Every corner has been maintained, such as replacing 2 output relays, replacing 4 transistors, disassembling and polishing switches, 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. You can see a feeling of use such as appearance, dullness, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.3.22 maintained (main volume replacement, output relay replacement, selector lamp replacement, protector transistor replacement, switch disassembly and polishing (input selector, RECOUT, phono selector, tone, loudness, muting, subsonic) solder main part repair, other volume sound wave cleaning, pin jack polishing, interior and exterior inspection cleaning, adjustment inspection)
Accessories: copy of instruction manual
Main specifications: effective output 90W+90W (8Ω) damping factor 80 (6Ω) W466 × H161 × D431 mm 15.0 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
Maintained including edge softening treatment! Comes with a dedicated stand DK-10000 sold separately. Diamond Tone 40th anniversary model DS-10000 klavier. A limited-edition model of 300 sets created by infusing all the sensibility of the company's engineers into a beautiful piano finish reminiscent of crafts. It is a masterpiece that pursues even the smallest sounds one by one. There is a dent correction mark on the woofer center cap. Serial number 14145 14146 (Murakoshi Yoichi)
Maintenance information: 2026.3.21 Maintained (edge softening treatment) 2026.3.18 Maintained (disassembly, removal of dust from the surface of the Boron diaphragm, magnetic circuit slit cleaning, rust prevention, round out the bobbin, centering adjustment, assembly, and operation confirmation. (Woofer dent correction, edge softening treatment)
Accessories: dedicated stand DK-10000, cloth cover
Main specifications: 3-way 3-speaker sealed bookshelf type usage unit/27cm aramid honeycomb curved cone type, 5.0 cm boron D.u.d. dome type, 2.3 cm boron D.U.d. dome type, 6Ω 35 Hz to 60000 Hz crossover 600 Hz/5000 Hz dimensions W360 x H625 x D290 mm weight 27 kg
Hi-Fi is in stock for the first time! A class A stereo power amplifier incorporating plenty of development results from the flagship model Grandioso M1X. Not only is it a warm and soft feeling common with Class A amplifiers, but it also reveals the position of each instrument in an orchestra with an overwhelming sense of transparency. Also, in terms of depiction power, I have the impression that the detailed breathing of vocals and the rubbing sound of stringed instruments come out very realistically. There are no visible scratches on the exterior, etc., and it is good with just the degree of dullness (Kobayashi Hitoshi)
Maintenance information: 2026.3.21 Operation confirmed
Accessories: instruction manual, power cable
Main specifications: 30W+30W (8Ω) 60W+60W (4Ω) practical maximum output 120W+120W (8Ω when connected to BTL) frequency characteristics 5Hz to 100kHz (+0dB, -3dB, 8Ω) S/N ratio 102dB (IHF-A) total harmonic distortion ratio 0.007% (1kHz, 8Ω, 30W) damping factor 500 W445 × H191 × D444 mm 30.7 kg (actual measurement)
Maintenance completed, including replacement of 9 capacitors and 18 transistors. Luxman slim control amplifier. It has a different atmosphere from the CL32 vacuum tube, and the clean clear tone is attractive. Also, the balanced neutral tuning unique to LUX is good. In addition to the exterior and 1 top cover screw cap missing, you can see a feeling of use such as dullness, scuffs, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.3.20 Maintained (switch disassembly contact polishing. Replace 6 deteriorated capacitors and 12 transistors in the tone control circuit. Replace 3 flat amp circuit capacitors and 6 transistors (I/O pin jack polish)
Accessories: copy of instruction manual
Main specifications: frequency characteristics Phono: 20 Hz to 20 kHz ± 0.2 dB Tuner/Aux: 0.5 Hz to 200 kHz -0.5 dB input sensitivity/impedance Phono 1, 2:2.5 mV/30 kΩ to 100 kΩ (continuously variable) Tuner/Aux: 150 mV/50 kΩ S/N ratio: 80 dB or more Tuner/Aux: 100 dB or more W442 x H101 x D400 mm 8.2 kg
A frame using high specific gravity resin is used for the strong ferrite low distortion magnetic circuit. The tuning adds a sense of naturalness and transparency to add vividness to the vocals. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.3.21 sound output confirmed
Accessories: none
Main specifications: baffle opening diameter 93 mm, screw pitch 115 mm, W130 x D 90 mm, 2.6 kg
Q series bookshelf speakers It is equipped with a Uni-Q driver that uses a CFD port applying fluid dynamics. The extremely clear phase characteristics are suitable for playback at close distances. The exterior is slightly dull, and there is a feeling of use (Murakoshi Yoichi)
Maintenance information: 2026.3.22 sound output confirmed
Accessories: none
Main specifications: 2-way bass reflex type frequency characteristics 63 Hz-28 kHz crossover frequency 2.5 kHz maximum output 110 dB amplifier input 15 to 120 W sensitivity 87 dB nominal impedance 8 ohms W210 ✕ H358 ✕ 306 mm weight 7.6 kg
Maintenance completed in 2022. It is a pioneer power amplifier with high cost performance, such as using independent left and right power transformers. The sense of power above the specs and the straightforward, straight sound without habit are attractive. A feeling of use can be seen on the exterior, dullness, rust, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2022.2.1 maintenance completed (SP switch removed, sound wave cleaning, LR meter lamp replacement, output relay replacement, power amplifier solder repair, internal inspection and cleaning, meter level confirmation, operation inspection.)
