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- description
- The price has been drastically reduced! 2026/3/7 sales price 398,000 yen Maintained! A heavyweight power amplifier with a threshold. It has solid momentum and strength, and it drives well even large speakers. This is a car where you can enjoy the thickness, richness, and atmosphere unique to this age. On the exterior, bumps and scratches can be seen on the top plate. Serial 770101J (Tamura Eiji) Maintenance information: 2026.3.7 Maintained (replaced due to insufficient voltage resistance of the power supply unit smoothing capacitor. Control resistor replacement. Semi-fixed VR exchange. Acrylic board adhesion correction. Bias and offset checks. Output audio check. ※Since there is no mute mechanism, there is a slight popping sound when the power is turned on. (specification)) Accessories: No accessories Main specifications: effective output 200W+200W (20 to 20,000 Hz, 8 ohm, both channel drive) harmonic distortion ratio 0.1% (at rated output) mixed modulation distortion ratio 0.1% (at rated output) output bandwidth 20 to 20,000 Hz±0 dB (at rated output) frequency characteristics 2 to 200,000 Hz+0-3dB damping factor 1000 (20 Hz) 200 (20 kHz) residual noise 2 mV power consumption 300 W (when no signal) AC 105 V 50/60 Hz W483 x H230 x D427mm 41 kg (including packaging)
- description
- The price has been drastically reduced! 2026/3/9 sales price 118,000 yen Maintained in 2024/3! A crisp, bright, and sharp sound typical of Marantz from the 1970s. Exactly, it's an American sound on the west coast. The design is also a simple design typical of US Marantz. The exterior has a feeling of wear such as dullness and scratches over time. Serial 4180 (Kaneko Ryuichiro) Maintenance information: 2024.3.7 maintained (single ch power stage transistor replacement driver transistor resistor replacement drive TR capacitor replacement contact polishing aging test) Accessories: Copy of instruction manual (English) Main specifications: 125W+125W (8Ω) W445 × H170 × D265 mm 14.8 kg
- description
- The price has been reduced! 2026/3/12 sales price 448,000 yen 27 deteriorated parts, including capacitors, were replaced in 2021/10! A stereo power amplifier with a traditional dual mono configuration. The overwhelming driving power and precise sound are attractive. You can enjoy the strong driving power that allows even a 38cm woofer to brake well, and the hot sound unique to Levinson of this era. A genuine Harman product. There are small scratches and dullness over time. Serial 1047 (Yamato Yuki) Maintenance information: 2021.10.2 Maintained (deteriorated capacitors, resistors, POT replacement. (Inspection and adjustment) Accessories: Remo pin instruction manual copy power cable short plug Main specifications: stereo power amplifier, dual mono configuration, 200W+200W (8Ω), 800W (8Ω, when connected to a bridge), input impedance 50kΩ, W483 x H210 x D450mm, 40 kg
- description
- A rare mono power amplifier is now in stock! A mono power amplifier with the goal of bringing out the full performance of the B&W800 series. Similar to the SC-7S1, it uses an HDAM SA with a 2-amp configuration of a voltage amplifier and a buffer amplifier. Equipped with 4 voltage amplifiers and 2 buffer amplifiers, the instantaneous current supply capacity is approximately 3 of the conventional SM-5. The astonishing sense of silence and the presence of an orchestra that instantly stands up brings out the full potential of the speaker. Serial MZ000214010017, MZ000402090012 (Fujisawa Yukishi) Maintenance information: 2026.3.14 Operation confirmed Accessories: instruction manual, power cord Main specifications: rated output 300W+300W (8Ω) 600W+600W (4Ω) frequency characteristics 3Hz to 120kHz power consumption 450W signal-to-noise ratio 120dB W459 x H198 x D451 mm weight 35.8 kg/unit
- description
- Maintained in January 2026! Mark Levinson's mid-range power amplifier. It is popular because it makes a lot of noise. Circuits for the left and right channels, including the power supply unit from the input terminal to the output terminal, are separated and configured independently. The driving power and subtlety that makes a large speaker play lightly, and the thick sound that feels good to listen to even in Madrigal Levinson are attractive. There are scratches and peeling marks on the top plate. Serial 2425 (Fujisawa Yukishi) Maintenance information: 2026.1.21 maintained (replacement of 4 transistors, 45 capacitors and other deteriorated parts, DC voltage, DC offset voltage, idling current, and other adjustments) Accessories: instruction manual, power cord, balance short pin Main specifications: 200W+200W (8Ω) 400W+400W (4Ω) 800W+800W (2Ω) bi-wire compatible input/RCA x 1 · XLR x 1 W446 x H262 x D479 mm 58 kg
- description
- Maintained! A Sony power amplifier with an impressive clear high range and deep mid to low frequencies. The powerful and rich sound seems to go well with classical and acoustic songs. There are dents on the front panel on the exterior (Ryo Mizusaki) Maintenance information: 2026.3.14 maintained (noise and low output were improved by applying polishing grease to each disassembly contact SW, FUNCTION switching SW, POWER limiter SW, power supply micro SW replacement for G-noise when other power is turned on, left and right sides with cracks in the volume VR interior, other DC balance, DC bias adjustments, front and rear panels, knobs, and input/output terminals were cleaned) Accessories: none Main specifications: 110W+110W (8Ω) W400 x H149 x D323 mm 13.5 kg
- description
