Maintained! Comes with a remote control. This model was created by gathering the know-how of the Integra series. There are only models produced with a thorough emphasis on sound quality, which is a bit different from other Integra series, and has a relaxed, relaxed sound. The exterior has dullness, threads, and small scratches. Also, the SP terminal has been replaced. Serial 6301012428 (Yonejima Satoshi)
Maintenance information: 2024.5.22 Maintained (disassemble the push switch and remote wire switch, polish the contacts, and apply contact cleaner. Volume contact correction. Remote control operation check OK)
Accessories: remote control, instruction manual
Main specifications: 155W+155W (6Ω) 120W+120W (8Ω) damping factor 400 (8Ω) frequency characteristics 2Hz to 100kHz W471 ✕ H170 ✕ D430 mm 26.6 kg
Maintained! Although it is a transistor amplifier, it has a warm sound like a vacuum tube with a faint scent. While it is glossy, it is also strong, so you can use it with any speaker. Exterior, dullness, scuff marks, rust, corrosion, etc. can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.5.25 Maintained (main amplifier circuit fault repair fuse replacement. Switch and volume affinity correction)
Accessories: none
Main specifications: 80W+80W (8Ω) W466 x H181 x D378 mm 15 kg
*Remote control is out of stock. Maintained! Onkyo's unique supercurrent amplifier configuration is used for the power section, and the smooth sound is impressive with a circuit that combines a MOS FET and a bipolar transistor. The sense of power in the low frequencies and the extension in the high frequencies play a slightly different sound from the others. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.5.25 Maintenance completed (switch disassembly, contact polishing, contact cleaner application. Soldering correction for each circuit board)
Accessories: instruction manual
Main specifications: 80W+80W (8Ω) W455 × H170 × D430 mm 17 kg
Currently sold. The tuner's auto tuning is not working, but the current situation is. This K series CD/USB receiver is compatible with playback of iPods/iPhones, USB memory devices, etc. This is a flat, unobtrusive amplifier with a straightforward sound. It can also be connected to a PC and is recommended for those who want to get started with desktop audio. Appearance, dullness, small scratches, and a feeling of use can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.5.19 operation confirmed (tuner auto tuning not working, other operations confirmed)
Accessories: remote control, power cord
Main specifications: 50W+50W W245 x H104 x D309 mm weight 5.7 kg
Maintained. This is a heavyweight premain amplifier manufactured by PIONEER. Since they are only from the bubble period, large quantities of material were used, and they are highly cost-effective amplifiers. Even the smallest sounds are clearly reproduced, and the sound quality, which is both thick, shows how well crafted it was unique to that time. Overall there are small scratches, dullness, etc. (Oikawa Tetsuji)
Maintenance information: 2024.5.19 maintained (output relay replacement, master volume exchange, muting SW exchange, direct switch, etc., switch disassembly polishing grease application (input selector, recoup, loudness, tape 3, speaker switching SW), each volume, switch cleaning, interior and exterior inspection and cleaning, operation confirmation. * (Additional note) Since the master volume is a replacement, it can be adjusted in detail when the volume is low to medium volume, but when the volume is raised and auditioned, the VR seems to be raised (12:00). (*When listening to a phono, the sound will not come out unless the EQ switch is turned on)
Accessories: instruction manual
Main specifications: output 100W+100W (8Ω) 120W+120W (6Ω) 150W+150W (4Ω) power consumption 270W dimensions W420 x H162 x D435 mm weight 19.6 kg
Maintained. An impressive pre-main with a glossy, elegant sound. The advantage of being equipped with MOS-FET is that visibility is good, and the good balance without feeling a sense of loss in sound is attractive. It is a model that can be enjoyed regardless of genre. There are small wounds and dullness (Oikawa Tetsuji)
Maintenance information: 2024.5.19 maintained (speaker relay replacement, push SW replacement due to sound interruption when switching MUTING switches, replacement volume with replacement volume for sound output, other INPUT selector electric SW, Cartrich LOADSW, speaker rotation switch, direct INPUT switch, polishing and cleaning grease application for each disassembly contact, DC balance DC bias adjustment, due to large internal dirt (Since it is a VR replacement for cleaning and volume, the volume cannot be changed with the remote control since it is not electric)
Accessories: copy of instruction manual
Main specifications: 100W+100W (8Ω) W470 × H165 × D435 mm 21.3 kg
Maintained by the manufacturer. The third generation of the Denon 2000 series. Frequency characteristics have been improved and low noise has been achieved by reviewing power parts, volume circuits, etc., while keeping the low frequency range with a sense of volume unique to the company and the high frequency range with elongation unchanged. Of course, it is a big hit model that is compatible with modern sauces, and doesn't make you feel that it's poor to listen to old sources. There are abrasions on the exterior and volume, and dullness and a feeling of use can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.5.14 manufacturer maintained (1 PSW rework, 12V relay, function SW replacement. (Amplifier board inspection, solder correction, operation confirmation test)
Accessories: instruction manual, power cord
Main specifications: output 80W+80W (8Ω) PHONO (MM/MC) bi-wiring compatible W434 x H180 x D478 mm 22 kg
Maintained! A popular model from late Sansui. While promoting wider range, the sound that feels the depth and energy unique to the company is compatible with modern speakers. The punching power in the mid to low range that drives a medium bookshelf speaker is truly a word. There is a feeling of use such as dullness and abrasions (Daiki Goto)
Maintenance information: 2024.5.9 maintained (maintenance contents/TONE, loudness, subsonic, processor, input selector, power amplifier direct, source direct, tape, reckout switch disassembly, polishing grease application, output relay replacement, power supply capacitor replacement, solder repair, each volume, switch cleaning, interior and exterior inspection and cleaning, operation confirmation.)
