Currently sold. 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 is dull and there are small scratches on the corner of the top plate (Mizusaki Ryo)
Maintenance information: 2025.10.25 Operation confirmed
Accessories: remote control, instruction manual
Main specifications: 50W+50W (8Ω) PHONO (MM) W434 × H121 × D338 mm 7.0 kg
The thin, simple, and high-quality premain amplifier speaker features high driving power and shaded sound quality. *The power cannot be turned on or off with the remote control. There is a small scratch on the back. Serial 06026741 (Takasaki Atsushi)
Maintenance information: 2025.10.23 Operation confirmed
Accessories: remote control, power cord
Main specifications: 80W+80W RCA6 XLR1 system W450H115×D382mm 11.1 kg
DENON's pre main amplifier with excellent cost performance. It is compatible with MM/MC and is suitable for analog introductory machines and second systems. You can see a feeling of use on the exterior, dullness, stains, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.10.24 Operation confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: 70W+70W (8Ω) 140W+140W (4Ω) PHONO/MM/MC switching compatible W434 x H134 x D407 mm 14.6 kg
Thorough maintenance has been carried out from polishing the internal contacts to replacing the deterioration resistors! Standard ES Primain model released in 1986. It is also equipped with a cartridge load selector, making it a perfect car for those who want to use it in a wide range of ways. The sound has momentum, and the thick sound is attractive. The exterior has small scratches and dullness appropriate to the model year. Serial 211520 (Yonejima Satoshi)
Maintenance information: 2025.5.10 maintained (power lamp (green) out replacement, 14 parts of the board resistance deterioration replacement, 2 additional INPUT selectors, Cartrich LOAD selector, RECOUT selector, polishing cleaning grease application for each disassembly contact, mute push SW, source direct push SW disassembly contact polishing grease application, etc. DC bias/DC balance adjustment, input/output connection sound output confirm. (Internal cleaning carried out)
Accessories: instruction manual
Main specifications: 105W+105W (8Ω) phono input mm/MC compatible dimensions W470 x H161 x D436 mm weight 18.6 kg
The price has been reduced. 2025/10/16 sales price 79,800 yen with box! A network receiver compatible with various music streaming services. Equipped with unique sound field correction technology, you can enjoy high-quality sound that maximizes the appeal of high-resolution sound sources. The exterior is generally beautiful with no conspicuous scratches. Serial Y117863WY (Tomonori Asaine)
Maintenance information: 2025.10.14 sound output confirmed
Accessories: remote control instruction manual, antenna, original box, power cable
Main specifications: rated output 100W+100W/8Ω, 120W+120W/6Ω (2ch simultaneous drive, 20Hz to 20kHz, 0.07% THD) sampling frequency 384kHz/32bit (WAV*/AIFF), 384kHz/24bit (FLAC), 96kHz/24bit (ALAC), 48kHz (MP3/WMA/MPEG-4 AAC), 11.2MHz/1 bit (DSD256), 5.6MH/ 1 bit (DSD128), 2.8 MHz/1 bit (DSD64) * linear PCM format only. 32-bit float files cannot be played. Size 435W x 151H x 395Dmm (including legs and protrusions), mass 11.4 kg
The price has been drastically reduced. 2025/9/8 sales price 99,800 yen Denon's first full-size premain compatible with network playback. It uses a two-stage configuration with the same variable gain type preamp and power amplifier as the Denon 110th anniversary model PMA-A110, and the DNA of higher-level models, such as introducing similar high sound quality parts and exclusive custom parts, has been firmly inherited. The appearance is good with little feeling of use (Kobayashi Hitoshi)
Maintenance information: 50W+50W (8Ω) PHONO MM/MC Bluetooth version 5.4 playback sampling frequency DSD2.8/5.6 MHz WMA1, MP3, MPEG-4 AAC32 to 48 kHz WAV, FLAC 32 to 192 kHz Apple Lossless 44.1 to 192 kHz W434 × H131 × D375 mm 8.3 kg
Accessories: instruction manual, remote control, power cable, original box
Main specifications: 50W+50W (8Ω) PHONO MM/MC Bluetooth version 5.4 playback sampling frequency DSD2.8/5.6 MHz WMA1, MP3, MPEG-4 AAC32 to 48 kHz WAV, FLAC 32 to 192 kHz Apple Lossless 44.1 to 192 kHz W434 x H131 x D375 mm 8.3 kg
Maintained! Arrived for the first time in 7 years! This is a reprint of SANSUI's highest peak model AU-111. The power tube uses 6L6GC made by Svetlana. The knobs and insulators are made with care and made from solid aluminum. The energetic sound, which has nothing to do with muddy refinement in a good sense, is sure to capture the hearts of music enthusiasts who love jazz and rock and won't let go. The exterior is dull, etc., but it is a beautiful individual for its age. Serial 601060029 (Fujisawa Yukishi)
