The price has been reduced. 2024/6/9 sales price 10,000 yen ※Since the video has not been checked, it is currently on sale. Multi-function AV amplifier equipped with high sound quality surround circuit D.D.S.C. Digital, uses high sound quality technology AL24 Processing Plus for all channels, and is equipped with a high image quality 1080p compatible digital video interface HDMI. The exterior is dull and there are line marks on the front panel. Serial 7041502162 (Tomonori Asaine)
Maintenance information: 2024.6.8 Operation confirmed ※The video has not been checked.
Accessories: Remote control*LCD is dim, power cable
Main specifications: Equipped with a 192 kHz/24 bit compatible digital interface receiver, A/D converter, and D/A converter; Rated output: 8 ohms; 120 W x 7; size: W434 x H171 x D429 mm; weight: 18 kg
※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
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
*The remote control is out of stock, so it is cheap and is currently sold. An entry model with excellent cost performance. Since it comes with a phono circuit, you can also enjoy records. The sound quality is stable in both digital and analog. There are small wounds and dullness (Oikawa Tetsuji)
Maintenance information: 2024.5.28 Operation confirmed
Accessories: none
Main specifications: 50W+50W (8Ω) line input 4 phono 1 system (MM) with pre-out terminal W434 x H121 x D308 mm 7.1 kg
Beautiful item with original box! Equipped with a new Infineon amplifier IC. It offers high sound quality and excellent audio performance due to its excellent energy consumption efficiency. Of course, it can be used with stereo 165W+165W, but it can also be used with a 330W high-power mono amplifier in BTL mode. Serial 121913062307641 (Jun Tamai)
Maintenance information: 2024.6.20 sound output confirmed
Accessories: remote control instruction manual, power cable, original box, USB cable, Bluetooth antenna
Main specifications: sizeW198mm x D21mm x H41mm, weight 1.3 kg
Cambridge Audio's stylish small pre-main amplifier. In addition to convenient functions with a USB input, it is an amplifier where you can enjoy delicate and modern sound quality with a good sense of sound. The exterior has a slight feeling of use (Hiura Katsuji)
Maintenance information: 2024.6.20 sound output confirmed
Accessories: power cable
Main specifications: 45W+45W (8Ω) line input 5 systems USB input 1 system W430 × H86 × D350 mm weight 6.0 kg
※It smells like air freshener, so it's cheap. Marantz pre-main amplifier with excellent cost performance. The sturdy, heavy construction is unique to the heyday of audio. Class A operation can be switched, and both design and sound quality are unique to that time (Yasuhito Koshihama)
Maintenance Information: 2020.4.4 Maintained (Confirmation Symptom: The power does not turn on. Action: Power supply board repair correction. Fixed due to soldering deterioration in the main amplifier circuit and other circuit boards. Remote wire switch disassembly contact polishing. Bad output relay contact replacement. (I/O pin jack polish)
Accessories: none
Main specifications: 20W+20W (when grade A) 100W+100W (when AB grade) W454 x H165 x D380 mm 17.5 kg
This is a pre-main amplifier that allows you to enjoy everything from analog records to the latest high-resolution sound sources with high sound quality. The sound is clear and highly transparent, and it outputs music with a high sampling rate even more attractively. An independent dedicated board phono equalizer compatible with MM/MC is used. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.6.8 operation confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: 60W+60W (4Ω) 30W+30W (8Ω) practical maximum output 90W+90W frequency characteristics 10Hz to 100kHz W435 x H139 x D331 mm 9.2 kg
※It is inexpensive because it is in poor condition, such as rust. Maintained! A vintage Lux Premain model. The 75W yet firm, extruded bass and thick, mild mid-high sound are lackstones themselves. Enjoy playing records with a tasteful sound. The exterior is serial 2503734 (Yonejima Satoshi)
Maintenance information: 2024.5.25 Maintained (main amplifier circuit board solder correction. Switch and volume contacts corrected. Panel lamp replacement Output relay replacement. (I/O pin jack polish)
Accessories: No accessories
Main specifications: 75W+75W phono 1 system (MM/MC switching) line 2 tape systems, 2 tape systems, pre/power separable, W453 x H135 x D425 mm 13 kg
The price has been reduced! 2024/6/14 sales price 39,800 yen Maintained in 2019/12! An amplifier with excellent cost performance. It sounds great with a well-contoured sound at an affordable price. It is one that makes you feel particular about functionality, such as having a pre-out terminal and being compatible with bi-amplifiers. The exterior has scuffs on the sides. Serial 7117300736 (Tomonori Asaine)
