Maintenance has been completed, including 11 capacitors and output relay replacement. There is no omission in the sound part of the basic model of the Lux Premium Main. Compared to those from the 70s, I have the impression that the transparency is higher. Although the output is 75W, you can enjoy firm, extruded bass. The exterior and top plate are light white, and in addition to paint deterioration throughout, you can see a feeling of use such as dullness, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.9.12 Maintained (output relay replacement, switch and volume disassembly contact polishing, input/output pin jack polishing)
Accessories: none
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 disposal price has been reduced (member prices are not applicable). The 2026/9/2 sales price is 128,000 yen. A pre-main amplifier that uses a unique “advanced DC parallel push-pull circuit” and designs the signal path from the input stage to the output stage as simple as possible. The sound starts up quickly, and the sound, which combines a transparent mid-high range with a thick low range, is attractive. It is a talented premain amplifier that honestly brings out the expression of the music while making use of the speaker's individuality (Yasuhito Koshihama)
Maintenance information: 2026.9.2 storefront operation confirmed
Accessories: remote control power cable
Main specifications: practical maximum output 120+120W rated output 80+80W audio input RCA x 4, XLR x 1 (No. 2 HOT) speaker compatible impedance 4 to 16 ohms W430 x H130 x D420 mm 17 kg
The price has been drastically reduced. 2026/8/19 sales price 158,000 yen. Maintained! The first α907 model. It has the best power and amount of information in the same series. The unique α-X balance circuit achieves a high signal-to-noise ratio. While it has the strength typical of Sansui, the sound is clear and allows you to clearly feel the outline is attractive. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2013.9.15 Maintained (main amplifier circuit relay, protector circuit transistor, headphone relay replacement, power supply circuit transistor solder correction, various input/output inspections, idling, offset inspection adjustments. Interior and exterior cleaning, panel volume, switch cleaning, running tests)
Accessories: copy of instruction manual
Main specifications: effective output 190W+190W (6Ω) 180W+180W (8Ω) damping factor 100 (6Ω) W448 × H160 × D441 mm 28.0 kg
The price has been reduced. 2026/8/22 sales price 59,800 yen Marantz small pre-main amplifier with built-in USB DAC. It was also developed in parallel with the new flagship Primaine “PM-10,” and at a reasonable price, it has a sound that shows a glimpse of that. I also recommend this one for those starting out with serious audio. There is a scratch on the input selector. Serial 12001628000811 (Fujisawa Yukishi)
Maintenance information: 2026.8.22 continuity confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: USB input PCM384 kHz/DSD 11.2 MHz rated output 35W+35W (8Ω) dynamic power 70W+70W (4Ω) input terminal/USB-B x 1, USB-A (front) x 1, coaxial digital x 1, optical digital x 2, analog x 2, output terminal/headphone x 1, subwoofer x 1, W304 x H107 x D352 mm 5.8 kg
The price has been reduced. 2026/8/20 sales price 59,800 yen The manufacturer has already maintained it, but there is a very slight humming sound from the internal power transformer. There are no usage issues with the PM-17SA refined model. 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 power that seems to be suppressed draws more precise and expressive depictions (Murakoshi Yoichi)
Maintenance information: 2026.8.19 manufacturer maintained (speaker relay, main volume replacement. Mechanical push SW disassembly contact cleaning. Soldering fixes for each board. DC offset, idling adjustment Each part was inspected and operation tested. *There is a slight roar from the main unit's power transformer. There are no usage issues)
Accessories: remote control, instruction manual, power cord
Main specifications: equipped with pre-out power-in terminals 60W+60W (8Ω) W458 x H110 x D429 mm 16 kg
Manufacturer's maintenance completed! Comes with a remote control. Denon's mid-level premain. The Phono is also attractive because it is compatible with MM/MC and has excellent cost performance. A model with a natural and clean tone that is easy to match with various speakers. It is also recommended as an introductory machine. You can see a feeling of use such as appearance, dullness, small scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.9.3 manufacturer maintained (amplifier board repair, solder correction. Source Direct SW Disassembly Cleaning Function SW, 12V relay replacement. Other inspection of various parts, operation sound test
Accessories: remote control, instruction manual, power cord
Main specifications: rated output 70W+70W (8Ω) playback frequency band 5Hz to 100kHz input 5 systems output 2 systems W434 x H134 x D410 mm 14.6 kg
