Maintained! The A-2000 is equipped with Yamaha's unique RICHNESS circuit. Settings can be made by switching between speakers, such as the company's NS-2000 or 1000M. The low frequencies with a rich sense of scale and the transparent sound typical of Yamaha are attractive, and the extravagant structure typical of the bubble period is directly linked to the sound. On the exterior, there is a feeling of use such as scuffs on the top surface and side wood. Serial 01589 (Takasaki Atsushi)
Maintenance information: 2023.6.25 Maintained (PHONO circuit IC replacement. (Long-time sound check)
2023.6.14 Maintained (replacement of defective parts in the left and right main amplifier circuits, all circuit board soldering fixed. PHONO SELECTOR SWITCH RECOUT SWITCH DISASSEMBLY CONTACT POLISHING CONTACT CLEANER APPLICATION. Switch and volume class disassembly contacts corrected. (I/O pin jack polish.)
Accessories: copy of the manual
Main specifications: 130W+130W (8Ω) richness circuit frequency characteristics 5Hz to 100kHz W473 x H169 x D464 mm 26 kg
The price has been reduced. 2023/12/16 sales price 59,800 yen A straight, clear, dynamic, and speedy premain amplifier. A popular model with clear outlines and sophisticated sound characters unique to Soul Note. There is an appearance, dullness, and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.12.16 Operation confirmed
Accessories: instruction manual, power cord, spike
Main specifications: output 10W+10W (8Ω) headphones 3W+3W (32Ω) S/N ratio 115dB W420 × H98 × D243mm weight 6.0 kg
Maintenance was carried out in 2019. Marantz pre-main amplifier with excellent cost performance. The sturdy, heavy construction is unique to the heyday of audio. Class A operation can be switched, and both design and sound quality are unique to that time. There is a scratch on the lower right side (Kanai Hidetsugu)
Maintenance information: 2019.3.29 Maintained (input selector, REC OUT selector disassembly contact polishing. Output relay replacement. Fix it by injecting cleaning agent into the MM/MC changeover switch. Signal line connector pattern solder correction. (I/O pin jack polish)
Accessories: instruction manual
Main specifications: 20W+20W (when grade A) 100W+100W (when AB grade) W454 x H165 x D380 mm 17.5 kg
The price has been reduced. 2023/12/2 sales price 36,800 yen*Inexpensive because there are noticeable scratches on the front panel. 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. There is a feeling of use such as scratches and dullness. Serial 9051514958 (Takasaki Atsushi)
Maintenance information: 2023.11.30 Operation confirmed
Accessories: remote control, power cord, copy of manual
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
Maintained! Marantz premain amplifiers that can be switched between A and AB classes are still highly popular. It comes with a balanced input that is compatible with high-end cables. It is an amplifier that has a reputation for sound quality, and has a good overall balance of good tone, thickness, suppleness, etc. On the exterior, there are scratches and dirt marks. (MIURA Kimiya)
Maintenance information: 2023.12.20 maintenance completed (INPUT select SW, REC select SW disassembly contact polishing contact grease application, speaker relay replacement, PHONO switch, speaker SW, class ASW each replacement, output board internal solder inspection and repair, other B idling A idling adjustment, input/output terminal connection sound confirmation)
Accessories: instruction manual
Main specifications: Class A 30W+30W (8Ω) Class AB operation 130W+130W (8Ω) Dimensions W454 x H170 x D460 mm Weight 26.0 kg
Disposal prices have been reduced. Member discounts will not be applied. 2023/12/17 Sales price 125,000 yen Maintained! The α707L EXTRA is popular in the series. Compared to the D707, the SN feel in the mid to high range is much better, and it is clear and has excellent sound. It has plenty of driving power and makes a strong, sharp sound. Even a medium speaker can make enough noise. There is large peeling on the veneer of the right side wood, bruises on the front and bottom of the left side wood, and other small scratches are scattered (Kanai Hidetsugu)
Maintenance information: 2023.12.17 Maintenance completed (main volume cleaning, phono and other pin jack polishing, output relay/headphone relay replacement, solder repair, source direct and lower switch disassembly, polishing grease application, each volume switch cleaning, interior and exterior inspection, adjustment inspection, operation confirmation)
Accessories: copy of the instruction manual
Main specifications: 160W+160W (6Ω), 130W+130W (8Ω) W466×H163×D450mm 22.0kg
※The video has not been checked. Currently sold! It is an AV surround amplifier that inherits the design philosophy of the flagship model AVC-A1SEA and is fully equipped with cutting-edge surround formats and high sound quality technology. The exterior has a feeling of use such as small scratches and dullness. Serial 1061500531 (Asaina Tomonori)
Maintenance information: 2023.12.19 sound output confirmed (2 channels only, video unchecked)
Accessories: power cord
