The price has been drastically reduced! 2024/5/19 sales price 320,000 yen A next-generation model with the L-550AX reviewed and refined from basic performance. We have introduced the latest technology comparable to the higher-level model L-590AX2, such as the unique ODNF 4.0 amplification feedback circuit, the new LECUA 1000, and a buffer circuit with a discrete configuration. It is a practical modern machine with enhanced resolution while acquiring sound with a sense of luster and density unique to pure A class amplification systems. The exterior is good with no conspicuous scratches. Serial G60500154 (Yonejima Satoshi)
Maintenance information: 2024.5.19 Operation confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: rated output 20W+20W (8Ω) 40W+40W (4Ω) W440 × H178 × D454 mm 24.3 kg
Maintained! The mid-size α series uses an α-X balance circuit that prevents the effects of noise and distortion from the ground. The smooth, stretchy sound quality is attractive. Designed with CD playback in mind, the sound separation is good, and it is a classic premain that will keep you entertained regardless of genre. There are line marks and threads on the exterior. Serial 437100950 (Fujisawa Yukishi)
Maintenance information: 2024.5.21 maintained (tone, source switch, MM/MC switch disassembly, polishing grease application, power amplifier circuit transistor, adjustment volume replacement, output relay replacement, power supply part solder repair. Solder repair for other main parts, each volume, switch cleaning, interior and exterior inspection and cleaning, operation confirmation)
Accessories: No accessories
Main specifications: 90W+90W (8Ω) W448 x H160 x D441 mm 16.0 kg
Maintained! Best buy model from the late 90s. It inherits the traditional diamond actuation circuit, and is characterized by a well-balanced sound with a refined circuit configuration, such as a sense of SN in the mid to high range, and the certainty of the outline in the low range. Externally, there are bumps, etc. Serial 608024137 (Fujisawa Yukishi)
Maintenance information: 2024.5.21 maintained (input selector, power amplifier direct, reck-out, processor, MM/MC changeover switch disassembly, polishing grease application, speaker 1/2 tone, ride ness, subsonic switch replacement, output relay replacement, solder repair, protector capacitor replacement, adjustment inspection, operation confirmation)
Accessories: No accessories
Main specifications: 80W+80W (8Ω) phono (MM/MC) switching dimensions W432 x H165 x D450 mm weight 18 kg
Maintained! 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. The appearance is fine, with no noticeable scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.5.21 maintenance completed (tone and other switch disassembly polishing grease application (loudness, turnover, subsonic, muting, processor, input selector, power amplifier direct, source direct, tape, reckout switch), output relay, headphone relay replacement, power supply transistor replacement, power amplifier circuit transistor replacement, resistor, adjustment volume replacement, solder repair , interior and exterior inspection and cleaning, bias, DC adjustment, confirmation of each input/output, operation inspection)
Accessories: copy of 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
Maintained by the manufacturer in 2022. This model has eliminated unnecessary auxiliary functions and has been thoroughly particular about sound quality. You can enjoy the delicate sound that pursues linearity unique to pure A class. This model has expressive power that you wouldn't think of as a pre-main amp, and is still popular today. There are no visible scratches on the exterior, etc., and it is good with a slight dullness from the age (Kobayashi Hitoshi)
Maintenance information: 2022.8.3 manufacturer maintained (output relay contact deterioration replacement, power switch defect replacement, ultimate attenuator disassembly contact cleaning, power amplifier electrolyte capacitor replacement, styrene capacitor replacement, balance volume contact deterioration replacement, overall board solder rework, comprehensive adjustment, operation characteristic test OK)
Accessories: copy of instruction manual
Main specifications: pure A grade operation 50W+50W (8Ω) line input 8 systems (RCA x 7/XLR x 1) 2 phono systems (MM/MC) W438 x H176 x D467 mm 30 kg
Maintained! 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. There is a feeling of use on the exterior, such as dullness and small scratches. Serial 212487 (Hiroki Aso)
Maintenance information: 2024.4.26 maintained (MUT switch, push slide, SW exchange, volume VR, sound replacement, speaker relay due to deterioration, 14 parts replacement, other input selector, cartridge selector, each SW disassembly contact, polishing grease application, etc., DC bias balance adjustment, each input/output sound output check)
