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1
- description
- Maintained in 2023/8. A masterpiece of very rare OTL amplifiers. Please enjoy the fresh, transparent, and powerful sound, and pure expressiveness that can only be experienced with OTL. There is a wound on the upper front (Oikawa Tetsuji) Maintenance information: 2026.3.21 operation confirmed 2023.8.26 Maintained (vacuum tube 6FS5 defect replacement · vacuum tube 6LF6 deterioration replacement · relay unstable disassembly repair · power switch knob damage replacement 4 times · 220 μF other deterioration replacement · 2 electrolytic capacitor 220 μF deterioration replacement · Bias and DC BAL. readjustment · RCA jack and vacuum tube socket caulking repair) Accessories: none Main specifications: AC100V output 60W+60W (16Ω) S/N ratio 85dB load impedance 2-100Ω W484 × H190 × D535 mm 27.2 kg
- description
- Full maintenance completed! A total of 80 deteriorated parts, such as 18 capacitors, 12 sockets, and 4 resistors, were replaced, and details were completely refreshed, such as refining SW/VOL disassembly contacts. Furthermore, the speaker terminals have also been replaced with those compatible with banana plugs, making it easier to use. Compared to the A series and MQ series, it has an overwhelmingly rich luster and just the right amount of delicacy. The driving power that pushes forward firmly and the glossy sound quality is attractive. The exterior is in a state where there is a feeling of use over time, such as dullness and slight small scratches. Serial 011103/011166 (Yamato Yuki) Maintenance information: 2026.3.26 Maintained (SW/VOL disassembly contacts repolished and oxidized/vulcanized grease applied. Input/output waveform confirmation, load test (1 kHz sine wave, 8 ohm load: 60 W+60 W, OK), sound output test) (Replace 12 vacuum tube sockets, 18 capacitors, 4 resistors, 2 RCA terminals, 2 semi-fixed VR, 4 spark killers, 8 SP terminals, 16 diodes, 4 micro SWs, 4 adjustment VR, 2 fuses, 2 power cords, and 4 knobs. The board was re-soldered and the input gain VR disassembled and cleaned. Load test (at 1 kHz, 8 ohm load: 60 W for both) Check input/output waveforms and perform sound output checks Accessories: 2 power cables, copy of the instruction manual (general purpose) Main specifications: Vacuum tubes used KT 88:2, 624G: 2, 12AU 7:1, 2AX 7:1, output 60 W, W370 x H170 x D 240 mm, 16 kg
Manufacture:McIntosh
Price: JPY 543,636(pair)
- description
- Maintenance has been completed, such as replacing the block capacitor and repairing poor main volume contact. A tubular mono power amplifier that makes you hear a profound, Macintosh sound. The sound has an air feel that is a bit different from the company's MC275. You can enjoy the relaxed and calm sound unique to vintage McKinn. This is a power amplifier I would like to try combining songs from yesteryear when I want to enjoy them with speakers from yesteryear. There are small scratches, dullness, etc. appropriate for the model year. (Oikawa Tetsuji) Maintenance Information: 2026.2.18 Maintained (◎ No. 5290, 80/40/30/20 μF Defect Replacement ◎ Main Volume Gari and Pair Replacement, 1 x 2, Additional Volume Knob x 2) 2024.8.8 Maintained (◎ Common Rectifier Tube 5U 4GB Light Emission Defect Replacement 1 x 2, Vacuum Tube Socket and RCA Jack Re-Caulking Repair*Other Operation Checked Including Aging with AC 100 to 117 V) Accessories: none Main specifications: KT88 push-pull 60W mono vacuum tube KT88 x 2, ECC83 x 2, ECC82 x 1, 12BH7 x 1, 5U4GB x 2 load 4Ω/8Ω/16Ω frequency characteristics 20 to 30,000 Hz W356 x H203 x D254 mm 20.7 kg/unit
- description
- Internal parts were thoroughly reviewed in 2024/5, and maintenance was carried out with attention to detail! A power amplifier with a separate name for the main part of the SQ38F series. The natural, smooth sound quality with a high sense of transparency is attractive. You can relax and enjoy classical music and vocals in a natural way. The deep sound quality that cannot be expressed with the latest vacuum tube amplifiers is exceptional. The exterior has scratches etc. on the top of the cover, and there is a feeling of use. Serial 805159 (Matsumoto Tsuyoshi) Maintenance information: 2026.3.25 Maintained (vacuum tube (6AQ8) replacement) 2024.8.2 maintenance (first stage vacuum tube replacement) 2024.5.29 maintenance (vacuum tube socket, block capacitor, electrolytic capacitor, oil capacitor, SP and RCA terminals, semi-fixed VR, fuse holder replacement. SW/VOL disassembly contacts are re-polished, and grease is applied to prevent oxidation and sulfidation. Input/output waveform confirmation, load test (8Ω load 1kHz 30W/30W), input/output waveform confirmation, sound output check performed) Accessories: copy of instruction manual Main specifications: output 30W+30W dimensions W410 x H160 x D205 mm weight 13.8 kg
