Mark Levinson's masterpiece preamp representing the new generation. It is a sound with a high degree of perfection, good texture, and a sense of freshness. There is no lack of power seen in domestic machines, etc., and you can relax and immerse yourself in music with sound quality with intonation typical of high-end aircraft. There is a feeling of use, but there are no noticeable scratches etc. (Kobayashi Hitoshi)
Maintenance information: 2024.5.1 operation confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: Line 7 system high precision discrete attenuator W451 × H74 × D357 mm 9.1 kg
Maintenance has been completed, including removal of internal glass fogging! The company's first model equipped with a digital panel. The sense of S/N has increased, and the sound is deep enough to be compatible with modern speakers. The high range has also been widened, and while every band remains clear, it makes you feel the thickness typical of McKinn. Detailed settings are also possible with the 8-band equalizer. (MIZUSAKI Ryo)
Maintenance Information: 2024.4.30 Maintained (glass panel fogging cleaning. 8 Tone VR ✕ pieces have been disassembled and cleaned.
Operation check OK)
Accessories: power cord, remote control, instruction manual
Main specifications: digital volume type 8-band equalizer line input 9 systems (RCA x 8/XLR x 1) phono (MM) input 1 system line output 3 systems (XLR/RCA) W445 x H150 x D470 mm 11.5 kg
The disposal price has been reduced! Member prices are not applicable. 2024/4/26 sales price 148,000 yen Maintained! Although it is a line-only preamp, it also has a total of 8 input systems, so it is convenient for using multiple devices such as CD players. Also, the CD input is equipped with a dedicated buffer amplifier and volume, so you can feel the attention to detail in this model. The exterior has bumps, scratches, etc. Serial J7Y818 (Fujisawa Yukishi)
Maintenance information: 2024.4.26 Maintained (replaced due to offset volume disconnection and poor contact. Due to poor contact with the push switch inside the sealing door, polishing grease was applied to the disassembly contact. The main volume and CD volume contacts have been cleaned. The power circuit capacitor has been replaced. Each input/output operation was checked.)
Accessories: No accessories
Main specifications: line preamplifier, CD dedicated buffer amplifier, CD dedicated input balanced/unbalanced 1 system each, line input 5 systems, 1 output balance system, 2 unbalanced systems, W475 x H135 x D373 mm, 11 kg
Maintained! An exclusive popular preamp. It is packed with attention to communication from engineers, such as the quadruple attenuator volume with 22 contacts and the use of copper foil glass epoxy substrates. Oxygen-free copper wire is used as internal wiring material. The abundance of inputs, such as 3 PHONO systems and 3 AUX systems, is also attractive. The high quality, which is thick and roomy, is attractive. There are scratches and scratches on the exterior. Serial 001000885 (Yonejima Satoshi)
Maintenance information: 2024.4.25 Maintained (all lever switch disassembly contacts polished contact grease coated. Rotary switch contact cleaning. Check the operation of each input/output. (Capacitors have been maintained)
Accessories: No accessories
Main specifications: 22 contact attenuator PHONO 3 system TUNER 1 system AUX 3 TAPE system 3 stage switchable attenuator dimensions W468 x H206 x D342 mm weight 12.5 kg
*Remote control is out of stock. Maintained! It is a control amplifier that supports digital input in addition to analog input. The simple mechanical design is also good. The sound quality is also attractive, with a relaxed, highly transparent sound typical of Yamaha. There are dullness and dents (Oikawa Tetsuji)
Maintenance information: 2024.4.27 Maintained (disassemble switches such as PHONO selectors, polish contacts and apply contact cleaner. The preamp circuit, power supply circuit, and all other circuit board soldering were corrected. Digital input sound output check OK. (I/O pin jack polish)
Accessories: instruction manual
Main specifications: 8 digital inputs PHONO (MM/MC), 18-bit operation, built-in twin D/A converter, W473 x H130 x D400 mm, 12.2 kg
Maintained! 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 has threads and scratches appropriate to the model year throughout. Serial 1293 (Yamato Yuki)
Maintenance information: 2023.3.18 maintenance (all cleaning of each slide vol. front Vol switch, etc., replacement of the lamp inside the push button.) 2022.7.26 maintenance (slide vol, other Vol co-cleaning, INPUT selector SW dismantling contact plate polishing, L and R board bypass replacement.)
