Maintenance has been completed with attention to details such as main volume, relay replacement, etc. Upgraded model from AU-D607. The sharp punch is strong, and the sound with a sense of dynamism is superior to the α series. You can enjoy sharp and powerful sound. I recommend this car for people who like analog jazz, blues, etc. Serial 435108173 (Hiura Katsuji)
Maintenance information: 2026.4.16 Maintained (main volume replacement, switch disassembly and polishing (input selector, phono selector, tone, subsonic, loudness, muting, reck-out), output relay replacement, selector lamp replacement, protector transistor replacement, main amplifier volume adjustment, phono circuit and other solder repairs, earth line wiring correction, interior and exterior inspection and cleaning, pin jack polishing, adjustment inspection)
Accessories: none
Main specifications: effective output 90W+90W (8Ω) damping factor 80 (6Ω) W466 × H161 × D431 mm 15.0 kg
Thorough maintenance was carried out, from replacing 2 output relays, 5 switches, 2 capacitors, disassembling and cleaning the main volume, and disassembling and polishing the switch! Best buy model from the late 90s. It inherits the traditional diamond actuation circuit, and is characterized by a well-balanced sound with a refined circuit configuration, such as a sense of SN in the mid-high range, and the certainty of the outline in the low range. The exterior is dull over time, and there are scratches on the top of the front panel. Serial 608060811 (Yamato Yuki)
Maintenance information: 2026.2.12 maintained (repair for TR solder crack for power amplifier temperature compensation, other solder repair power supply unit fuse replacement main volume dismantling cleaning switch disassembly polishing (input selector, power amplifier direct, reck-out, processor MMMC switching) switch replacement (tone, speaker 1, 2 subsonic, ride ness) protector part capacitor replacement solder repair, etc. Volume cleaning, interior and exterior inspection cleaning, operation confirmation)
Accessories: copy of instruction manual
Main specifications: 80W+80W (8Ω) phono (MM/MC) switching dimensions W432 x H165 x D450 mm weight 18 kg
Maintained! The front paint peels off a lot, so it's cheap. A rare 800 Hz/8 ohm network that doesn't arrive easily. For those who are self-made and use LE175 or LE85. You can enjoy a horn sound that is a bit different from 500Hz. There are paint peeling, line scratches, rust spots, etc. on the exterior. Serial 6218/6226 (Eternity Miraito)
Maintenance information: 2026.4.16 maintenance completed (input terminal deterioration replacement, ultrasonic terminal cleaning, insulation bushing mounting screw rust replacement, attenuator switch contact cleaning, crossover check OK)
Accessories: none
Main specifications: impedance 8 ohms, crossover, 800 Hz, 120 W, 3-stage gain control, approx. 1.9 kg
Maintenance has been completed, such as replacing a total of 54 power transistors and other transistors! The crisp, dry, and powerful sound, which also has a sense of dynamism, is amazing. The crispness is excellent. It is recommended for listening to jazz, rock, etc., and is also suitable for playing records. The exterior has dullness and bumps, etc., but it is a relatively beautiful individual compared to its age. Serial 8200430062 (Tamura Eiji)
Maintenance information: 2026.4.14 Maintained (main amplifier section, 2 TR replacement transistors, 16 transistors, 2 current detection transistors, volume adjustment, 20 equalizer transistors, 24 tones replaced. Main volume dismantling and cleaning. Output relay replacement. Bass, treble, and balance volume exchange. Protector SCR replacement. Switch disassembly and polishing (input selector, recout, tone, subsonic, loudness, coupler, tape) tape, speaker knob adjustment. Interior and exterior inspection cleaning, adjustment inspection, operation confirmation. (*It clicks when the main volume is turned off, but there is no functional problem.)
