※Since it is cheap, it is a gift as is. Although it is an entry model, this HiFi pre-main amplifier is infused with technical power to fully express the overall picture of music. The volume is loud enough for easy listening. The sound quality is gentle and soft. The exterior has a feeling of use such as dullness and small scratches. Serial Y233275SU (Jun Tamai)
Maintenance information: 2025.12.13 sound output confirmed
Accessories: none
Main specifications: rated output 70W+70W size W435 x H151 x D391 mm weight 8.7 kg
Maintenance has been completed, such as disassembling, polishing, and cleaning the volume and switches! This is a premain amplifier that makes a powerful, strong sound. It brings out the power of low frequencies such as rock and jazz in onkyo, which has a reputation in the middle and high ranges. Functionality is also enhanced, such as multiple inputs and PHONO (MM/MC) included. The exterior is dull and has a sense of use depending on the age. Serial 1808014543 (Fujisawa Yukishi)
Maintenance information: 2025.12.9 maintained (balance volume replacement. Source direct switch and other video modes, reckout switch disassembly and polishing. Main volume dismantling and cleaning. Output relay replacement. Solder repair. Other volumes, switch cleaning, internal inspection cleaning, pin jack polishing, operation confirmation)
Accessories: No accessories
Main specifications: 120W+120W (6Ω) 105W+105W (8Ω) W435 x H168 x D392 mm 20.3 kg
Maintained by Luxman Service in 2018! *Inexpensive because the remote control is missing, the paint on the power switch has fallen off, and the cabinet is scratched. Lux mid-level class premain. Equipped with a warm colored VU meter. It has a strong low frequency that exceeds the output, and a soft sound typical of a lux (Sasaki Shota)
Maintenance information: 2018.9.2 manufacturer maintained (replaced due to poor contact with input selector SW. The volume was replaced due to poor VR contact. The pretector relay was replaced due to poor contact. The meter lamp was replaced due to deterioration. idling current adjustment. Operation test)
Accessories: Universal power cable
Main specifications: 100W+100W (8Ω) size W467 x H179 x D440 mm 20 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. Externally, there are insulator marks on the top plate. Serial 5011564166 (Fujisawa Yukishi)
Maintenance information: 2025.12.9 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
Maintenance has been completed for switches, volume disassembly, contact polishing, etc. Maintained! The L-550X is the successor to the L-550, a masterpiece premain amplifier with pure Class A operation. Compared to the initial model, there are no changes other than the addition of an input terminal, and it plays back bright and spacious lacktones. MC compatible, which is great for analog users. There is a feeling of use on the exterior, such as scratches and dullness over time. Serial 4401108 (Yamato Yuki)
Maintenance information: 2025.12.11 Maintained (switch, volume disassembly contact polishing output relay contact defect replacement, each circuit board soldering, all correction, main volume disassembly contact polishing, input/output pin jack polish)
Accessories: copy of instruction manual
Main specifications: 50W+50W (8Ω) pre-main separation function W453 x H174 x D470 mm 20 kg
Denon's mid-range model. 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. On the exterior, you can see a feeling of use such as dullness and small scratches. Serial 1081504006 (Jun Tamai)
Maintenance information: 2025.12.12 sound output confirmed
Accessories: Remote control power cable, copy of instruction manual
Main specifications: rated output 70W+70W (8Ω) dimensions W434 x H134 x D410 mm weight 15.5 kg
The price has been reduced! 2025/11/21 sales price 89,800 yen In addition to replacing deteriorated parts, every corner has been maintained by polishing disassembly contacts for switches and volumes! As the model name suggests, it is a model that emphasizes matching with CDs, which was released by Sansui in 1986. It is equipped with a CD DIRECT terminal, so if you want to listen to CDs with this amplifier, please connect here and listen. There are no extra flavors, and you can enjoy the pure and fresh sound quality of Sansui. There is a feeling of use such as external line damage. Please note that it does not have a built-in phono amplifier. Serial 436092832 (Jun Tamai)