Accessories: instruction manual (English copy)
Main specifications: LINE input 4 systems PHONO (MM) input 2 systems W397 x H170 x D370 mm 8.0 kg
The price has been reduced! 2024/4/23 sales price 258,000 yen Maintained! Comes with a cabinet. Genuine Electri 100V specification. 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. There is a scratch on the cabinet and a crack in the mounting plate. Serial JEB7808 (Fujisawa Yukishi)
Maintenance information: 2024.4.23 Maintained (panel peeling fix. Polishing grease applied to all push switch disassembly contacts. Rotary switch contact cleaning. Volume contact cleaning. Electrolytic capacitor replacement, panel lamp replacement. (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 D390 mm 11.8 kg
Maintained! This is the first AUDIO OF OREGON control amplifier to be in stock in a long time. It is compatible with 117V specification American speakers such as ALTEC and JBL, etc., and although it is a transistor, it doesn't become too stiff and makes you enjoy the firm sound. The exterior has dullness and scratches. ※The plug has been changed. Genuine RF Serial 02117 (Tamura Eiji)
Maintenance information: 2024.4.27 Maintained (no running symptoms. The board vibration check connection was checked. (All pattern parts of the flat amplifier module unit have been added and soldered.) 2024.4.13 Maintained (Electrolytic capacitor replacement in amplifier module. Pattern contact defect correction. (Voice operation check)
Accessories: No accessories
Main specifications: All stages use pure class A operation circuit input phono (mm/47 kΩ) tuner, tape, aux dimensions W483 x H89 x D190 mm weight 4.5 kg
The price has been drastically reduced. 2024/4/22 sales price 128,000 yen 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. You can enjoy a calm, high-quality sound when paired with the same speakers made in England (Murakoshi Yoichi)
Maintenance information: 2024.4.18 maintenance (internal all checks, power supply filter C ± B bypass C replacement, balance VOL cut off sound → cleaning, check each board)
Accessories: 2 DIN input cords, power cord, instruction manual (copy)
Main specifications: 2 LINE inputs, 2 TAPE2 systems (DIN input or more), 1 PHONO input system, Phono sensitivity 1m/3m/10mV switching W321 x H103 x D203 mm 4 kg
The disposal price has been reduced! (Member discounts are not applicable) 2023/12/15 sales price 118,000 yen Maintained! The thin preamp from the musical Fidelity has an English style taste where you can feel the elegance, and the perfect balance of high frequencies that don't insist too much on the thick, thick mid-low range unique to this era feels good. The tape/monitor switch has been repaired and replaced and is a non-genuine product. The exterior is dull overall, with small scratches and a lot of feeling of use (Asaine Tomoho)
Maintenance information: 2023.10.26 maintained (TAPE1 monitor switch defective → non-genuine silver knob replacement. Rear terminal screw idle rotation all replacement, operation check) 2023.10.12 maintained (main VOL noise → replacement. Treble distortion noise VOL replacement (original not available, replacement with replacement, no click on the midpoint position) IC, DC leak defect replacement, capacitor deterioration replacement, operation check.
(We will not be able to respond if the dedicated parts are defective in the future)
Accessories: none
Main specifications: external power supply system with PHNON (MM MC) CR type RIAA equalizer output 2 systems W482 x H57 x D166 cm 3.0 kg
The price has been drastically reduced. 2024/4/17 sales price 128,000 yen Maintained! Quad control amplifier The famous machine 44 has been refreshed by changing the back terminal to an RCA specification that is easy to handle. It's a perfect balance between freshness and richness. When paired with speakers made in England, you can enjoy a calm, high-quality sound (Daiki Goto)
Maintenance information: 2024.4.17 maintained (internal all checks, B-filter capacitor deterioration, +- 18V drive Tr leak large, rectifier diode failure instability → replacement power SW spark killer broken → replacement. C and R checks within each board. *There is a sound leak at main volume 0. (Create 2 1.5m DIN5 cables)
Accessories: copy of instruction manual, power cable, connection cable
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. Member discounts are not applicable. 2023/4/2 sales price 250,000 yen ※We have newly created head amplifier modules ✕ 2, Phono equalizer modules x 2, and flat modules x 2. Maintained! This is a control amplifier from Sony's high-end brand, the Esprit series. Straight Sony sound with a sense of speed similar to the TA-E900. I want to use the look and sound in combination with the company's Power TA-N902. The exterior has small scratches and is dull. Serial 200499 (Takasaki Atsushi)
Maintenance information: 2023.4.2 Maintained (2 flat modules replaced. Check the input/output waveform, check the left and right balance, and connect a power amplifier to perform a comprehensive operation test.)