Accessories: none
Main specifications: 85W+85W (8Ω) size W480 x H142 x D390 mm weight 15.2 kg
Replacement needle for Shure's popular cartridge, M44-7 The unopened item has been opened for confirmation. Of course it's a superb item (Murakoshi Yoichi)
Maintenance information: 2026.3.21 sound output confirmed
Accessories: instruction manual, case
Main specifications: solid round needle, needle pressure 1.5 to 3.0 g
Replacement needle for Shure's popular cartridge, M44-7 The unopened item has been opened for confirmation. Of course it's a superb item (Murakoshi Yoichi)
Maintenance information: 2026.3.21 sound output confirmed
Accessories: instruction manual, case
Main specifications: solid round needle, needle pressure 1.5 to 3.0 g
Replacement needle for Shure's popular cartridge, M44-7 These cartridges are famous for their toughness, but how about using them as a spare (Murakoshi Yoichi)
Maintenance information: 2026.3.21 sound output confirmed
Accessories: case
Main specifications: needle pressure 1.5 to 3.0 g
Replacement needle compatible product equipped with a mono tip for the SHURE M44 series. The manufacturer is unknown. If you use it on the M44-7 or M44G, you can enjoy attractive mono sound with a crisp low frequency (Murakoshi Yoichi)
Maintenance information: 2026.3.21 sound output confirmed
Accessories: case (external product)
Main specifications: Check the sound output with MM 1.2g
This is Shure's original replacement needle for the M44 series SP. The powerful, thick, and strong sound of extrusion is attractive (Murakoshi Yoichi)
Maintenance information: 2026.3.22 sound output confirmed
Accessories: case
Main specifications: mm type output voltage 9.5 mV playback frequency range 20 to 20,000 Hz needle pressure 1.5 to 3 g
Audio-Technica headshell. It is an attractive classic model with stable popularity and high versatility. The exterior is dull and has a feeling of use (Murakoshi Yoichi)
Maintenance information: 2026.3.21 continuity confirmed
Accessories: none
Main specifications: magnesium alloy body weight 10g
The price has been reduced. 2026/3/17 sales price 12,800 yen. Currently sold. 2-way speaker made by AudioPro from Sweden Although it is a vertical twin type, the low frequencies are clean and high response. The sound is clear and smooth. A feeling of use can be seen on the exterior, dullness, white stains, abrasions, bruises, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.3.11 Operation confirmed
Accessories: saran net
Key Specifications: 2 way 2 speakers 8Ω 89dB crossover 4,800 Hz W124 × H1,150 × D155 mm 9.2 kg
The price has been reduced. 2026/3/17 sales price 25,000 yen. Currently sold. This model was born as an improved model of the DS-500. The rich sound and atmosphere of the mid-range is impressive, and it is a 2-way speaker that makes vocals and strings sound beautifully. There are stains on the exterior and corn, and a feeling of use can be seen, such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.3.17 Operation confirmed
Accessories: saran net
Main specifications: 2 way 2 speakers, sealed method, anti-magnetic design, size W230 x H401 x D242 mm, weight 10.0 kg
The price has been reduced. 2026/3/20 sales price 29,800 yen. Self-made speaker equipped with 4 CORAL 4L-60 and unknown TW. The sturdy enclosure lets you hear powerful sounds. There are scratches, dullness, and a feeling of use (Katsuji Hiura)
Maintenance information: 2026.3.20 sound output confirmed
Accessories: saran net
Main specifications: 2 way 5 speakers W408 x H275 x D295 mm weight 7.9 kg
The price has been reduced. 2026/3/4 sales price 30,000 yen. Large marble board with unspecified details. I'm going to have 1 autograph! If you've been looking for this size, take this opportunity. You can see the exterior, chips, marks, dullness, stains, and a feeling of use. ※Please contact us for shipping costs (Kobayashi Hitoshi)
Accessories: none
Main specifications: W1000 × H20 × D1000 mm 55 kg (actual measurement)