Maintenance information: 2024.6.9 operation confirmed
2019.12.8 Maintained (main board soldered, adjustment relay replaced)
Accessories: Remote control instruction manual copy power cable
Main specifications: rated output 70W+70W (8Ω) 140W+140W (4Ω) playback frequency band 5Hz to 100kHz dimensions W434 x H134 x D407 mm weight 14.6 kg
※6 month warranty. The tuning is faithful to the original sound, which is a bit unimaginable from this ultra-compact body. I think we've been able to downsize well to this point. Please try it. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.6.18 Operation confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: 10W+10W 4Ω input: φ3.5mm stereo mini x 1 USB playback only x 1 square optical terminal x 1 micro USB B x 1 playback band 30 Hz to 40 kHz playable format WAV/FLAC (192 kHz/24 bit), MP3, WMA Bluetooth part: standard version 4.2 W117 x H53 x D179 mm 700 g
A small but authentic pre-main amplifier with a built-in FM/AM tuner. Comes with PHONO input (MM/MC), so you can enjoy analog well. It's a perfect match for those who can't play very loudly or for second systems. There are no major noticeable scratches on the main body, but there is corrosion on the battery part of the remote control (Oikawa Tetsuji)
Maintenance information: 2024.6.3 operation confirmed
Accessories: remote control, power cable
Main specifications: 75W+75W (8Ω) 150W+150W (4Ω) MC/MM compatible AM/FM tuner built-in W300 x H80 x D341 mm 5.5 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
※The manufacturer logo on the front is missing, so it's cheap. Maintained! A pre-main amplifier that allows you to enjoy the glossy and thick sound typical of Sansui. What is noteworthy is the mid-low range, and the bass line, which clearly reveals the outline, is an appeal unique to the KX series during this period. There are scratches, bumps, dirt marks, etc. on the exterior. Serial 613082601 (Tamura Eiji)
Maintenance information: 2024.6.13 maintained (input selector, etc., switch dismantling and polishing grease application (power amplifier direct, source direct, tape, tone, loudness, muting, processor), output relay replacement, protector part capacitor replacement, power amplifier part resistor replacement, interior and exterior inspection and cleaning, operation confirmation)
Accessories: No accessories
Main specifications: 90W+90W (8Ω) phono mm/MC compatible dimensions W430 x H161 x D446 mm weight 18.0 kg
Maintained! A pre-main amplifier with Class A operation that allows you to enjoy sharp sound. The moderate amount of extrusion is comfortable, and this model is suitable for jazz and rock. The exterior has small scratches and dullness appropriate for the model year (Daiki Goto)
Maintenance information: 2024.1.22 maintained (balance volume (replacement) replacement, output relay replacement, input selector, reck-out, MM/MC switching, MONO, loudness, CD direct switch disassembly polishing grease application, solder repair, other volumes, switch cleaning, internal inspection and cleaning, operation confirmation.)
Accessories: copy of instruction manual
Main specifications: 100W+100W (8Ω) input 6 systems PHONO (MM/MC) quarter A amplification method using CD/PHONO direct switch W462 x H164 x D376 mm 14.3 kg
Maintained! ONKYO premain amplifier with high cost performance. A non-feedback power amplifier is used, and the power supply transformer is of high quality and carefully crafted. The power amplifier direct position allows direct input to the power amplifier via volume only. The exterior is dull. Serial 4604014114 (Yonejima Satoshi)
Maintenance information: 2024.2.15 Maintained (input selector, direct switch, etc. Switch disassemble contacts, polish contacts and apply contact cleaner. Main amplifier circuit input circuit soldering correction)
Accessories: instruction manual
Main specifications: 100W+100W (8Ω) PHONO input 1 system (MM/ MC switching) W445 x H165 x D434 mm 18.0 kg
Maintained! NAKAMICHIN's pre-main amplifier is in stock for the first time in a while. Simple design like an English amp. The thick, energetic sound typical of Nakamichi is attractive. The exterior has dents, dullness, and small scratches on the top plate. Serial 07436 (Yonejima Satoshi)
Maintenance information: 2024.5.31 Maintained (power switch replaced. Output relay replacement. (Switch and volume contact correction)
Accessories: No accessories
Main specifications: 80W+80W (8Ω) equipped with Phonomm/MC W430 x H125 x D360 mm weight approx. 15.0 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! An amplifier characterized by a clear and clean sound typical of ONKYO. It is also compatible with MM/MC, and LP playback is perfect. It is an easy-to-use model that is also suitable for beginners. There are small wounds and dullness (Oikawa Tetsuji)