Maintenance information: 2025.11.20 Maintained (main volume dismantling, cleaning, selector, lamp replacement, relay replacement, switch disassembly and polishing (input selector, tone, subsonic, loudness, muting, reck-out, tape switching), solder repair, power amplifier part adjustment volume replacement, etc., volume cleaning, interior and exterior inspection and cleaning)
Accessories: copy of instruction manual
Main specifications: 130W+130W (8Ω) rated power consumption 320W W466 x H161 x D431 mm weight 20.6 kg
※Corrosion is conspicuous on the top plate, so it is inexpensive. A popular model that plays a central role in the Lux Primain. The high-quality, soft, and comfortable sound unique to Luxe from the 90s onwards makes listening even when you listen for a long time without getting tired. Furthermore, it has a very rich input system, and since pre/power can be separated, it is excellent in terms of development. The exterior has paint peeling, line scratches, and rust. (FUJISAWA KOSHI)
Maintenance Information: 2025.12.5 Maintained
Accessories: power cord, remote control
Main specifications: 100W+100W, power consumption, 220W, line input, 4 tape systems, balance input, PHONO (MM/MC) input included, W467 x H179 x D440 mm, 21 kg
The price has been reduced. 2025/12/3 sales price 59,800 yen 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. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.12.2 operation confirmed
Accessories: remote control, instruction manual, power cord
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. 2025/11/23 sales price 108,000 yen 2 capacitors, 2 relays have been replaced, volume, switches have been disassembled and polished, etc. Maintenance has been completed. 15th anniversary model of the 607 series. MOS-FET is used for the power stage, adding a sense of transparency to its characteristic heat, and is compatible with various music genres. It has a configuration that exceeds its class, such as balanced input support, and it is a powerful machine that is still popular today. There is a scratch on the side wood (Sasaki Shota)
Maintenance information: 2025.11.23 Maintained (main volume dismantling and cleaning ② switch disassembly and polishing (input selector, power amplifier direct, source direct, reck-out, tape) ③ push sw disassembly and polishing (SP1, 2, tone, loudness, subsonic, processor, muting, MM/MC switching) ④ output relay replacement ⑤ protector capacitor replacement ⑥ power supply, amplifier, etc. ⑦ Volume cleaning, interior and exterior cleaning, pin jack polishing, operation check)
Accessories: none
Main specifications: 45W+45W (8Ω) PHONO (MM/MC) W460 × H159 × D446mm 18.8 kg
The disposal price has been reduced. Member discounts are not applicable. 22025/10/7 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
※We are arranging a new decorative board. Accuphase's current pure A class premain amplifier is the first to arrive at Hi-Fi. The pre-section is equipped with a balanced AAVA volume, and all signal flows from the input terminal to the output terminal are perfectly balanced, enabling high-purity transmission. The power section uses the latest instrumentation amplifier system, MCS+ circuit, and the familiar current feedback amplifier circuit. The bottom impedance and 1000 damping factor guarantee enable ideal driving for any speaker. Serial E4Y103 (Murakoshi Yoichi)
Maintenance information: 2025.12.5 sound output confirmed
Accessories: remote control, power cord, original box, copy of manual
Main specifications: rated continuous average output 35W (8Ω), 70W (4Ω), 140W (2Ω), 160W (1Ω) total harmonic distortion ratio 0.05% 2-4Ω load, 0.03% 8-16Ω load damping factor 1000 (8Ω 50Hz) W465 × H191 × D428 mm 24.9 kg
Capacitors and 50 transistors were replaced in 2025/2, and maintenance such as master volume replacement and disassembly and cleaning of switches has been completed. The crisp, dry, and powerful sound, which also has a sense of dynamism, is amazing. The crispness is excellent. It is recommended for listening to jazz, rock, etc., and is also suitable for playing records. The exterior is dull and dirty, but it is a good individual compared to its age. Serial 838120397 (Fujisawa Yukishi)
