The price has been drastically reduced. 2026/4/30 sales price 448,000 yen Top model in the No. 380 series. Genuine Harman This is the pinnacle of the 380 series, where sound quality has been improved by introducing high-quality parts. The high mid to high range with lots of information is attractive, clear, and smooth. You can also enjoy classical string music and vocal music with intonation quality (Murakoshi Yoichi)
Maintenance information: 2026.4.29 sound output confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: full balance circuit, 4 line inputs, 2 balanced inputs, 2 analog outputs, W400 x H98 x D364 mm, 10 kg
The price has been drastically reduced! 2026/4/25 sales price 498,000 yen Maintained in 2015. It is JBL's first control amplifier to be crowned with a graphics controller, and it is a famous machine that still boasts high popularity today. The dry, horsepower sound quality unique to this era is unparalleled in matching with vintage speakers. It is a control amplifier coveted by JAZZ and ROCK fans that has both good extrusion and a clear outline. The exterior is in good condition, and there are line marks and scratches over time. The JBL logo on the front has been changed. Serial 2581 (Yamato Yuki)
Maintenance information: Maintained on 2015.8.28 (disassemble and clean each SW volume. Capacitor, lamp, and RCA terminal replacement. Resolder and clean each board. (Input/output waveform check, sound output test, aging)
Accessories: none
Main specifications: LINE input 4 systems PHONO (MM) input 2 systems W397 x H170 x D370 mm 8.0 kg
All switches have been disassembled and the contacts have been polished and maintained! A famous and famous first generation preamp. The coat is different from today's tones, and the solid sharpness and punchy tone go great with vintage speakers such as JBL. The crunchy sound image and exhilarating sounds are a habit. Serial C7R463 (Tomonori Asaine)
Maintenance information: 2026.5.1 maintained (EQ amplifier section transistor replacement switches, rotary switches, push switches, disassembly contacts, polishing settings, main volume contact cleaning, main volume contact cleaning, lubrication display lamp replacement since there is no ceiling door magnet, installation cleaning, each input/output operation check)
Accessories: power cord, copy of instruction manual
Main specifications: 3 phono systems (with head amplifier), 3 line systems, 3 tape systems, W445 x H160 x D373 mm, 13.4 kg
The disposal price has been reduced. Member prices are not applicable. 2026/4/22 sales price 448,000 yen Oba Shoji version upgrade product (display part green) Jeff Roland's royal preamp. It's a supple, mature expression, and you can also listen to the sound of excellent quality. It is an excellent control amplifier that also has the great advantage of being easy to bring to your own favorite sound with accessories such as cables. There are stains all over the exterior, and there is a scratch on the front corner of the top plate (Oikawa Tetsuji)
Maintenance information: 2026.4.20 Operation confirmed
Accessories: copy of the manual, remote control, power cord, connection cord, power cord (general purpose), conversion plug x 4
Main Specifications: Input: XLR×5/Bypass XLR×1 Output: Main Out XLR×1/Record Out XLR×1 Preamp Part: W445 × H80 × D152.5mm 11kg Power Supply Unit: W445 × H38 × D122 mm 3 kg
The price has been drastically reduced. 2026/4/26 sales price 99,800 yen. Control amplifier with MM phono equalizer. The main board uses surface mounts on the entire surface to shorten the signal path. It is characterized by a dense, tasteful sound in the mid-range unique to LINN. This preamp is reasonably sized and easy to operate, and is recommended for those who want to relax and enjoy good quality music. The exterior has a feeling of use such as dullness and small scratches. Serial 707874 (Tomoho Asaine)
Maintenance information: 2026.4.25 Operation confirmed
Accessories: Power cord*Remote control not included
Main specifications: size W320 x H80 x D326 mm weight 3.7 kg