A pre-main amplifier reminiscent of the Luxmans of yesteryear. It focuses on the middle range, which is most important in music, and achieves a moderate sense of range. The warm and relaxed lackstone remains the same, and combines the sharpness of modern times. It is MM/MC compatible and is compatible with analog, and although it is simple, it is one that shines with its good quality. Serial G301004906 (Hiura Katsuji)
Maintenance information: 2026.9.8 sound output confirmed
Accessories: instruction manual, remote control, power cable
Main specifications: output 50W+50W (8Ω), 75W+75W (4Ω) W402 x H169 x D330 mm 15.0 kg
The price has been reduced. 2026/9/6 selling price 198,000 yen Marantz's classic pre-main amplifier. Equipped with a digital volume that can be finely adjusted. The SN is higher than the previous model, and the texture in the mid to high range has been improved. The sound field is also widely secured, and the sound is of a higher quality than the price. The exterior is dull. Serial 20001032000618 (Fujisawa Yukishi)
Maintenance information: 2026.9.4 operation confirmed
Accessories: remote control, power cord
Main specifications: input LINE x 3, XLR x 1, PHONO (MM/MC) x 1 with PRE OUT 100W+100W (8Ω) W440 x H168 x D444 mm 26.6 kg
* Simple operation has been confirmed, but since the remote control is out of stock, it is cheap and is currently sold. 7.1 channel compatible AV amplifier. Please go to the theater system introduction machine etc. (Oikawa Tetsuji)
Maintenance information: 2026.9.6 simple operation confirmed (2ch sound output is OK, but the video system has not been checked)
Accessories: power cable
Main specifications: rated output 110W W420×H173×D433mm 13.4 kg
It is a premain that is the opposite of the popular 5000 series CDP-X5000. Equipped with MOS-FET, it is a musical amplifier that stands out from other Sony premains. The bass also has a driving feel that is larger than its size, and it sounds very good. There is a slight stain on the exterior and a feeling of use. Serial 201079 (Murakoshi Yoichi)
Maintenance information: 2026.9.2 sound output confirmed
Accessories: instruction manual (copy), power cord
Main specifications: 45W+45W CR-NF phono equalizer, MC head amplifier, toroidal transformer, compatible speaker impedance 4 to 16 ohms, frequency characteristics, 5 to 100 kHz, W280 x H100 x D400 mm, approx. 7 kg
*Since there is a DIRECT switch, it is inexpensive and is currently sold. Arkham's thin premain. It is small in size, and is also recommended as an introductory aircraft at an affordable price. Overall, there is a feeling of use such as small scratches and dullness (Oikawa Tetsuji)
Maintenance information: 2026.9.6 operation confirmed
Accessories: none
Main specifications: 40W+40W (8Ω) W430 × H85 × D332 mm 5.0 kg
*Currently sold. All accessories are missing. Yamaha's 7.1 channel network AV receiver. Equipped with a 7-ch/100W power amplifier, it realizes sound field reproduction with a rich three-dimensional effect using the unique “Cinema DSP 3D”. It is also compatible with Dolby Atmos and DTS, and automatic sound field correction of the viewing environment using YPAO is also possible. Furthermore, it is equipped with 7 4K/120Hz HDMI inputs, so you can enjoy a wide range of games as well as movies and music. It is also compatible with Wi-Fi, Bluetooth, AirPlay, MusicCast, and various streams (Eternity Future)
Maintenance information: 2026.9.6 operation confirmed
Accessories: none
Main specifications: rated output 100 w/ch (8 ohms, 20 Hz to 20 kHz, 2 ch drive, 0.06% THD) W435 x H171 x D377 mm 9.8 kg
Comes with original box! The current premain amplifier was born as a model commemorating Denon's 110th anniversary. It is a model that uses high quality parts from the SX1 LIMTED and specializes in sound quality and functionality. It is also equipped with a digital input, and the USB-DAC is DSD compatible. It's delicate, has a sense of dynamism, and plays a higher level of sound. Serial DBDJ062401393 (Tomonori Asaine)
Maintenance information: 2026.9.4 sound output confirmed
Accessories: remote control instruction manual, power cord, original box
Main specifications: 80W+80W (8Ω) speakers: load 4 to 16 ohms frequency characteristics 5 Hz to 100 kHz input: line input x 3, PHONO (MM/MC) x 1, EXT. PRE x 1, USB-B x 1, coaxial digital input x 1, optical digital input x 3 W434 x H182 x D450 mm weight 25 kg
Maintained by the manufacturer during AccuPhase! A premain amplifier developed as an ideal type of integrated amplifier by pouring in the technology that Accuphase has cultivated over many years. It's a very relaxing sound when you've lost strength in your shoulders. The power supply unit uses separate transformer/dedicated power supplies to completely prevent mutual interference between the power amplifier and preamplifier. The power transformer for a power amplifier weighs a whopping 9 kg. Bi-wiring connections are also supported. Scratches around the headphone jack are conspicuous. There is a small dent on the upper L side of the front (Daiki Goto)
Maintenance information: 2026.9.2 manufacturer maintained (output relays, replaced due to deterioration of each switch contact. Remastered by cleaning other switches and volume contacts. Push latch replacement Safety checks, pressure resistance tests, operation, and characteristic checks are OK. (Each readjustment, interior and exterior cleaning.)