Maintenance information: 2025.12.4 maintained (replacement and running test due to a problem with the operation of the transistor in the protection circuit section.) 2025.2.8 Maintained (master volume replacement. Output relay replacement. Switch disassembly and polishing (tone, subsonic, loudness, input selector, reck-out, tape selector). Flat amplifier, 46 power amplifier circuit transistors, 4 capacitors, adjustment volume replacement. Equalizer section transistor replacement. Balance volume exchange. Replace the fuse. Solder repair, volume cleaning, pin jack polishing, interior and exterior cleaning, adjustment inspection)
Accessories: No accessories
Main specifications: 70W+70W, 2 line inputs, 2 phono inputs (MM/MC), 2 tape systems, pre/power separable, W430 x H168 x D390 mm, 15.5 kg
Luxman's mid-size premain amplifier, blaster white specification. It makes a well-balanced sound that is in perfect harmony with softness and stiffness typical of LUXMAN in recent years. You can enjoy sharp mid and low frequencies that are different from the LUX tones of the popular series in general. Serial G51000588 (Murakoshi Yoichi)
Maintenance information: 2025.12.4 sound output confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: 100W+100W (8Ω) 150W+150W (4Ω) PHONO (MM, MC) power consumption 270W W440 × H178 × D454 mm 22.0 kg
Line-only pre-main. In addition to being able to enjoy a neat British sound when combined with Harves and Celestion, it is an interesting amplifier even when paired with Japanese and American speakers. The exterior is dull. Serial 003057 (Tomonori Asaine)
Maintenance information: 2025.11.29 Operation confirmed
Accessories: remote control power cable, instruction manual, copy of rain document
Main specifications: Line-only premain amplifier, 4 line inputs, W320 x H80 x D326 mm, 5.0 kg
55 capacitors, 28 transistors, various switches, volume disassembly, cleaning, etc. have been maintained! 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: 2025.12.3 maintained (55 capacitors, 28 transistors, 4 semi-fixed resistors, resistors, relays, 12 total SP terminals, 32 total RCA terminals, 9 bulbs, 9 fuses, heat dissipation sheet, main VR replacement. Each SW and VR internal decomposition cleaning, board re-soldering flux cleaning, offset, and idle current adjustments were made. The input/output waveform was 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: 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
The price has been reduced! 2025/11/26 sales price 34,800 yen DENON's prime main amplifier with excellent cost performance. It is compatible with MM/MC and is suitable for analog introductory machines and second systems. There are stains and bumps on the exterior. Serial 1081552060 (Tamura Eiji)
Maintenance information: 2025.11.26 Operation confirmed
Accessories: remote control, power cable
Main specifications: 70W+70W (8Ω) 140W+140W (4Ω) PHONO/MM/MC switching compatible W434 x H134 x D407 mm 14.6 kg
The price has been drastically reduced! 2025/11/28 sales price 148,000 yen Maintained in 2025/3! 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. A combination with the JBL 4312 series is recommended. There are threads and line scratches on the exterior. Serial H2X715 (Yamato Yuki)
Maintenance information: 2025.3.15 Maintained (since the volume is exhausted and there is no replacement, it was replaced with a good used one. Switch replacement and contact cleaning. Voice check for each input/output) 2023.3.31 Maintained (output and input relay tone volume (no replacement click), push switch, and electrolytic capacitor replaced. Other switches and volume cleaning. Solder correction. Connector disconnection fixed. Bias and offset checks. Input/output audio check. (Interior and exterior cleaning)
Accessories: Power cable, copy of instruction manual
Main specifications: PHONO input, pre-main separable, 110W+110W (8Ω) W445 x H160 x D370 mm 17.2 kg