Main specifications: AC 100 V, 50/60 Hz, power consumption 315 W (less than 2 W in standby), external dimensions W434 x H171 x D416 mm (including foot, knob, and terminals), weight 17.0 kg
While maintaining the technology and quality of the E-200 series, this integrated amplifier has been further refined to enhance the degree of perfection. The high quality sound of the large power transformer, current feedback amplifier circuit, and high quietness of the accuphase is attractive. It is equipped with an option board input slot, and it is possible to add digital inputs, analog disk inputs, etc. There is a thin scuff on the right side (Kanai Hidetsugu)
Maintenance information: 2023.12.16 Operation confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: 90W+90W (8Ω) current feedback amplifier circuit with balance input W475 x H150 x D422 mm weight 18.9 kg
There is no problem with operation, but since it is inexpensive, it is currently sold. An introductory model of the Musica 62 series premain amplifier. Even though it's half size, it sounds as good as a full size audio system. Enjoy the smooth analog sound. The exterior has a light feeling of use, such as light scratches on the top plate and side plates (Kobayashi Hitoshi)
Maintenance information: 2023.12.16 Operation confirmed
Accessories: power cord
Main specifications: maximum output 40W+40W (4Ω) input RCA line 3 systems W217 x H65 x D197 mm
Maintained! ※The inside has a mold-like smell, so it's cheap. Pre-main amplifier from the late Sansui period. It is a model where you can fully enjoy the powerful and delicate SANSUI sound. Although it has a high output, it has a structure where that vibration is not transmitted to the chassis, and it features a mid-high range with a high sense of transparency like a MOS FET. It is a prime main with a high degree of perfection that fully satisfies not only jazz and rock, but also vocals and classical music. The exterior is sidewood, and there are small scratches on the front panel. Serial 608060775 (Murakoshi Yoichi)
Maintenance information: 2023.12.13 maintenance (input selector - other following switch disassembly, polishing grease application (rackout, processor, power amplifier direct, MM/MC switch), output relay, headphone relay replacement, tone, speaker, loudness, subsonic switch replacement, solder repair, each volume, switch cleaning, internal inspection, adjustment inspection, re-cleaning.)
Accessories: instruction manual (copy)
Main specifications: Ultimate α-X balance circuit Phono (MM/MC switching) with input output 160W+160W (8Ω) W462 x H165 x D448 mm 33 kg
Maintained! A premain amplifier boasting high driving power, supported by a powerful power supply unit typical of Sansui. The sound is soft and transparent, yet it also has solid, thick bass. The sophisticated design is also attractive. There is a slight bias in the BASS knob, but there is no problem with the operation (Murakoshi Yoichi)
Maintenance information: 2023.12.13 maintenance (output relay, headphone relay replacement, input selector and other switches disassembly and polishing grease application (power amplifier direct, source direct, rackout, tone, loudness, subsonic, processor switch), solder repair, interior and exterior inspection and cleaning, offset adjustment inspection, operation confirmation.)
Main specifications: 130W+130W (8Ω) rated power consumption 330W W471 x H162 x D452 mm Weight 23.5 kg
Disposal prices have been reduced! (Member discounts will not apply) 2023/12/7 Line-only premain incorporating advanced technology at the time of sales price 198,000 yen. Genuine NASPEC product. It is equipped with UFPD, which is a special circuit for the amplifier driver, and PFC technology that takes into consideration the power supply system that drives it. You can enjoy sounds typical of Scandinavia that are clear, delicate, and pleasant. There are small scratches on the exterior. Serial 1132-3213 (Kimiya Miura)
Maintenance information: 2023.12.7 operation confirmed
Accessories: remote control, instruction manual, power cord, connection cord, original box
Main specifications: 120W+120W (8Ω) input XLR x 2 systems, RCA3 system output RECOUT x 1 system, PREOUT x 1 system, W430 x H100 x D375mm 11 kg
Transistors, capacitors, and many other parts have been replaced and refreshed and maintained! It was the highest-grade model at the time and has a vintage sound that overwhelms others, and by actively replacing deteriorated parts, sounds that tend to be cloudy have become clear, and the original sound momentum has been revived. In particular, it goes great with the JBL Lancer series at the time. The exterior has dullness and small scratches (Sasaki Shota)
Maintenance information: 2023.6.14 maintenance completed (SP terminal wiring correction, card edge connector cleaning, input/output waveform confirmation, sound output test)
2022.11.11 Maintained (AC cord, capacitor, transistor, heat dissipation sheet, semi-fixed resistor, fuse replacement. SP terminal created. Various SW/VR internal washes and cleanings. Clean each board contact. Remove the old solder and then re-solder it. Interior and exterior cleaning, idle DC offset adjustment. (Various inputs and audio output of all SP terminals have been tested.)