The price has been drastically reduced! 2026/3/29 sales price 178,000 yen, 26 capacitors, 8 lamps have been replaced, all switches have been disassembled and the contacts have been polished and maintained! A famous and famous first generation preamp. The coat is different from today's tones, and the solid sharpness and punchy tone go great with vintage speakers such as JBL. The sharp sound image and exhilarating sound are different from the current model's appeal. There are small wounds, dullness, etc. (Oikawa Tetsuji)
Maintenance information: 2026.3.23 Maintained (electrolytic capacitor, tantalum capacitor, lamp, power switch replacement. Volume cleaning, selector type disassembly cleaning and cleaning. Phono input changes were partially corrected. Cleaning panels, knobs, housings, and terminals. Other part inspection, aging test*The phono part has been remodeled, so it has been restored to its original state)
Accessories: power cable, copy of instruction manual
Main specifications: 3 phono systems (with head amplifier), 3 line systems, 3 tape systems, W445 x H160 x D373 mm, 13.4 kg
Lux's highest-grade transistor preamp at the time had a thick volume in the low and mid to low frequencies, and made a thick, glossy sound image even in the high frequencies. Unlike a soft lackstone feel, it's a sound that can be driven in firmly even when it comes to records. There are bruises and line wounds in places (Kojima Yosuke)
Maintenance information: 2016.12.17 maintained (volume volume, relay replacement input selector, PHONO selector switch, etc. Contact cleaning, RCA pin jack cleaning)
2026.5.4 Operation confirmed
Accessories: instruction manual
Main specifications: 2 phono inputs (MC, MM/MC switching), 3 line inputs, 2 tape systems, 2 pre-out systems, W460 x H135 x D442 mm, weight 11.0 kg
Maintained! Input/output RCA specification! It has an elegant and glossy tone, and the output sensitivity can be selected from 3 levels. Combinations with 405 are common, but 606 etc. are also a good match. It has the natural texture of the acoustic sauce and the smooth tone that feels good against the skin. *The switch bank on the top plate has been removed and cannot be used (the TAPE input itself can be used.) You only need to put the acrylic cover on the top plate. Serial 024572 (Fujisawa Yukishi)
Maintenance information: 2026.5.3 maintained (replacement of a total of 17 coupling capacitors and other capacitors in the main board. Each VOL and SW cleaning. AC spark killer replacement.)
Accessories: power cord, connection cord
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321 x H103 x D203 mm, 4 kg
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 high sense of stability unique to the 2000 series shines through. The exterior is dull and has small scratches due to aging. Serial 4071508897 (Yonejima Satoshi)
Maintenance information: 2026.5.4 operation confirmed
Accessories: power cable
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
The price has been drastically reduced. 2026/4/18 sales price 198,000 yen 67 electrolytic capacitors, 68 transistors, refreshed and maintained with attention to details such as main VR replacement to switch disassembly and cleaning, etc. The strong, extruded sound is full of appeal that cannot be obtained with modern audio. You can see a feeling of use such as appearance, dullness, small scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.4.17 maintained (67 electrolytic capacitors, 68 transistors, 4 semi-fixed resistors, 6 rear double volumes, 2 spark killers, 2 microphone terminals, DIN terminals, power supply micro switch, fuse, 2 power cushions (ept sealer), 2 meter lamps, main VR replacement. Disassemble and clean 12 rotary switches (power, meter level, BASS, TREBLE, OVER BASS, OVER TREBLE, mode, filter, function 1, function 2, monitor), output level switch, balance VR, microphone mixing VR, headphone VR, impedance select switch, and grease is applied to the contacts. Replace the 20-point caulking fixture on the DIN terminal and RCA terminal with an M3 x 10 screw nut spring washer. Headphone jack and AUX3 jack terminals were cleaned. Each board is re-soldered and flux cleaned.