Maintenance information: 2024.6.20 Maintained (panel switches are disassembled, contacts are polished and contact cleaner is applied. (Correction of solder deterioration in the input circuit)
Accessories: none
Main specifications: 100W+100W (6Ω) 80W+80W (8Ω) PHONO input 1 system (MM/MC switching) W455 x H170 x D430 mm 17 kg
It was maintained in 2019. A special edition of the PM-80. A popular Marantz model from the 90s that has both luster and strength. This is a geeky model where you can enjoy the difference in tone by switching between A grade and AB grade. There is a feeling of use, dullness, and small scratches. Serial MZ009046030013 (Murakoshi Yoichi)
Maintenance information: 2019.7.11 maintenance completed (speaker relay replacement, source/TAPE switch push button SW6 wear replacement, other MM/MC switching SW/INPUT selector switch SW disassembly contact polishing cleaning, idling CLASS A · B confirmation adjustment, confirmation of solder cracks on each board, partial repair, confirmation of sound output for each input/output connection)
Accessories: instruction manual (copy)
Main specifications: AB class 100W+100W (8Ω) A grade 20W+20W (8Ω) size W454 x H165 x D380 mm weight 17.5 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! A hit model in the heyday of audio by Sony. It has a relaxed, thick tone that you won't get tired of listening to, and it faithfully expresses the sauce without unnecessary seasoning. There is a chip on the corner of the side panel. Serial 203719 (Fujisawa Yukishi)
Maintenance information: 2024.6.3 maintained (replaced with a custom-made product due to VR loud sound, speaker relay replaced, MUTIG push SW replaced, other INPUT selector SW, cartridge LOAD SW, TAPE selector SW, SW disassembly contact polishing grease applied, other DC bias DC balance adjustments, confirmation of sound output for each input/output terminal connection)
Accessories: No accessories
Main specifications: 105W+105W (8Ω) PHONO MM/MC (40Ω/3Ω) W430 × H161 × D436 mm 19.6 kg
Although it has been cleaned, the cigarette smell remains, so it is cheap. Maintained! Marantz's mid-level premain. It is characterized by a sense of transparency and delicate tone typical of Marantz. It is supported by a thin yet sturdy power supply unit, and you can enjoy sound with a sense of stability. The main switch was damaged, and other dirt cannot be removed (Daiki Goto)
Maintenance information: 2024.6.17 Operation confirmed
Accessories: remote control, manual, power cable
Main specifications: 90W+90W (8Ω) 140W+140W (4Ω) frequency characteristics 5Hz to 100kHz W440 × H123 × D444 mm 18 kg
The price has been reduced! 2024/4/23 sales price 59,800 yen Manufacturer maintained! 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 is dullness and a feeling of use. Serial 1050502942 (Fujisawa Yukishi)
Maintenance information: 2024.4.23 manufacturer maintained (main volume and selector switch disassembly contact cleaning. (Idle current adjustment, operation inspection implementation)
Accessories: power cord
Main specifications: output 80W+80W (8Ω) PHONO (MM/MC) bi-wiring compatible dimensions W434 x H180 x D478 mm weight 22 kg
Maintained by the manufacturer! Comes with an alternative remote control. Denon's mid-level premain. It is attractive for its ease of use and high cost performance regardless of genre. This model is particularly attractive for its heavy build and low center of gravity noise in the same price range. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.6.18 manufacturer maintenance completed (main VR disassembly repair, input switching SW/speaker relay replacement, amplifier board solder correction, various parts inspected, operation confirmed)
Accessories: copy of instruction manual, replacement remote control, power cable
Main specifications: 80W+80W (8Ω) bi-wiring compatible UHC-MOS single push pull W434 x H180 x D478 mm 22.2 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 late model in the classic 607 series. It has high-resolution, well-defined sound, and is compatible with modern speakers. You can experience SANSUI's ability. There are threads and small scratches (Daiki Goto)
Maintenance information: 2024.6.2 maintained (maintenance contents/TONE and other subsonic, loudness, processor, muting, source direct, power amplifier direct, input selector, tape switch disassembly, polishing grease application, output relay replacement, protector capacitor replacement, each volume, switch cleaning, pin jack polishing, internal inspection and cleaning, running test.)
