The disposal price has been reduced! Member prices are not applicable. 2025/1/17 sales price 118,000 yen remote control is out of stock. QUAD's 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, which is nice. The exterior is dull and has threads. Serial 99PG0198 (Yonejima Satoshi)
Maintenance Information: 2025.1.17 Internally inspected
Accessories: power cord, connection cord, catalog
Main specifications: input LINE: 3 lines PHONE: 1 system TAPE: 1 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. 2024/8/10 sales price 128,000 yen Maintained! It has an elegant and glossy tone, and although combinations with 405 are common, 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. There are small scratches and paint peeling on the right side. Serial 24151 (Takasaki Atsushi)
Maintenance information: 2024.4.12 maintenance (main board ground point screw reprocessing, operation check) 2024.1.17 maintenance (replacement of coupling C, bypass C, etc. in each board, AC SW spark killer C replacement, INPUT switching analog SW through hole pattern re-soldering, power SW internal contact polishing ~ operation check)
2020.6.13 Maintained (balance VR, SW disassembly cleaning. Attach 1 kΩ resistors to both the left and right sides of the flat board. Replaced due to faulty IC. All flat and mother boards have been soldered again. (Check the input/output waveform, check the left and right balance, and perform a comprehensive operation test by connecting the power amplifier to confirm normal operation.)
Accessories: power cord, copy of manual
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321 x H103 x D203 mm, 4.0 kg
The price has been reduced. 2025/2/9 upgraded product with a sales price of 450,000 yen. The power cable is not an original one, but an orthophone cable has been replaced. It has been inspected by Taiyo International! Genuine Joba Shoji product. This is an upgraded model from SYNERGY2 (display color is green). This is a famous machine that combines an undisputed high amount of information with a calm sound that makes you feel a sense of security. The moderate temperature and flexible sound that makes you feel the skin are also attractive. There are dullness and small scars over time (Sasaki Shota)
Maintenance information: 2021.11.28 Tested by Taiyo International (actual measurement results, gain, frequency characteristics, distortion ratio, and residual noise are all normal. (The gain is 0 dB when the maximum volume is displayed at 63.5.)
Accessories: remote control, conversion plug, original box, power cable, connection cable
Main specifications: input/balance 5 systems output/balance 2 system preamp unit/W445 x H80 x D152.5 mm 11 kg power supply unit/W445 x H38 x D122 mm 3 kg
The price has been reduced. 2025/1/22 sales price 69,800 yen Maintenances included, including main volume replacement. The 306 series was supported as a pure audio entry model. It has plenty of phono circuits, is 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 small scratches and dullness (Oikawa Tetsuji)
Maintenance information: 2025.1.22 maintained (main volume replacement, all indicator lamp replacement, switch, volume decomposition polishing grease application (balance, bus, treble, muting, subsonic, cartridge, TUNER/AUX switching, phono selector, input selector, reckout, mode), solder repair, other interior and exterior inspection and cleaning, pin jack cleaning, running test)
Accessories: copy of instruction manual
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
The price has been reduced. 2025/1/29 sales price 99,800 yen West River line exclusive control amplifier. The independent power supply configuration makes it look good. It has a detailed, flat, and silky sound. The input etc. that are also at the front desk arouse a sense of fun. There is a slight feeling of use such as abrasions, lettering, etc. (Murakoshi Yoichi)
Maintenance information: 2025.1.28 sound output confirmed
Accessories: power supply unit, connection cable, power cord
Main specifications: 5 input systems, PRE out 2 system, frequency band 20 to 20 kHz, maximum output 7 V, main unit W400 x H115 x D250 mm, power supply unit W110 x H115 x D240 mm
The price has been drastically reduced. 2025/1/22 sales price 99,000 yen 14 transistors, 20 capacitors were replaced, and the flagship model at the time was beautifully revived by polishing the contacts on each part! A gentle, forward-looking sound. As a matter of fact, it is a top-class model that is easy to hear and has a high sound quality. The quality is convincing regardless of the era. The exterior has small scratches and a feeling of use such as dullness. Serial 3383 (Murakoshi Yoichi)
Maintenance information: 2024.11.11 maintained (replaced with main VR replacement, other PHONOEG circuit, 14 line amplifier circuit transistors replaced, 25 other electrolytic capacitors replaced, power supply unit electrolytic capacitors 3300u63v x 2, 1800u80v x 1 replaced, 5 other levers SW5 locations (all) disassembly contact polishing grease applied, rotation changeover switch (all) disassembly contact polishing grease applied)
Accessories: none
Main specifications: external dimensions: width 420 x height 170 x depth 295 mm, weight 6.5 kg
The interior has been thoroughly reviewed, and all selectors have been dismantled and polished, and deteriorated parts, including 8 transistors and 18 diodes, have been replaced! Yamaha's famous C-2a. The transparency and three-dimensional effect of the sound have been revived brilliantly. I recommend this one for those who like high-resolution sound with good mid-to-high frequencies. The sound of the phono equalizer is good, and it is also recommended for analog users (Daiki Goto)
Maintenance information: 2025.2.7 Maintained (switch and volume class disassembly contact polishing. Replace the PHONO circuit tone control circuit and other deteriorated parts in each circuit. (I/O pin jack polish.)
