The disposal price has been reduced. Member discounts are not applicable. 2025/5/4 sales price 118,000 yen Maintenance was completed in 2025/5, such as disassembly contact polishing for switches, volumes, etc., and 48 transistors and 33 capacitors were replaced in 2021. Yamaha's masterpiece C-2! 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. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.5.4 maintained (switch, volume disassembly contact polishing, input/output pin jack polishing) 2021.12.28 maintained (transistor, capacitor replaced switch, volume class disassembly contact polishing, input/output pin jack polishing)
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 reduced! 2025/4/5 sales price 118,000 yen From replacing 24 transistors, 11 capacitors, and 2 diodes, all switches and volumes were dismantled and polished, and the full restoration was completed! Yamaha's masterpiece C-2! It has a reputation for phono equalizers and is a popular model among analog users. You can fully enjoy the appeal of acoustic instruments such as the natural and highly transparent Yamaha sound, the touch of a piano, and guitar strings (Daiki Goto)
Maintenance information: 2025.4.5 Maintained (all panels have been polished for switches and volume disassembly contacts. Replace deteriorated transistors and capacitors in each circuit. Replace diodes and switches in the power supply circuit. (I/O pin jack polish)
Accessories: copy of the manual
Main specifications: PHONO x 3 system (MM/ MC) MC head amplifier built-in W435 x H72 x D320 mm 7.9 kg
The disposal price has been reduced. Member prices are not applicable. 2025/4/13 sales price 118,000 yen The interior has been thoroughly reviewed, and all selectors have been dismantled and polished from volume, and 33 capacitors have been replaced! Yamaha's masterpiece preamp. It has a particularly good reputation for phono, and it is still a popular model among analog users. The Yamaha sound is natural and highly transparent, and you can fully enjoy the appeal of acoustic instruments, such as the touch and feel of a piano, and the chipping of guitar strings. There are abrasions and paint peeling on parts of the top plate and corners (Kojima Yosuke)
Maintenance information: 2024.9.6 maintained (33 electrolytic capacitors, power switch replacement switch, disassembly contact cleaning due to poor volume contact, contact grease coating, each input/output operation checked)
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
Refreshed and maintained, including volume switch disassembly, contact polishing, 43 transistor and capacitor meter replacements, etc. Yamaha's famous C-2a. The transparency and three-dimensional effect of the sound have been brilliantly revived. I recommend this one for those who like natural, crisp sound in the mid to high range with good texture. The sound of the PHONO input is good, so it is a popular amplifier for analog fans. Serial 03044 (Takasaki Atsushi)
Maintenance information: 2025.4.17 Maintained (panel lever switch and volume disassembly contact polishing. Replace 10 varistor diodes, 8 transistors, 18 metal film resistors, and 7 capacitors in the tone control circuit, equalizer circuit, and power supply circuit. (I/O pin jack polish)
Accessories: instruction manual (copy)
Main specifications: PHONO input 2 systems W435 x H72 x D320 mm 7.9 kg
The interior has been thoroughly reviewed, and the volume and selector have been dismantled and polished, and deteriorated parts such as 10 diodes, 18 resistors, 8 transistors, and 7 capacitors have been replaced! Yamaha's famous C-2a. The transparency and three-dimensional effect of the sound have been brilliantly revived. I recommend this one for those who like natural, crisp sound in the mid to high range with good texture. The sound of the PHONO input is good, so it is a popular amplifier for analog fans. The exterior has a feeling of use such as dullness and scratches. Serial 02657 (Takahashi Nobuyuki)
Maintenance information: 2025.4.20 Maintained (panel lever switch and volume disassembly contact polishing. Replace the tone control circuit equalizer circuit, 10 varistor diodes in the power supply circuit, 8 transistors, 18 metal film resistors, and 7 capacitors. (I/O pin jack polish)
Accessories: copy of instruction manual
Main specifications: PHONO input 2 systems W435 x H72 x D320 mm 7.9 kg
The disposal price has been reduced! (Member prices are not applicable.) 2025/3/29 sales price 118,000 yen Maintenance has been completed, such as replacing 32 electrolytic capacitors and cleaning disassembly contacts for each volume and switch. This is a Yamaha preamp that is still highly popular. If you have excellent phonos and basic records, please give it a try. With a natural and highly transparent Yamaha sound, you can fully enjoy the appeal of acoustic instruments, such as the touch of a piano, the feeling of attack, and the sharpness of guitar strings (Tamura Eiji)