Disassemble and clean 23 RCA terminals. Power supply high voltage 150V, low voltage 37V adjustment. (Check input/output waveforms, check left and right balance, and conduct comprehensive operation tests)
Accessories: instruction manual (copy)
Main Specifications: Input Phono (MM/MC compatible) Tuner/AUX/Tape Phono input switching load switching function Frequency characteristics Phono RIAA deviation within ± 0.5 dB High level 10 Hz to 100 kHz S/N ratio High level 90 dB or more Phono 70 dB or more harmonic distortion ratio 0.03% or less Tone control Bass/Treble filter Low/High equipped with 2 output lines RCA/headphone terminal Equipped power supply AC 100V power consumption 23W dimensions W400 x H149 x D315 mm weight 9 kg
The price has been drastically reduced. 2026/4/7 sales price 138,000 yen The wood cabinet has been maintained, including repair and painting! An impressive 80's Lax preamp with a unique vintage design. The taste is slightly different from other Luxe Pri, and you can enjoy sharp and clear sound. There are conspicuous scratches and stains on the exterior and wood case top plate, and a feeling of use such as dullness, abrasions, etc. can be seen (Kobayashi Hitoshi)
Maintenance information: 2026.2.25 maintained (remote wire switch, push switch disassembly contact polishing power supply circuit capacitor replacement power supply voltage adjustment volume, MC circuit DC adjustment volume replacement input/output pin jack polish power lamp replacement)
Accessories: copy of instruction manual
Main specifications: 2 line inputs, 2 phono inputs (MC, MM/MC), 2 tape systems, 2 pre-out systems, W448 x H163 x D384 mm, 9 kg
The price has been drastically reduced. 2026/3/6 sales price 198,000 yen Thoroughly maintained, such as replacing 67 electrolytic capacitors and 37 transistors, disassembling and cleaning switches, etc. Each board has been re-soldered so you can use it comfortably. The well-extruded sound with a core is full of appeal that cannot be obtained with modern audio. The exterior has dents, stains, and small scratches on the back of the top plate (Mizusaki Ryo)
Maintenance information: 2026.3.5 maintained (67 electrolytic capacitors, 37 transistors, 4 semi-fixed resistors, 5 rear double volumes, 2 spark killers, 2 microphone terminals, DIN terminals, power supply micro switches, fuses, 2 power cushions (ept sealer), and 2 meter lamps have been replaced. The 12 rotary switches (power, meter level, BASS, TREBLE, OVER BASS, OVER TREBLE, mode, filter, function 1, function 2, monitor), output level switches, main VR, balance VR, headphone VR, and impedance select switches were disassembled and cleaned, and grease was applied to the contacts. For the 20 DIN terminals and RCA terminals, the caulking fixings were replaced with M3 x 10 screws, nuts, and spring washers. The headphone jack and AUX3 jack terminals have been cleaned. Each board was re-soldered and flux cleaned. The caulk on the RCA terminal was removed and 23 parts of the RCA terminal were cleaned. The power supply was adjusted to a high voltage of 150V and a low voltage of 37V. (The input/output waveforms were checked and the left-right balance was checked, and a comprehensive operation test was carried out by connecting a power amplifier)
Accessories: instruction manual
Main specifications: Type stereo preamp input Phono (MM/MC compatible) /tuner/AUX/tape with phono input switching/load switching function frequency characteristics Phono RIAA deviation within ± 0.5 dB high level 10 Hz to 100 kHz S/N ratio high level 90 dB or more phono 70 dB or more harmonic distortion ratio 0.03% or less tone control Bass/Treble filter Low/High equipped with 2 output systems RCA/headphone terminal equipped power supply AC 100V power consumption 23W external dimensions W400 x H149 x D315 mm weight 9 kg
