2023 Maintained! One of the best masterpieces of pre-main amplifiers in SANSUI history. It's powerful, with a sense of extrusion, and makes you hear a stretchy and expansive sound. The deep sinking low frequencies and the good tone unique to MOS are some of the best finished premains in SANSUI history. As for the exterior, there are scuffs and line scratches on the top plate. Serial 606068517 (Yonejima Satoshi)
Maintenance information: 2023.6.23 maintained (power supply circuit part rectifier diode replacement, transistor, resistor exchange, indicator lamp replacement, protector part transistor replacement, output relay, headphone relay replacement, power amplifier part solder repair, rec selector, power amplifier direct switch disassembly, polishing grease application, each volume, switch cleaning, internal inspection and cleaning, SP terminal correction, adjustment, operation confirmation. (*There is some hardness on the SP terminal)
Accessories: instruction manual
Main specifications: effective output 150W+150W (6Ω) 110W+110W (8Ω) W450 × H176 × D486mm 32.1 kg
*Since the video has not been checked, it is currently being sold. 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 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
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
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: rated output 4Ω/60W+60W 8Ω/30W+30W practical maximum output 90W+90W frequency characteristics 10Hz-100kHz W435 x H139 x D331 mm 9.2 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
Maintained in March 2024! A prime amplifier developed during the heyday of CDs and gained popularity. The powerful, punchy sound quality, which combines the quality of the mid-high range with the power of the low frequencies, is attractive. There is room not found in lower models, and you can enjoy the sound with a sense of scale typical of SANSUI. As for the exterior, there is a scratch on the top plate. Serial 611088582 (Tomonori Asane)
Maintenance information: 2024.3.21 maintained (tone and other switches dismantled and polished with grease applied (turnover, subsonic, muting, loudness, processor, input selector, reck-out, power supply direct, source direct, tape, MM/MC changeover switch), power amplifier, power circuit transistor, resistor, adjustment volume, diode replacement, solder repair, each volume, switch Cleaning, output relay, headphone relay replacement, DC, bias adjustment, interior and exterior inspection cleaning, operation confirmation)
Accessories: instruction manual
Main specifications: Advanced α-X circuit equipped with 160W+160W (8Ω) damping factor 150 (8Ω) Phonomm/MC compatible W460 x H159 x D446 mm weight 33 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
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! 2024/6/6 sales price 99,800 yen with box! A pre-main amplifier with clear sound without unnecessary dramatization. You can enjoy the company's unique tone, which is clear yet powerful and sharp. Both the exterior has a modern and smart impression. You can use it regardless of genre. There is a small scratch on the top plate on the exterior. Serial 130140015 (Jun Tamai)
Maintenance information: 2024.6.6 sound released and confirmed
Accessories: original box manual, remote control, power cable, spike
Main specifications: 75W+75W (8Ω) 115W+115W (4Ω) W420 × H88 × D214 mm 7.0 kg
The disposal price has been reduced. Member prices are not applicable. 2024/6/4 sales price 498,000 yen upgraded product (green display on display). Jeff Roland's classic preamp. It's a supple, mature expression, and you can also listen to the sound of excellent quality. It is an excellent control amplifier that also has the great advantage of being easy to bring to your own favorite sound with accessories such as cables. There are stains all over the exterior, and there is a scratch on the front corner of the top plate (Kojima Yosuke)
Maintenance information: 2024.6.4 operation confirmed
Accessories: instruction manual, power cable, connection cable, conversion plug
Main Specifications: Input: XLR×5/Bypass XLR×1 Output: Main Out XLR×1/Record Out XLR×1 Preamp Part: W445 × H80 × D152.5mm 11kg Power Supply Unit: W445 × H38 × D122 mm 3 kg
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
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
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
The price has been drastically reduced. 2024/6/2 sales price 278,000 yen Maintained! This α907 limited model is limited to 2000 units. A premain amplifier that stands out for its high SNR and good sound unique to MOS-FET. The fine particle feel in the mid to high range is one of the best in the history of SANSUI premain amplifiers. Coupled with the thick, energetic mid-low range, it is a famous model that has not faded its appeal even now. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.6.2 maintained (power amplifier direct, etc.) switch disassembly polishing grease application (loudness, subsonic, muting, processor, reckout, MM/MC switch, input selector, source direct, tape), output relay replacement, power amplifier section, power supply transistor, adjustment volume replacement, solder repair, volume, switch cleaning, DC, bias adjustment , running test)
Accessories: copy of instruction manual
Main specifications: 80W+80W (8Ω) MM/MC compatible MOS-FET use W466 × H166 × D453 mm 34 kg
Maintained! A premain amplifier boasting high driving power, supported by a strong power supply unit typical of Sansui. The sound is soft and transparent, yet also has firm, thick bass. The sophisticated design is also attractive. There is rust on the exterior and back of the top plate, and a feeling of use such as dullness and abrasions can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.6.2 maintained (output relay, headphone relay replacement, recouped wire switch due to damage, input selector, etc., switch disassembly polishing grease application (tone, loudness, subsonic, processor, power amplifier direct, source direct, tape, reckout switch), solder repair, each volume, switch cleaning, interior and exterior inspection cleaning, adjustment inspection)