Accessories: copy of instruction manual
Main specifications: 105W+105W (8Ω) PHONO MM/MC (40Ω/3Ω) W430 × H161 × D436 mm 19.6 kg
A standard machine that also supports 192 kHz/24 bit digital input. With the theme of improving speaker driving power, the power transistors on the power amplifier driver stage have been made larger, and you can hear sounds with a higher driving power with a sense of stability. There are no particularly noticeable scratches on the exterior (Oikawa Tetsuji)
Maintenance information: 2024.5.3 operation confirmed
Accessories: remote control, power cable
Main specifications: 40W+40W (8Ω) PHONO (MM) optical digital input 2 systems coaxial digital input 1 system W440 × H105 × D370 mm 7.8 kg
Maintained! The mid-range α series uses an α-X balance circuit that blocks the effects of noise and distortion from the ground. The smooth, stretchy sound quality is attractive. Designed with CD playback in mind, the sound separation is good, and it is a classic premain that will keep you entertained regardless of genre. The exterior has rust spots, paint bald, etc. (Mizusaki Ryo)
Maintenance information: 2023.2.1 maintained (main amplifier output relay replacement, transistor and capacitor replacement, MM/MC, reckout switch disassembly, polishing grease application, solder main part repair, various volumes, switch cleaning, interior and exterior inspection cleaning, offset adjustment, operation inspection)
Accessories: copy of instruction manual
Main specifications: 90W+90W (8Ω) W448 x H160 x D441 mm 16.0 kg
The price has been reduced! 2024/4/27 sales price 39,800 yen*Inexpensive due to cigarette smell, remote control shortage, etc. Maintained. AX-501-SP is a special packaged version model compatible with AX-501 banana plugs. A premain amplifier with a fully balanced configuration and a high-output Class-D amplifier, and equipped with an XLR balanced input. With fully balanced transmission and ABLETEC Class D amplifiers, you can enjoy clear and supple sound quality. The mechanical design with an eye-catching classical analog meter is also excellent. There are scratches and scratches on the exterior. Serial 0020331 (Yonejima Satoshi)
Maintenance information: 2024.4.27 Maintained (knob/button repair (rework)) has been performed. (In addition to the above, each part is cleaned, inspected, and adjusted)
Accessories: power cable
Main specifications: maximum output 88W+88W (4Ω, 1kHz, JEITA) 55W+55W (8Ω, 1kHz, JEITA) rated output 70W+70W (4Ω, 1kHz, JEITA) 45W+45W (8Ω, 1kHz, JEITA) W290 × H81.2 × D264 mm weight 4.0 kg
Fully maintained! The 38 series is the most popular 38FD. It has a warm tone with a warm tone, and there is plenty of warmth in the bass and mids, so you can enjoy the true essence of lackstone where you can enjoy the afterglow of the tone. There is slight rust on the back, but there are no major scratches other than that (Oikawa Tetsuji)
Maintenance information: 2024.5.22 maintained (solder correction, input/output waveform confirmation, load test (1kHz sine wave, at 8Ω load: 27W+27W), sound output test)
2023.12.17 Maintained (oil capacitor, block capacitor, electrolytic capacitor, film capacitor, fixed resistor, rectifier diode, DIN terminal, power supply SW, monitor SW, master VR, balance VR, rear panel VR, VR, rear panel VR replacement, RCA terminal polishing, lever SW disassembly and cleaning and application of grease to prevent oxidation and sulfation, replacement of 2 vacuum tube main parts, 50CA10 replacement, cabinet exterior repair/polishing/oil finish, input/output waveform Check, check for residual noise,
Load test (1 kHz sine wave, 27W+27W at 8 ohm load), sound output test)
Accessories: power cable, instruction manual
Main specifications: 30W+30W (4, 8, 16 ohms) line input 4 systems phono 2 systems (mm) W476 x H190 x D335 mm 18 kg
Luxpremain entry model. You can enjoy solid LUXMAN sound at an affordable price. We recommend combining it with European speakers that are glossy, soft, and have a good tone. The exterior is dull and there are abrasions and small scratches on the top plate. Serial M90410348A (Yonejima Satoshi)
Maintenance information: 2024.5.22 operation confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: 70W+70W (8Ω) line input 4 systems (RCA x 4, XLR x 1), 1 phono system (MM), 2 tape systems W467 x H151 x D439 mm 13 kg
*Currently sold. There is poor contact with the balance, and there is a sound leak in the shaken part, which is the current situation. First generation of the best-selling 390 series. The compact body is equipped with a large toroidal transformer, and the sound quality is well-balanced and has a firm core at an affordable price. Recommended for those starting out with audio or those looking for a sub unit. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.5.19 operation confirmation (input/output possible, BAL contact is faulty)