Full maintenance has been completed, such as replacing 54 deteriorated capacitors and disassembling all switches and cleaning contacts! Macintosh's classic preamp. It reproduces clear mid-range and glossy tones. This model should be used by music fans who enjoy all kinds of sources. The full range of functions, such as a 5-band equalizer and a 7-source input selector, is also attractive. It is a relatively beautiful individual for its age. Serial JEB8569 (Fujisawa Yukishi)
Maintenance Information: 2026.5.2 Maintained (Loudness Volume Disassembly Contact Cleaning) 2026.4.11 Maintained (Rear RCA Processor Terminal Contact Cleaning). All rotary switches, push switch disassembly, contact cleaning, and contact grease application. Men volume disassembly contact cleaning. Other volume contact cleaning. Replace 54 electrolytic capacitors. Panel lamp replacement In-panel peeling correction. The knobs are fixed by adhesive. Internal and external cleaning. (Check the operation of each input/output)
Accessories: instruction manual
Main specifications: Equalizer up and down 12dB (center frequency/30Hz/150Hz/500Hz/1.5kHz/10kHz) rated output 20W+20W (8Ω) W445 x H192 x D395 mm 11.8 kg
The price has been drastically reduced. 2026/3/28 sales price 198,000 yen Maintenance has been completed, including replacement of the balance volume, push switch, electrolytic capacitor, and relay. A best-selling control amplifier using C-280 circuit technology based on the C-200X. You can enjoy tight low frequencies, sharp mid to high frequencies, and sharp sound. The sound image is tighter than the current Accuphase, and the sound is also characterized by a straighter sound. You can see a feeling of use such as appearance, dullness, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.3.27 maintenance completed (balance volume push switch, electrolytic capacitor relay, each replacement switch contact, missing part, magnet catch correction, main volume rotary switch disassembly, polishing, protective agent coating, solder correction, RCA jack polishing cleaning, voice check for each input and output)
Accessories: copy of instruction manual
Main specifications: PHONO input x 3 systems (MC, MM compatible) TAPE x 3 systems PRE OUT x 2 systems W445 x H160 x D373 mm 13.6 kg
The price has been drastically reduced. 2026/4/17 sales price 99,800 yen Maintained! A model designed with serious awareness of being compatible with the digital age. The range is wide, and the smooth mid-high range and tight bass are also attractive, and it is also recommended for use as an introduction to separation. Serial 1970914236 The exterior has small scratches, dullness, and a feeling of use (Hiura Katsuji)
Maintenance information: 2026.4.16 maintained (main volume dismantling and cleaning, bus, treble volume dismantling and cleaning, switch disassembly and polishing (cartridge selector, tape conversion, reckout 1, 2, mode out 1, 2), output relay replacement, solder repair, interior and exterior inspection and cleaning, pin jack polishing, input/output confirmation, operation confirmation)
Accessories: none
Main specifications: MM/MC compatible W465 x H103 x D403 mm 8.5 kg
In addition to selector disassembly and polishing, maintenance has been completed, including pin jack polishing! Kriskit's line-only control amplifier. Simple circuit configuration without phono input. Although it is a domestic manufacturer, it is an amplifier with an American sound that is very similar to Dinakit and has a crisp, extruded American sound. The exterior is dull and has old scars (Ryo Mizusaki)
Maintenance information: 2026.4.29 Maintained (selector switch disassembly contact polishing. I/O pin jack polish. Check input level left and right. RECOUT wiring correction. (Please note that this unit is not equipped with a relay, so if you switch the switch “etc. after turning on the power, it will make a popping sound.)