Accessories: copy of the instruction manual
Main specifications: 80W+80W (8Ω) frequency characteristics 5Hz to 100kHz tone control/Bass, Midrange, Treble 3-stage adjustment W462 x H155 x D316mm 17.5 kg
※Since there are many scratches on the cabinet, it is inexpensive. Maintained! A premain amplifier that can be switched between pure A grade and AB grade. An ambitious work by Marantz made in Japan. The arrangement of the knobs and buttons is very marants-like, and the atmosphere is retro and tasteful. The sound, which is warm and you don't get tired of listening to, is different from modern Marantz. You can switch between pure A grade and AB grade, so you can enjoy the difference in tone. In addition to dullness and small scratches on the exterior, there is a feeling of use, such as tape marks and repair marks scattered on the top plate. Serial 18F2000095 (Takahashi Nobuyuki)
Maintenance information: 2023.12.11 maintenance completed (power supply fuse and fuse holder exchange output transistor 2SC2681 exchange volume exchange speaker relay disassembly contact cleaning INPUT selector SW tape monitor SW tape COPYSW each disassembly contact polishing grease application part board solder repair A class B class idling adjustment each input/output connection sound check)
Accessories: none
Main specifications: 80W+80W (8Ω, AB grade) 20W+20W (8Ω, pure A grade), damping factor 100 or more, dimensions W416 x H146 x D332 mm, weight 13 kg
The price has been drastically reduced! 2023/12/1 sales price 99,800 yen*Spike covers are now in stock. An impressive premain amplifier with Yamaha's traditional retro design. It is an amplifier that inherits the characteristics of the delicate and elegant old Yamaha sound. It comes with a PHONO input and features balanced ease of use in all aspects. As for the exterior, there are scratches on the front panel and side wood. Serial Y03691800 (Yonejima Satoshi)
Maintenance information: 2023.12.1 operation confirmed
Accessories: remote control instruction manual power cable spike cover
Main specifications: full-stage balanced amplification output 90W+90W (8Ω) Phono (MM/MC) dimensions W435 x H137 x D465 mm, weight 22.7 kg
The manufacturer has maintained it! This is the 4th generation of the DENON 2000 series. It is an amplifier that can be enjoyed regardless of the genre of music, with its plump, and loud mid-low frequencies and well-sharpened tones. There is a feeling of use such as dullness, dirt, slight loss of input characters, sunburn on the SP terminal, etc. Serial 2061502843 (Takasaki Atsushi)
Maintenance information: 2023.10.19 manufacturer maintenance completed (phono part ground side replacement, MM/MC changeover switch replacement, volume volume/SD switch contact restoration agent application, input select switch disassembly/contact polishing/lubricant application, idling adjustment. Operation test.)
Accessories: instruction manual copy, power cord
Main specifications: High rigidity, 6-block, separate chassis, power amplifier, direct input, bi-wiring compatible, 80W+80W, W434 x H180 x D478 mm, 23.5 kg
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 mid-low range, which has a sense of power, in this price range. The exterior has dullness and small scratches. Serial 60505454 (Yonejima Satoshi)
Maintenance information: 2023.11.18 maintenance completed (input selector, other switch disassembly, polishing, grease application (tone, loudness, muting, subsonic, processor, power amplifier direct, source direct, tape), master volume, switch cleaning, output relay replacement, solder main part repair, pin jack polishing, stop screw rust removal, interior and exterior cleaning, each input/output check, operation inspection)
Accessories: copy of the instruction manual
Main specifications: 105W+105W (6Ω) 90W+90W (8Ω) phono MM/ MC switching W430 x H162 x D452 mm 18 kg
Maintained! A premain amplifier with clear contours and sharp sound quality. In addition to the conventional sense of dynamism, it is an amplifier with a high degree of perfection with a wide high frequency range. The low range with good extrusion generated from the powerful power supply unit is an advantage unique to the XR series. It is suitable for jazz and rock music. There is a feeling of use such as scratches, dirt, etc., and the panel board floats. Serial 613100151 (Takasaki Atsushi)
Maintenance information: 2023.12.10 maintained (input selector and other switches below, disassembly, polishing grease application (power amplifier direct, source direct, tape, rackout, tone, loudness, subsonic, muting, processor switch), output relay, headphone relay replacement, main amplifier, power supply part and other solder repair, volume cleaning, internal inspection and cleaning, inspection and adjustment, running test .)