Accessories: instruction manual
Main specifications: 70W+70W, 2 line inputs, 2 phono inputs (MM/MC), 2 tape systems, pre/power separable, W430 x H168 x D390 mm, 15.5 kg
The price has been reduced. 2026/2/8 sales price 79,800 yen maintenance including replacement of 22 deteriorated electrolytic capacitors! Technics thin preamp. It has a neat sound typical of Technics, so you can relax and enjoy music without getting tired of listening. It's also convenient that there are plenty of tone controls. There is a scratch on the top plate (Sasaki Shota)
Maintenance information: 2026.2.8 Maintained (flat amplifier and other circuit capacitors replaced. Switch disassembly polishing (input selector, phono selector, reck-out, mute, loudness, filter, operation, turnover, mode) balance volume and other partial polishing. Main volume sonic cleaning. Solder repair. (Interior and exterior inspection and cleaning, pin jack polishing, inspection of each input/output, operation confirmation)
Accessories: copy of the manual
Main specifications: Phono MM/MC compatible, 2 line input systems W430 x H97 x D360 mm 5.5 kg
Maintenance has been completed with attention to detail, such as dismantling and cleaning the main volume, disassembling and polishing the switch, replacing 2 output relays, and replacing 2 capacitors. Best buy model from the late 90s. It inherits the traditional diamond actuation circuit, and is characterized by a well-balanced sound with a refined circuit configuration, such as a sense of SN in the mid-high range, and the certainty of the outline in the low range. You can see a feeling of use such as dullness, stains, and abrasions on the exterior (Kobayashi Hitoshi)
Maintenance information: 2026.3.22 maintenance completed (main volume dismantling and cleaning, switch disassembly and polishing (input selector, power amplifier direct, reck-out, processor, MMMCK replacement) switch replacement (tone, speaker A/B, loudness, subsonic) output relay replacement, protector capacitor replacement, pin jack polishing, other volume cleaning, interior and exterior inspection and cleaning, operation confirmation)
Accessories: copy of instruction manual
Main specifications: 80W+80W (8Ω) phono (MM/MC) W432 x H165 x D450 mm weight 18 kg
Each SW has been disassembled, polished, cleaned, and maintained by replacing deteriorated parts! Equipped with a VU meter, this preamp was developed by combining many of Sony's technologies. Clear tones without blurred outlines have been made more vivid. It surprisingly matches Japanese speakers, and plays female vocals with a glossy tone. On the exterior, there is a feeling of wear such as scuffs, rust etc. on the top of the hood. Serial 20489 (Tomoho Asaine)
Maintenance information: 2026.2.20 maintained (volume replaced with VR replacement, balance, VR disassembly, cleaning, etc., FUNCTION MODE BASS, TREBLE, EACH ROTATION MULTIPLE SW DISASSEMBLY POLISH CLEANING GREASE UP OTHER MONITOR SW HIFILTER LOWFILTER FUNCTION LEVER, OTHER METER LAMP EXCHANGE, OTHER MINI VR 6 PLACE ULTRASONIC CLEANING OTHER POWER SUPPLY MICRO SW EXCHANGE, etc. Power cord replacement and other front panel knobs rear panel input/output terminal cleaning
Sound output running test)
Accessories: none
Main Specifications: Input Phono1/2, Tape Head, Tuner, Tape, Aux Dimensions W400 x H149 x D315 mm Weight 9 kg
Maintenance has been completed for the main volume and various switches, such as disassembly, polishing, and cleaning! Sony's classic 333 series model. The strengthened power supply makes the sound pressure feel solid and slightly appealing. Sounds with a sense of weight proportional to appearance are unique to this era. As for the phono circuit, you can enjoy the thick, sharp sound of analog discs with both MM and MC. There are line scratches and bumps on the exterior. Also, there are collapses and creases on the side panels. Serial 203598 (Tamura Eiji)
Maintenance information: 2026.2.3 Maintained (main amplifier section FET, adjustment volume, deterioration resistor replacement. Switch disassembly and polishing (input selector, direct, mode, speaker, recout, muting, subsonic, turnover, cartridge selector) main volume dismantling and cleaning. Output relay replacement. Earth terminal repair. Solder repair. Internal inspection and cleaning, pin jack polishing, bias adjustment, running test. *Please note that if you turn the SP terminal more than necessary, it will break. (The relay operates for about 15 seconds.)
Accessories: none
Main specifications: 105W+105W (8Ω) with phono MM/MC W470 x H165 x D435 mm 21.2 kg