Accessories: instruction manual
Main specifications: 60W+60W speaker output 2 systems line input 5 systems with PHONO (MM/MC) W434 x H120 x D279 mm 5.8 kg
Maintained by the manufacturer. It has an aspect as an entry model, but it is a model where you can fully enjoy the uniqueness of Accuphase. In addition to the wide range, it is supple and has a slight sex appeal, so you can enjoy it for 12 minutes. A powerful unit that sounds regardless of whether it is a large or medium speaker. In addition to conspicuous marks on the exterior and top plate, a feeling of use such as dullness, stains, and threads can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.5.17 manufacturer maintenance (push switch, volume, etc., cleaning, parts replacement, decorative plate installation, inspection of each part, adjustment, safety check, pressure resistance check)
Accessories: power cable, remote control, manual
Main specifications: 100W+100W (8Ω) parallel push-pull output stage current feedback amplifier circuit W475×H170×D424mm 21.4 kg
The price has been reduced! 2023/5/11 sales price 49,800 yen ※Since manufacturer repairs are not possible, it will be sold as is. The remote control is now in stock. It is a compact premain amplifier equipped with plenty of inputs in a 214mm half-size housing. Compatible with a total of 3 digital inputs, 1 optical 2 coaxial, USB input up to 192 kHz/24 bit, and Bluetooth audio transmission. It is compatible with all kinds of music sources. The exterior is dull. Serial 53330E001473 (Yonejima Satoshi)
Maintenance information: 2024.5.9 operation confirmed
Accessories: instruction manual (English characters), power cord, remote control
Main specifications: output 80W x 2ch (4Ω) output terminal subwoofer x 1/headphone x 1/input terminal LINE x 2/COAXIAL x 1/OPTICAL x 2/USB x 1 digital input USB maximum 192 kHz/24 bit COAX/OPTICAL maximum 192 kHz/24 bit other Bluetooth audio compatible (A2DP with aptX) W214 x H60 x D284 mm mass 2.8 kg
Transistors, capacitors, and many other parts have been replaced and refreshed and maintained! It was the highest-grade model at the time and had a vintage sound that overwhelmed the others, and by actively replacing deteriorated parts, the sound, which tends to be cloudy, has become clear, and the original momentum of the sound has been revived. It is particularly compatible with the JBL Lancer series back then. The exterior is dull, but it is in a good category even when viewed from the year it was released (Oikawa Tetsuji)
Maintenance information: 2024.5.15 Maintained (capacitor, transistor, heat dissipation sheet, semi-fixed resistor, fuse replacement. SP terminal created. Various SW/VR internal cleaning. Clean each board contact. Solder again after removing the old solder. Internal and external cleaning, idle DC offset adjustment. (Audio output tested for various inputs and all SP terminals)
Accessories: copy of instruction manual
Main specifications: 80W+80W (8Ω) frequency characteristics 5Hz to 100kHz tone control/bass, midrange, treble 3-stage adjustment W462 x H155 x D316 mm 17.5 kg
Maintained by the manufacturer! Accuphase mid-size model equipped with phono (MM/MC). Stable sound quality with high S/N, high resolution and high transparency. Also, just like this age, the bass has elasticity and energy, so you can enjoy it regardless of the music genre. There is a feeling of use on the exterior, such as dullness and small scratches. Serial K5X480 (Hiroki Aso)
Maintenance information: 2024.5.12 Accuphase maintenance completed (main volume contact cleaning, left channel, separate switch contact cleaning, foot, felt, capacitor replacement, Comp Subsonic switch replacement, insulation sheet replacement, meter logo, lamp replacement, internal and external cleaning, checking performance of each function, checking pressure-resistant safety)
Accessories: remote control instruction manual power cable
Main specifications: output 100W+100W (8Ω) power consumption 290W 8Ω load rated output 390W phono input 1 system (MM/MC switching) line input 7 systems (balanced x 2 systems, unbalanced x 5 systems) tape system 1 system dimensions W475 x H170 x D418 mm weight 20.2 kg
The price has been drastically reduced! 2024/5/9 sales price 118,000 yen Denon's pre-main amplifier combines popularity and performance. The resolution is even higher than the previous model, and the sound quality is high and the SN is smooth, and it is a powerful machine that combines thickness and energy in the mid to low range. It works flawlessly with all genres of music. As for the exterior, there are scratches on the front and dullness throughout. Serial 031501903 (Yonejima Satoshi)