Maintenance information: 2025.10.24 Maintained (coupling capacitor replaced. Create and install jumpers, and fix solders. Vacuum tube pin cleaning. Check switches and volumes. Tone knob bending correction, bias adjustment, output audio check)
Accessories: power cord
Main specifications: use vacuum tube 6L6GC x 4/12BH7A x 3/ECC83 x 6 effective output 45 w/ch (8, 16 Ω) frequency characteristics 20 Hz to 50 kHz (± 1 dB) total harmonic distortion ratio 0.8% or less (8 Ω at effective output) mixed modulation distortion ratio 0.8% or less (8 Ω) damping factor 15 (8 Ω) input sensitivity/input impedance (1 kHz) MC (using HIGH, A-603S) 0.25 mV (30 to 100 Ω), MM 4.0mV (100kHz), LINE 250mV (100kHz) W460×H197×D433mm 26.0kg
Maintained! A late model in the popular classic 607 series. The resolution is high, the outline is clear, and matches well with modern speakers. You can experience the powerful mid to low range in this price range. The exterior condition is damaged and dull over time. Serial 605081769 (Yamato Yuki)
Maintenance information: 2025.10.23 maintained (master volume dismantling cleaning switch disassembly and polishing (input selector, power amplifier direct, tape, reckout) push SW disassembly and polishing (SP1, 2, tone, loudness, muting, subsonic, processor, MM/MC) output relay replacement protector part capacitor replacement solder repair other volume cleaning, interior and exterior Inspection and cleaning)
Accessories: copy of instruction manual
Main specifications: 105W+105W (6Ω) 90W+90W (8Ω) phono MM/ MC switching W430 x H162 x D452 mm 18 kg
※Side panels are in poor condition, such as chipping or peeling, so they are inexpensive. 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. With excellent sound pressure, you can clearly enjoy the contours of the bass and drums. The exterior is dull, side panels are peeling, scratches, back paint bald, etc. Serial 601042780 (Yonejima Satoshi)
Maintenance information: 2025.10.21 Maintained (master volume dismantled and cleaned. Push SW disassembly and polishing (poker 1.2, tone, turnover, subsonic, muting, loudness, processor) slide switch disassembly and polishing (input selector, power amplifier direct, source direct, tape, reckout, MM/MC) output relay, headphone relay replacement. Power amplifier section, transistor, adjustment volume replacement and solder repair. Power supply transistor replacement, solder repair. Other volume cleaning, interior and exterior inspection cleaning, DC, bias adjustment, operation confirmation)
Accessories: No accessories
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
The price has been reduced. 2025/9/26 sale price 69,800 yen Marantz mid-level premain. It is characterized by a sense of transparency and delicate tone typical of Marantz. Supported by a thin yet firm power supply unit, you can enjoy sound with a sense of stability (Murakoshi Yoichi)
Maintenance information: 2025.9.25 sound output confirmed
Accessories: remote control, power cord, instruction manual (copy)
Main specifications: 90W+90W (8Ω) 140W+140W (4Ω) frequency characteristics 5Hz to 100kHz W440 × H123 × D444 mm 18 kg
53 capacitors, 24 transistors have been replaced, and the VR internal dismantling and cleaning has been thoroughly brushed up! A flagship model from the 70s. Only this model has a very aggressive sound, and the sound comes out hot and forward. This is one car that makes jazz and rock sound crisp, thick, and exhilarating. Not only is the sound completely different from modern amplifiers, but the retro face is also attractive. The exterior has stains on the top plate and dullness on the metal part (Ryo Mizusaki)
Maintenance information: 2025.10.22 Maintained (53 capacitors, 24 transistors, 4 semi-fixed resistors, resistors, relays, 12 total SP terminals, 32 all RCA terminals, bulbs, 9 fuses replaced. Each SW and VR internal decomposition cleaning, board re-soldering flux cleaning, offset, and idle current adjustments were made. Input/output waveforms were checked, left and right balance checked, load tests, and comprehensive operation tests were performed to confirm normal operation. Load test (1kHz, sine wave, 80W+80W at 8Ω load, OK)
Accessories: 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
A mid-range premain amplifier using the new UHC-MOS. Compared to the previous model PMA-1500AE, which had a flat sound, the sense of resolution and sound image localization have been improved. The high signal-to-noise level, which is compatible with the latest sound sources, shines. There is a small scratch on the top plate (Oikawa Tetsuji)
Maintenance information: 2025.9.27 operation confirmed
Accessories: remote control, instruction manual, power cable