Accessories: none
Main specifications: 130W+130W (8Ω) rated power consumption 330W W471 x H162 x D452 mm weight 23.5 kg
Maintained! The thickness of the mid range and the thickness of the low range are an exciting masterpiece pre-main. The special phono part uses a transformer for built-in MC boosting. Compared to lower models, it combines the politeness of being able to enjoy classical music. Appearance, dullness, abrasions, and a feeling of use can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.6.2 maintained (tone switch and other switches dismantled and polished, coated with grease (subsonic, loudness, muting, input selector, reckout), output relay, headphone relay replacement, main amplifier transistor, adjustment volume replacement, solder and board repair, balance volume replacement, each volume, switch cleaning, interior and exterior inspection cleaning, adjustment, operation confirmation)
Accessories: copy of instruction manual
Main specifications: 130W+130W (8Ω) PHONO (MM/MC) 2 systems W460 x H160 x D444 mm 18 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
Designed with a complete dual mono configuration from the power transformer. The pre and power are also independently configured. The high range is sparkling, and the mid and low frequencies are thick, making it a profound sound. The exterior has dullness, threads, and scratches on the front (Ryo Mizusaki)
Maintenance information: 2024.5.31 Maintained (The battery was replaced and the board pattern was corrected due to liquid leakage in the function memory battery. (Since the VR shaft is long, accuracy cannot be achieved, and stress is applied to the VR, so the extension shaft flexible joint Assy was replaced)
Accessories: remote control, instruction manual, power cord
Main specifications: effective output 85W+85W (8Ω) 170W+170W (4Ω) input: unbalanced (RCA) x 6 systems (1 system is PHONO: MM/MC compatible, 1 is TAPE) outer dimensions W440 mm x H95 mm x D400 mm weight 13 kg
Maintained! The balance between the good sound typical of the 70s Accuphase and the high frequency with good extension of the FET amplifier is wonderful, and it makes you enjoy the dense sound that is hard to feel with modern amplifiers. The champagne gold and VU meter designs are also a model that shines visually. The exterior has seal marks around the power switch and back speaker terminals. There is overall dullness and small scratches (Mizusaki Ryo)
Maintenance information: 2024.5.31 Maintained (FET, output relay, electrolytic capacitor, film capacitor, semi-fixed VR, lamp. Each was replaced due to defects and deterioration. Switch disassembly, polishing and cleaning. Card edge contact cleaning and solder correction. (Bias and offset adjustment output sound check, interior and exterior have been cleaned)
Accessories: copy of instruction manual, power cable
Main specifications: rated output 130W+130W (8Ω) 180W+180W (4Ω) W445 × H160 × D70 mm 20 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
The price has been 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
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 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
※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
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
The disposal price has been reduced! (Member price not applicable) 2024/5/24 sales price 128,000 yen A digital amplifier equipped with a Tripath class T PWM amplifier IC. It beautifully expresses the sense of energy and description. Gain can also be switched on the back, and it is compatible with a wide range of input sources. On the exterior, there are oxidation and scratches on the manufacturer logo. Serial 100210015 (Tamura Eiji)
Maintenance information: 2024.5.24 Operation confirmed
Accessories: instruction manual, power cable, spike
Main specifications: output 150W+150W (8Ω) 240W+240W (4Ω) W420 x H98 x D395 mm weight 13 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
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
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
The price has been drastically reduced. 2024/5/26 sales price 278,000 yen Maintenance and cabinet repair completed! This is a full set that combines 33 QUAD original transistor preamps and 303 power amplifiers with tuner FM3. Comes with a wood case that allows 33 and FM3 to be built in parallel. The impression is that the natural atmosphere has definitely increased, and the glossy way it rides and the sound that goes through the core make you think it's a vacuum tube amplifier (Oikawa Tetsuji)
Maintenance information: 2024.5.4 maintained (internal check, power supply, filter C, HPX circuit C, etc., there are many differences in capacity → replacement f cover misalignment → readjust, tuning indicator lamp back change, DIN SP-RCA female cable damaged → created)
Accessories: power cable, connection cable (2 types: DIN-RCA and DIN-DIN types), copy of the instruction manual, FM coaxial connector
Main specifications: external dimensions W550 x H113 x D220 mm, weight approx. 7.0 kg (actual measurement) [33] 3 input/line systems, 1 phono system (MM) [FM3] tubular FM dedicated tuner with automatic stereo/mono switching
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! 2024/4/23 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
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
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
※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
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! 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