Maintenance information: 2024.5.9 operation confirmed
Accessories: remote control, power cord
Main specifications: output 80W+80W (8Ω) PHONO input (MM/MC) size W434 x H181 x D435 mm weight 24 kg
Maintained. This model has been reproduced by utilizing Sansui's technology down to the smallest detail. It's a bold sound, but it also has a very clear outline and is also delicate. There are plenty of pleasant sounds of jazz, rock, soul, etc. There is a line wound on the top plate (Oikawa Tetsuji)
Maintenance information: 2024.5.14 Maintained (switch dismantling and polishing grease, etc. applied (tone, loudness, muting, subsonic, turnover, power amplifier direct, source direct, reck-out, tape switch), balance volume replacement, output relay, headphone relay replacement, power amplifier section transistor adjustment volume replacement, protector capacitor replacement , solder repair, volume, switch cleaning, interior and exterior inspection and cleaning, bias, DC adjustment, operation confirmation. (Balance volume is a reusable product)
Accessories: copy of instruction manual
Main specifications: effective output 6Ω160W+160W, 8Ω130W+130W power amplifier direct circuit (with both balanced and unbalanced inputs) PHONO (MM/MC) dimensions W460 x H159 x D446 mm weight 22.5 kg
Maintained by the manufacturer in 2022. This model has eliminated unnecessary auxiliary functions and has been thoroughly particular about sound quality. You can enjoy the delicate sound that pursues linearity unique to pure A class. This model has expressive power that you wouldn't think of as a pre-main amp, and is still popular today. Small scratches are scattered on the front panel (Murakoshi Yoichi)
Maintenance information: 2022.8.3 manufacturer maintained (output relay contact deterioration replacement, power switch defect replacement, ultimate attenuator disassembly contact cleaning, power amplifier electrolyte capacitor replacement, styrene capacitor replacement, balance volume contact deterioration replacement, overall board solder rework, comprehensive adjustment, operation characteristic test OK)
Accessories: instruction manual (copy)
Main specifications: pure A grade operation 50W+50W (8Ω) line input 8 systems (RCA x 7/XLR x 1) 2 phono systems (MM/MC) W438 x H176 x D467 mm 30 kg
Maintained by the manufacturer! 4th generation of the DENON 2000 series. It is an amplifier that can be enjoyed regardless of the genre of music, with its plump, loud mid and low frequencies, and a pleasant, sharp tone. The exterior has dents in the upper right corner of the front, light line scratches in the lower left corner, and dullness throughout (Kanai Hidetsugu)
Maintenance information: 2024.4/18 manufacturer maintenance (disassembling the switch, polishing the contact, grease coating, idling adjustment, operation test)
Accessories: instruction manual, power cord
Main specifications: High-rigidity 6-block, separated chassis, power amplifier, direct input, bi-wiring compatible, 80W+80W, W434 x H180 x D478 mm, 23.5 kg
Maintained! A masterpiece of the UK Aura along with the original VA-40! Warm and high-quality sound quality has been achieved through thorough circuit simplification. The cleanliness of not using a protection circuit or even a relay switch is reflected in the sound, so you can enjoy clear and natural sound quality. There is a feeling of use such as disappearing characters and scattering on the front panel. Serial 010040 (Takasaki Atsushi)
Maintenance information: 2024.5.11 maintenance (INPUT selector slide SW disassembly contact polishing cleaning contact grease application, tape monitor entry and exit push switch replacement) 2024.1.20 operation confirmed
Accessories: copy of manual, power cord
Main specifications: execution output 50W+50W (8Ω) input/PHONO (MM), LINE 4 system, TAPE input/output equipment W430 × H56 × D313 mm 4 kg
Maintained! A pre-main amplifier that inherits the sound of the D series and achieves even lower distortion. A model where you can feel the uniqueness of Sansui at the time in extruding low frequencies and making sounds. They are energetic, playable, and go great with jazz and rock, and are compatible not only with MM but also with MC, making analog fans happy. There is a feeling of use such as dullness, abrasion, corrosion, dirt, etc. (Kobayashi Hitoshi)
Maintenance information: 2023.11.21 Maintained (balance, main volume, output relay, power supply floating resistor, Mylar capacitor, equalizer operational amplifier replacement. Disassemble input selectors and other reck-out, tone, subsonic, and muting switches and apply polishing grease. (Each volume, switch cleaning, solder repair, interior and exterior inspection cleaning, adjustment inspection.)