2023.1.5 Maintained (Phono equalizer module x 2 replaced. Check the input/output waveform, check the left and right balance, and connect a power amplifier to perform a comprehensive operation test.)
2022.8.31 Maintained (head amplifier module ✕ 2, capacitor, semi-fixed resistor, relay, LED, lamp, Capcom, power cord replacement. All SW, VR disassembly and cleaning. Re-solder the deteriorated part of the solder surface of the board. Check the input/output waveform, check the left and right balance, and perform a comprehensive operation test by connecting a power amplifier.)
Accessories: copy of instruction manual
Main specifications: 2 phono inputs, 5 line inputs, 2 pre-out systems, W480 x H105 x D465 mm, 12.5 kg
The disposal price has been reduced. Member prices are not applicable. 2023/5/13 sales price 250,000 yen*The main volume, BASS, and TREBLE knob textures are different from the original. Internal parts have been thoroughly reviewed and maintenance has been carried out! This is a control amplifier from Sony's high-end brand, the Esprit series. Straight sound with a sense of speed similar to the TA-E900. The outline is clear and the sound image is drawn clearly. It is a vintage speaker and is especially recommended for jazz and rock fans. On the exterior, in addition to dullness and small scratches, there is a feeling of use, such as sticker marks on the top plate. Serial 200616 (Hiroki Aso)
Maintenance information: 2023.3.4 maintained (running test by refining the I/O board and screw parts) 2022.10.1 maintained (condenser semi-fixed resistance relay LED lamp IC spark killer Capricorn washer replacement implementation all SW VR disassembly cleaning board solder surface re-solder input/output waveform confirmation and left and right balance confirmation comprehensive operation test)
Accessories: copy of instruction manual
Main specifications: 2 PHONO inputs, 5 line inputs, 2 pre-out systems, W480 x H105 x D465 mm, 12.5 kg
The price has been drastically reduced. 2024/4/10 sales price 238,000 yen Maintenance completed! A control amplifier representing the golden age of Macintosh. Compared to the C28, this model has a wider range and more subtlety. The rich, glossy, and thick tone is alive and well, especially with vintage speakers. There is rust on the exterior, top plate, and sides, and there is a feeling of use such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.4.10 maintenance completed (each SW, VOL cleaning, pin jack cleaning, lamp deterioration replacement, bridge diode deterioration replacement, pattern re-soldering, connector direct soldering, glass panel peeling correction, operation check)
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
The disposal price has been reduced! (Member prices are not applicable) 2024/3/7 sales price 79,800 yen Maintained! 120V specification SUMO control amplifier hosted by amplifier design genius James Bongiorno. Compared to amplifiers from the GAS era, the sound is cleaner, but the elastic low frequency bounce method is still alive and well. It is one that uses toroidal transformers and high quality parts, and makes you feel that they are particular about it. On the exterior, abrasions and line scratches are conspicuous on the top plate. Serial H (Yonejima Satoshi)
Maintenance information: 2024.3.25 Maintained (Earth float re-corrected. (*Since it is AC120 specification, a hum sound may occur at 100V)
2024.3.7 Maintained (internal inspection check, PHONO changeover SW, INPUT/TAPE changeover SW cleaning. Transistors, resistors, and capacitors can be checked. Operation check)
Accessories: No accessories
Main specifications: 6 inputs, 2 PRE OUT terminals, W480 x H40 x D220 mm, weight 8.0 kg
The price has been drastically reduced! 2024/4/6 sales price 218,000 yen ※The exterior is in poor condition, so it's cheap. Maintained! 100V specification genuine Baes product. A control amplifier representing the golden age of Macintosh. Compared to the C28, this model has a wider range and more subtlety. The rich, glossy, and thick tone is alive and well, especially with vintage speakers. The exterior has rust spots, paint deterioration, and unevenness on the front. Serial JBZ7419 (Fujisawa Yukishi)
Maintenance information: 2024.4.6 maintained (TONE, MODE, INPUT, BAL etc. decomposition contact polishing grease applied. All push switch contacts are coated with abrasive grease. Mode switch, volume, balance volume contact cleaning. Electrolytic capacitor replacement. Panel lamp replacement Panel peeling correction. ※Since the panel color is burnt, there is color unevenness with the correction part. (Check the operation of each input/output)
Accessories: No accessories
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
The disposal price has been reduced. Member discounts are not applicable. 2023/11/30 Sales price 128,000 yen 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. Personally, I recommend the combination with QUAD405. *There is a slight sound leak even when the volume is reduced due to initial type specifications. The RADIO next to the back input DISC is the AUX input (Murakoshi Yoichi)
Maintenance information: 2023.11.29 maintenance (balance VOL, filter VOL, each rotor legal → oil cleaning, no AC switch spark killer → installation, tantalum C replacement in each board, power supply filter C replacement, input cable DW5P creation.)