Maintenance information: 2025.3.29 Maintained (switch, volume disassembly contact cleaning. Apply grease to all rotary switch disassembly contacts to clean contacts. Lever switch disassembly, contact cleaning, contact grease application. Replace 32 electrolytic capacitor meters. Internal and external dirt cleaning, terminal cleaning. (Check the operation of each input/output)
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
The disposal price has been reduced. Member discounts are not applicable. 2024/11/2 sales price 118,000 yen Full maintenance, such as replacing 16 electrolytic capacitors and disassembling and cleaning each switch part including VR! 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, dullness, etc. (Murakoshi Yoichi)
Maintenance information: 2024.11.1 maintained (tone control circuit capacitor solder correction) 2024.9.20 maintained (MODE, INPUT, TAPE rotary switch disassembly and cleaning VOLUME, BASS, and TREBLE VR disassembly cleaning (partial correction) SUBSSONIC, MUTING switch disassembly cleaning, 16 electrolytic capacitors, preventive replacement, RCA terminal board solder crack with PHONO input Correction, terminal cleaning frequency characteristics, distortion rate confirmation)
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 reduced. 2025/5/3 sales price 118,000 yen 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. Stains and dullness are conspicuous on the top plate. Serial 12672 (Murakoshi Yoichi)
Maintenance information: 2025.5.2 Maintained (reduction treatment and cleaning of poor contact parts with sulfide gas on all switches. (All input/output terminal function tests) 2024.10.6 maintained (Ethanol cleaning and oxidation prevention treatment are performed after injecting a reducing agent to remove the oxide coating on all rotary switches and lever switches. (After disassembling the 6 consecutive volume and balance volume, clean the carbon surface and brush surface, then apply anti-oxidation treatment)
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 disposal price has been reduced! Member prices are not applicable. 2025/5/4 sales price 118,000 yen 24 transistors and 9 capacitors replaced. Furthermore, all switches and volumes have been disassembled and polished, and maintenance has been carried out on Yamaha's famous C-2! 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 dullness and scratches. Serial 04437 (Fujisawa Yukishi)
Maintenance information: 2025.5.3 maintained (all volumes and switch disassembly contacts polished. Replace 24 deteriorated transistors and 9 capacitors in the tone control circuit power supply circuit. (I/O pin jack polish)
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
Has been inspected and maintained by the manufacturer! It's a crossfire preamp that follows the Cello ENCORE 1MΩ flow. The sound is innocent yet supple and nostalgic. It is a valuable car where you can experience the awesomeness of the infinitely neutral and transparent sound that VIOLA promotes without any coloring. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2025.5.14 manufacturer maintenance completed (volume contact cleaning and contact misalignment, contact float correction at specific contacts, shaft rotation misalignment VOL. Position correction)
Accessories: instruction manual, power cord, connection cord, power supply
Main specifications: fixed resistance switching type analog amplifier circuit module equipped with 4 output systems (XLR x 2, Fischer x 1, RCA x 1), 6 input systems (XLR x 1, Fischer x 1, RCA x 4) TAPE OUT (RCA x 1) main body W445 x H110 x D430 mm 9 kg power supply unit W225 x H110 x D400 mm 7.6 kg
The price has been reduced. 2025/3/12 sales price 59,800 yen Maintenance completed! Built-in head amplifier composed of 6 FETs. A famous amplifier that doesn't have a strong personality, but it has natural sound quality and is easy to hear. You can see the exterior, rust, dullness, abrasions, etc., and a feeling of use. Serial 15203056 (Kobayashi Hitoshi)
Maintenance information: 2025.3.12 maintenance completed (balance volume replacement treble, bus volume dismantling and cleaning ③ switch dismantling and polishing grease application (phono selector, imp selector, rec selector, muting, subsonic, tape monitor, mode, tape 23) ④ flat amplifier, power supply capacitor replacement ④ solder repair ⑤ leg installation ⑥ interior and exterior inspection cleaning, pin jack polishing, other volume cleaning, operation confirmation
Accessories: none
Main specifications: PHONO3 system (of which MC1 system) W480 x H111 x D342 mm 5.8 kg
Maintained! It's a control amplifier that shows incredible performance that exceeds its price. The transparent sound is reminiscent of a crystal, and it also makes you feel the strength of a firm skeleton. The beauty of female vocals and the detailed expression of a full orchestra demonstrate outstanding abilities. As for the exterior, there are stains on the front panel. Serial 20015 (Yonejima Satoshi)