Accessories: original box (for E-406V), manual, brand new remote control
Main specifications: 170W+170W, 8Ω, pre-power separable, 6 input systems (with phono input), tape input/output, 2 systems, balance (XLR), 2 systems, W475 x H180 x D423 mm, 28 kg
Comes with original box The top model of the premain amplifier launched by AccuPhase to commemorate its 40th anniversary. Uses AAVA volume. The power amplifier section with pure Class A operation is designed to be resistant to changes in the surrounding environment. High quality sound with an overwhelming sense of silence and scale. It's the ultimate premain with a high degree of perfection. There are no visible scratches on the exterior, etc., and it is good with just the degree of dullness (Kobayashi Hitoshi)
Maintenance information: 2026.9.2 operation confirmed
Accessories: remote control, instruction manual, power cable, original box
Main specifications: 30W+30W (8Ω), 60W+60W (4Ω) frequency characteristics 20Hz to 20kHz input terminals/balance (XLR) x 2 systems, unbalance (RCA) x 5 systems. Up to 2 option boards can be added to the rear panel W465 x H191 x D428 mm 24.7 kg
Maintained including volume and switch disassembly and polishing! A pre-main amplifier with the sharpness typical of Sansui. The sound quality, which is drier and sharper than the alpha series in later years, is attractive. One that goes well with speakers such as JBL. There are dullness and scratches (Daiki Goto)
Maintenance information: 2026.9.3 maintained (① output relay replacement ② main volume disassembly and polishing ③ switch disassembly and polishing (input selector, recout, tone, subsonic, muting, tape) ④ power switch replacement ⑤ equalizer section capacitor replacement ⑥ balance volume exchange ⑦ main amplifier capacitor, semi-fixed volume replacement ⑧ pin jack polishing, internal inspection cleaning, operation confirmation.) Maintained on 2015/1/11 (additional volume, switch cleaning, internal inspection, offset adjustment inspection, etc.)
Accessories: copy of instruction manual
Main specifications: execution output 80W+80W (8Ω) damping factor 100 rated power consumption 200W phono MM/MC compatible W460 x H160 x D404 mm weight 13.2 kg
※Since there are many scratches on the top plate, it is inexpensive and is sold as is. Pioneer pre-main amplifiers with high cost performance. It uses various technologies cultivated in advanced models, and is also recommended as an introduction to high-resolution sound sources, etc. The expansive sound quality and high SNR feel typical of recent amplifiers are also attractive. There are many scratches on the top plate (Oikawa Tetsuji)
Maintenance information: 2026.9.1 operation confirmed
Accessories: remote control, power cable, instruction manual
Main specifications: 40W+40W (8Ω) 70W+70W (4Ω) playback frequency band 5Hz to 100kHz W435 x H128 x D360 mm 7.9 kg
The disposal price has been reduced! (Member price not applicable) 2026/8/21 sales price 128,000 yen Sony ES class stereo integrated amplifier aimed at high quality music playback. We are particular about high-resolution playback, and are reviewing basics such as high-capacity power supplies and high-rigidity symmetrical chassis. Also, there is impedance switching for headphone users, making it convenient as a high-end headphone amplifier. The sound quality is clear and clear. There are no noticeable scratches on the exterior. Serial 2200996 (Fujisawa Yukishi)
Maintenance information: 2026.8.21 operation confirmed
Accessories: remote control, power cord
Main specifications: audio input RCA x 4, XLR x 1 (No. 2 HOT), practical maximum output 120+120W, rated output 80+80W, speaker compatible impedance 4 to 16 ohms, W430 x H130 x D420 mm, 17 kg
*I checked the sound output on 2ch, but the video system hasn't been checked, and the remote control is out of stock, so it's cheap, and it's currently on sale. Sony AV amplifier. It's affordable as an introduction to theater systems. There are scratches and insulator marks on the top plate (Oikawa Tetsuji)
Maintenance information: 2026.8.31 operation confirmed
Accessories: none
Main specifications: W430 × H160 × D435 mm 17.0 kg
The price has been drastically reduced. 2026/8/5 sales price 128,000 yen The switch has been maintained with volume decomposition polishing, sonic cleaning, etc.! The first 907 model in the 80s. It conveys energetic jazz and rock performances to the speakers with a powerful tone that is dense in the middle range. The markings are hard to see due to rust on the back rear panel. Exterior There are small scratches and dullness over time (Murakoshi Yoichi)