Accessories: copy of the instruction manual
Main specifications: 160W+160W (6Ω) 130W+130W (8Ω) rated power consumption: 330W, W466 x H162 x D452 mm, 23 kg
The price has been drastically reduced! 2023/12/8 Sales price 178,000 yen Maintained by Luxman! This is a pure A grade premain amplifier that combines subtlety and strength. The smooth, glossy sound unique to Lux Class A amplifiers with a sense of scale is attractive. Low frequency playback also has a sense of volume, and it has a reputation for being compatible with European speakers such as TANNOY. As for the exterior, there are small scratches on the front and cabinet. Serial A20715616A (Yonejima Satoshi)
Maintenance information: 2023.12.8 manufacturer maintenance completed (balance volume replacement. Protector relay replacement. Main part limiter circuit capacitor replaced. Solder deterioration part fixed. (Other parts inspection and readjustment)
Accessories: copy of the instruction manual
Main Specifications: 50W+50W (8Ω) Pure A Class Operation Large Capacity Toroidal Transformer Equipped with Phono Equalizer MM/MC Compatible W438 x H176 x D467 30 kg
The price has been drastically reduced! 2023/12/2 sales price 648,000 yen This is Luxman's flagship premain amplifier. The new LECUA1000 is installed, and the output stage of the preamp circuit uses a discrete buffer circuit, a unique amplification feedback circuit ODNF Ver. 4.0, an LR independent block capacitor, and high sound quality parts permitted only for high-end models. It is the ideal premain amplifier advocated by Luxman. There are some scratches on the exterior. Serial G70900090 (Kimiya Miura)
Maintenance information: 2023.12.2 operation confirmed
Accessories: remote control, instruction manual, power cable
Main specifications: rated output 120W+120W (8Ω), 240W+240W (4Ω), 4 input lines, 1 phono system (MM, MC switching), 2 balanced systems, 1 separate input/output system, 1 system, W440 x D463 x H193 mm, 29.3 kg
In addition to the scuff marks on Source Direct, there are many small scratches and stains, so it is inexpensive, and is currently sold. DENON's premain amplifier has excellent cost performance. Suitable for entry-level machines and second systems (Murakoshi Yoichi)
Maintenance information: 2023.12.8 sound output confirmed
Accessories: remote control, instruction manual copy, power cord
Main specifications: 70W+70W (8Ω) 140W+140W (4Ω) PHONO/MM/MC switching compatible W434 x H134 x D407 mm 14.6 kg
The manufacturer has maintained it! Accuphase entry pre-main amplifier. It is equipped with the same AAVA volume control system as higher-level models such as the E-560. Even though it's an entry-level machine, it boasts a degree of perfection that makes you feel the high quality typical of Accuphase everywhere. The exterior is beautiful even though there is some feeling of use. Serial 15X158 (Asaina Tomonori)
Maintenance information: 2023.12.9 maintenance completed (COMP switch replacement, other switch cleaning, TONE rotary cleaning, inspection and adjustment of each part, safety check, pressure resistance check, pressure resistance check ※ currently using a non-shorting type switch, and when the switch is pressed, there is a buzzing sound, but it is not abnormal)
Accessories: original box remote control power cable instruction manual
Main specifications: 115W+115W (6Ω) 105W+105W (8Ω) W465 x H151 x D420 mm 20 kg
Maintained! This pre-main amplifier is characterized by the clean sound quality typical of Yamaha and the fineness of the mid to high range. The PHONO input is MM/MC compatible, and is also recommended for analog users. There is a feeling of use such as dirt and scratches. Serial 128265 (Takasaki Atsushi)
Maintenance information: 2023.12.7 maintained (switch, volume type disassembly, contact polishing. All main board solders have been fixed. Panel disassembly knob cleaning, input/output pin jack polishing.)