Accessories: copy of instruction manual
Main specifications: 75W+75W (8Ω) PHONO (MM/MC) W445 × H163 × D403mm 12.4 kg
The price has been reduced. 2024/5/12 sales price 128,000 yen Maintained! Line-only pre-main amplifier. The output stage is a single-ended, ultra-linear connection that makes the most simple use of the EL34. It has a gentle sound unique to vacuum tubes, and it can be said that it is an attractive product as an interior decoration. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.5.12 maintenance completed (main volume replacement, monitor switch replacement, cathode resistor replacement, solder correction, vacuum tube pin cleaning, bias check, each input and output check)
Accessories: instruction manual, cloth cover
Main specifications: output 12W+12W A grade single W275 x H165 x D375 mm 14.0 kg
Disposal price has been reduced (member prices are not applicable) 2024/4/13 sales price 35,000 yen Maintained! A premain amplifier with an impressive warm color sound while keeping the clear, easy-to-see sound typical of ONKYO. Recommended for classical music, female vocals, etc. There are dullness over time, scratches, etc. (Daiki Goto)
Maintenance information: 2023.10.17 Maintained (maintenance contents/tone, reck-out, MM/MC switch disassembly, polishing grease application, main amplifier part solder repair, output relay replacement, volume, switch cleaning, pin jack polishing, input/output confirmation, operation confirmation. (Even after tone SW decomposition and polishing treatment, a small pop sound is made when turned on and off, but there are no interruptions in the sound.)
Accessories: copy of instruction manual
Main specifications: W435 x H164 x D434 mm 14.9 kg
The price has been drastically reduced. 2024/5/4 sales price 398,000 yen Glass panel brand new replacement included maintenance! A pre-main amplifier with a built-in McIntosh traditional output transformer. You can enjoy the rich and rich sound world typical of Macintosh. This is one that combines the sound appeal of modern and old McKinn. The sense of power that makes you feel the strength is similar to that of a separate amplifier. The exterior is good without any major noticeable scratches (Oikawa Tetsuji)
Maintenance information: 2024.5.3 maintained (panel dismantling and replacement, meter, illumination lamp replacement, in-board C deterioration replacement, RCA cleaning, SW, VOL cleaning, operation check, backup power supply transformer pattern, relay pattern solder crack correction)
Accessories: remote control, copy of instruction manual
Main specifications: 150W+150W (8/4/2Ω) phono input MM dimensions W445 x H179 x D508 mm weight 30 kg
The price has been drastically reduced! 2024/5/10 sales price 128,000 yen Maintained! Compact yet powerful. The clear, intense expression and sense of dynamism are attractive pre-main. I'm amazed at how much it feels to drive more than its size. The way it can easily drive everything from bookshelves to medium speakers is impressive. There are no noticeable scratches, but there are stains on the top plate. Serial 63424 (Fujisawa Yukishi)
Maintenance information: 2024.5.10 Maintained (main VOL cleaning, other internal checks. Replace deteriorated capacitors. Operation check)
2021.12.24 Maintained (resoldering part of the pattern in the board, replacement of other pre-section bypass capacitors, SW, VOL cleaning)
Accessories: power cord, connection cord
Main specifications: 1 RCA input, 3 DIN inputs, dimensions W205 x H76 x D276 mm, weight 4 kg
Disposal price has been reduced (member price not applicable) 2024/4/28 sales price 19,800 yen ※Currently sold product DENON's long-selling 390 series 4th generation premain amplifier. Recommended for desktops and those with limited size. A classic model that is small yet thick in the mid-range, and has a steady sound. The exterior has a feeling of use over time, such as yellowing and dullness caused by tar. Serial 3111503497 (Tomonori Asaine)
Maintenance information: 2024.4.28 Operation confirmed
Accessories: instruction manual copy remote control
Main specifications: 50W+50W (8Ω) PHONO (MM) W434 × H121 × D338 mm 7.0 kg
YAMAHA's heavyweight premain amplifier. The low frequency with good damping by a good power transformer and the clear sound typical of YAMAHA are attractive. The PHONO input is equipped with MC, making it a great specification for analog fans. The pre-main part can be separated, and there is potential for development into a separate part. There are a lot of front panel stains on the exterior. There is deterioration on the back side of the wood panel (Sasaki Shota)
Maintenance information: 2024.5.11 Maintained (right amplifier power circuit fault repair. Soldering correction in each circuit, including the left and right main amplifiers. Disassemble the switch and polish the contacts and apply contact cleaner. Bad output relay contact replacement. Knob installation correction. (I/O pin jack polish)
Accessories: copy of the manual
Main specifications: 130W+130W (8Ω) 150W+150W (6Ω) PHONO (MM/MC) pre-main separable W473 x H169 x D464 mm 26 kg
The price has been reduced! 2024/5/2 sales price 278,000 yen Maintained in 2022! 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. The exterior has bumps, line scratches, and corrosion on the back. Serial 604090021 (Fujisawa Yukishi)
Maintenance information: 2022.3.20 maintained (main amplifier circuit output relay replacement, headphone relay replacement, power supply transistor replacement, protector part transistor replacement, solder repair, input selector, power amplifier direct, source direct, tape, reck out switch disassembly, polishing grease application, each volume, switch cleaning, internal inspection and cleaning, offset adjustment, operation confirmation)