Accessories: copy of the manual
Main specifications: 105W+105W (6Ω) 90W+90W (8Ω) phono MM/ MC switching W430 x H162 x D452 mm 18 kg
Maintained! A late model in the classic 607 series. It has high-resolution, well-defined sound, and is compatible with modern speakers. You can experience SANSUI's ability. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.6.11 maintenance completed (protector circuit capacitor replacement, output relay replacement, phono and pin jack polishing, input selector, etc., switch disassembly polishing grease application (power amplifier direct, source direct, tape, tone, loudness, muting, processor switch), each volume, switch cleaning, internal inspection and cleaning, adjustment inspection, operation confirmation, running test)
Accessories: instruction manual (copy)
Main specifications: 105W+105W (6Ω) 90W+90W (8Ω) phono MM/ MC switching W430 x H162 x D452 mm 18 kg
Maintained by the manufacturer! Refined model of the PM-17SA. Further refinement has been applied to the highly transparent tone, which is clear and has good visibility. The thin and stylish design and the delicate expressiveness of modern SN are attractive. The subdued power draws more precise and expressive depictions. Serial MZ010248520101 (Murakoshi Yoichi)
Maintenance information: 2024.6.13 manufacturer maintenance (speaker output relay replacement, amplifier board soldering correction, source direct SW disassembly and cleaning, inspection of each part, operation test implementation)
Accessories: remote control, instruction manual, power cable
Main specifications: equipped with pre-out power-in terminals 60W+60W (8Ω) W458 x H110 x D429 mm 16 kg
A compact and convenient receiver. With a configuration of SACD/CD player+FM/AM radio+PHONO terminal (with MM/MC compatible phono equalizer), you can easily build a compact, and good-sounding system. You can see a feeling of use, such as the exterior, dullness, and noticeable scuffs on the sides (Kobayashi Hitoshi)
Maintenance information: 2024.6.7 operation confirmed
Accessories: remote control, power cord
Main specifications: rated output 37.5W+37.5W compatible speaker impedance 4Ω to 16Ω frequency characteristics 10Hz to 40kHz W300 x H110 x D341 mm 8 kg
Maintained! An eye-catching Lax pre-main amplifier with a unique indicator. It is a traditional lackstone, and the soft and warm mid-low range like a vacuum tube is attractive. The speakers, which have a solid sound quality, also play softly. There is a slight gap between the exterior and the BASS dial scale, and a feeling of use can be seen, such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.4.4 maintenance completed (14 deteriorated parts in each circuit replaced, switch and volume contacts corrected, input/output pin jack polished)
Accessories: none
Main specifications: 40W+40W (8Ω) W443 × H153 × D273 mm 9.3 kg
The price has been reduced! 2024/5/25 sales price 69,800 yen Manufacturer maintained! Rotel's pre-main amplifier. The successor to the company's RA-1062. A full-scale design that uses WBT terminals and other parts that cost more than the price. The unobtrusive and refreshing sound quality is compatible with a wide variety of genres. As for the exterior, there is a feeling of use such as scratches and dullness on the top plate. Serial 867-3031022 (Tomonori Asaine)
Maintenance information: Maintained on 2024.5.24 (volume rotation improvement implemented. Speaker relay contacts have deteriorated (both A/B), B has been replaced, and A improvements have been implemented. (Other maintenance carried out)
Accessories: remote control power cord
Main specifications: 75W+75W with MM input W431 x H99 x D358 mm 8.7 kg
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
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
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
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
Maintained in September 2023! A popular model from the late Sansui period. While expanding the range, the sound that makes you feel the thickness and energy unique to the company still fits well with modern speakers. The punch power in the mid to low range to easily drive a medium bookshelf speaker is truly amazing. There is a feeling of use on the exterior, dullness, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2023.9.3 maintained (input selector, power amplifier direct, source direct, tape switch disassembly, polishing grease application, output relay replacement, solder main part repair, various volumes, switch cleaning, interior and exterior cleaning, pin jack polishing, adjustment inspection)
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 reduced! 2024/5/28 sales price 79,800 yen Maintained by the manufacturer in 2024/4! DENON's pre-main amplifier. It is a mid-size model, and a staple machine with excellent stability, with firm bass and delicate high frequencies. In addition to the bass energy from conventional models, you can enjoy well-balanced sound that takes into account the high mid to high frequencies with a high sense of transparency. There is a feeling of wear on the exterior, such as scratches and dullness. Serial 8061507480 (Jun Tamai)
Maintenance information: 2024.4.17 manufacturer maintained (Rch amplifier circuit, transistor and resistor replacement. Amplifier board soldering correction (both channels). (Idle current adjustment and operation inspection carried out.)