Accessories: none
Main specifications: 5 line inputs W380 x H110 x D235 mm 3.3 kg
Maintenance such as disassembling all switches and cleaning contacts was completed in 2025/5. Comes with a cabinet. Macintosh's classic preamp. It reproduces clear mid-range and glossy tones. This model should be used by music fans who enjoy all kinds of sources. The full range of functions, such as a 5-band equalizer and a 7-source input selector, is also attractive. The exterior has dents and small scratches on the wood cab. Serial EB6827 (Yonejima Satoshi)
Maintenance information: 2025.5.27 Maintained (each SW/VR disassembly contact has been repolished, 5 lamp fixing grommets, 5 lamps replaced. Front panel and knob cleaning. Each operation was confirmed, waveform confirmed, and sound output tested.) Maintained on 2012.4.26 (87 capacitors have been replaced*Nippon Chemi-Con KMG, KME, and SME are used for both capacitors. Replace 1 IC due to unstable operation. VR and SW cleaning rework. Pin jack cleaning. (Internal and external cleaning)
Accessories: copy of instruction manual
Main specifications: 100V specification equalizer up and down 12dB (center frequency/30Hz/150Hz/500Hz/1.5kHz/10kHz) rated output 20W+20W (8Ω) W445 x H192 x D395 mm 11.8 kg
72 electrolytic capacitors have been replaced, and overhauled, including disassembling and cleaning volume switches! A popular DENON control amplifier for its excellent phono equalizer. MC head amplifiers are famous for their quality, and they fully draw out the amount of information in the cartridge. It's a neat sound typical of a domestic amplifier with clear yet solid mid-range sound. There is a bruise on the corner of the front top plate (Sasaki Shota)
Maintenance information: 2026.4.24 Maintained (balance volume pattern corrected. PHONO in-board resistor replacement. Electrolytic capacitor replacement. Main volume disassembly, contact cleaning. MAX/MIN stopper damage replacement Balanced volume contact cleaning. Clean all mechanical switch disassembly contacts. Soldering fixes for each board. Board cleaning. In-circuit power supply voltage regulation. DC offset adjustment. GND terminal replacement. Internal cleaning. Internal harness, rewiring. exterior cleaning. RCA terminals, screw cleaning Each part was inspected and operation tested.)
Accessories: none
Main specifications: CR equalizer with 3 PHONO inputs MC head amplifier W455 x H132 x D357 mm 10.5 kg
Maintained by the manufacturer! A control amplifier made based on the concept of thorough straight-through philosophy. In addition to a simple circuit configuration that excludes additional circuits as much as possible, sound quality deterioration with minute level signals has been reduced by using only high-quality materials for signal paths. The entire exterior is dull and there is a feeling of use (Murakoshi Yoichi)
Maintenance information: 2026.4.8 manufacturer maintained (both TUNER and CD LCH contact improvements, loose INPUT and MONITOR knobs, improved adhesion, and other maintenance performed)
Accessories: none
Main specifications: PHONO (MM/MC) W430 × H66 × D317 mm 5.2 kg
※This time, I replaced the current glass panel with a new one, but the letters don't shine brightly due to differences in structure. Each volume has been refreshed, including dismantling and polishing the switch, and capacitor replacement! A control amplifier representing the golden age of McKinn. Compared to the C28, this model has a wider range and more subtlety. The rich, glossy, and thick tone is more attractive than the latecomer C33 and C34V, etc., and it sounds particularly well on vintage speakers in general. There are small scratches and bumps in places ※The lamp is dark, but the product is limited (Kojima Yosuke)
Maintenance information: 2026.4.10 maintained (windshield panel replacement, bridge diode deterioration replacement, push button dismantling and cleaning, auto onboard capacitor replacement, auto on fuse replacement, change from 120V specification to 100V specification, each switch and volume cleaned)
Accessories: copy of instruction manual
Main specifications: frequency characteristics 20 Hz to 20 kHz input terminals PHONO 1 · 2, AUX, TUNER, TAPE 1 · 2 W406 × H138 × D330 mm 8.6 kg
Each switch, lamp, volume replacement, etc. have been maintained! Preamps were sold during the heyday of analog. Compared to C29 and later amplifiers, it has a rich and glossy mid-range. This is truly a preamp representing the golden age of McKinn. There is rust and dullness. There is peeling on the center button. Serial AS3194 (Murakoshi Yoichi)
Maintenance information: 2026.4.13 maintained (each SW/VOL cleaning, lamp deterioration replacement, pin jack earth float → plating line treatment, shield cable terminal solder treatment, push button TAPE 1 and 2 dismantling cleaning, pin jack cleaning, glass panel peeling correction (push button part cannot be fixed), shield cover creation, main VOL replacement)
Accessories: instruction manual
Main specifications: input terminals, RCA4, PHONO input, 2 pre-out systems, W445 x H195 x D395 mm, 16 kg
In addition to selector disassembly and polishing, maintenance has been completed, including pin jack polishing! Kriskit's line-only control amplifier. Simple circuit configuration with no phono input. Although it is a domestic manufacturer, it is an amplifier with an American sound that is very similar to Dinakit and has a crisp, extruded American sound. There is a partial crack in the lower part of the side wood (Daiki Goto)
Maintenance information: 2026.4.23 Maintained (wiring redone. Selector disassembly contact polishing. I/O pin jack polish Each input level can be adjusted, so check and adjust again.)