Manufacturer's maintenance completed in 2024/6. Comes with a remote control! It is the company's popular premain amplifier manufactured by completely independent pre part and power part. The high resolution, which is accurate and sharp, and the sharp sound quality are still attractive enough. The quality of the phono equalizer is also high in age, and I recommend it. You can see a feeling of use, such as appearance, dullness, abrasions, bumps, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.6.7 manufacturer maintenance completed (knobs reattached. Clean each switch/volume contact. Replaced due to SP relay contact deterioration and meter lamp heat deterioration. (Other resistors and capacitors were replaced due to deterioration in characteristics)
Accessories: remote control, instruction manual
Main specifications: 170W+170W (8Ω) PHONO input compatible (MM/MC) W475 x H180 x D375 mm 25 kg
The price has been reduced. 2025/11/30 Sales price 148,000 yen Hi-Fi Hall's first arrival! Made in 2024 with original box! A pre-main amplifier that uses the circuit configuration and high sound quality parts of the anniversary model PMA-A110. The phono equalizer is compatible with both MM/MC cartridges. Equipped with a USB-DAC function compatible with DSD up to 11.2 MHz and PCM signal input up to 384 kHz/32 bit. I am also amazed at the high cost performance. The exterior is generally in good condition. Serial DBXT062401793 (Yamato Yuki)
Maintenance information: 2025.11.29 Operation confirmed
Accessories: original box remote control power cable
Main specifications: rated output 70W+70W (8Ω, 20Hz to 20kHz THD 0.07%) 140W+140W (4Ω, 1kHz, THD 0.7%) power consumption 295W external dimensions W434 × H135 × D410 mm mass 17.6 kg
A pre-main amplifier equipped with a DSD Hi-Res compatible USB-DAC. Compatible with modern listening styles, such as enhanced support for network players and streaming. It is a smooth sound rich in spatial expression with good visibility. The appearance is fine, with no noticeable scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.11.28 Operation confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: rated output 70W+70W (8Ω) 140W+140W (4Ω) input terminal unbalance x 3, PHONO (MM/MC) digital input USB-B, 1 coaxial system each, light x 2 W434 x H135 x D410 mm 17.6 kg
*Inexpensive due to lack of remote control, currently sold. A basic DENON stereo premain amplifier. The range is wide, and the glossy tone is attractive. It is an easy-to-use, well-balanced model that is suitable for both introductory use and secondary use. There is an overall feeling of use, such as dullness and small scratches. Serial 6031551174 (Fujisawa Yukishi)
Maintenance information: 2025.11.25 Operation confirmed
Accessories: instruction manual
Main specifications: 50W+50W (8Ω) phono (MM) 1 system, line input, 5 systems, headphone terminal, pre-out included, W434 x H121 x D337 mm 7.1 kg
The price has been reduced. 2025/11/22 Sales price 49,800 yen Manufacturer maintained! 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 MZ0097230301 (Yonejima Satoshi)
Maintenance information: 2025.11.22 manufacturer maintained (SP relay replaced. Meter lamp replacement (replacement). Solder correction for each VR, tone, main power supply, and relay board. (Other operation checks)
Accessories: power cord
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
It is inexpensive because it has balance volume eccentricity (see photo). 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 a scratch on the top plate (Sasaki Shota)
Maintenance information: 2025.11.28 Operation confirmed
Accessories: power cable
Main specifications: output 80W+80W (8Ω) PHONO (MM/MC) bi-wiring compatible W434 x H180 x D478 mm 22 kg
Maintained by Denon. 4th generation of the DENON 2000 series. It is an amplifier that can be enjoyed regardless of genre, and has a comfortable, rich, and lively mid-low range. The exterior is dull overall (Oikawa Tetsuji)
Maintenance information: 2025.11.27 manufacturer maintained (MM/MC switching SW, source direct SW, input switching SW, disassembly cleaning. SP relay replacement. exterior cleaning. (Operation sound test)
Accessories: power cable
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