Main specifications: output 70W+70W (8Ω) PHONO (MM/ MC) built-in frequency characteristics 5Hz to 100kHz W434 x H135 x D414 mm 16.1 kg
The price has been drastically reduced. 2025/10/17 sales price 118,000 yen with optional side wood. This model is equipped with an MM phono equalizer and is compatible with a remote control for volume adjustment. In addition to dividing the transformer into 3 parts, changes have also been made, such as omitting the PRE-IN terminal, and the power supply LED is orange. In addition to the firm extrusion characteristic of vacuum tube amplifiers, you can enjoy a delicate and clear tone. There are some dents on the side wood (Murakoshi Yoichi)
Maintenance information: 2025.10.17 sound output confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: KT88 x 4, 12AX7 x 1, 12AU7A x 2 output 45W+45W W340 x H185 x D315 mm 15 kg
Hi-Fi is in stock for the first time! Black color model. A premain amplifier using the Dutch Hypex amplifier module Ncore. The clear sound quality with a high signal-to-noise ratio reliably depicts the delicate sound of high-resolution sound sources. There is an XLR balanced input that can be connected to balance. The exterior is good with no conspicuous scratches. Serial 2250008 (Yonejima Satoshi)
Maintenance information: 2025.10.19 Operation confirmed
Accessories: remote control, instruction manual, power cord, original box
Main specifications: rated output 115W+115W (4Ω) 70W+70W (8Ω) input section LINE input XLR (No. 2 HOT) x 1 system LINE input RCA x 3 system impedance 4Ω to 8Ω W290 x H812 x D264 mm weight 4.2 kg
Maintained in October 2021! 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. There are small scratches and dullness on the exterior. Serial 605021388 (Tomonori Asaine)
Maintenance information: 2025.10.19 Operation confirmation 2021.10.10 Maintained (main amplifier output relay replacement, headphone relay replacement, protector circuit section transistor replacement, solder main part repair, input selector, power amplifier direct, source direct, tape, reckout switch disassembly and polishing, each volume, switch cleaning, offset adjustment inspection , operation inspection)
Accessories: instruction manual
Main specifications: 80W+80W (8Ω) MM/MC compatible MOS-FET use W466 × H166 × D453 mm 34 kg
The price has been drastically reduced. 2025/10/7 sales price 69,800 yen with bottom box Denon's current network receiver. Made in 2023 It is positioned as an HDMI 2ch amplifier+network player developed for the need to enjoy various media with pure audio quality. Recommended for those looking for something with HDMI that has better sound quality than an AV amplifier. There are no particularly noticeable scratches on the exterior (Oikawa Tetsuji)
Maintenance information: 2025.10.7 operation confirmed
Accessories: remote control, power cable, original box, antenna
Main specifications: rated 100W+100W analog audio input x 2, PHONO input (MM) x 1, optical digital input x 2, coaxial digital input x 1, 2.2 channel pre-out x 1, headphone output x 1 (front) W434 x H215 x D339 mm 8.6 kg
Maintained by the manufacturer! A pre main amplifier with excellent cost performance. It is also suitable for entry-level machines and second systems. The exterior is dull and dirty overall (Oikawa Tetsuji)
Maintenance information: 2025.10.18 Denon maintained (source direct SW, loudness SW, disassembly cleaning. SP relay replacement. (Other inspection of each part, operation sound test)
Accessories: power cable, copy of instruction manual ※ remote control is missing
Main specifications: 70W+70W (8Ω) 140W+140W (4Ω) PHONO/MM/MC switching compatible W434 x H134 x D407 mm 14.6 kg
Maintained! 80s LUX Class A Premain Amp It is a high cost performance model with almost the same content as the L-530 in terms of circuit. You can enjoy the warm and smooth sound unique to Class A amplifiers. You can see a feeling of use, such as appearance, dullness, scratches, etc. There is a Luxman maintenance sticker on the back. Cereal 2502957 (Kobayashi Hitoshi)
Maintenance information: 2025.10.29 Maintenance completed (PHONO changeover switch disassembly contact polishing. Output relay replacement. I/O pin jack polish Long check) 2019 manufacturer maintenance completed (3 power supply capacitors replaced, amplifier part full solder correction, input selector and cartridge selector disassembly contact cleaning, each volume, switch contact cleaning, general adjustment) 2014.6.11 maintained (16 transistors replaced, each part inspected)
Accessories: instruction manual
Main specifications: 100W+100W (AB grade) 8W+8W (A grade) W453 x H161 x D444 mm 17.3 kg