Accessories: DIN cable, power cord, instruction manual (copy)
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 (member prices are not applicable). 2024/2/24 sales price 118,000 yen Maintained! This is QUAD's first transistor preamp. The dark tone, with a sweet sense of humidity, is the British sound itself. The combination with the company's 303 power amplifier is also an attractive system. There is a feeling of use due to aging (Daiki Goto)
Maintenance information: 2023.10.18 Maintained (insufficient capacity of the filter C in the power supply, coupling C in each board, bypass C, etc. → all replaced. Each Vol, SW Gari → All Clean Power cord creation.)
Accessories: power cable, connection cable, copy of instruction manual
Main specifications: Phono 1 system, 3 line systems, W260 x H92 x D165 mm, 3 kg
The disposal price has been reduced. Member prices are not applicable. 2024/1/18 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. BAL knobs are worn out (Daiki Goto)
Maintenance information: 2024.1.18 Maintained (front push button contact failure → cleaning, PHONO/LINE in-board coupling capacitor replacement. AC spark killer capacitor broken → replaced, each VOL cleaned, power cable created)
Accessories: copy of instruction manual
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
The disposal price has been reduced. Member prices are not applicable. 2023/9/23 sales price 118,000 yen This is a high sound quality studio preamp with feedback on design and development technology for professional consoles and DC power amplifiers. It has a high-grade design, such as an input level equipped with a large machined aluminum knob, monitor level volume, an R core transformer, and a luxurious power supply unit using a large capacity capacitor. There are hit scratches and line scratches overall (Daiki Goto)
Maintenance information: 2023.9.23 Operation confirmed
Accessories: power cable
Main specifications: Input SOURCE INPUT 4 stereo systems (1 of which is balanced input) DECK INPUT stereo 4 systems output MONITOR OUTPUT stereo 2 systems (1 of which is balanced output 2 hot) DECK OUTPUT stereo x 4 W483 x H181 x D44 mm 3.4 kg
The disposal price has been reduced. Member discounts are not applicable. 2024/1/18 sales price 118,000 yen Maintained! Quad first-generation transistor preamp. It's a car that makes more noise than its size, and you can enjoy a variety of expressions with expressive power rich in shadows. When combined with the company's 303, etc., it has a thick, dark tone and calm elegance. You can enjoy classical and acoustic sounds with glossy tones. There is a feeling of use such as small scratches. Serial 105591 (Takasaki Atsushi)
Maintenance information: 2024.1.17 maintained (internal internal board coupling C, bypass C, etc. replaced, front button contacts all cleaned, each VOL cleaned, DIN cable 3 created) 2014.12.1 maintained (capacitor replaced. Selector switch contact cleaning. (Input/output DIN terminal pin replacement)
Accessories: 5 PINDIN → RCA cable x 2, 4 PINDIN → RCA female x 1, power cable, copy of instruction manual
Main specifications: Phono 1 system, 3 line systems, W260 x H92 x D165 mm, 3 kg
The disposal price has been reduced! (Member discounts are not applicable) 2023/11/11 sales price 99,800 yen 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) and high pass and low pass filters (2 levels each), which is convenient. The exterior has peeling paint and repair marks on the bottom. Serial Q 202547 (Tamura Eiji)
Maintenance information: Maintained on 2015.2.23 (reworking the solder on the printed circuit board pattern on the power switch part of the amplifier body. Electrolytic capacitor replacement in the main unit. The CD/PLAY button installation on the remote control has been reworked. Remodeling the remote control emitting diode mounting position. aging test. (Check the operating distance range of the remote control → around 5m)
Accessories: remote control, power cable
Main specifications: full remote control control amplifier with PHONO input W321 x H80 x D255 mm 3.3 kg