Accessories: copy of the 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. 2024/12/24 sales price 69,800 yen ※The remote control lid is out of stock, so it's cheap. Maintained! A preamplifier that can be operated by a full remote control. A familiar quad tone that is natural, easy to listen to and won't get tired of. In addition to volume, left and right balance, input switching, etc., it is fully equipped with functions such as TILT (loudness like function), high pass, low pass filter (2 levels each), etc., making it convenient. Dullness and scuff marks can be seen. Serial Q209140 (Fujisawa Yukishi)
Maintenance information: 2024.12.24 maintained (in-board through-hole solder re-soldering, replacement of 10 deteriorated capacitors, cleaning relay contacts, RCA pin jack cleaning, spark killer capacitor replacement, lamp replacement, operation check)
Accessories: remote control, power cord
Main specifications: full remote control control amplifier with PHONO input (mm) W321 x H80 x D255 mm 3.3 kg
The disposal price has been reduced. Member prices are not applicable. 2025/1/28 sales price 118,000 yen In addition to replacing deteriorated parts, the famous Yamaha C-2 has been fully restored by disassembling and polishing all switches and volumes! 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 of a piano, the feeling of attack, and the sharpness of guitar strings (Sasaki Shota)
Maintenance information: 2025.1.29 Maintained (TREBLE cleaning, overall inspection carried out)
2024.11.29 Maintained (Electrolytic Capacitors, Fuses, Microswitches, Spark Killers, Cord Protectors Replaced. Complete disassembly of the switch volume, repolish the contacts, and assemble with treatment to prevent oxidation and sulfidation. Check the waveform, check the sound output.)
Accessories: manual
Main specifications: PHONO x 3 system (MM/ MC) MC head amplifier built-in W435 x H72 x D320 mm 7.9 kg
The battery was replaced in 2024/6! AC & DC operation is possible. Technics slim control amplifier. This car has few quirks, and its straightforward, natural tone is impressive. It is a thin, space-saving model, and is recommended as a separate introductory machine. There are multiple scratches on the top plate on the exterior (Tomoho Asaine)
Maintenance information: 2024.6.1 maintained (battery created and installed, encoder etc. cleaned, solder corrected, charging operation checked, AC and DC operation checked, audio checked for each input/output)
Accessories: remote control instruction manual power cord
Main specifications: PHONO input (MM/MC) equipped with 2 output systems W430 × H70 × D307 mm 3.3 kg
The price has been reduced! 2025/1/9 sales price 99,800 yen ※Although maintenance has been completed, cracks remain on the filter switch. The slightly dark sense of sound pressure, where the delicate, three-dimensional midrange and sharp bass are intertwined, draws you into the world of sound. Also, since the output gain can be adjusted higher even for inputs at slightly lower levels, it is also possible to feel a different sound texture unique to full gain. There is a feeling of use such as dullness and abrasions. Serial 003714 (Takasaki Atsushi)
Maintenance information: 2025.1.7 operation confirmation (operation check, internal check, temperature test) 2022.6.4 maintained (LINE OUT mute circuit drive FET, Tr replacement. (Other checks OK)
Accessories: none
Main specifications: PHONO2 system, AUX 3 system W483 x H178 x D245 mm (including terminals and handles) 6.5 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
The price has been reduced. 2025/1/19 sales price 118,000 yen Maintained! QUAD's first transistor preamp. The deep sound image and the impression that the natural atmosphere has definitely increased, and the glossy way it rides and the sound that goes through the core make you think it's a vacuum tube amplifier. Of course, it's a combination with the 303, and the sound doesn't feel out of place even when paired with a vacuum tube power amplifier. The exterior is dirty, dull, and has a feeling of use. Serial 65736 (Hiura Katsuji)