The price has been drastically reduced. 2026/1/6 sales price 8,000 yen. I was able to confirm the sound output. The degree of battery consumption etc. is unknown (it seems to be worn out), and it will be sold as is. OPPO portable headphone amplifier. Equipped with ESS Technology DAC chip ES9018K2M (Murakoshi Yoichi)
Maintenance information: 2025.12.28 sound output confirmed
Accessories: stereo mini jack, USB cable
Main specifications: 20 Hz to 200 kHz sampling frequency PCM44.1 to 384 kHz/16 to 32 bit, DSD 2.8224 MHz (DSD64), 5.6448 MHz (DSD128), 11.2896 MHz (DSD256) recommended headphone impedance 16Ω to 300Ω line, headphone output 3.5mm stereo, analog input 3.5mm stereo, digital input USB A W68 x H137 ×D12mm 175g
The price has been reduced. 2026/3/17 sales price 12,800 yen. Currently sold. 2-way speaker made by AudioPro from Sweden Although it is a vertical twin type, the low frequencies are clean and high response. The sound is clear and smooth. You can see a feeling of use such as appearance, dullness, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.3.11 Operation confirmed
Accessories: saran net
Key Specifications: 2 way 2 speakers 8Ω 89dB crossover 4,800 Hz W124 × H1,150 × D155 mm 9.2 kg
The disposal price has been reduced. Member discounts are not applicable. 2026/2/22 sales price 15,000 yen. Unknown arm base very similar to the THORENS TD-521 Super base. Clear, not smoke colored. There is dullness (Murakoshi Yoichi)
Accessories: none
Main specifications: 154 x 30 x 170 mm
The price has been drastically reduced. 2026/2/14 sales price 19,800 yen. *Currently sold. Fostex 10cm full range Excellent compatibility with backload enclosures. You can enjoy a coherent tone that is straightforward and has a sense of localization. It's also perfect as an introduction to making your own. You can see a feeling of use on the exterior, dullness, mold, stains, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.2.9 operation confirmed
Accessories: none
Main specifications: 10cm full range 8Ω playback frequency band FO to 18kHz output sound pressure level 92 dB
The price has been drastically reduced. 2026/3/7 sales price 99,800 yen*Line exclusive model. A QUAD control amplifier with a modern design. It is characterized by its simple, straightforward, and bouncy texture, which brings out the thickness of the sound. By adopting a double triode 6111WA as the central control device, a high signal-to-noise ratio has been achieved with a simple configuration. Serial C240901 (Takasaki Atsushi)
Maintenance information: 2026.3.5 operation confirmed
Accessories: manual, power cord, original box
Main specifications: Vacuum tube 6111 WA x 1 (double triode) LINE input/RCA x 5 systems, TAPE input/output/RCA x 2 systems
System, W300 x H88 x D125 mm, weight 3.4 kg
The price has been drastically reduced. 2026/2/14 sales price 40,000 yen*It is cheap because the shelves are in poor condition such as being rolled up, etc., and 1 shelf is missing. The metal frame is sturdy. The size has been cut down to the last minute to the outer dimensions, and the internal dimensions have been expanded to the last minute in a space-saving design. It brings out the performance of the device with tight and accurate sound quality. Exterior, no spikes, and a feeling of use can be seen, such as screw legs, rust, dullness, scuffs, etc. (Kobayashi Hitoshi)
Accessories: none
Main specifications: cast iron frame height adjustable (pitch 60 mm) 235 mm 315 mm 315 mm above current shelf spacing overall W540 x H1175 x D483 mm approx. 48 kg (usually when 5 tiers)
The disposal price has been reduced. Member discounts are not applicable. 2026/2/7 sales price 69,800 yen ※It is cheap because the damage etc. on the armrests are not good. Comes with an ottoman Among the company's many Stressless chairs, it is the most compact model and has a simple design that fits any room. It supports your lower back with a firm sitting comfort. In addition to large scratches on the armrests, there are minor scratches, abrasions, etc. and a feeling of use (Murakoshi Yoichi)
Accessories: ottoman
Main specifications: W700 x H940 x D700 mm seat height 380 mm ottoman: W550 x H400 x D420 mm