Maintenance information: 2026.8.4 maintained (main volume disassembly and polishing, switch disassembly and polishing (input selector, reqout, tone, filter, muting, frequency switching 3K, etc., tape), output relay, headphone relay replacement, solder repair, main amplifier semi-fixed volume replacement, tone circuit capacitor replacement, power supply unit floating resistor replacement, bus, treble, balance volume sound wave cleaning, inside Exterior inspection and cleaning, pin jack polishing, operation check, running test)
Accessories: instruction manual (copy)
Main specifications: effective output 120W+120W (8Ω) line input 2 systems PHONO input systems (MM/MC) W445 x H163 x D443 mm 17.5 kg
Maintenance has been completed, such as 4 capacitors, 2 adjustment volumes, relay replacement, soldering correction for each board, panel push switch disassembly contact polishing, etc. This is a pure Class A premain amplifier that combines subtlety and strength. The sound unique to Lux Class A amplifiers, which is smooth, glossy, and has a sense of scale, is attractive. The low frequency playback also has a sense of volume, and it has a reputation for being compatible with European speakers such as TANNOY. There is rubbing on the side and a line wound (Oikawa Tetsuji)
Maintenance information: 2026.8.26 Maintained (panel push switch disassembly contact polishing. The main volume is a high quality attenuator, so it cannot be disassembled. There are places where parts have been replaced due to previous repairs, so replace only where necessary. Replace the left and right pre-drive board capacitors. Output relay replacement. Idling current adjustment volume replacement in the main amplifier circuit. Soldering correction for each board such as other input boards and power supply boards. (I/O pin jack polish)
Accessories: copy of instruction manual
Main specifications: 50W+50W (8Ω), pure A class operation, high-capacity toroidal transformer, phono equalizer, MM/MC compatible, W438 x H176 x D467 mm, 30 kg
Manufacturer maintenance completed! A pre main amplifier with excellent cost performance. Although it is entry class, it is thick, and it sounds well with a well-balanced sound. It is one that makes you feel particular about functionality, such as having a pre-out terminal and being compatible with bi-amplifiers. As for the exterior, there are dullness and dirt marks on the top plate. Serial 8117251530 (Tamura Eiji)
Maintenance information: 2026.8.27 manufacturer maintained (relay replacement. Disassemble and clean the Loudness, Source Direct, and MM/MC switches. Resolder the amplifier circuit. Idle adjustment.)
Accessories: power cable ※ remote control missing
Main specifications: rated output 70W+70W (8Ω) 140W+140W (4Ω) playback frequency band 5Hz to 100kHz W434 x H134 x D407 mm 14.6 kg
The price has been reduced! 2026/8/7 sales price 69,800 yen. Marantz mid-level premain. It features a sense of transparency and delicate tone typical of Marantz. It is supported by a thin yet firm power supply, and you can enjoy stable sound. Serial 20000545001922 (Tomoho Asaine)
Maintenance information: 2026.8.7 operation confirmed
Accessories: Remote control power cord, copy of instruction manual
Main specifications: 90W+90W (8Ω) 140W+140W (4Ω) frequency characteristics 5Hz to 100kHz W440 × H123 × D444 mm 18 kg
The price has been reduced. 2026/8/10 sales price 6,000 yen*AC adapter (sold separately) is not included. It is a Class T (D class) amplifier equipped with the “TA2020” manufactured by TriPath, which has a reputation as a digital amplifier IC. You can hear very clear and delicate expressions. (FUJISAWA KOSHI)
Maintenance information: 2026.8.10 operation confirmed
Accessories: original box, instruction manual
Main specifications: 20W+20W (4Ω) size W96 x H32 x D150 mm
The price has been drastically reduced. 2026/6/27 sales price 168,000 yen VOL has been disassembled and cleaned and maintained! This is the Accuphase sound from the time when the high frequency range was good. The sense of power in the low frequencies is sufficient, and it drives both jazz and rock systems powerfully. There are small scratches and dullness on the exterior. Serial A2Y571 (Fujisawa Yukishi)
