202 SPECIAL
Manufacture:BELL WOOD LANSING
Price: JPY 58,909
Japan
Shop: Osu shop
Arrival: 2025-08-04 20:06:48
description
The price has been reduced. 2025/8/4 sales price 69,800 yen ※The hood is out of stock. Bellwood power amplifier. It seems that it is a custom product of the company's PW-202, but details are unknown. A straight tone that is straightforward and has no strange habits is alive and well (Oikawa Tetsuji) Maintenance information: 2025.8.4 operation confirmed Accessories: power cable Main specifications: 50W+50W W403 x D270 x H190 mm 9.1 kg (actual measurement)

405UK

Ask 15-88406-53658-00
405
Manufacture:QUAD
Original price: JPY 198,000
Price: JPY 90,727
UK 1975 made
Shop: Osu shop
Arrival: 2025-07-04 19:44:42
description
The disposal price has been reduced. Member prices are not applicable. 2025/7/4 sales price 128,000 yen Maintained! Quad power amplifier Although it is a compact body, you can enjoy the sound with a thick core. In particular, it makes me listen to 70s analog sounds with a sense of dynamism. There is dullness, scratches, and paint peeling (Daiki Goto) Maintenance information: 2025.7.4 maintained (internal double channel dismantling TN check → OK. DC cut C, gain setting C, etc. exchange ~ operation check) Accessories: power cable, connection cable Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg

405UK

Ask 16-03836-78435-00
405
Manufacture:QUAD
Original price: JPY 198,000
Price: JPY 90,727
UK 1975 made
Shop: Osu shop
Arrival: 2025-07-12 20:16:22
description
The disposal price has been reduced. Member prices are not applicable. 2025/7/12 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. There is dullness and small scratches (Sasaki Shota) Maintenance information: 2025.7.12 Maintained (drive transistor (BD244 x 4), power transistor (MJ15024G x 1), and original differential op amp (TL071 x 2) parts were replaced. The connection cord and power cord have been attached. Input/output waveform confirmation, left and right sound pressure level checks, load tests, and comprehensive operation tests were performed to confirm normal operation) 2025.6.9 maintained (there is a pattern short in the board, poor output board mounting, capacitor deterioration, block C lead wire soldering, driver transistor deterioration, operation check) 2024.8.6 Maintained (all internal parts checked, LCH power stage TR x 1 half short NG replacement, DC cut C replacement within the board, replacement of bottom cover rubber foot defects, operation check) Accessories: copy of manual, power cable, connection cable Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg

405UK

Ask 25-46705-12407-00
405
Manufacture:QUAD
Original price: JPY 198,000
Price: JPY 90,727
UK 1975 made
Arrival: 2025-07-05 19:47:54
description
The disposal price has been reduced. Member discounts are not applicable. 2025/7/5 sales price 128,000 yen Maintenance has been completed, such as replacement of deteriorated capacitors and transistors. 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, paint deterioration, dullness, rust, scuffs, etc. can be seen (Kobayashi Hitoshi) Maintenance information: 2025.7.5 maintenance completed (block C, VOL, rubber feet, power stage Tr, C and R replacement in the board. Input cable creation (DIN4P-RCA female) operation check) Accessories: instruction manual, power cable, connection cable Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
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