The price has been reduced. 2026/3/7 sales price 59,800 yen revolutions are slightly faster, but the current situation is. DUAL's new generation fully automatic record player. It is an affordable player that can be played with the touch of a button, and is also recommended for those who are new to analog. The 2M red orthophone cartridge is included, so you can use it right away. With a built-in phono equalizer, it can also be connected to a line amplifier. Compatible with 33/45/78 rotations You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2026.3.2 operation confirmed (rotation is slightly faster)
Accessories: cartridge (2M red), power adapter, connection cable, instruction manual
Main specifications: belt drive, 50/60 Hz, built-in phono equalizer, compatible with 33/45/78 rotations, W435 x H145 x D367 mm, 6.2 kg
The price has been drastically reduced. 2026/1/23 sales price 79,800 yen. Maintained in 2019 and 2020. LAXMAN's thin preamp. While making you feel a slightly glossy sweetness, I will summarize the music with a clean stretchiness from the mid low to high frequencies. Rather than the dynamic sense of scale, please be attracted by the comfort of the small-scale yet elegantly crafted sound quality. On the exterior of the serial 710397, there are scratches, rust, and a feeling of use on the top plate (Hiura Katsuji)
Maintenance information: 2020.8.12 maintained (PHONO1 matching impedance volume defect replacement, confirmed that there is no level difference or distortion in the waveform with the measuring instrument after repair)
2019.5.15 Maintained (panel lever switch/STEREO/OUTPUT switch disassembly contact polishing, equalizer circuit/power supply circuit and other circuit deteriorated transistors replacement, output relay contact defect replacement, display lamp deterioration replacement, input/output pin jack polish, operation check)
Accessories: none
Main specifications: LINEAR EQUALIZER equipped W438 x H78 x D363 mm weight 6.5 kg
The price has been drastically reduced. 2026/3/13 sales price 99,800 yen A rare boost transformer with TYPE 0.32M-15.241 cased in a self-made chassis. It goes well with the SPU, and you can listen to wonderful vintage sounds with sticky mid to low frequencies and sharp high frequencies. Please note that the gain is quite high (Murakoshi Yoichi)
Maintenance information: 2026.3.13 sound output confirmed 2023.8.18 maintained (RCA jack detachable, wiring corrected, running test)
Accessories: none
Main specifications: boost ratio 163 times primary impedance 1.5 Ω secondary impedance 40 kΩ size W123 x H82 x D 80 mm weight 244 g (actual measurement)
The price has been drastically reduced. 2026/2/14 sales price 89,800 yen Hi-Res compatible USB-DAC, DAC that also functions as a network player. Equipped with ESS Technology's latest generation flagship DAC chip “ES9038PRO.” In addition to PCM sound sources of up to 32 bits/768 kHz, the USB input supports playback of high-resolution sound sources with the highest specifications, such as being compatible with playback of DSD sound sources of up to 22.6 MHz (DSD512). There is a small scratch on the top surface. Serial A210J41721015447 (Murakoshi Yoichi)
Maintenance information: 2026.2.14 sound output confirmed
Accessories: instruction manual, power cord, original box
Main specifications: USB audio input (USB B type) input format stereo PCM stereo DSD (DoP v1.1 or native) PCM sampling frequency 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz, 352.8 kHz, 384 kHz, 705.6 kHz, 768 kHz PCM quantization bits 16 bits, 24 bits, 32 bit DSD Sampling frequency 2.8224 MHz (DSD64) 5.6448 MHz (DSD128) 11.2896 MHz (DSD256) 22.5792 MHz (DSD512, native only) [coaxial, optical digital input] input format stereo PCM stereo DSD (DoP v1.1) PCM sampling frequency 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz DSD sampling frequency 2.8224 MHz (DSD64 DoP v1.1) compatible audio formats AAC · AIF · AIFC · AIFF · APE · FLAC · M4A (Apple Lossless) ALAC · OGG · WAV · WMA · DSF · DFF maximum sampling frequency PCM 192 kHz/24 bit · DSD 2.8224 MHz (DSD64) W254 × H76 × D360mm 4.7 kg