The disposal price has been reduced! (Member discounts are not applicable) 2025/11/10 sales price 79,800 yen, beautiful item with box! Cambridge Audio pre-main amplifier compatible with up to 192 kHz/24 bit sound sources. The DAC chip uses WM8740. It has an XLR analog input as well as a USB DAC. It is a convenient one that supports various inputs. The exterior is good with no noticeable scratches. Serial KWC1076419090026 (Fujisawa Yukishi)
Maintenance information: 2025.11.10 Operation confirmed
Accessories: remote control, instruction manual, power cord, connection cord, original box
Main specifications: 80W+80W (8Ω) analog input 4 systems, digital input coaxial, optical, USB, Bluetooth W430 x H115 x D341 mm 8.7 kg
The price has been drastically reduced! 2025/11/14 sales price 45,000 yen Maintained! *Since the main volume has been replaced with a replacement, remote control operation is not possible. The Victor V1 series premain amplifier is designed with an emphasis on sound quality and is still popular today. Simple is the best, not only in terms of appearance and size, but also in terms of volume, selector, and presence! Phono is also compatible with MM/MC. On the exterior, there are scratches and some scratches on the VOL. (FUJISAWA KOSHI)
Maintenance information: 2025.11.14 Maintained (main volume replacement, input selector, reckout switch disassembly, polishing grease application, internal inspection and cleaning, each input/output inspection, volume cleaning, operation confirmation, running test. ※The presence is a square wave input to check changes in the waveform. Since the main volume has a motor and cannot be dismantled, it will be replaced, but since it is usually a VR, the remote control cannot be operated. (The original is not available)
Accessories: No accessories
Main specifications: 40W+40W (8Ω) 80W+80W (4Ω) W360 × H129 × D337 mm 13.5 kg
The disposal price has been reduced! (Member prices are not applicable) 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
From replacing 62 capacitors, 2 relays, and 4 fuses, all switches and volumes have been disassembled and polished to refresh! The third generation of the CA-1000 series. It is a model with reduced specifications of the CA-2000, but it has inherited the sound character. Class A operation and class B operation can be switched by switching (permanent future)
Maintenance information: 2025.11.6 Maintained (volume, balance volume washing. Disassemble and clean each switch and selector. Electrolytic capacitors, tantalum capacitors, semi-fixed resistors, relays, fuse replacement. Soldering fixes for each part. Clean the housing, panels, and knobs. Rear RCA terminal cleaning. (Each part will be readjusted and aging tested)
Accessories: instruction manual (copy), original box
Main specifications: Class B operation 100W+100W (8Ω) Class A operation 20W+20W (8Ω) phono MM/MC compatible W461 x H170 x D360 mm 19 kg
The price has been reduced. 2025/11/25 sales price 158,000 yen*The top plate has many scratches, so it's cheap. Maintained by Denon in 2025/7. Denon's mid-range premain amplifier equipped with a USB DAC in the standard PMA-2000 series and is compatible with high resolution. It is also equipped with Advanced AL32 Processing Plus, which can be said to be a feature. In addition to the strong conventional tones, which give a sense of thickness and energy, the sense of transparency in the high range is attractive. There are scratches on the top plate and remote control (Oikawa Tetsuji)
Maintenance information: 2025.11.25 Operation confirmed
2025.7.30 Maintained by the manufacturer (display part power supply circuit, diode failure, replacement, resoldering repair. Other input selector switch contacts discolored, replaced to prevent them. Other idling current readjusted. (Left and right level check, internal cleaning, analog, digital, each input, sound output aging test)
Accessories: power cable, remote control, copy of instruction manual
Main specifications: 80W+80W (8Ω) unbalanced input × 4 PHONO (MM/MC) input × 1 EXT, PRE input × 1 unbalanced output (RECORDER) × 1 USB-B input × 1 coaxial digital input × 2 optical digital input × 2 other IR control inputs/outputs × 1 W434 × H182 × D431 mm weight 25 kg