Maintained! A masterpiece power amplifier with an all-FET circuit configuration. The size of the sound stage and the quick attack and the way the penetrating sound disappears are excellent. The hairline finish on the front panel and the LED switch with an impressive orange light are also attractive. The exterior has a feeling of use over time, such as dullness and small scratches. Serial 02545 (Hiroki Aso)
Maintenance information: 2024.5.23 Maintained (defective parts replacement in the main amplifier power supply circuit, bad output relay contact replacement, input volume contact correction)
Accessories: copy of instruction manual
Main specifications: 350W+350W (4Ω) 240W+240W (8Ω) W435 × H182.7 × D361.5 mm 20.9 kg
Fully maintained! The 38 series is the most popular 38FD. It has a warm tone with a warm tone, and there is plenty of warmth in the bass and mids, so you can enjoy the true essence of lackstone where you can enjoy the afterglow of the tone. There is slight rust on the back, but there are no major scratches other than that (Oikawa Tetsuji)
Maintenance information: 2024.5.22 maintained (solder correction, input/output waveform confirmation, load test (1kHz sine wave, at 8Ω load: 27W+27W), sound output test)
2023.12.17 Maintained (oil capacitor, block capacitor, electrolytic capacitor, film capacitor, fixed resistor, rectifier diode, DIN terminal, power supply SW, monitor SW, master VR, balance VR, rear panel VR, VR, rear panel VR replacement, RCA terminal polishing, lever SW disassembly and cleaning and application of grease to prevent oxidation and sulfation, replacement of 2 vacuum tube main parts, 50CA10 replacement, cabinet exterior repair/polishing/oil finish, input/output waveform Check, check for residual noise,
Load test (1 kHz sine wave, 27W+27W at 8 ohm load), sound output test)
Accessories: power cable, instruction manual
Main specifications: 30W+30W (4, 8, 16 ohms) line input 4 systems phono 2 systems (mm) W476 x H190 x D335 mm 18 kg
Maintained! It is the 5th generation of the 907, the top model in the D series that continues to be popular. Brush-ups have been made, such as strengthening the power supply section from the previous game, and the ability to reproduce the low frequency range has been improved. Precision is also added to the wild Sansui sound that feels torque, making it fun to listen to classical music. The exterior has line scratches, threads, and chips in the corners. Serial 605104895 (Fujisawa Yukishi)
Maintenance information: 2024.5.21 maintained (tone, subsonic, CD direct, muting, input selector (all), reck-out, phono selector switch disassembly polishing grease application, output relay replacement, protector transistor replacement, power supply unit, constant current diode, resistor exchange, selector lamp replacement, adjustment volume replacement, solder repair, SP selector fixed, master volume, other VR Cleaning, internal inspection cleaning, adjustment inspection, operation confirmation. (*Relay operation takes 15 to 20 seconds)
Accessories: No accessories
Main specifications: 160W+160W (8Ω) PHONO (MM/MC) compatible W466 x H161 x D431 mm 26 kg
Maintained! The mid-range α series uses an α-X balance circuit that blocks the effects of noise and distortion from the ground. The smooth, stretchy sound quality is attractive. Designed with CD playback in mind, the sound separation is good, and it is a classic premain that will keep you entertained regardless of genre. There are line marks and threads on the exterior. Serial 437100950 (Fujisawa Yukishi)
Maintenance information: 2024.5.21 maintained (tone, source switch, MM/MC switch disassembly, polishing grease application, power amplifier circuit transistor, adjustment volume replacement, output relay replacement, power supply part solder repair and other main parts solder repair, each volume, switch cleaning, interior and exterior inspection and cleaning, operation confirmation)
Accessories: No accessories
Main specifications: 90W+90W (8Ω) W448 x H160 x D441 mm 16.0 kg
Maintained! A prime amplifier developed during the heyday of CDs and gained popularity. The powerful, punchy sound quality, which combines the quality of the mid-high range with the power of the low frequencies, is attractive. There is room not found in lower models, and you can enjoy the sound with a sense of scale typical of SANSUI. The appearance is fine, with no noticeable scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.5.21 maintenance completed (tone and other switch disassembly polishing grease application (loudness, turnover, subsonic, muting, processor, input selector, power amplifier direct, source direct, tape, reckout switch), output relay, headphone relay replacement, power supply transistor replacement, power amplifier circuit transistor replacement, resistor, adjustment volume replacement, solder repair , interior and exterior inspection and cleaning, bias, DC adjustment, confirmation of each input/output, operation inspection)
Accessories: copy of instruction manual
Main specifications: Advanced α-X circuit equipped with 160W+160W (8Ω) damping factor 150 (8Ω) Phonomm/MC compatible W460 x H159 x D446 mm weight 33 kg
Maintained! A popular model from late Sansui. While promoting wider range, the sound that feels the depth and energy unique to the company is compatible with modern speakers. The punching power in the mid to low range that drives a medium bookshelf speaker is truly a word. There is a feeling of use such as dullness and abrasions (Daiki Goto)
Maintenance information: 2024.5.9 maintained (maintenance contents/TONE, loudness, subsonic, processor, input selector, power amplifier direct, source direct, tape, reckout switch disassembly, polishing grease application, output relay replacement, power supply capacitor replacement, solder repair, each volume, switch cleaning, interior and exterior inspection and cleaning, operation confirmation.)
