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1
- 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
- ※Since the meter is defective on one side, it is inexpensive (there is a meter difference between the left and right, and the starting position is not at 0). Maintenance has been completed! 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
- 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 it 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
- description
- The price has been drastically reduced. 2025/12/17 sales price 198,000 yen Maintenance was completed in 2024/5. A Threshold power amplifier that uses a Stasis circuit developed by Nelson Pass. It is a talented model that combines sufficient driving power to make even large speakers sound well, and good sound separation. There are small scratches and dullness on the exterior (Oikawa Tetsuji) Maintenance information: 2024.5.9 maintained (check → large Lch distortion → normal instability in the board vibration test → pattern solder defect (crack) present, other power stage Tr all check, OK, operation check) 2023.3.25 Maintained (breaker switch replacement, operation check) 2023.2.15 Maintained (INPUT shield cable broken → re-soldered ~ operation check) Accessories: power cable Main specifications: rated output 200W+200W (20Hz to 20kHz, 8Ω) W480 x H192 x D480 mm 37 kg
- description
- The price has been reduced. 2025/12/18 Sales price 198,000 yen Refreshment maintenance completed with attention to details such as volume, replacement of 33 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 part 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 and 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
- description
- Maintained! 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. The exterior is scratched, dull, etc., and has a feeling of use over time. Serial 02014 (Jun Tamai) Maintenance information: 2025.12.18 Maintained (output relay, input volume exchange, left and right main amplifier board, power supply board soldered, all corrected internal dismantling and cleaning) Accessories: copy of the manual Main specifications: 240W+240W (4Ω) 200W+200W (6Ω) 170W+170W (8Ω) SNR 124 dB W435 x H165 x D422 mm 26 kg
- description
- The price has been drastically reduced. 2025/12/12 sales price 298,000 yen A power amplifier that inherits the direct lineage of the first P-300 when Accuphase was founded. It is easily compatible with low load impedances, and the deep, roomy playback sound is attractive. By connecting to a bridge, the driving power of the advanced P-7000 class can be reproduced. Serial I6Y537 (Hiura Katsuji) Maintenance information: 2025.12.12 sound output confirmed Accessories: power cord, instruction manual (copy) Main specifications: 75W+75W (8Ω) 300W (8Ω) single channel 3 para push-pull current feedback amplifier circuit W465 × H180 × D425 mm 24.0 kg when connected to a bridge
- description
- Maintained! 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 JBL vintage speakers is exceptional. There is rust on the back corner of the exterior (Mizusaki Ryo) Maintenance information: 2025.12.17 maintained (SP relay, sliders replaced due to plastic cracks in L and R sliders, full METER RANGE, SP switching SW complete disassembly and cleaning, rear input level SW, STEREO/MONO SW, POWER GUARO SW, complete disassembly and cleaning. The SP terminal, RCA terminal, and exterior have been cleaned. Input/output waveform confirmation, meter adjustment (Watts/dB adjustment), load test (1 kHz sine wave, at 8 ohm load: 200W+200W, OK) Accessories: copy of instruction manual Main specifications: 200W+200W (1/2/4/8Ω) input sensitivity 0.75/2.5V W411 × H181 × D368 mm 38.6 kg
- description
- Maintained! *The speaker terminals have been replaced with those compatible with Panana plugs. 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. There is a sense of scale, and the thick sound is full of fulfillment unique to that time. In particular, the combination with domestic 3-way products such as the Yamaha NS-1000M is excellent. There are small scratches and threads on the exterior. Serial 02183 (Fujisawa Yukishi) Maintenance information: 2025.12.17 Maintained (input volume contact defect replacement. (Both left and right main amplifier boards and power supply board soldering have been corrected.) Accessories: No accessories Main specifications: 240W+240W (4Ω) 200W+200W (6Ω) 170W+170W (8Ω) SNR 124dB dimensions W435 x H165 x D422mm weight 26 kg
- 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. The exterior has dullness and small scratches over time. Serial Q025197 (Yonejima Satoshi) Maintenance Information: 2025.12.17 Maintained (RCA pin jack replacement. Other internal checks. In-board bypass capacitor replacement. Gain setting capacitor replacement. Tr all check) Accessories: power cable Main specifications: output 140W+140W (8Ω) W321×H140×D238mm 12kg
Manufacture:AIYIMA
Price: JPY 16,364 Sold Out
- description