Maintenance information: 2025.5.10 Maintained (main volume disassembly, cleaning, reassembly, reinstallation, solder check. Screw replacement. (Voice check for each input/output)
Accessories: power cable
Main specifications: input RCA7 system, XLR1 system output XLR1 system, RCA1 system W430 x H108 x D445 mm weight 22 kg
The price has been drastically reduced! 2025/5/3 sales price 128,000 yen Maintained! Late QUAD44 with CD input terminal. It's not flashy, but the thick, glossy tone is attractive. In particular, it softens female vocals. There is a feeling of use on the exterior, such as dullness and small scratches. Serial Q031658 (Fujisawa Yukishi)
Maintenance information: 2025.5.3 maintained (power supply SW contact cleaning/correction, IC all replacement, symptoms occurred even after check, push buttons, input selector board replaced)
2023.10.22 Maintained (Acre sectorable terminal caulking defect? → soldering. Balance Vol, Filter Vol, SW Cleaning AC spark killer NG, internal in-board bypass C, coupling C replacement)
Accessories: copy of instruction manual, power cord
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321×H103×D203 mm
The price has been drastically reduced! 2025/3/22 sales price 118,000 yen remote control is out of stock. QUAD 99 preamp Genuine Rocky The QUAD-like design keeps the speaker playing with plenty of atmosphere. There is also sharpness and transparency in the mid to high range, and it creates a solid effect. The size is also compact and easy to use. The exterior is dull and has threads. Serial 99PG0198 (Tomonori Asaine)
Maintenance information: 2025.3.22 operation confirmed
Accessories: power cord connection cord
Main specifications: input LINE 3 system PHONE 1 system TAPE1 system with PHONO (MM/MC) W321 x H70 x D310 mm weight 4.42 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/1/19 sales price 128,000 yen Maintained! 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 exterior has dullness and small scratches over time. Serial 23428 (Murakoshi Yoichi)
Maintenance information: 2025.1.18 maintained (INPUT switching analog SWIC, power supply filter C, in-circuit coupling C, AC switch spark killer replacement, balance VOL, filter VOL cleaning)
Accessories: instruction manual (copy), power cable, input cable x 2, output cable x 1
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321×H103×D203 mm
Maintained in 2024/6. This is a compact, space-saving quad preamp 34. It has a supple and delicate expressive power that is not inferior to the 44, which is a higher-level model. The supple, uncharacteristic character goes well with vacuum tube power amplifiers. There is a feeling of use such as scuffs scattered on the top plate. Serial Q041639 (Takasaki Atsushi)
Maintenance information: 2024.6.29 maintenance completed (AC line spark killer NG → replacement, mainboard coupling C, bypass C, etc., operation check)
Accessories: copy of manual, power cord
Main specifications: PHONO (MM compatible) module switchable type W321 x H64 x D207 mm 3.2 kg
The disposal price has been reduced! (Member discounts are not applicable) 2024/7/18 sales price 128,000 yen 2023/11 maintenance completed. 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 freshness and intensity of character. When paired with the same speakers made in England, you can enjoy a calm, high-quality sound. A combination with QUAD405 is recommended. The exterior has a feeling of use such as dullness and small scratches. Serial 4708 ※ There is a slight sound leak even when the volume is reduced due to initial type specifications. The RADIO next to the rear input DISC is the AUX input (Takahashi Nobuyuki)
Maintenance information: 2024.7.18 operation confirmed 2023.11.29 maintenance (balance VOL, filter VOL, each rotor legal → oil cleaning, AC switch no spark killer → installation, tantalum C replacement within each board, power supply filter C replacement, input cable DW5P creation.)
Accessories: DIN cable x 3, power cable, copy of instruction manual
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321×H103×D203 mm
2022.11 Maintenance completed. A preamplifier equipped with a simple design and function, and full control functions, such as independent left and right gain adjustments, and impedance selectors for various cartridges. The clear sound without habit is a product preferred by multi-system owners. Each load capacity can be set to 6 types depending on the cartridge load, and the volume uses a 32-step attenuator type with silver-printed contacts. You can see a feeling of use such as appearance, dullness, small scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2022.11.24 maintenance (PHONO circuit transistor replacement, panel lever switch disassembly contact polishing, contact cleaner application.)
