The price has been reduced! 2024/4/22 sales price 128,000 yen Maintained! The rear terminal of the Quad control amplifier has also been changed to RCA specifications to make it easier to handle, and the famous 44 has been refreshed to deliver goodness to a wide range of people. 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. Personally, I recommend the combination with QUAD405. Serial Q36114 (Fujisawa Yukishi)
Maintenance information: 2024.4.22 Maintained (balance VOL cleaning ~ check OK. Check the other boards and re-solder the holes. (C, R check OK)
Accessories: 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 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
Maintained! 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. You can see a feeling of use such as appearance, dullness, small scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.4.22 maintenance completed (mode, recout, input, subsonic, cartridge, phono selector switch disassembly, polishing grease application, replacement of all indicator lamps, solder repair, pin jack polishing, internal inspection and cleaning, each volume, switch cleaning, operation confirmation)
Accessories: 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
Maintained! John Carl's slim-design “flat preamp” is the first control amplifier equipped with an original module developed in-house. Thorough simplification and a straight, coined tone with carefully selected high quality parts are the model that became the basis for later Mark Levinson preamps. Serial 1306 (Murakoshi Yoichi)
Maintenance information: 2024.4.20 maintenance (new power supply made inside the original power supply, Lch gain changeover switch replacement, volume gang error correction, function switch contact cleaning, specification inspection, various operation inspections) 2024.3.3.13 maintenance (various inspections, aging) 2023.10.27 maintenance (RCA terminal replacement, inspection adjustment)
Main specifications: 5 module phono (MM) compatible RCA input/output body size W482 x H60 x D195 mm (actual measurement) 4.2 kg (actual measurement)
*Only a simple 2ch test has been carried out, and since no other checks are possible, it will be sold as is. Digital AV preamp compatible with Dolby Atmos and DTS X. High-precision computation processing using 64 bits is possible for equalizing processing of all bands. Equipped with a viewing environment optimization system “YPAO” (Yamaha Parametric Room Acoustic Optimizer) specially designed for this unit. This is a next-generation AV amplifier with a focus on digital sound processing. Serial Y032095UW (Fujisawa Yukishi)
Maintenance information: 2024.4.21 Operation confirmed (2ch simple test only. (Detailed checks have not been confirmed)
Accessories: remote control, instruction manual, FM antenna, microphone, original box, microphone base
Main specifications: 65W W350 x H192 x D474 mm 13.5 kg
Maintained! 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 Mackins'. Serial AK9084 (Murakoshi Yoichi)
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: instruction manual (copy)
Main specifications: 4 input terminals, 4 PHONO input systems, 2 pre-out systems, W430 x H140 x D365 mm, 13.8 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 discounts are not applicable. 2024/4/13 sales price 128,000 yen ※The PHONO board is for MC only (MM cannot be used). 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 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