Accessories: copy of the instruction manual
Main specifications: 100W+100W (8Ω) MM/MC compatible W435 x H112 x D365 5mm 9.1 kg
Hi-Fi Hall's first appearance! Sharp's high-end premain became Japan's first digital amplifier. It uses 1-bit digital amplifier technology jointly developed with Waseda University to achieve reproduction that is extremely close to the original sound. The exterior has small scratches and a feeling of use (Hiura Katsugu)
Maintenance information: 2023.11.29 Operation confirmed (iLink Audio input not checked)
Accessories: power cord, insulator
Main specifications: 1 bit amplifier rated output 100W+100W (8Ω) frequency characteristics 5Hz to 100kHz+1-3db digital input ST optical, BNC coaxial, RCA coaxial, 1 optical system each analog input RCA2 system, XLR1 system output terminal digital optical, 1 RCA analog system each W472 x H89 x D462 mm 18.5 kg
The price has been drastically reduced. 2023/11/24 sales price 89,800 yen Cambridge Audio premain amplifier that supports up to DSD256 with USB input. The ESS saver ES9010K2M is used as the DAC. The full range of performance that greatly exceeds the price, such as Roon support, is attractive. The degree is generally good (Murakoshi Yoichi)
Maintenance information: 2023.11.17 sound confirmed
Accessories: remote control, instruction manual, power cord, antenna, original box
Main specifications: 60W+60W (8Ω) analog input 4 systems, digital input coaxial, optical, USB, Bluetooth PCM32 to 384 kHz, DSD256 or DOP256 up to W430 x H115 x D341 mm 8.3 kg
Maintained! This is a masterpiece primain with an exhilarating thickness in the middle range and thickness of the low range. The special phono part uses a transformer to boost the built-in MC. Compared to lower models, it combines care that allows you to enjoy classical music. The exterior is scratched on the top of the front, and there are other threads and stains overall (Mizusaki Ryo)
Maintenance information: 2023.11.17 Maintained (input selector and other switches below, disassembly, polishing grease application (tone, filter)
16 Hz, 20 kHz, tape, muting, rackout switch), balance, treble, bus volume exchange, output relay, headphone relay replacement, main amplifier circuit transistor, semi-fixed VR, capacitor replacement, solder repair, each volume, switch cleaning, pinjack polishing, internal inspection and adjustment, operation confirmation. (*If the power is turned off when the tone is on, a popping sound may appear, but there is no effect on sound quality, etc.)
Accessories: copy of the instruction manual
Main specifications: 130W+130W (8Ω) W460 x H160 x D444 mm 18 kg
Denon's best-selling model. In addition to the thickness of the mid to low frequencies, the sound that smoothly extends to the high frequencies is attractive. It is an amplifier that incorporates the functions of high-end machines, such as a separate function that allows phono MM/MC switching and pre-out power-in. There are no noticeable scratches on the exterior. Serial 2111500737 (Kimiya Miura)
Maintenance information: 2023.11.26 operation confirmed
Accessories: remote control, instruction manual, power cable
Main Specifications: Rated Output 80W+80W (8Ω) Speaker Output 2 Systems AORB Load 4Ω to 16/A+B Load 8Ω to 16Ω W434 x H181.5 x D434.2 mm Weight 24.4 kg
The price has been reduced. 2023/6/28 Sales price 39,800 yen ※The SP terminal is missing. Maintained Marantz premain amplifier with excellent cost performance. The solid, heavy construction is unique to the heyday of audio. Class A operation can be switched, and both design and sound quality are of a quality unique to that time. There are signs of use such as dullness, scratches, peeling of side paint, back corrosion, etc. Serial MZ01938040636 (Takasaki Atsushi)
Maintenance information: 2023.6.28 maintenance completed (switch and volume type disassembly contacts fixed. It's fine when the direct switch is on, but there is a slight gang error when off. (Each part can be decontaminated and the sound output check for a long time is OK)
Accessories: copy of instructions
Main specifications: 20W+20W (grade A time) 100W+100W (AB grade time) W454 x H165 x D380 mm 17.5 kg