Manufacture:P&C
Price: JPY 386,364 Sold Out
- description
- The price has been drastically reduced! 2026/3/15 sales price 498,000 yen Maintained! A single amplifier equipped with the last military vacuum tube GM-70 in the Soviet era. It has a softer tone than the 845, and the sound and breadth of the instrument is richer. Excellent compatibility with large ALTEC speakers, etc. There is a scratch on the front. (FUJISAWA KOSHI) Maintenance information: 2026.3.15 Maintained (WE310A electrode drawer and adhesive treatment between cap and vacuum tube body. Screw inspection and tightening treatment for the GM-70 socket part during internal inspection. The vacuum tube operating voltage was checked, and the GM-70 operated normally with a plate voltage of 920V and a current of 85mA. Bias is a self-biased method. A power supply for DC ignition was added to minimize residual noise. Also, since a voltage of about 1000 V is ignited to the output transformer, the secondary terminal 0V is connected to ground as a preventive measure to prevent electric shock due to transformer leaks, and the sound output test is good. Gain: 14.8 times (approx. 23 dB). Less than 10W (8Ω) near the maximum input volume with 1V input. Undistorted maximum output: 9W (at 8Ω1kHz) Frequency characteristics: 47Hz to 12kHz (-3dB) measured at 8Ω1W output. Input impedance: 100KΩ XLR terminal, but not 600Ω. (Number 2 is + and number 2 and 3 are Earth.) Accessories: power cord Main specifications: approx. 10W+10W (actual measurement) vacuum tube using GM-70 x 2 Philips ECG 5R4GYB x 2 WE 310A (top mark/small punch) x 2 W500 x H273 x D364 mm 38.1 kg (actual measurement)
Manufacture:McIntosh
Price: JPY 480,000 Sold Out
- description
- Vacuum tubes, block capacitors, etc. have been refreshed and maintained with attention to detail so that they can be used for a long time! Comes with a hood. You can enjoy the rich sound with stable operation. The fresh, glossy tone in the mid to high range has a different appeal from the MC275. The exterior has oxidation, scratches, etc. (FUJISAWA KOSHI) Maintenance information: 2026.3.20 Maintained (power transformer rewound repair. Vacuum tube 12AX7 replacement x 1 Input ground reinforcement treatment. Replace 4 250μF block capacitors and others. Electrolytic capacitor 12 μF deterioration replacement. Thermistor deterioration replacement. Diode addition/1W resistor deterioration replacement x 2. Vacuum tube socket and RCA jack caulk repair. Other operation checked (measured at 38 to 50 W SP: 8 Ω with rated output AC 100 to 117 V) Accessories: bonnet Main specifications: 40W+40W vacuum tube GE 6L6GC x 4, 12AX7 x 3, 12AU7x2, 12BH7 x 2 frequency characteristics 16 to 40,000 Hz dimensions W400 x D265 x H195 mm weight 25 kg
- description
- The disposal price has been reduced. Member discounts are not applicable. 2026/2/25 sales price 448,000 yen The capacitor was replaced and the exterior was repaired in 2025/6, and maintenance was completed. Comes with a hood. This is a famous gem that has both thickness and sex appeal while making a quick sound. There is no boomy sound, which is a drawback of vacuum tube amplifiers, and it is a vintage sound that is still popular today due to its good tone and good balance. Exterior, paint peeling, dullness, rust, scuffs, and a feeling of use can be seen (Kobayashi Hitoshi) Maintenance information: 2025.6.21 maintained (block capacitor 60 μF replacement, 40/40/20 μF replacement and exterior painting, 4 film capacitors replaced with 0.1 μF oil capacitors, BIAS readjustment/vacuum tube socket and RCA jack re-caulking repair*Other operation checked (measured at 32 to 41 W SP: 8 Ω at rated output AC100 to 117 V) BIAS switch switched There is a small amount of noise due to timing, but there is no effect on performance (replacement parts not available) 2014.9.16 exterior rework completed 2014.9.6 maintenance completed (EL.C80μF450V replacement and 2 exterior coatings, addition of selenium deterioration diodes, 4 VT EL34 replacements, block.c40μF x 3 replacement and external coating, Fuse3A → 2.5A SlowBlow ORG change, 4 diodes 1000V3A replaced, R2W → 4 units to return to 1/2W 100Ω original, AC cord replacement) Accessories: bonnet Main specifications: vacuum tube EL34, 6CG7 x 2, 6BH6 x 2 output 35W+35W W346 x H192 x D250 mm 21.9 kg
Manufacture:McIntosh
Price: JPY 634,545
- description