Accessories: none
Main specifications: differential 2-stage current mirror amplifier A grade SEPP power consumption 10W dimensions W420 x H81 x D357 mm weight 6.3 kg
Maintained including main volume replacement! The 306 series was supported as a pure audio entry model. There are plenty of phono circuits, MM/MC compatible, and impedance can be adjusted. Clear, high quality sound quality with W super servo system. I feel that the sound quality, which has a slight core, is good in this era. The exterior has blows, scratches, etc. (Sato Wataru)
Maintenance information: 2025.5.11 Maintained (master volume replacement. Volume dismantling and cleaning (balance, treble, bass) subsonic, phono cartridge, reck-out, mode, muting, phono switching, tuner/AUX changeover switch disassembly and polishing. Indicator lamp replacement. Solder repair. Interior and exterior inspection and cleaning, pin jack polishing. Operation check)
Accessories: No accessories
Main specifications: PHONO (MM/MC) 2 system frequency characteristics 0.8 Hz to 170 kHz dimensions W480 x H100 x D403 mm weight 10.5 kg
All switches have been disassembled and maintained, such as contact cleaning! 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. There are small scratches and partial peeling on the exterior. Serial JEB8721 (Yonejima Satoshi)
Maintenance information: 2025.5.14 Maintained (solder fixed due to RCA terminal solder disconnection. Due to poor contact between the push switch and rotary switch, all switch disassembly contacts are cleaned, and contact grease is applied. Main volume disassembly contact polishing cleaning. A conversion board was created and replaced due to poor contact with the COMPADNAR when the sound was interrupted when the relay was turned on. Electrolytic capacitor replacement. Panel lamp replacement. Panel peeling correction. (Check the operation of each input/output)
Accessories: none
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
Maintained! Macintosh's 2nd generation solid state preamp. Although it is a transistor, it inherits the atmosphere of a Macintosh vacuum tube sound. The rich and vivid sound unique to McKinn from this era is attractive. Serial 43P88 (Murakoshi Yoichi)
Maintenance information: 2025.5.8 maintained (each SW cleaning, lamp replacement, pin jack cleaning, 6 phono stage TR6 replacement. (Partial correction of panel peeling)
Accessories: instruction manual (copy)
Main specifications: input/LINE2 system TAPE2 system PHONO (MM) 2 system output/PRE OUT2 system W445 x H180 x D350 (including pan lock) mm approx. 11 kg
2024 maintenance completed! A popular preamp sold during the heyday of analog. The mid-range is more glossy and has a sexier vibe than the one after C29. That rich sound can truly be said to be a preamp representing the golden age of McKinn. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.4.19 maintenance (each SW, VOL cleaning, pin jack cleaning, lamp deterioration replacement, panel peeling correction, pin jack caulking, additional block capacitor installation, shield cable earth solder treatment, operation check)
Accessories: copy of instruction manual
Main specifications: input terminals, RCA4, PHONO input, 2 pre-out systems, W430 x H140 x D365 mm, 13.8 kg
Maintained! Genuine Electri Macintosh's classic preamp. It reproduces bright, glossy tones with clear mid-range sounds. This model should be used by music fans who enjoy all kinds of sources. The fact that it has a full range of functions, such as a 5-band equalizer and a 7-source input selector, is also attractive. On the exterior, there are parts where oxidation, partial peeling, and light is leaking out. Serial JEB8913 (Fujisawa Yukishi)
Maintenance information: 2024.6.15 Maintained (MODE switch disassembly contact polishing contact grease application, installation fixed. Push switch disassembly contact cleaning contact grease application. Other volume contact cleaning. Electrolytic capacitor replacement, panel lamp replacement, panel peeling correction. (Check the operation of each input/output)
Accessories: copy of 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! 2025/5/9 sales price 1720,000 yen Reference preamp No. 32L with phono module. Separate twin chassis structure with the power supply unit completely separated. Detailed sound quality with high SNR while maintaining a realistic skeleton and a reliable sound image. Furthermore, it has a spacious sound field space, etc., and both digital and analog, it is a masterpiece that has not faded in its appeal even now. There are threads and some scratches on the exterior. Serial 1605, 1555 (Fujisawa Yukishi)
Maintenance information: 2025.5.9 operation confirmed
Accessories: remote control, instruction manual, power cord, connection cord
Main specifications: input: 5 unbalanced (RCA) systems, 3 balanced (XLR) systems, 2 phono (RCA) systems output: 2 balanced (XLR) systems, 2 unbalanced (RCA) systems, phono gain: 40 dB/60 dB, gain: 0 to 18 dB 4 levels, offset, balance, subsonic filter, R load 10 levels, C load, 9 levels adjustable W495 x H106 x D289 mm 12.4 kg power supply unit W495 × H77×D329mm 17.7kg
Volume contact disassembly maintenance including contact disassembly and polishing! 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. There is a feeling of use on the exterior such as small scratches and dullness (Asaine Tomoho)
Maintenance information: 2025.4.25 Maintained (Switches have been disassembled and polished before. Volume class disassembly contact disassembly and polishing. Bad relay contact replacement. (I/O pin jack polish)
Accessories: copy of instruction manual
Main specifications: LINEAR EQUALIZER equipped W438 x H78 x D363 mm weight 6.5 kg
Authentic Stellar Vox Japan product. A high CP model that allows you to fully enjoy the essence of GOLDMUND. The compact, lightweight, clear, and highly transparent sound is truly a GOLDMUND sound. It is an excellent machine that can reproduce sound with excellent spatial expression with fine particles even at low volume. The exterior is generally beautiful with no noticeable scratches. Serial G205 (Fujisawa Yukishi)
Maintenance information: 2025.5.12 operation confirmed
Accessories: power cord
Main specifications: line-only amplifier input RCA x 5 output RCA x 1 W300 x H60 x D300 mm 4 kg