Accessories: none
Main specifications: 5 line inputs W380 x H110 x D235 mm 3.3 kg
Maintenance has been completed, such as 29 capacitors, power switch replacement, and disassembly and polishing of each selector. Thoroughly disassemble the replacement, volume, and switches for thorough cleaning! Yamaha's famous C-2a. The transparency and three-dimensional effect of the sound have been revived brilliantly. The mid-high range, which has good texture, is recommended for those who like clear sound. It has a reputation for the sound quality of phono equalizers, and is a popular amplifier for analog fans. The exterior is dull and has small scratches (Oikawa Tetsuji)
Maintenance information: 2026.4.22 Maintained (electrolytic capacitor, power switch replacement. Main, balanced volume wash. Disassemble and clean each selector. Cleaning panels, knobs, housings, and terminals. (Readjustment of each part, aging test)
Accessories: copy of the manual
Main specifications: PHONO input 2 systems (MM/MC) DC amplifier configuration W435 x H72 x D320 mm 7.9 kg
Full maintenance, from replacing deteriorated capacitors to disassembling and cleaning each selector switch! The C-2 is a masterpiece! It has a particularly good reputation for phono, and it is still a popular model among analog users. With a natural and highly transparent Yamaha sound, you can fully enjoy the appeal of acoustic instruments, such as the touch and feel of a piano, and the sharpness of guitar strings. The exterior is dull and has scratches on the top plate (Mizusaki Ryo)
Maintenance information: 2026.4.20 Maintained (volume, balance volume, each selector switch disassembled and cleaned. Electrolysis, tantalum capacitor, and power switch replacement. (The panel, housing, and RCA terminals have been cleaned)
Accessories: copy of instruction manual
Main specifications: PHONO x 3 system (MM/ MC) MC head amplifier built-in W435 x H72 x D320 mm 7.9 kg
The price has been drastically reduced. 2026/1/23 sales price 79,800 yen. Maintained in 2019 and 2020. LAXMAN's thin preamp. While making you feel a slightly glossy sweetness, I will summarize the music with a clean stretchiness from the mid low to high frequencies. Rather than the dynamic sense of scale, please be attracted by the comfort of the small-scale yet elegantly crafted sound quality. On the exterior of the serial 710397, there are scratches, rust, and a feeling of use on the top plate (Hiura Katsuji)
Maintenance information: 2020.8.12 maintained (PHONO1 matching impedance volume defect replacement, confirmed that there is no level difference or distortion in the waveform with the measuring instrument after repair)
2019.5.15 Maintained (panel lever switch/STEREO/OUTPUT switch disassembly contact polishing, equalizer circuit/power supply circuit and other circuit deteriorated transistors replacement, output relay contact defect replacement, display lamp deterioration replacement, input/output pin jack polish, operation check)
Accessories: none
Main specifications: LINEAR EQUALIZER equipped W438 x H78 x D363 mm weight 6.5 kg
17 deteriorated capacitors have been replaced, volume, switch disassembled, cleaned, etc., and maintained! A popular DENON control amplifier for its excellent phono equalizer. MC head amplifiers are famous for their quality, and they fully draw out the amount of information in the cartridge. It's a neat sound typical of a domestic amplifier with clear yet solid mid-range sound. The exterior has dullness and scratches. Serial 1110967 (Fujisawa Yukishi)
Maintenance information: 2026.4.17 Maintained (lamp replacement. Balance volume disassembly cleaning. Disassemble and clean the selector switch. Replace 17 electrolytic capacitors. Volume disassembly cleaning. Disassemble and clean each selector and rear transfer switch. Cleaning panels, knobs, housings, and terminals. (Readjustment of each part, aging test.)