Disposal price has been reduced (member prices are not applicable) 2025/10/2 sales price 398,000 yen Maintained! Levinson's long-selling prime amplifier. A dual monaural configuration that is thoroughly packed into one chassis while keeping the design concept of separation intact. You can be satisfied with all music genres with quality that easily surpasses separate amplifiers. There are dullness and small scratches on the exterior. *Remote control is out of stock. Serial 1307 (Jun Tamai)
Maintenance information: 2025.10.2 Maintained (Rch output terminal (black) replaced and sound output confirmed)
2025.9.11 Maintained (VG board part cleaning/repair Control board backside cleaning/repair DC voltage/DC offset voltage/idling current/other adjustments)
Accessories: power cable, instruction manual ※ remote control missing
Main specifications: 100W+100W (8Ω) XLR input x 2 system RCA input x 3 system gain adjustable (preamp section 0/6/12 dB) W445 x H162 x D483 mm 29.5 kg
Maintained by Marantz. 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. Overall there is dullness (Oikawa Tetsuji)
Maintenance information: 2025.10.16 manufacturer maintained (volume encoder, speakery replacement. Soldering correction for amplifier boards, input boards, etc. idling adjustment. (Inspection of each part and implementation of operation tests)
Accessories: remote control, instruction manual, power cable
Main specifications: 90W+90W (8Ω) 140W+140W (4Ω) frequency characteristics 5Hz to 100kHz W440 × H123 × D444 mm 18 kg
Onkyo digital amplifier with PHONO. It is equipped with a digital amplifier that has achieved 100A with instantaneous current supply capability far surpassing typical analog amplifiers. The sound quality clearly shows the advantages of a digital amplifier with a high signal-to-noise ratio and excellent sense of subtlety. It can also be used as a power amplifier and is expandable. In addition to dullness and small scratches over time, there are tape marks and yellowing on the SP terminal. Serial 16Y0911307 (Yamato Yuki)
Maintenance information: 2025.10.16 Operation confirmed
Accessories: ※ remote control missing
Main specifications: output 100W+100W (8Ω) power consumption 260W (standby power 0.1W) speaker adaptation impedance 4 to 16 ohms (8 to 16 ohms when A+B is connected simultaneously) size W435 x H144 x D431 mm weight 17.6 kg
The price has been reduced! 2025/9/27 sales price 79,800 yen It was overhauled in 2013/6, such as replacing transistors and capacitors. This is a vintage pre-main L-507. It has a thick sound and is a traditional lackstone characterized by its rich tone. Although it is a transistor type, you can enjoy a tasteful sound similar to that of a vacuum tube amplifier. The exterior is dull and there are some scratches on the cabinet. Serial 11006334 (Yonejima Satoshi)
Maintenance information: 2013.6.14 maintained (deteriorated parts, SP terminals, chemicon, tantalum capacitor replacement, lever SW O.H, SW/VR cleaning, adjustment, characteristic check, interior and exterior cleaning, cabinet oil finish)
Accessories: power cord
Main specifications: PHONO input 2 systems 200W W450 x H160 x D268 mm 11 kg
Maintained by the manufacturer! Marantz's premain amplifier with an attractive, thin, and stylish design. It is a best-selling machine that has a supple mid-high range and a well-balanced low range. Combinations with Scandinavian bookshelf speakers are also a good match, so you can choose any music genre. The exterior has dullness due to aging. Serial MZ009706010026 (Asaine Tomoho)
Maintenance information: 2025.8.23 Marantz maintained (mechanical push SW disassembly cleaning. Clean each volume contact. Speaker relay replacement. Soldering fixes for each base. DC offset adjustment. idling adjustment. Inspection of all parts. Operation tests were carried out. Although it is the main volume, there is a slight gang error (Lch is small) when starting up, but since parts are not available, it will remain as is)
Accessories: instruction manual copy power cable (general purpose product) *Remote control not included
Main specifications: 60W+60W (8Ω), 4 line inputs, 1 phono input system (MM/MC switching), 2 tape systems, with pre-out terminals, W458 x H110 x D444 mm, 15 kg
Maintained! This is Sony's entry-class premain amplifier. It uses the same traditional G chassis as the advanced grade 555, and is one with high cost performance. Although the overall sound quality is tight, there are few quirks, and it is recommended for those starting out with audio. There is dullness and dirt over time (Sasaki Shota)
Maintenance information: 2025.10.13 maintained (PHONO input RCA terminal rattles on the negative side and cannot be disassembled and repaired, etc., replacement RCA jack left and right, REC switch disassembly contact polishing grease application, DC bias DC balance check)