- The price has been drastically reduced. 2026/3/10 sales price 168,000 yen Maintenance completed. The first US Marantz Solit State Stereo Power Amplifier is this model created by James Bongiorno! It has a dual mono type configuration reminiscent of various GAS and SUMO works, and has a resolution that doesn't seem vintage, and the sound is attractive even though it is a dry sound and has sex appeal. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2026.3.9 maintained (internal all dismantling check, power stage TR/other TR check OK, operation check) Accessories: none Main specifications: 60W+60W (8Ω) left and right independent structure power amplifier solid state inverted Burlington circuit W390 × H145 × D205 mm 13.4 kg
- description
- Maintained! Changed to 100V specification. A power amplifier equipped with Macintosh's unique power guard. Equipped with 2 output display meters. You can enjoy the traditional McKinn sound with its depth of sound and stickiness in the low frequencies. In particular, the intensity of the mid-low range and the ease with which it comes out are still attractive enough to this day. A peeling mark remains around the headphone terminal. Serial AZ 1946 (Fujisawa Yukishi) Maintenance information: 2026.3.13 Maintained (output relays, electrolytic capacitors, IC sockets, diodes, indicator lamps, foam rubber replaced due to defects and deterioration. Meter bezel installation correction, volume, switch, card edge contact cleaning. Solder correction. AC120V to AC100V specifications were changed. Bias and offset checks. Output audio check.) Accessories: No accessories Main specifications: 120W+120W W406 x H175 x D330 mm 29.5 kg
- description
- Maintained in 2025. Macintosh early solid state power amplifier. Comes with a precious wood case. The rich and powerful sound unique to vintage MacKins is full of appeal that is different from current models. When combined with the company's C28 and C26 preamps, you can enjoy the flavor unique to vintages that are even thicker and darker. Concurrent models. Serial AH8476 (Murakoshi Yoichi) Maintenance information: 2025.5.10 Maintained (input terminal replacement, input capacitor deterioration defect replacement, operation check, lamp OK. *The color of the input RCA terminal is gold. Internal capacitors, transistors, etc. have been replaced) 2025.1.9 maintained (lamp replacement, speaker switch replacement, pin jack cleaning, speaker terminal replacement, glass panel side rail screw correction installation) 2019.11.20 maintained (meter illumination lamp replacement, power stage Tr check, output board Tr, input board C replacement, speaker SW replacement, each SW · VOL cleaning, operation check) 2025.1.9 maintained (lamp replacement, speaker switch replacement, pin jack cleaning, speaker terminal replacement, glass panel side rail screw correction installation) Accessories: instruction manual (copy) Main specifications: output 105 W+105 W (4/6/8 ohms) LR volume control speaker switch with headphone terminal W440 x H225 x D390 mm approx. 35 kg
- description
- The disposal price has been reduced! (Member prices are not applicable) 2026/2/8 sales price 178,000 yen Maintenance completed! This is a counterpoint solid state power amplifier. The warm, thick, and mild sounds are attractive. It has a good sound typical of the company, which has been cultivated with tubular and hybrid amplifiers. As for the exterior, you can see a feeling of use such as dullness over time. Serial 3S2062 (Yamato Yuki) Maintenance information: 2025.6.2 maintained (left ch output transistor, drive transistor, resistance fuse replacement bias adjustment 48H or higher running output sound check) 2025.4.9 maintained (right ch drive and pre-drive transistor, resistor, and DC fuse replacement bias adjustment output voice check) *The pop sound when the power is on/off is specified. Accessories: power cable Main specifications: 200W+200W (8Ω) maximum current supply capacity 170A size W483 × H184 × D470 mm 28 kg
- description
- The disposal price has been reduced. Member discounts are not applicable. 2026/2/22 sales price 848,000 yen Maintenance completed! It has a full sense of scale in the bass range unique to mono amplifiers. Furthermore, the luster unique to Class A amplifiers and the smooth mid-high range also have an excellent texture, making a big difference to the 23.5L stereo power amplifier. It's a famous Levinson mono power machine that lets you listen to music intensely throughout. You can see a feeling of use on the exterior, burns, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2026.2.21 Maintained (RCA terminal replacement, DC voltage/DC offset voltage/idling current/other adjustments) 2023.2.27 Maintained (deteriorated capacitor replacement. Solder correction. Other inspections and adjustments. The input terminal RCA has been replaced. The output terminals have also been replaced with general products compatible with bananas and Y lugs) Accessories: short pin, copy of instruction manual, power cable Main Specifications: Pure Class A Operation Mono Power Amplifier Rated Output 100W+100W (8Ω) Dimensions W483 x H212 x D560 mm Weight 33 kg
- description