Maintained! A pre-main amplifier where you can enjoy the luster and thick sound typical of Sansui. What should be noted is the mid to low range, and the bass line, which clearly shows the outline, is an appeal unique to the KX series during this period. There is a feeling of use such as appearance, dullness, small scratches, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2023.3.15 Maintained (input selector, power amplifier direct, source direct, tape, readout switch disassembly, polishing grease application, output relay replacement, solder main part repair, each volume, switch cleaning, pin jack polishing, internal inspection and cleaning, offset adjustment, operation confirmation)
Accessories: copy of the instruction manual
Main Specifications: 90W+90W (8Ω) Phono mm/MC Compatible Dimensions W430 x H161 x D446 mm Weight 18.0 kg
A pure Class A operating pre-main amplifier with a simple design and functionality. An amplifier that combines good graininess and thickness, and has a reputation for its high ability. The height of Cost Puff Ormans is also good. As for the exterior, there are scuffs and line scratches on the top plate. Serial 0001809 (Kimiya Miura)
Maintenance information: 2023.11.28 Operation confirmed
Accessories: remote control, power cable
Main specifications: 120W+120W (8Ω) 135W+135W (4Ω) input/balance 2 systems (XLR) unbalanced 3 systems (RCA) output/speaker output 1 system RECOUT1 system W435 x D375 x H123 mm 14.3 kg
Denon's mid-range model. You can enjoy all genres with modern response and unobtrusive sound quality. Since it is relatively thin, this model is recommended for those who are concerned about space. Phono is MM/MC compatible. The exterior is dull. Serial 0041500188 (Kimiya Miura)
Maintenance information: 2023.11.23 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
Disposal prices have been reduced! (Member discount is not applicable) 2023/11/25 Marantz high-end premain amplifier PM-11S3 with sales price 228,000 yen. A new circuit “SA Driver” has been introduced to the power amplifier circuit, and all circuits from input to speaker output have been increased at high speed. It's an amplifier that lets you listen to spatial expressiveness, decisive tones, and low frequencies with a rich sense of scale. The exterior is good with no noticeable scratches. Serial 15001630001168 (Yonejima Satoshi)
Maintenance information: 2023.11.25 Operation confirmed
Accessories: remote control, power cable, instruction manual, original box
Main specifications: 100W+100W (8Ω) 200W+200W (4Ω) damping factor 100 input terminal RCA x 5, XLR x 1, phono x 1, power amplifier direct x 1, output terminal REC out x 2, pre-out x 1, headphone x 1, W440 x H168 x D453 mm 26.6 kg
Maintained! An improved model of the AU-D707F. Super FF and diamond differential circuits are used in the power amplifier section. It was released before CDs appeared, and the energetic sound quality that makes you feel like Sansui is attractive. I would recommend this model to all jazz and rock fans. There is a chip in the corner of the side panel (Fujisawa Yukishi)
Maintenance information: 2023.11.24 maintenance completed (tone, filter (16 20k), muting switch removed, and disassembly grease applied.)
2022.12.29 Maintained (master volume, balance volume replacement, output relay replacement, headphone relay replacement, power supply floating resistor replacement, input selector, rec out switch disassembly, polishing grease application, solder repair, each volume, switch cleaning, internal inspection and cleaning, operation inspection)
Accessories: copy of the instruction manual
Main specifications: 100W+100W PHONO2 system with MM/MC W460 x H160 x D404 mm 14.7 kg
Accuphase entry pre-main amplifier. It is equipped with the same AAVA volume control system as higher-level models such as the E-560. Even though it's an entry-level machine, it boasts a degree of perfection that makes you feel the high quality typical of Accuphase everywhere. There are thin scrapes and small scratches on the top plate (Oikawa Tetsuji)
Maintenance information: 2023.11.27 Operation confirmed
Accessories: remote control, power cable, instruction manual
Main specifications: 115W+115W (6Ω), 105W+105W (8Ω) W465 x H151 x D420 mm 20 kg