Maintenance information: 2026.6.27 Maintained (main volume maintained (replaced with used product). Switch and IC replacement (output relays have been replaced, no problems). (Voice check for each input/output)
2023.5.3 Maintained (output relay tone volume (no replacement click) electrolytic capacitor switch SP terminal black (used product of the same type) each replacement solder correction contact cleaning due to damage or deterioration of the switch contacts, each input/output sound check, interior and exterior cleaned)
Accessories: power cord, copy of instruction manual
Main specifications: PHONO input, pre-main separable, 110W+110W (8Ω) W445 x H160 x D370 mm 17.2 kg
The price has been drastically reduced. 2026/8/23 sales price 198,000 yen Yamaha's current premain amplifier. It uses high-capacity toroidal transformers, floating and balanced power amplifiers with Yamaha's patented MOS-FET output stage, etc., and has a powerful, information-rich mid-range expression. Serial Y079854QS (Takasaki Atsushi)
Maintenance information: 2026.8.23 sound output confirmed
Accessories: remote control, instruction manual, power cable
Main specifications: 90W+90W (8Ω) PHONO (MM/MC) damping factor 250 or more W435 x H157 x D463 mm 22.0 kg
Thorough maintenance has been carried out from polishing the contacts to replacing the deteriorated capacitors! A hit model during 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. Although it is an entry class, the spacious sound quality unique to the 80s is attractive. The exterior is dull and has small scratches (Ryo Mizusaki)
Maintenance information: 2026.7.5 maintained (① main volume sliding and replacement, polishing adjustment ② switch disassembly and polishing (input selector, tape selector, speaker, mode, tone, turnover, reck-out, cartridge, muting, direct, subsonic, adapter) ③ output relay replacement ④ replacement due to deterioration of incombustible resistance ⑤ power switch replacement ⑥ muting circuit capacitor replacement ⑦ bus, treble Volume sound wave cleaning ⑧ solder repair ⑨ interior and exterior inspection cleaning, bias adjustment, pin jack polishing, operation check)
Accessories: copy of instruction manual
Main specifications: 105W+105W (8Ω) PHONO MM/MC (40Ω/3Ω) W430 × H161 × D436 mm 19.6 kg
Premium warranty available until July 1, 2032! Beautiful one-owner item, original box included. The current model of the L-505 series is the new generation Z series. Equipped with a newly developed amplified feedback engine “LIFES,” it has achieved even more versatility as an integrated amplifier while inheriting all sound quality improvement know-how from higher-level models. It is in good condition (Oikawa Tetsuji)
Maintenance information: 2026.8.25 Operation confirmed
Accessories: remote control, instruction manual, power cable, original box
Main specifications: 100W+100W (8Ω) 150W+150W (4Ω) W440 × H178 × D454 mm 22.5 kg
The price has been drastically reduced. 2026/7/14 sales price 128,000 yen Maintenance has been completed, such as disassembling and cleaning the main volume, disassembling and polishing of each switch, replacing 31 capacitors and 13 transistors! This is a Sony premain amplifier representing the 70s. The sense of extrusion and thickness has increased, yet the Sony-like outline is an appeal not found in modern amplifiers. It's an amplifier that sounds better than it looks, and is a perfect match for vintage medium speakers such as the JBL4312 series. As for the exterior, there is a scratch on the top plate. Serial 205025 (Yonejima Satoshi)
Maintenance information: 2026.7.14 maintenance completed (volume decomposition, polishing, cleaning, etc., operation confirmation, running tests carried out.) 2026.4.23 Maintained (main, balance volume dismantled and cleaned. Multiple switch disassembly and polishing (function, filter, speaker switching) switch polishing (monitor mode loudness turnover) bus, treble volume sound wave cleaning. Power cord replacement. Replace the power lamp. Capacitor replacement (14 tones, 2 phono, 15 power stages) Transistor replacement (5 tones, 2 phono, 6 power stages) AUX1 input volume replacement. Pin jack polishing, bias adjustment, interior and exterior cleaning, operation check. *Since there is no relay, a pop sound is heard when the power is turned on. Push the SP only on the one you are using. (There is no sound when both are pressed)
Accessories: No accessories
Main specifications: output: 35W+35W (8Ω) 40W+40W (4Ω) W400×H149×D316mm weight 8.3 kg