- The disposal price has been reduced! Member prices are not applicable. 2026/2/25 sales price 898,000 yen*This is an upgraded product from No. 20L to No. 20.5L and No. 20.6L. The front panel will be 20.5L. Maintained by Herman in 2013! Genuine Harman The excellent separation unique to mono and the excellent sense of shading of the sound give off a unique difference, and even large aperture woofers drive well. Also, the slightly sweet, and comfortable sound similar to ML-2L is attractive. It still makes music fans groan. Externally, burns can be seen on the fins. Serial 912, 913 (Fujisawa Yukishi) Maintenance information: Maintained by Harman on 2013.8.9 (replacement of deteriorated parts (30 capacitors, 8 resistors), re-soldered due to deterioration of the audio BD solder. Adjust each part. Operation check OK) Accessories: instruction manual, power cord, Fisher to SP cable, 2 Remo pins, balance short pins Main specifications: mono power amplifier effective output 100W (8Ω) input/unbalance (RCA) 1 system, balance (XLR) 1 system, 1 SP terminal system W483 ✕ H210 ✕ D560 mm weight 33 kg/unit
- description
- Currently sold. Rasteme's small digital amplifier. There is 1 RVA input system, but it is a simple and easy to use unit. It is an amplifier designed mainly for use with Airmac, portable audio, etc. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2026.1.25 Operation confirmed Accessories: power cable Main specifications: output 25W+25W (8Ω) frequency characteristics 25Hz to 20kHz W210 × D210 × H44 mm (not including protrusions) 2.8 kg
- description
- The price has been reduced. 2026/2/27 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 and tense 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
- description
- Maintained including volume disassembly and contact polishing! The diamond called Yamaha FET shows off its excellent purity and transparency. This is a car that allows you to enjoy Yamaha sounds, such as the sharpness of the stand up and the firmness of the sound. The exterior is dull and scratched. Serial 01883 (Tamura Eiji) Maintenance information: 2026.2.26 Maintained (volume disassembly contacts were re-polished, and 4 pieces were created by combining parts without problems. Push switch disassembly and cleaning. Speaker relay disassembly contact cleaning. Board cleaning. DC offset, idling adjustment. RCA terminal cleaning. AC outlet cleaning. Each part was inspected and operation tested. (*Capacitors and transistors have been replaced) Accessories: none Main specifications: output 100W+100W (8Ω) SNR 115dB W436 x H151 x D370 mm 26 kg
- description
- 43 capacitors, 6 semi-fixed resistors, 4 lamps, 2 relays have been replaced, and maintenance has been completed, such as disassembling and cleaning the various volumes and switches. The diamond called Yamaha FET shows off its excellent purity and transparency. With this brush-up, the sharpness of the stand up and the high level of transparency have been completely revived, and you can enjoy natural Yamaha sound without getting tired of listening. There are scratches, dullness, etc. on the top plate (Oikawa Tetsuji) Maintenance information: 2026.2.24 Maintained (left and right speaker output relays replaced, A/B changeover switch dismantling, cleaning, transistor magmentation removed. Electrolytic capacitors, semi-fixed resistors, lamp replacement. Input volume cleaning. Disassemble and clean the panel and rear changeover switch, clean the knobs, housing, and rear terminals. (Other parts readjusted, aging tests) Accessories: copy of instruction manual Main specifications: output 100W+100W (8Ω) SNR 115dB W436 x H151 x D370 mm 26 kg
- description
- Maintained! It's a thick amplifier that you can't imagine 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. The urethane coating on the exterior has deteriorated, faded white, and some paint has peeled off (Wang Zhan) Maintenance information: 2026.2.18 Maintained (pin jack replacement, power stage TV check, deteriorated capacitor, resistor replacement, operation check, due to specifications, pop noise appears when the power is turned on) Accessories: copy of instruction manual, power cable. Main specifications: output 140W+140W (8Ω) frequency characteristics 20Hz to 20kHz (-0.5dB) 13Hz to 40kHz (-1.0dB) total harmonic distortion ratio 0.01% or less (up to 130W 100Hz/1kHz) input sensitivity 0.5V input impedance approx. 20kΩ crosstalk 100dB (100Hz) 85dB (1kHz) 65dB (10kHz) S/N ratio 105 dB speaker minimum load 4 Ω external Dimensions W321 x H134 x D240 mm Weight 12 kg
- description
- Maintained. 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. Externally, there is peeling on the front panel. Serial JGP 2021 (Fujisawa Yukishi) Maintenance information: 2026.2.6 maintained (panel disassembly meter part acrylic removal cleaning, replacement due to AC cord damage, lamp replacement , switch disassembly, polishing, and application of protective agents, repair damaged screw holes and screw replacement, foam rubber material replacement, volume and switch checks, and peeling correction around the letters are not possible. Bias and offset check, output audio check) Accessories: No accessories Main specifications: 300W+300W (2/4/8Ω), 600W during MONO (2/4/8Ω) W445 x H196 x D420 mm 35 kg
- description
- 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
- 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
- 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
- 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
- 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
- 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
- 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
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Hi-Fi Do Record Shops Softs, Audio parts and Tubes can ship overseas.Ordinary,we use EMS but for large order,we use SAL or Surface.For Asia,it cost 1,200JPY/1LP,900JPY/1CD.Please check at the shipping cost table for more detail.
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