- The disposal price has been reduced! (Member discounts are not applicable) 2026/2/22 sales price 898,000 yen Maintenance has been completed, such as replacing 4 block capacitors and replacing 7 other capacitors! Comes with a hood. The original MC275 is the pinnacle of Macintosh tube amplifiers. A powerful sound with a velvety luster and full of vitality. Please enjoy the rich Macintosh sound. The exterior has hood oxidation, rust, etc. (Satoshi Yonejima) Maintenance information: 2026.2.22 Maintained (internal fuse replaced. 5W resistor replacement Vacuum tube KT88 strain and deterioration replacement 2 pieces. Replace 4 35/80/15 μF deterioration block capacitors. Replace 6 oil capacitors with 0.22 μF and other deterioration. Replace 3 20 μF electrolytic capacitors and other deterioration. Thermistor deterioration replacement and 2 additional thermistors. Diodes added. 2 SP terminal deterioration replacements. 2 1W resistor deterioration replacements. Simple lettering procedure. Vacuum tube socket and RCA jack caulk repair . Other operation checked (measured at 66 to 91 W SP: 8 Ω with rated output AC 100 to 117 V) Accessories: bonnet Main specifications: 5W+75W (in stereo) 150W (when mono) vacuum tube/12BH7 x 2, 12AX7 x 1, KT88 x 4, 12AU7 x 2, 12AT7 x 2 frequency band 16 Hz to 60 kHz input sensitivity 0.5 V input impedance 250 kΩ dimensions W311 x H203 x D438 mm weight 30.4 kg
- description
- In 2024/7, maintenance was carried out with attention to detail, such as capacitor replacement and SP terminal replacement! A kit model of a power amplifier using a 50CA10 3-pole output tube and an OY15 type output transformer, composed of circuits and parts conforming to the MQ60 type, which has been evaluated by LUXMAN. The sound of a vacuum tube has a sense of volume that seems to meet expectations, and it gently envelops you. The sound, which doesn't require scale, is particularly unique, and the slight thickness that spreads from below the mid-range makes you feel comfortable. The exterior has rust, oxidation, and scratches. Serial 574788 (Tomoho Asaine) Maintenance information: 2024.7.11 Maintained (vacuum tube sockets, block capacitors, electrolytic capacitors, oil capacitors, SP and RCA terminals, semi-fixed VR, fuse holder replacement. Check input/output waveforms and perform sound output checks. Impedance switching SW, gain VOL complete disassembly, contact refinement, and application of grease to prevent oxidation and sulfidation. Input/output waveform confirmation, load test (1 kHz sine wave, at 8 ohm load: 27W+27W, actual measurement), sound output test) Accessories: none Main specifications: 30W+30W 50CA10 push pull W410 x H160 x D205 mm 13.8 kg
- description
- Vacuum tube sockets, block capacitors, electrolytic capacitors, oil capacitors, SP and RCA terminal replacements, SW and VOL disassembly contact polishing, oxidation and sulfidation prevention grease coating, etc., have been refreshed and maintained. This model is based on the concept of making sounds even more straightforward than the MQ60. The warmth of the tone and the indescribable luster sound are truly lackstones. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi) Maintenance information: 2025.6.28 maintained (impedance switching SW/gain VOL disassembly contact polish, oxidation/sulfidation prevention grease application, input/output waveform confirmation, load test (1kHz sine wave, 8Ω load: 20W+20W confirmation) sound output test) 2025.6.26 maintained (vacuum tube socket, block capacitor, electrolytic capacitor, oil capacitor, SP and RCA terminals, semi-fixed VR, fuse holder replacement. Load test (8Ω load 1kHz 20W+20W), input/output waveform confirmation, sound output check performed) Accessories: none Main specifications: used vacuum tube 50CA10 x 4 12BH7A x 2 6267 x 1 EF86EH x 1 output 25+25W (4/8/16 ohm switch switching) speaker output 1 system W410 x H160 x D205 mm 13.8 kg
- description
- Maintenance completed in February 2025. A high output power amplifier representative of the Lux Kit. As with the original, the output tube was replaced with a GE 6550A, and the sound that combines both tasteful luster and strength is attractive. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2025.2.21 maintenance completed (all 4 output tubes 6550A replaced, 6AQ8 replaced, 2 RCA jacks replaced for deterioration, simple external and internal cleaning, re-soldering treatment at several parts of the board, vacuum tube socket caulking repair, and other measured output 50W (8Ω) measured with AC100V) Accessories: none Main specifications: mulard type drive circuit adopted 50W+50W W465×H168×D206mm 17kg
- description