Accessories: No accessories
Main specifications: 80W+80W (8Ω) MM/MC compatible MOS-FET use W466 × H166 × D453 mm 34 kg
The disposal price has been reduced! (Member discounts are not applicable) 2023/12/29 sales price 59,800 yen Marantz middle class premain amplifier. It excels in the extension and subtlety of the treble, and the thickness of the mid-range sound has been added to make the sound quality satisfying to listen to. It's versatile and easy to use regardless of music genre. There is a feeling of use such as dirt on the top plate. Serial 15001620002441 (Takasaki Atsushi)
Maintenance information: 2023.12.29 Operation confirmed
Accessories: remote control, manual, power cord
Main specifications: rated output 70W x 2 (8Ω), 100W x 2 (4Ω) frequency characteristics 5Hz to 100kHz W440 x H128 x D379 mm 12 kg
Maintained by Electri. A new generation of performance has been achieved by adopting a powerful new microprocessor and the latest audio-grade parts. All digital inputs are integrated into separate slot-in modules, and modules can be exchanged to support future new formats. You can experience the new era of McKinn sound, which is highly transparent and spacious. The top plate is rubbed and there is a small scratch (Oikawa Tetsuji)
Maintenance information: Maintained on 2024.5.1 Electric (front display assembly replaced. Front switch damage replacement. Update the console firmware program to the latest version. Set to factory default state. Operation confirmation, other inspections)
2024.5.8 Maintained (acrylic removal on meter and display, removal of internal fog)
Accessories: remote control, instruction manual, power cable, original box
Main Specifications: Frequency Characteristics: 10Hz to 100kHz S/N Ratio: Phono (MC) 80dB · Phono (MM) 82dB · High Level 95dB · Power AMP 113dB Analog Input: RCA ✕ 5 System/ XLR ✕ 1 System/ MC/MM ✕ 1 System Each Digital Input: USB (PCM32bit/384kHz, DSD256, DXD384KHz) ✕ 1 system/TOSLINK/coaxial (24 bit/ 192 kHz) ✕ 2 systems each, MCT (CD/SACD) ✕ 1 system W445 × H194 × D476 mm weight 34.1 kg
The price has been drastically reduced! 2024/5/7 sales price 378,000 yen genuine Electric product. Macintosh's first hybrid integrated amplifier. Compatible with MM cartridges The preamp section consists of 12ax7A x 2 and 12AT7 x 2 vacuum tube circuits, and the output stage has a solid-state design with a direct coupled configuration, which combines strength and softness. There is slight dullness, but there are no noticeable scratches and it is good. Serial AGA4147 (Fujisawa Yukishi)
Maintenance information: 2024.5.7 operation confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: 100W+100W (8Ω) Phono (MM) W305 x H194 x D419 mm weight 12.7 kg
※Since it is cheap, it will be handed over as is. It is a small class D digital amplifier made in China, and it is one that seems to come in handy on a desktop, etc., even in terms of size. It is an inexpensive model with excellent cost performance. There are no noticeable scratches on the exterior (Tamura Eiji)
Maintenance information: 2024.5.9 operation confirmed
Accessories: instruction manual (no Japanese), remote control, power cable
Main specifications: 150W×2 W100×H125×D10mm weight 1.45 kg
The disposal price has been reduced! (Member discounts are not applicable) 2024/4/28 sales price 318,000 yen Denon's popular premain amplifier. It uses the latest generation UHC-MOS FET, which is also used in the predecessor flagship model SX1, and achieves both subtlety and strength at a high level, and drives the speaker firmly. The exterior has a feeling of use such as dullness. Serial 5111500216 (Tomonori Asaine)
Maintenance information: 2024.4.28 Operation confirmed
Accessories: instruction manual, remote control, power cable
Main specifications: rated output 120W+120W Phono (MM/ MC switching) input x 1 line LINE input x 5 systems EXT.PRE input W435 x H181 x D506 mm 27.4 kg
※Inexpensive because it is in poor condition. Surround system by the brand NIRO by Nakamichi Jiro, the former president of NAKAMICHI. 5.1 channel surround is achieved with a single speaker and subwoofer. A reference model using a full digital amplifier with thorough sound quality measures. You can see a feeling of use on the exterior, stains on the saran net, deposits on the top plate of the woofer, and dullness, scuffs, etc. all over (Kobayashi Hitoshi)
Maintenance information: 2024.5.5 sound output confirmed
Accessories: remote control, instruction manual, upgrade software
Main specifications: 3 input optical systems, 1 coaxial system, 2 analog speaker output 30W x 5ch, subwoofer 50W compatible formats DOLBY DIGITAL, DTS, AAC, DOLBY PRO LOGIC2 speaker 8cm full range sealed 8Ω woofer 20cm cone 6Ω body W200 x H55 x D296mm 2.2 kg, speaker W318 x H117 x D201 mm 3.4 kg, woo Fur W297 x H327 x D297 mm 6.5 kg
The price has been reduced. 2023/9/27 sales price 45,000 yen*The volume on the remote control cannot be controlled. Maintained! A small gap appears when switching between source direct SW, but this is the current situation. Maintained! A pre-main amplifier that allows you to enjoy tight low frequencies and extended high frequencies. It lets you listen to a performance that is faithful to the sauce and has no unnecessary flavorings, so it is compatible with any genre. The clean design fits well into the room. Serial 201711 (Murakoshi Yoichi)
Maintenance information: 2023.9.26 maintained (replacement VR, speaker relay, MUTING switch, power supply resistance 120Ω replacement, various board dirt cleaning and solder repair, function electric SW, direct SW disassembly contact cleaning, other DC bias DC balance adjustments.)