Accessories: copy of instruction manual
Main specifications: 90W+90W NEW HYPERα-X balance circuit PHONO (MM/MC) power amplifier with direct function W430 x H162 x D452 mm 18 kg
※The wood cabinet is being repaired. Maintained! This is a full set that combines 33 QUAD original transistor preamps and 303 power amplifiers with tuner FM3. Comes with a wood case that allows 33 and FM3 to be built in parallel. The impression is 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 (Oikawa Tetsuji)
Maintenance information: 2024.5.4 maintained (internal check, power supply, filter C, HPX circuit C, etc., there are many differences in capacity → replacement f cover misalignment → readjust, tuning indicator lamp back change, DIN SP-RCA female cable damaged → created)
Accessories: power cable, connection cable (2 types: DIN-RCA and DIN-DIN types), copy of the instruction manual, FM coaxial connector
Main specifications: external dimensions W550 x H113 x D220 mm, weight approx. 7.0 kg (actual measurement) [33] 3 input/line systems, 1 phono system (MM) [FM3] tubular FM dedicated tuner with automatic stereo/mono switching
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 price has been reduced! 2024/3/15 sales price 79,800 yen 2023/11 maintenance completed! The middle class of the Sansui α series. The strength of the bass and the sharpness of the mid to high notes are mixed in a well-balanced manner, so you can enjoy not only jazz, but also various genres such as rock and pop music. The exterior is dull and the top plate is damaged. Serial 637065630 (Tomonori Asaine)
Maintenance information: 2023.11.23 Maintained (disassembling and polishing grease applied to each switch (tone, turnover, loudness, muting, subsonic, power amplifier direct, MM/MC, reckout switch), each volume and switch clean output relay and headphone relay replacement main amplifier and power supply part solder repair, interior and exterior inspection, cleaning, side cover screw replacement operation confirmation when power is turned on It makes a popping sound, but it stabilizes in a few minutes)
Accessories: copy of instruction manual
Main specifications: effective output 160W+160W (6Ω) 130W+130W (8Ω) damping factor 100 (6Ω) W448 × H160 × D441 mm 20.3 kg
※It smells like air freshener, so it's cheap. Marantz pre-main amplifier with excellent cost performance. The sturdy, heavy construction is unique to the heyday of audio. Class A operation can be switched, and both design and sound quality are unique to that time (Yasuhito Koshihama)
Maintenance Information: 2020.4.4 Maintained (Confirmation Symptom: The power does not turn on. Action: Power supply board repair correction. Fixed due to soldering deterioration in the main amplifier circuit and other circuit boards. Remote wire switch disassembly contact polishing. Bad output relay contact replacement. (I/O pin jack polish)
Accessories: none
Main specifications: 20W+20W (when grade A) 100W+100W (when AB grade) W454 x H165 x D380 mm 17.5 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 discounts are not applicable. 2023/6/24 sales price 178,000 yen Maintenance has been carried out and deteriorated capacitors etc. have been replaced! A newly created power supply is included. Genuine RF MC cartridge head amplifier The RCA terminal specification makes it easy to use, and has a separate power supply structure. The delicate, clear, and powerful sound is attractive (Daiki Goto)
Maintenance information: 2023.6.24 maintained (new power supply manufactured because the power module is defective but cannot be repaired, all deteriorated capacitors replaced, pin jack deterioration replaced, gain changeover switch replaced due to poor contact, each gain readjusted, operation inspected, (there are no current problems with the module)
Accessories: copy of instruction manual
Main specifications: Gain can be adjusted in 3 levels; input impedance can be used up to 45 ohms W175 x H60 x D210 mm 1.4 kg