The price has been drastically reduced. 2026/8/2 sales price 110,000 yen A high sound quality music server equipped with the Linux-based dedicated OS “VitOS.” I have the impression that the signal-to-noise ratio, resolution, wide sound field, and sense of localization are increasing. Try ROON Server first. The spatial expression becomes natural. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2026.8.1 sound output confirmed
Accessories: power cable, original box, AC adapter
Main specifications: Memory (RAM) 8GB internal storage 250GB (NVMe SSD*including 120GB system disk) Compatible formats: PCM maximum 768 kHz/32 bit, DSD maximum 256 (USB audio output) USB audio output x 1, USB terminal for external storage (USB 3.1 x 2, USB 2.0 x 1) wired LAN (1000Base-T) x 1, 10 MHz external clock input terminal x 1 Services: Roon Core, DLNA renderer, Spotify Connect, AirPlay, TIDAL, Qobuz W200 x H65 x D200 mm 3.4 kg
Line transformer using USA 1 inch super permalloy core. 2:1 line transformer. Auditory distortion is reduced, and a deep, expansive, and resonant afterglow comes out. The gain is reduced by 1/2, and when used in reverse, it is doubled. The exterior has dullness and stains (Satoshi Yonejima)
Maintenance information: 2026.8.8 operation confirmed
Accessories: No accessories
Main specifications: 15 kΩ: 3.75 kΩ (2:1) frequency characteristics 10 Hz to 50 kHz W100 × H50 ✕ D100 mm 750 g
8-pole synchronous motor It was created to drive a 31 cm diameter platter at 33.1/3 and 45 rpm with AC100V/50Hz/60Hz. It realizes high-precision rotation synchronized with the power supply frequency, and brings out the original performance of the turntable with excellent rotation stability. There is a feeling of use on the exterior due to dullness, scratches, rust, etc. (Asaine Tomoho)
Maintenance information: 2026.8.6 rotation operation confirmation
Accessories: polymer thread pulley ※ slightly thicker than the calculated value, please finish with sandpaper or a fine round file
Main specifications: 125 mm from floor to pulley top, outer diameter 205 mm, weight 17 kg
The price has been drastically reduced. 2026/6/21 sales price 22,000 yen PSE standard product. It is a power distributor/conditioner that supplies clean power with two types of noise filters and can improve the sound quality of audio equipment. Comes with a polarity check function. Domestic exclusive specification (Oikawa Tetsuji)
Maintenance information: 2026.6.20 Operation confirmed
Accessories: none
Main specifications: 13 power outlets W482 ✕ H45 x D294 mm 3.5 kg
The price has been reduced. 2026/8/4 sales price 59,800 yen*Currently sold for commercial use. PA case included. Professional 2-channel power amplifier with a robust design and high output. The fan is loud. There are many scratches, dullness, etc. on both the main body and case (Oikawa Tetsuji)
Maintenance information: 2026.8.4 operation confirmed
Main specifications: 510W+510W (8Ω) W483 x H133 x D406 mm (without case) 21.3 kg (without case)
*Currently sold. A handy CD receiver from BOSE. It's an amplifier with a built-in CD and tuner, so you can enjoy the CD/radio by connecting to a speaker. This model is equipped with a dedicated equalizer for BOSE's best-selling 101 series. The exterior is dull and has small scratches. Serial 8070082 (Yonejima Satoshi)
Maintenance information: 2026.8.5 operation has been confirmed (the current situation is that the tray rattles slightly when opening and closing)
Accessories: remote control, power cord
Main specifications: rated output 40W+40W W286 x H132.5 x D370 mm 7.1 kg
The price has been reduced. 2026/7/19 sales price 64,800 yen Roon Ready compatible network transport. It is also compatible with Spotify Connect, TIDAL, and Qobuz streaming services. Sound sources on the NAS can also be accessed. Information received on the network can be output via USB, COX, AES, and I2S. Please purchase a separate DAC to produce sound. Serial Y2225000037 (Tamura Eiji)
Maintenance information: 2026.7.19 sound output confirmed
Accessories: instruction manual, power cord, connection cable, original box
Main specifications: digital output AES/EBU, I2S, Coaxial (PCM 384kHz, DSD128) USB (PCM 768kHz, DSD256) USB 3.0 x 1 USB 2.0 x 2 (for external storage connection) RJ-45 (1000Base-T) W155 x H50.4 x D110 mm weight 1.63 kg