Accessories: remote control, instruction manual (copy)
Main specifications: 100W+100W (8Ω) line input, 3 tape systems, PHONO (MM/MC), W470 x H170 x D435 mm, 21.3 kg
Pre-main amplifier with USB-DAC. A jitter-free design that blocks input system jitter for all digital inputs, not just USB. All USB, optical digital, coaxial digital, and analog inputs are upsampled to 192 kHz/24 bit to perform excellent signal processing with high sound quality. You can see a feeling of use such as appearance, dullness, small scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.5.4 operation confirmed
Accessories: remote control, power cord
Main specifications: audio format USB: DSD 2.8 MHz/5.6 MHz (DOP method) to 192 kHz/24 bit (linear PCM), OPTICAL/COAXIAL: ~ 192 kHz/24 bit (linear PCM) output 13W+13W (8Ω) digital input USB (Type B), optical, coaxial, LINE (3.5mm stereo mini plug) USB connection environment [Mac] OS9.1/OS X10.1 or later [ Windows] XP/Vista/7/8 W149×D149×H33mm 890g
*Spikes are being ordered. This is a pre-main amplifier with a simple and clean design. The sound is straight and strong, and the sound images of the driving system are accurately reproduced. You can enjoy well-balanced sound even when the volume is low for everyday use. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.5.3 operation confirmed
Accessories: power cable, spike (on order)
Main specifications: 10W ✕ 2 (8Ω) W420 ✕ H98 ✕ D243mm 6.0 kg
The disposal price has been reduced! (Member discounts are not applicable) 2024/4/25 sales price 198,000 yen manufacturer maintenance completed! Tubular premain amplifier equipped with 300B. In addition to combining a vacuum tube with a modern design, it is easy to use with easy bias adjustment. Since it can also be used as a power amplifier using the PRE-IN terminal, it is also recommended for those considering separating them in the future. Serial 05050050 (Hiroki Aso)
Maintenance information: 2024.4.25 Maintained (maintenance including restoration of the contact point of the selector polishing volume ※ vacuum tubes can still be used, but they have deteriorated appropriately over time, so please understand that this is a current product)
Accessories: instruction manual copy power cable
Main specifications: maximum output 18W+18W (8Ω) vacuum tube 300B/A grade push-pull input terminal input RCA4 system
(4 rear systems, 1 tape out system) output terminals 6/8/16 ohm, 1 system each, TRIODE original 300B power consumption 220W size 440 x depth 320 x height 200 mm weight 20 kg
The disposal price has been reduced! (Member discounts are not applicable) 2023/12/29 sales price 99,800 yen Maintenance completed! The design full of oldies is attractive, and Newcam's mono mixer premain for PA. 6L6 is used as the output tube. Channel 1 is compatible with LINE, PHONO, and MIC, and channels 2 to 4 are compatible with microphones. The volume for each channel is around 12 o'clock, and MASTER is used for volume adjustment. There is a feeling of use such as small scratches and paint deterioration appropriate to the exterior model year (Kobayashi Hitoshi)
Maintenance information: 2023.12.12 maintenance (master volume disassembly, cleaning repair, MIC input transformer, etc. contact repair, left side front lamp off, 12AX7, 150 μF electrolytic capacitor replacement. Vacuum tube socket and RCA jack caulk repair. Operation checked (measured at 41 to 61 W SP: 8 Ω with rated output AC 100 to 117 V).