Accessories: copy of instruction manual
Main specifications: 90W+90W NEW HYPERα-X balance circuit PHONO (MM/MC) power amplifier with direct function W430 x H162 x D452 mm 18 kg
The price has been drastically reduced. 2024/2/18 Marantz pre-main amplifier with sales price 89,800 yen. The preamp circuit has been revamped to enhance spatial expression ability and detail reproducibility. Similar to the PM-10 and PM-14S1, a highly accurate electronically controlled volume is used for the volume circuit. It makes it possible to reproduce bass that combines a sense of scale and instantaneous power. Serial AWY15180500756 There are scratches on the top plate on the exterior (Hiura Katsuji)
Maintenance information: 2024.2.18 Operation confirmed
Accessories: remote control power cable
Main specifications: 100W+100W (4Ω), 70W+70W (8Ω) frequency characteristics 5Hz-100kHz
W440×H128×D379mm 12.0kg
The price has been reduced. 2024/4/24 sales price 69,800 yen ※Since the digital input circuit module cannot be repaired, the digital input cannot be used. Maintained! Kenwood pre-main amplifier. It plays clear, transparent mid-high frequencies and low frequencies with a firm sense of power typical of Kenwood in a well-balanced manner. There is an air cap mark on the top of the front panel. (KOBAYASHI Hitoshi)
Maintenance information: 2024.4.24 Maintained (input board connector correction, switch correction, contact correction, operation confirmation) 2023.5.21 Maintained (display lamp replacement. Switch and volume contact correction. (*The digital circuit module is broken, but the digital input cannot be used because it is not available)
Accessories: none
Main specifications: 150W+150W (8Ω) phonomC/mm mounted damping factor 1000 W 476 x H170 x D424 mm 19.7 kg
The price has been reduced! 2024/3/15 sales price 79,800 yen 2023/11 maintenance completed! The middle class of the Sansui α series. The strength of the bass and the sharpness of the mid to high notes are mixed in a well-balanced manner, so you can enjoy not only jazz, but also various genres such as rock and pop music. The exterior is dull and the top plate is damaged. Serial 637065630 (Tomonori Asaine)
Maintenance information: 2023.11.23 Maintained (disassembling and polishing grease applied to each switch (tone, turnover, loudness, muting, subsonic, power amplifier direct, MM/MC, reckout switch), each volume and switch clean output relay and headphone relay replacement main amplifier and power supply part solder repair, interior and exterior inspection, cleaning, side cover screw replacement operation confirmation when power is turned on It makes a popping sound, but it stabilizes in a few minutes)
Accessories: copy of instruction manual
Main specifications: effective output 160W+160W (6Ω) 130W+130W (8Ω) damping factor 100 (6Ω) W448 × H160 × D441 mm 20.3 kg
The disposal price has been reduced. Member discounts are not applicable. 2024/4/9 sales price 138,000 yen ※It is cheap because the condition is not good. Next-generation model of the L-550, a famous pure Class A amplifier that has been maintained by the manufacturer (*PHONO1 cannot be used due to a broken equalizer board). The very smooth, deafening warm color sound perfectly matches the delicate sound quality of pure A grade. It also has a reputation for analog sound, and thick sound quality can be obtained with both MM/MC. There is a feeling of use due to appearance, dullness, abrasions, scratches, paint deterioration, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.4.9 manufacturer maintenance completed (equalizer selector switch disassembly cleaning, correction due to broken equalizer board, other contact cleaning, general adjustment*PHONO1 cannot be used due to broken equalizer board)
Accessories: copy of instruction manual
Main specifications: pure A grade 50W+50W (8Ω) PHONO (MM/MC) PHONO/CD straight circuit system W453 x H174 x D470 mm weight 20 kg
Maintained! Pre-main amplifier with built-in DA converter. An amplifier that allows you to enjoy a gentle, expansive sound like Denon with analog input, and sound quality with a wide range with digital input. This amplifier can also be recommended as an amplifier to be combined with PC audio (Daiki Goto)
Maintenance information: 2024.2.21 maintained (function, recout, digital input, speaker, tape, loudness switch disassembly, polishing grease application, output relay replacement, bus volume replacement, solder repair, various volumes, switch cleaning, interior and exterior inspection and cleaning, digital input/output confirmation, operation confirmation. (*Since the bus volume is similar, the bus lifts slightly when the source is directly off)
Accessories: none
Main specifications: 110W+110W (8Ω) phono (MM/MC switching) 5 digital input systems (coaxial x 3/optical x 2) W434 x H180 x D420 mm 18 kg released in 1989 (Kojima Yosuke)
※Operation has been confirmed, but since it is cheap, it will be handed over as is. This is a KENWOOD KA series amplifier. It has a compact and clean design, and can be placed horizontally or vertically. The sound quality is as clean as it looks, and it is recommended for those who want to enjoy music in a small space. Serial 61100061 (Sato Wataru)
Maintenance information: 2024.3.26 Operation confirmed
Accessories: No accessories
Main specifications: 3 input lines 12W+12W (8Ω) dimensions W171 x H67 x D207 mm weight 2 kg