- Currently sold. Class D power amplifier with extremely high cost performance incorporating PFFB technology, etc. It's a modern, flat sound with excellent transparency and resolution. If you're looking for a desktop one, take this opportunity. The appearance is fine, with no noticeable scratches, etc. (Kobayashi Hitoshi) Maintenance information: 2025.12.16 Operation confirmed Accessories: power cord, connection cord, power adapter, original box Main specifications: Texas Instruments TPA3255 maximum output 300W+300W (4Ω) impedance 4Ω to 8Ω frequency characteristics 20Hz to 20kHz (±0.5dB) S/N ratio ≥ 116dB input terminal RCA/XLR/TRS combo jack output terminal speaker output (banana plug compatible) subwoofer output (RCA) W142 x H46 x D190 mm 1.1 kg
Manufacture:TOPPING
Price: JPY 54,364
- description
- The price has been drastically reduced. 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)
- 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
- description
- The disposal price has been reduced. Member discounts are not applicable. 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
- description
- The price has been drastically reduced! 2025/11/25 sales price 398,000 yen Maintained! The flagship model of the Macintosh power amplifier, the black version. 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. The exterior has age, dullness, and small scratches. Serial JCS5523 (Fujisawa Yukishi) Maintenance information: 2025.11.25 Maintained (input ATT, 10 electrolytic capacitors, lamps, ICs, and sockets replaced. Mode switch disassembly polishing cleaning. Card edge contact cleaning. Connector cleaning. Solder correction. Bias and offset checks. Output audio check) Accessories: copy of instruction manual, power cord Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg
- description
- The disposal price has been reduced! (Member discounts are not applicable) 2025/11/27 sales price 118,000 yen 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. There are dullness, small scratches, etc. appropriate for the model year (Oikawa Tetsuji) Maintenance information: 2025.9.22 maintained (CA 4PIN conversion cable (1M) installation, input terminal solder repair, main amplifier part solder repair, internal inspection and cleaning, running test) Accessories: power cable, connection cable, copy of instruction manual Main specifications: 45W+45W W120×H159×D324mm 8.2 kg
- description
- The price has been drastically reduced. 2025/11/27 Sales price 118,000 yen 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. 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
- Maintained! The flagship model of the Macintosh power amplifier, the black version. 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. 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 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
- 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
- description
- The disposal price has been reduced! Member prices are not applicable. 2025/11/18 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 (Asaine Tomoho) Maintenance information: 2025.11.18 maintained (internal check pattern repair piece ch check) 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
- description
- The disposal price has been reduced! (Member prices are not applicable) 2025/11/18 sales price 128,000 yen Maintained! The QUAD405 is full of appeal and makes you listen to the whole picture of the music in a tasteful way. Along with feedforward operation, the high quality, which smoothly transitions to A class operation at low levels and B class operation when the level rises, is also worth listening to. There are scratches, scuffs, and dullness on the exterior. Serial 4546 (Jun Tamai) Maintenance information: 2025.10.12 Maintained (INPUT connector VOL lead resoldering process check) 2025.7.2 Maintained (internal all dismantling checks, Tr, C, R checks, operation checks, rubber, etc.) 2016.12.23 Maintained (Vol replacement, Rch power, Tr replacement, capacitor resistor replacement (both channels) operation check) Accessories: Connection cord, power cord, copy of instruction manual Main specifications: 100W+100W (8Ω) dimensions W341 x H115 x D195 mm weight 9 kg
- description
- The disposal price has been reduced. Member discounts are not applicable. 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. Burn correction 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
- description
- The disposal price has been reduced. Member discounts are not applicable. 2025/11/8 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. The exterior has a feeling of use such as dullness. Serial 57794 (Murakoshi Yoichi) Maintenance information: 2025.11.7 Maintained (fuse replaced. Internal transistors, capacitors, resistance values, input/output waveforms, left and right balance checks, load tests, and comprehensive operation tests. Load test (1kHz sine wave, at 8Ω load: 100W+100W), sound output test. Running test 10H) 2018.5.24 maintenance completed (internal dismantling all checks, half-short leak replacement between power stages Tr x 1E-C, replacement of servo drop resistance defects in both other driver boards, operation check) Accessories: power cord, instruction manual (copy) Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
- 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
- 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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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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