Accessories: instruction manual, power cable, original box
Main specifications: rated output 80W+80W (8Ω) PHONO1 system (MM/MC switching) dimensions W434 x H181 x D480 mm weight 24.0 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
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)
The price has been drastically reduced! 2024/5/29 sales price 89,800 yen Hi-Fi pre-main amplifier for the network & streaming era. Network playback of high-resolution sound sources (up to DSD 5.6 MHz, PCM192 kHz/24 bit) and streaming services such as Amazon Music, AWA, and Spotify can be performed without using an external player, etc. The exterior is good with no conspicuous scratches. Serial BLP27191000468 (Yonejima Satoshi)
Maintenance information: 2024.5.29 Operation confirmed
Accessories: remote control, instruction manual, power cord, antenna
Main specifications: rated output 60W+60W (8Ω) streaming (Amazon Music, AWA, Spotify, etc.), internet radio, high-resolution file playback compatible W440xH125xD379mm (when the antenna is laid down) W440 x H190 x D379 mm (when the antenna is erected) mass 10.8 kg
Maintained! More than 50 years have passed since the release of Sony's vintage pre-main. The innocent tone doesn't make you feel stressed is good, and the balance from treble to bass is good, and the tone control response is good. The retro-futuristic design is also impressive. *This unit does not use a speaker protection relay, so it may make an abnormal noise when the power is turned on and off, but this is a specification. There is a scratch on the cabinet on the exterior (Sasaki Shota)
Maintenance information: 2024.6.13 maintained (board repair due to poor contact within the TONE board, 4 transistors with PHONO noise were replaced, adjusted semi-fixed VR due to unstable idling voltage, contact repair due to poor contact with each push SW contact, and volume slide VR disassembly and cleaning were performed.)
Accessories: none
Main specifications: 35W+35W (8Ω) input sensitivity/impedance Phono 1.2mV/47kΩ Phono 2 system Tuner 1 system AUX 2 system Tape 2 system AC100V, 50 Hz/60 Hz 100 W 400 x H149 x D316mm weight 9.8 kg
*Remote control is missing (VR adjustment with remote control is not possible due to VR replacement). Maintained! An advanced ESL series aircraft, a heavyweight premain with a high-rigidity G chassis. Equipped with a MOS FET, the sound is spacious and powerful. The exterior is dull and has small scratches (Ryo Mizusaki)
Maintenance information: 2024.6.21 maintained (mute push SW replacement, main VR with sound replacement, other speaker relay deterioration replacement, input switching, all tact SW replacement due to poor SW contact, other resistors 120Ω, 100Ω deterioration replacement, other sound direct SW disassembly contact polishing cleaning, speaker switching SW, stereo/mono switching SW, direct INPUT switching SW, direct INPUT switching SW disassembly contact polishing cleaning grease application, DC bias (The DC balance has been adjusted and the sound output for each input/output connection has been confirmed)
Accessories: copy of instruction manual
Main specifications: output 170W+170W (4Ω) 140W+140W (6Ω) 120W+120W (8Ω) W470 x H170 x D435 mm 24 kg
This is DENON's mid-range model, and is a staple machine with an excellent sense of stability, with firm bass and delicate high frequencies. In addition to the bass energy from conventional models, you can enjoy well-balanced sound that takes into account the high mid to high frequencies with a high sense of transparency. The exterior has small scratches on the top surface, back angles, etc. Serial 5061500510 (Murakoshi Yoichi)
Maintenance information: 2024.6.6 sound output confirmed
Accessories: power cord, instruction manual (copy)
Main specifications: rated output 80W+80W (8Ω) PHONO1 system (MM/MC switching) dimensions W434 x H181 x D480 mm weight 24.0 kg
The price has been reduced! 2024/6/11 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. The exterior is generally good, although there are very few minor scratches on the top plate. Serial AUY15230905053 (Takahashi Nobuyuki)
Maintenance information: 2024.6.11 operation confirmed
Accessories: instruction manual, remote control, power cable
Main specifications: 100W+100W (4Ω), 70W+70W (8Ω) frequency characteristics 5Hz-100kHz
W440×H128×D379mm 12.0kg
Maintained! Pre-main amplifier equipped with a linear-step MC transformer. Supported by SANSUI's traditional strong power supply, it has stable driving power, and the sound is dense in the mid-range. It is compatible with JBL 43 series monitors, and is characterized by strength not found in late SANSUI amplifiers. The exterior is peeling on the side wood veneer corners, and there is a slight feeling of use such as small scratches. Serial 821090015 (Murakoshi Yoichi)
Maintenance information: 2021.3.6 Maintained (main amplifier transistor and output relay replacement, headphone relay replacement, input selector, recalout switch disassembly and polishing, power supply floating resistor replacement, solder repair, each volume, switch cleaning, interior and exterior cleaning inspection, operation confirmation. ※There is a slight roar from the power transformer. There is no effect during the audition, but when there is no sound, you can tell by attaching your ear to the main unit. (The same applies to other models of the same type.)
Accessories: instruction manual (copy)
Main specifications: effective output 120W+120W W463 x H160 x D444 mm 17.7 kg