2021.6.15 Maintained (volume VR replaced with a custom-made product with sound, speaker relay poor contact replacement, output circuit resistance deterioration 220Ω replacement, other Cartrich mode SW, direct INPUT, source direct SW, MUTING SW disassembly contact cleaning, other DC bias DC balance check adjustment, input/output connection sound confirmation)
Accessories: manual, power cable
Main specifications: 90W+90W (8Ω) PHONO (MM/MC) W430 × H150 × D375 mm 14.0 kg
Maintenance has been completed, including 16 capacitors, 4 transistors, main volume replacement, etc. An attractive pre-main amplifier with a thick sound that is a bit different from the current Lux. It is a high performance amplifier equipped with a Plus-X power supply with ample stabilization control and a phono straight function. It is a model that is compatible with MM/MC and is easy to use. You can see a feeling of use, such as appearance, dullness, marks, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.10.11 Maintained (PHONO circuit IC and 6 capacitors replaced. Replace 10 capacitors in the power supply circuit. Replace 4 defective transistors in the warm-up circuit. Main volume replacement. (I/O pin jack polish)
Accessories: copy of instruction manual
Main specifications: 80W+80W (8Ω) W464 x H156 x D332 mm 11 kg
The price has been drastically reduced. 22025.4.7 sales price: 108,000 yen Maintenance has been completed, including 6 output MOS transistors, replacement of 8 other transistors, and disassembly and polishing of selectors. A thick, roomy, warm color premain amplifier. It makes me listen carefully to the music in an authentic style, and it plays female vocals etc. well. It has a built-in MC transformer that is great for those who listen to records. There are small scratches and dullness appropriate to the model year (Oikawa Tetsuji)
Maintenance information: 2025.4.7 maintained (6 defective single-channel output MOS transistors replaced, 8 other drive transistors replaced for sound, other speaker relays replaced due to deterioration, other selector switches disassembly contact polishing grease application, other idling, offset electrical adjustment, sound output confirmation for each input/output connection)
Accessories: copy of the manual
Main specifications: Class A output 35W+35W (8Ω) Class AB output 140W+140W (8Ω) 220W+220W (4Ω) phono mm/MC compatible size W465 x H146 x D452 mm weight 23 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/8/26 sales price 99,800 yen Made in 2025, it is a good product with only a small amount of use! Denon's first full-size premain compatible with network playback. It uses a two-stage configuration with the same variable gain type preamp and power amplifier as the Denon 110th anniversary model PMA-A110, and the DNA of higher-level models, such as introducing similar high sound quality parts and exclusive custom parts, has been firmly inherited. The exterior is good (Hiura Katsuji)
Maintenance information: 2025.8.26 sound output confirmed
Accessories: instruction manual, remote control, power cable, original box
Main specifications: 50W+50W (8Ω) PHONO MM/MC Bluetooth version 5.4 playback sampling frequency DSD2.8/5.6 MHz WMA1, MP3, MPEG-4 AAC32 to 48 kHz WAV, FLAC 32 to 192 kHz Apple Lossless 44.1 to 192 kHz W434 x H131 x D375 mm 8.3 kg
The price has been drastically reduced. 2025/6/21 sales price 49,800 yen Main volume replacement, switch disassembly, contact polishing, etc. have been completed! Denon's 80s pre-main amp. DENON of this era emphasizes the mid-range and neutral sound quality, so you won't get tired of listening, and the tuning regardless of genre makes a good impression. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.6.21 Maintained (main volume replaced. Other switch disassembly contact polishing. (I/O pin jack polish)
Accessories: none
Main specifications: 105W+105W (8Ω) 125W+125W (6Ω) W434 x H139 x D414mm 10.6 kg (including feet, knobs, terminals, etc.) 10.6 kg:
The price has been reduced! 2025/9/24 sales price 89,800 yen Denon's first full-size premain compatible with network playback. It uses a two-stage configuration with the same variable gain type preamp and power amplifier as the Denon 110th anniversary model PMA-A110, and the DNA of higher-level models, such as introducing similar high sound quality parts and exclusive custom parts, has been firmly inherited. There are no noticeable scratches on the exterior. Serial DBSZ062302629 (Yonejima Satoshi)
Maintenance information: 2025.9.24 Operation confirmed
Accessories: remote control, power cord, antenna
Main specifications: 50W+50W (8Ω) PHONO (MM/MC) Bluetooth version 5.4 playback sampling frequency DSD2.8/5.6 MHz WMA1, MP3, MPEG-4 AAC32 to 48 kHz WAV, FLAC 32 to 192 kHz Apple Lossless44.1 to 192 kHz W434 x H131 x D375 mm 8.3 kg