Accessories: No accessories
Main specifications: CR equalizer with 3 PHONO inputs MC head amplifier W455 x H132 x D357 mm 10.5 kg
Full maintenance, from replacing deteriorated capacitors to disassembling and cleaning each selector switch! The C-2 is a masterpiece! It has a particularly good reputation for phono, and it is still a popular model among analog users. With a natural and highly transparent Yamaha sound, you can fully enjoy the appeal of acoustic instruments, such as the touch and feel of a piano, and the sharpness of guitar strings. In addition to the exterior, as described above, a feeling of use can be seen, such as dullness, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.4.10 Maintained (rear panel replaced. Main and balance volume disassembly cleaning. Internal ground wire, wiring correction. Power switch replacement. Replace tantalum capacitors, disassemble and clean each selector switch. RCA terminal distribution line correction. Cleaning panels, knobs, housings, and terminals. readjustment, aging test)
Accessories: copy of instruction manual
Main specifications: PHONO x 3 system (MM/ MC) MC head amplifier built-in W435 x H72 x D320 mm 7.9 kg
Maintained! Yamaha's masterpiece preamp. It has a particularly good reputation for phono, and it is still a popular model among analog users. With a natural and highly transparent Yamaha sound, you can fully enjoy the appeal of acoustic instruments, such as the touch and feel of a piano, and the sharpness of guitar strings. The exterior has small scratches and dullness over time. Serial 13915 (Yonejima Satoshi)
Maintenance information: 2026.2.21 maintained (power supply SW, spark killer replacement) 2024.11.1 maintained (tone control circuit capacitor solder correction) 2024.9.20 maintained (MODE, INPUT, TAPE rotary switch disassembly and cleaning. VR disassembly and cleaning of VOLUME, BASS, and TREBLE (partial correction). SUBSONIC, MUTING switch disassembly and cleaning. Preventive replacement of 16 electrolytic capacitors. Solder correction of the RCA terminal board with PHONO input, terminal cleaning frequency characteristics, and distortion ratio confirmation)
Accessories: No accessories
Main specifications: PHONO x 3 system (MM/ MC) MC head amplifier built-in W435 x H72 x D320 mm 7.9 kg
Maintained! A famous machine 44 with an easy-to-handle RCA terminal added to the rear terminal of the Quad control amplifier. The British QUAD's small preamp is a perfect balance between the freshness and richness of character. When paired with the same speakers made in England, you can enjoy a calm, high-quality sound. There are line scratches on the left side of the exterior, dull buttons, etc., and there is a feeling of use throughout (Kobayashi Hitoshi)
Maintenance Information: 2026.2.3 Maintained (IC OP AMP replacement in CD position board. Other checks) 2025.3.5 maintenance completed (power supply SW contact cleaning, correction, RCA terminal screw tightening correction, cleaning, caulking each SW, Vol cleaning (some chips remain) 2023.11.15 maintenance (VOL cleaning, C replacement in other mainboards, C etc. in each AMP, etc.) AC spark killer replacement in the power supply.)
Accessories: power cord, connection cord, instruction manual (copy)
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321 x H103 x D203 mm, 4 kg