Maintenance information: 2025.1.17 maintained (all dismantling checks, PHONO/LINE board coupling C, bypass C, etc., power supply C replacement, each VOL switch contact cleaning)
Accessories: Power cable connection cable x 4
Main specifications: external dimensions W550 x H110 x D220 mm, weight approx. 7.4 kg (actual measurement) [33] 3 input/line systems, 1 phono system (MM) [FM3] tubular FM dedicated tuner with automatic stereo/mono switching
2022.8 maintenance completed! 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 separations. There are exterior, scuffs, dullness, and marks (Kobayashi Hitoshi)
Maintenance information: 2025.1.11 Operation confirmed 2022.8.23 maintenance (PHONO selector switch disassembly contacts polished and contact cleaner applied. Disassemble and repair other switches and volumes. Main board solder correction. (I/O pin jack polish.)
Accessories: copy of instruction manual
Main specifications: MM/MC compatible W465 x H103 x D403 mm 8.5 kg
The disposal price has been reduced. Member prices are not applicable. 2024/12/25 sales price 238,000 yen balance volume brand new replacement! A popular preamp sold during the heyday of analog. It is characterized by a mid-range that is more glossy and has more sex appeal than those from C29 onwards. The rich sound can truly be said to be a preamp representing the golden age of McKinn. Since it is an original 120V specification, the lamp will be slightly dim when using 100V (Daiki Goto)
Maintenance information: 2024.12.25 Maintenance completed (Since the carbon in the carbon body on the right side of the balance VR has run out, we have confirmed symptoms where the sound is interrupted. There were original parts, so I replaced them. The main VR with power supply SW has been disassembled, cleaned, and cleaned. The input/output waveform was checked, left and right balance was confirmed, and a comprehensive operation test was performed by connecting the power amplifier) 2024.9.29 maintained (output level VOL sound interrupted → replacement, balance VOL Rch midpoint, loud noise large → uncompatible → parts cannot be obtained or replaced) 2024.8.29 maintained (each SW, VOL cleaning, push button lamp defect replacement, pin jack Cleaning, phono level vol sound interrupted → phono 1, 2 channel replacement, panel peeling cannot be corrected, operation check, lamp itself is not cut, it becomes slightly dark when used at 100V)
Accessories: copy of the manual
Main specifications: 4 input terminals, 4 PHONO input systems, 2 pre-out systems, W430 x H140 x D365 mm, 13.8 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
The disposal price has been reduced! (Not eligible for member discounts) 2024/8/5 sales price 238,000 yen 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: No accessories
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 in 2024/5! A high-performance preamp developed by Onkyo in the early 1980s. It is equipped with 3 types of cartridge selectors for 2 Phono inputs, making it a great specification for analog users. The way the dry mids sound is reminiscent of the sounds of the 60s and 70s. There are conspicuous line marks on the top plate and dents on the corners (Oikawa Tetsuji)
Maintenance information: 2024.12.2 operation confirmed
2024.5.9 Maintained (maintenance details/indicator lamp replacement, mode, recoup, input selector, cartridge selector, subsonic switch disassembly, polishing grease application, operational amplifier replacement, solder repair, each volume, switch cleaning, internal inspection and cleaning, operation confirmation.)
Accessories: copy of instruction manual
Main specifications: input LINE3 system PHONO2 (MM/MC) system power consumption 26W dimensions W450 x H990 x D403 mm weight 9.5 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 interior has been thoroughly reviewed, 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