A transistor type premain amplifier that reminds me of the Luxman of yesteryear. The loose, warm-colored rack stones remain the same, and you can feel the ease of cutting typical of modern machines. It is an MM/MC compatible, analog compatible, and shines well with its good quality even when it's simple. The exterior is good (Kobayashi Hitoshi)
Maintenance information: 2023.11.25 Operation confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: output 50W+50W (8Ω), 75W+75W (4Ω) W402 x H169 x D330 mm 15.0 kg
A compact and convenient receiver. With a configuration of a SACD/CD player+FM/AM radio+PHONO terminal (with MM/MC compatible phono equalizer), you can easily build a compact system with good sound. There are no noticeable scratches on the exterior. Serial 3051504544 (Tamura Eiji)
Maintenance information: 2023.11.26 operation confirmed
Accessories: remote control, instruction manual, power cable, AM/FM antenna
Main specifications: rated output 37.5 W+37.5 W, compatible speaker impedance 4 Ω to 16 Ω, frequency characteristics 10 Hz to 40 kHz, W300 x H110 x D341 mm, 8 kg
A new-generation digital premain amplifier that combines CSR's digital amplifier “DDFA (Direct Digital Feedback Amplifier).” Compared to conventional Class D amplifiers, higher S/N and lower distortion have been achieved. In particular, the USB-DAC is compatible with DSD 5.6MHz and PCM192kHz/24bit inputs, and its sound quality is more vivid and realistic than other digital amplifiers. It is also compatible with Airplay via Bluetooth connection. The exterior is dull. Serial 5103504415 (Kimiya Miura)
Maintenance information: 2023.11.25 Operation confirmed
Accessories: remote control, instruction manual, power cable
Main specifications: USB-DAC premain amplifier 25W+25W (8Ω) 50W+50W (4Ω) input USB Type-B x 1 line RCA x 1 COX x 1 TOS x 2 Bluetooth x 1 S/N ratio 117 dB total harmonic distortion ratio 0.004% or less W200 x H86 x D258 mm weight 2.5 kg
Maintained! A popular late 80s model with a sound that has a good balance of clarity and thickness. Good parts such as power transformers, etc., and a sense of energy in the mid to low range are abilities unique to this era. It is particularly effective in jazz and rock. There are spots and small scratches over time (Fujisawa Yukishi)
Maintenance information: 2023.11.24 maintenance completed (maintenance contents/input selector, etc., switch disassembly, polishing, grease application (power amplifier direct, source direct, tape, rackout, tone, muting, subsonic, loudness), balance and other volume cleaning, output relay replacement, solder main part repair, interior and exterior inspection and cleaning, offset adjustment, operation confirmation.)
Accessories: copy of the instruction manual
Main specifications: 90W+90W (8Ω) MM/MC compatible phono equalizer W430 x H159 x D446 mm 18 kg
Maintained! The middle class of the Sansui α series. It is also attractive that you can enjoy not only jazz, but also various genres such as rock and pop, with a good balance between the strength of the bass and the clarity of the mid and high notes. The exterior is dull and there are plug marks on the top plate. Serial 637065630 (Takahashi Nobuyuki)
Maintenance information: 2023.11.23 Maintained (each switch disassembling, polishing, grease application (tone, turnover, loudness, muting, subsonic, power amplifier direct, MM/MC, rackout switch) each volume and switch cleaning output relay and headphone relay replacement main amplifier and power unit solder repair interior and exterior inspection cleaning side cover screw replacement operation confirmation when the power is on (It makes a pop sound, but it stabilizes within a few minutes)
Main specifications: effective output 160W+160W (6Ω) 130W+130W (8Ω) damping factor 100 (6Ω) W448 x H160 x D441mm 20.3 kg
Maintained by the manufacturer. A refined model of the PM-17SA. Further refinement has been applied to the clear, highly transparent tone with good visibility. From its thin, stylish design, the modern SN's highly delicate expressive power is appealing. The power that seems to be held back draws more precise and expressive depictions. There is dullness and a feeling of use (Sasaki Shota)
Maintenance Information: 2023.11.23 Manufacturer Maintained (Muting Relay Replacement. Amp board soldering correction. Each switch/volume contact cleaning. Idling adjustment, inspection of each part.)