The price has been reduced. 2026/7/25 The selling price is 39,800 yen headphone amplifier. Gain can also be adjusted on the back. It's a relaxed sound with corners removed. The legs have been changed to spike specifications. Serial 03001524 (Tamura Eiji)
Maintenance information: 2026.7.25 Operation confirmed
Accessories: spike holder, spare vacuum tube
Main specifications: W230 x H190 x D190 mm weight 2.6 kg
Clean power supply from F Clef (Back Crafts Co., Ltd.). The slim design fits neatly into your system. It is a wooden insulator specification typical of Buck Kogeisha. Perfect for CD players, preamps, etc. There are small scratches and scuff marks. (FUJISAWA KOSHI)
Maintenance information: 2026.8.3 continuity confirmed
Accessories: No accessories
Main specifications: output 100VA W433 ✕ H70 ✕ D290 mm 2 kg
Clean power supply from F Clef (Back Crafts Co., Ltd.). The slim design fits neatly into your system. It is a wooden insulator specification typical of Buck Kogeisha. Perfect for CD players, preamps, etc. (FUJISAWA KOSHI)
Maintenance information: 2026.8.3 continuity confirmed
Accessories: No accessories
Main specifications: output 100VA W433 ✕ H70 ✕ D290 mm 2 kg
unopened! Currently sold. Luxman tube harmonizer kit. A supple, warm, and reliable vacuum tube sound. This model was sold as an appendix to Ontomo. It is used by connecting it halfway between the CD and the amplifier. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Accessories: original box
Main specifications: used vacuum tube 12AU7 (ECC82) chassis size: W180 x H80 x D90 mm
Currently sold. Luxman tube harmonizer kit. A supple, warm, and reliable vacuum tube sound. This model was sold as an appendix to Ontomo. It is used by connecting it halfway between the CD and the amplifier. In addition to peeling paint on the exterior and top plate, you can also see a feeling of use such as dullness, scuffs, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.8.1 operation confirmed
Accessories: original box
Main specifications: used vacuum tube 12AU7 (ECC82) chassis size: W180 x H80 x D90 mm
*Currently sold. Vacuum tube graphic equalizer in the ONTOMO MOOK appendix. 5 bands (55, 220, 880, 3.5 k, 14 kHz) can be adjusted by ±8 dB. Comes with an ON/OFF switch for the GEQ function, making it easy to play. (TAMURA Eiji)
Maintenance information: 2026.8.1 operation confirmed
Accessories: booklet, AC adapter
Main Specifications: Input Impedance: 500 kΩ Output Impedance: 330 Ω Frequency Characteristics: 20 to 100 kHz S/N Ratio: 100 dB Crosstalk: 80 dB or less W183 x H120 x D88 mm 0.9 kg (case not included)
The price has been drastically reduced. 2026/5/29 sales price 20,000 yen Current sale item. BOSE speaker woofer set AM-5/3 includes receiver RA-18 and universal player DVA-18. Of course, it comes with a radio, CD, and DVD, as well as PHONO and AUX terminals, making it possible to expand the system. There is dullness and small scratches overall, and there are noticeable scratches on the top plate of the receiver and the back of the subwoofer (Oikawa Tetsuji)
Maintenance information: 2026.5.20 Simple operation confirmed (video system has not been checked)
Accessories: none
Main specifications: RA-18 dimensions W300xD250xH82mm weight 2.5 kg DVA-18 dimensions W245xD270xH81 mm weight 2.1 kg AM-5Ⅲ impedance 6 ohms dimensions W78xD104xH157 mm weight 1.1 kg W485 x H358 x D192 mm 9.1 kg
Unspecified cabinet. If you've been looking for this size, take this opportunity. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Accessories: none
Main specifications: opening W373 x H126 mm (actual measurement) outer dimensions W435 x H170 x D345 mm 3.6 kg (actual measurement)
The price has been reduced. 2021/12/19 sales price 1,000 yen. ※There was a sound, but details such as characteristics have not been checked. Dynamic microphone made in China with standard specifications. How about an easy way to use it for a wide range of purposes other than vocals? Total body length 165 cm, 210 g (Murakoshi Yoichi)
Maintenance information: 2021.11.28 sound output confirmed
Accessories: none
KIKUTANI guitar stand Comes with a fall prevention strap. There are some abrasions (Yoichi Murakoshi)
Accessories: none
Main specifications: W510 × H760 (maximum) × D330mm
KIKUTANI guitar stand Comes with a fall prevention strap. There are some abrasions (Yoichi Murakoshi)
Accessories: none
Main specifications: W510 × H760 (maximum) × D330mm