- Refresh yourself with an overhaul such as replacing vacuum tube sockets and capacitors! After all, the warm and glossy sound quality is excellent for stringed instruments. It has a soft and vivid sound not found in transistors, making it perfect for listening for long periods of time. The exterior has dullness, small scratches, etc. Serial E1800423 (Fujisawa Yukishi) Maintenance information: 2025.12.9 Maintained (replaced due to defective vacuum tube (6240G). The bias, DC balance, and distortion have been adjusted again. Load test (8Ω load 1kHz 24W+24W), input/output waveform check, sound output check performed) 2025.11.18 maintained (vacuum tubes (50CA10 x 4 pieces), 4 vacuum tube sockets, 4 electrolytic capacitors, 2 film capacitors, 4 oil capacitors, 2 RCA terminals, 8 semi-fixed VR, 2 spark killers, SP terminals, 5 diodes, micro SW, fuse, power cord replacement. Load test (8Ω load 1kHz 24W+24W), input/output waveform confirmation, sound output check) Accessories: No accessories Main specifications: 50CA10 push-pull output 30W+30W W410 x H183 x H160 mm 13.8 kg
- description
- The interior has been thoroughly reviewed, such as replacing the vacuum tube socket and condenser, and has been refreshed with a bu-overhaul! After all, the warm and glossy sound quality is excellent for stringed instruments. It has a soft and vivid sound not found in transistors, making it perfect for listening for long periods of time. The exterior is dull. Serial 811243 (Tomonori Asaine) Maintenance information: 2025.8.11 Maintained (vacuum tube (50CA10×4), vacuum tube socket, electrolytic capacitor, film capacitor, RCA terminal, semi-fixed VR, spark killer, SP terminal, diode, micro SW, fuse replacement. Load test (8Ω load 1kHz 25W+25W), input/output waveform confirmation, and sound output check *About the NFB changeover switch This unit is equipped with an NFB changeover switch so that you can select the desired sound quality. (However, if you operate this switch during operation of this unit, shock noise will occur, so be sure to turn off the NFB ON-OFF before switching the power switch.) Accessories: none Main specifications: 50CA10 push-pull output 30W+30W W410 × H183 × H160 mm 13.8 kg
- description
- Maintenance completed in August 2020. Internal and external maintenance has been completed, such as replacing a coupling condenser with an oil condenser, replacing a banana-compatible SP terminal, and replacing a vacuum tube (50CA10)! This model is based on the concept of making sounds even more straightforward than the MQ60. The warmth of the tone and the indescribable luster sound are truly lackstones. You can see the exterior, dullness, scuff marks, paint peeling, etc. (Kobayashi Hitoshi) Maintenance information: 2020.8.25 maintained (50CA10 x 3, 12BH7 x 1, coupling capacitor, electrolytic capacitor, rectifier diode, semi-fixed resistor, RCA terminal, SP terminal, MT tube socket, fuse replacement. Gain VOL, impedance switching SW disassembly contact refinement, oxidation and sulfidation prevention grease coating circuit readjusted, input/output waveform confirmed, rated output tested) Accessories: none Main specifications: used vacuum tube 50C-A10 x 4 12BH7A x 2 6267 x 1 EF86EH x 1 output 25+25W (4/8/16 ohm switch switching) speaker output 1 system W410 x H160 x D205 mm 13.8 kg
- description
- Maintenance was carried out with attention to detail, such as replacing capacitors and replacing SP terminals! A kit model of a power amplifier using a 50CA10 3-pole output tube and an OY15 type output transformer, composed of circuits and parts conforming to the MQ60 type, which has been evaluated by LUXMAN. The sound of a vacuum tube has a sense of volume that seems to meet expectations, and it gently envelops you. Sounds that don't require scale are particularly unique, and the slight thickness that spreads from below the mid-range makes you feel comfortable and relaxed (Sasaki Shota) Maintenance information: 2025.7.25 Maintained (vacuum tube socket, block capacitor, electrolytic capacitor, oil capacitor, SP and RCA terminals, semi-fixed VR, fuse, spark killer, diode, micro SW replacement. Load tests, input/output waveform checks, and sound output tests are OK. Vacuum tube sockets, block capacitors, electrolytic capacitors, oil capacitors, SP and RCA terminals, semi-fixed VR, fuses, spark killers, diodes, micro SW replacement. Load test, input/output waveform confirmation, load test (1 kHz sine wave, at 8 ohm load: 25W+25W, actual measurement), sound output test OK.) Accessories: none Main specifications: 30W+30W 50CA10 push pull W410 x H160 x D205 mm 13.8 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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