Accessories: remote control, power cable
Main specifications: Equipped with a pre-out power-in terminal, 60W+60W (8Ω), W458 x H110 x D429 mm, 16 kg
Beautiful item with original box! An integrated stereo amplifier equipped with advanced “AAVA volume control” that realizes a high signal-to-noise ratio and a low distortion rate. The power amplifier section uses high-power transistors in a parallel push-pull configuration, and the powerful power supply unit and output circuit have reduced impedance to achieve clear and clear sound with good visibility. The exterior is beautiful with no noticeable scratches. Serial F3X706 (Yonejima Satoshi)
Maintenance information: 2023.11.23 operation confirmed
Accessories: remote control, instruction manual, power cable, original box
Main specifications: rated continuous average output 120 W/ch (4 Ω) 90 w/ch (8 Ω) damping factor 500 (8 Omega/50 Hz) W465 x H151 x D420 mm 20.4 kg
Maintained! A premain amplifier developed during the heyday of CDs and gained popularity. The deep, punchy sound quality that balances mid-high range quality and low frequency power is attractive. There's room that lower models don't have, and you can enjoy the sound that is full of scale typical of SANSUI. The exterior has small scratches and dullness. Serial 61027978 (Yonejima Satoshi)
Maintenance information: 2023.11.18 maintained (tone and other switch disassembly, polishing grease application (turnover, loudness, muting, subsonic, processor, MM/MC, rackout, input selector, power amplifier direct, source direct, tape switch), main amplifier circuit part transistor, semi-fixed volume replacement, solder repair, contact repair, rear panel repair, bias, DC Adjust, clean each volume switch, and check operation. *The tape selector was slightly eccentric, but the functionality is fine)
Accessories: copy of the instruction manual
Main Specifications: Equipped with advanced α-X circuit 160W+160W (8Ω), damping factor 150 (8Ω), phonomm/MC compatible, W460 x H159 x D446 mm, weight 33 kg
※Since it is inexpensive, it will be handed over as is. AIRBOW PM5005 tune model. It has punching power and good sound field visibility. You can enjoy music comfortably at a low cost. As for the exterior, there is a scratch on the top plate. Serial AEW27190609318 (Tamura Eiji)
Maintenance information: 2023.11.19 operation confirmed
Accessories: instruction manual, remote control, power cable, original box
Main specifications: 40W+40W (8Ω) W440 x H105 x D370 mm Weight 6.7 kg
This is Luxman's mid-range premain amplifier, blaster white. It makes a well-balanced sound that is in perfect harmony between softness and strength typical of LUXMAN in recent years. You can enjoy sharp mid to low frequencies, which are different from the LUX tones of the past in popular series in general. There is a slight scuff on the top plate. Serial G40201303 (Mizushima Itsuro)
Maintenance information: 2023.11.19 operation confirmed
Accessories: remote control, instruction manual, power cable, original box
Main specifications: 100W+100W (8Ω) 150W+150W (4Ω) PHONO (MM, MC) power consumption 270W W440 × H178 × D454 mm 22.0 kg
The price has been reduced. 2023/11/17 sales price 89,800 yen This premain amplifier is a class-A amplifier with high power of 190 W, yet has an attractive soft, thick sound quality. In particular, in large orchestras, each instrument is clearly reproduced without blurring. There are abrasions all over, and there are noticeable scratches on the back of the right side (Sasaki Shota)
Maintenance information: 2023.11.17 Operation confirmed
Accessories: remote control, power cable, spike receiver
Main specifications: 190 W+190 W (8 Ω) W435 x H125 x D373 mm 16 kg
The price has been reduced. 2023/11/12 sales price 39,800 yen*Remote is out of stock. Cambridge Audio pre-main amplifier compatible with USB input. It is an amplifier that aims for quality above the price at a low cost, and is compatible with USB input. It features smooth sound quality that is delicate and has a high signal-to-noise ratio. The entire exterior is dull, and there is a feeling of use such as scratches and scuffs on the top surface (Kobayashi Hitoshi)
Maintenance information: 2023.11.10 Operation confirmed
Accessories: none
Main specifications: USB input compatible (USB Audio 1.0 32, 44.1, 48 kHz/16 bit compatible) rated output 75W+75W (8Ω) size W430 x H115 x D345 mm weight 8.4 kg
Maintained! Levinson's long-selling pre-main amplifier. A dual monaural configuration thoroughly packed into one chassis while keeping the separate design concept intact. You can be satisfied with all genres of music with quality that easily surpasses separate amplifiers. As for the exterior, there is a scratch on the top plate. Serial 1900 (Miura Kimiya)
Maintenance information: 2023.11.16 Maintained (springs, resistors, etc. replaced. DC voltage/DC offset voltage/other inspection adjustments)
Accessories: remote control, instruction manual, power cable
Main specifications: 100W+100W (8Ω) Input: XLR2 system/RCA3 system gain adjustable (preamp section 0/6/12 dB) W445 x H162 x D483 mm 29.5 kg
Maintained! The mid-level 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, it also has good sound separation, and is a classic premain that entertains people regardless of genre. Appearance, dullness, abrasions, scratches, etc., and there is a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.11.12 maintained (tone, following switch disassembly, polishing grease application (muting, subsonic, loudness, processor, MM/MC rackout), direct part LED replacement, output relay replacement, main amplifier part, protector part transistor replacement, power supply, amplifier part solder repair, each volume, switch cleaning, internal inspection and cleaning, offset adjustment, operation confirmation)
Accessories: copy of the instruction manual
Main specifications: 90W+90W (8Ω) W448 x H160 x D441 mm 16.0 kg