Accessories: none
Main specifications: 6L6 push-pull 60W mono LINE, 1 PHONO system each, MIC4 system W440 x H190 x D350 mm 16.5 kg
Maintained! DENON's vintage pre-main. It has a sense of transparency, three-dimensionality, and sound field that you wouldn't think of an amp from the 70s. Also, be sure to try out the deep and tasteful tuning that you can never enjoy with the company's current models. The cost performance is high! A feeling of use can be seen on the exterior, dullness, stains, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.4.24 maintenance completed (switch disassembly contact polishing, contact cleaner application) 2013.2.19 maintained (54 deteriorated transistors and capacitors replaced/use of nichikon MUSE, etc., RCA terminal replacement, speaker terminal replacement, input/output waveform confirmation, sound output test OK)
Accessories: copy of instruction manual
Main specifications: pre, main separable 32W+32W (8Ω) PHONO2 system (mm) W370 x H141 x D310 mm 8 kg
The price has been reduced! 2024/4/20 sales price 39,800 yen maintenance completed item! It looks like a Class A amplifier, and an unmistakable sound pops out from the moment it starts up. Furthermore, it is an attractive car with a glossy high range and a mellow mid range, making the whole sound brighter. The exterior has small scratches and dullness over time. ※The side panel is missing. Serial 308241173 (Yamato Yuki)
Maintenance information: 2023.11.13 maintained (main board solder repair PHONO earth terminal replacement speaker relay deterioration replacement RECOUT selector SW disassembly contact grease coating speaker switching SW disassembly contact cleaning idling adjustment sound output confirmation for each input/output connection)
(Explanation of specifications) There is rattling in the volume knob, but it is not a malfunction due to structural rattling
Accessories: copy of instruction manual
Main specifications: output level 90W+90W, medium output, pure A class, high output, non-switching, class A operation, phono MM/MC switching, dimensions W470 x H167 x D400 mm, weight 12 kg
*Since the remote control does not work, it is cheap and is sold as is. Model without phono module. This is a simple, compact Italian premain amplifier. It plays music comfortably with thick sound quality similar to analog audio. It has an elegant appearance that is not irritating. There are no noticeable scratches on the exterior (Kobayashi Hitoshi)
Maintenance information: 2024.4.20 Operation confirmed
Accessories: remote control, instruction manual, original box
Main specifications: output 140W+140W (4Ω), 70W+70W (8Ω) input RCA5 system W210 x H75 x D380 mm 6.3 kg
The price has been reduced. 2024/4/30 sales price 548,000 yen Denon premain amplifier. They generously introduced special custom capacitors, and I can only say that 4 years of development were spent, so it's pretty good. The sound is well grained, and the sound comes out comfortably over the entire area. The exterior is good with no conspicuous scratches. Serial BMM15220700235 (Hiura Katsuji)
Maintenance information: 2024.4.29 sound output confirmed
Accessories: instruction manual, remote control, power cable, original box
Main specifications: 50W+50W (8Ω) 100W+100W (4Ω) PHONO (MM/MC) balance input x 1, unbalanced input x 5, PHONO (MM) input x 1, PHONO (MC) input x 1, EXT. PRE×1 analog audio output terminal unbalanced output (RECORDER) ×1 frequency characteristics 5 Hz to 100 kHz W434 × H181 × D504 mm 29.5 kg
The price has been reduced. 2024/3/27 Denon mid-range model with a sales price of 45,000 yen. You can enjoy all genres with good modern response and unobtrusive sound quality. Since it is relatively thin, this model is recommended for those who are concerned about space. Phono is compatible with MM/MC. The exterior has small scratches, dullness, dirt, etc. (Oikawa Tetsuji)
Maintenance information: 2024.3.27 Operation confirmed
Accessories: remote control, power cable,
Main specifications: rated output 70W+70W (8Ω) dimensions W434 x H134 x D410 mm weight 15.5 kg
The price has been drastically reduced. 2024/4/11 sale price 59,800 yen Aura line exclusive premain amplifier. A slim premain amplifier with a premium chrome finish. You can imagine it from a clean face. It has a silky tone and goes well with European speakers. There is a slight feeling of use, such as a missing screw in the center of the back, scratches on the top plate, etc., and some lettering disappeared (Murakoshi Yoichi)
Maintenance information: 2024.4.10 sound output confirmed
Accessories: power cord, copy of instruction manual
Main specifications: 6 input systems with TAPE OUT 45W+45W (8Ω) Dimensions W430 x H62 x D310 mm Weight 5.0 kg