A voicing equalizer with an automatic sound field correction function built into a graphic equalizer equipped with a high-speed DSP. We have prepared a simple course where automatic measurement and correction can be performed with simple operation using a stylus, and a custom course where sound field correction can be pursued for the desired sound. In addition to coaxial digital/optical digital, the digital out is also equipped with the company's own HS-LINK. It is designed so that a maximum source input of 192 kHz/24 bits can be performed. The appearance is fine, with no noticeable scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.12.7 sound output confirmed
Accessories: remote control, instruction manual, microphone, microphone cable, microphone holder, power cord (external product)
Main specifications: digital input (HS-LINK x 1 COAXIAL x 1) digital output (HS-LINK x 1 COAXIAL x 1 OPTICAL x 1) analog input (RCA x 1 XLR x 1) analog output (RCA x 1 XLR x 1) USB terminal USB 2.0/3.0 (up to 128 GB) * for flash memory connection W465 x H161 x D396 mm 14.3 kg
Since the microphone is missing, there is no back lid, and the display has cracks and color stains, they are sold at a low price. Digital voicing equalizer. You can measure the sound field characteristics of speakers at home with a microphone and equalize them based on those characteristics to make up for unbalanced characteristics due to individual room environments. All of the mechra plates on the back are missing (Sasaki Shota)
Maintenance information: 2025.12.7 storefront operation confirmed (each input/output sound test, remote control test, voicing function unchecked due to lack of microphone)
Accessories: remote control, manual
Main specifications: digital voicing equalizer, digital system, 1/6 octave, 64 band type, center frequency 64/32 points, 2 digital input/output systems each (coaxial, optical), W475 x H150 x D393 mm, 13 kg
Master clock generator. In addition to outputting the clock signal generated by the main unit, the input clock signal can be converted to an arbitrary clock frequency and distributed to a maximum of 9 systems. It supports word clock output from 32.0 kHz to 12.288 MHz, and clock synchronization to various external devices such as Super Clock compatible devices is possible. The exterior is dull. Serial 118851 (Yonejima Satoshi)
Maintenance information: 2025.12.2 operation confirmed
Accessories: instruction manual, power cord
Main specifications: word clock (Super Clock compatible) 32.0 kHz to 12.288 MHz AES/EBU11, S/PDIF (32.0 kHz to 192.0 kHz) W196 x H44 x D156 mm 1.3 kg
DD converter for PC with USB connection. Although it is inexpensive, it is compatible with a clock frequency of 22.5792/24.576 MHz, and how about for those who use PCs and high-end audio equipment or to step up the current state of PC audio. Serial HG-2230 (Fujisawa Yukishi)
Maintenance information: 2025.12.1 operation confirmed
Accessories: instruction manual, AC adapter, driver CD
Main specifications: sampling frequency 44.1, 48, 88.2, 96, 176.4, 192 kHz 16 to 32 bits input USB x 1 (USB 2.0) external clock (input voltage 3.3 V, compatible with 22.5792/24.576 MHz) output (simultaneous output) S/PDIF RCA x 1, BNC x 1 TOSLINK (square) ST link (AT&T) I2S (RJ-45) AES/EBU (XLR terminal W105 × H46 x D142 mm (including terminals) weight 380 g
The price has been reduced. 2025/11/17 sales price 60,000 yen A switching hub optimized for network audio. It is a model equipped with a low-noise dedicated power supply, a high-accuracy TCXO clock, etc., and the sound quality is clear. There are line scratches and dullness on the top plate (Kanai Hidetsugu)
Maintenance information: 2025.11.16 Operation confirmed
Accessories: power cable
Main specifications: 10/100/1000 Mbps auto-MDI/MDIX port x 5 W230 x H55 x D180 mm 1.6 kg
This unit can convert your stereo into super stereo. You can experience musical emotion that cannot be enjoyed in normal stereo, and surprisingly realistic and lively music that cannot be played on other systems. All necessary operations can be performed on the front panel, making it easy to optimally tune according to the type of music and preferences. The exterior has a feeling of use such as dullness and small scratches. Serial 100206 (Tamai Jun)
Maintenance information: 2025.11.27 Operation confirmed
Accessories: instruction manual copy power cable
Main specifications: W430 x H70 x D282 6.3 kg
A compact yet high quality receiver. With a configuration of SACD/CD player+FM/AM radio+PHONO terminal (with MM/MC compatible phono equalizer), you can easily build a compact, and good-sounding system. The exterior is dull and has small scratches. Serial 8071500804 (Yonejima Satoshi)
Maintenance information: 2023.3.6 manufacturer maintained (belt, traverse mechanism complete, display tube replacement. (Check operation)
Accessories: remote control, power cable
Main specifications: rated output 37.5W+37.5W compatible speaker impedance 4Ω to 16Ω frequency characteristics 10Hz to 40kHz W300 x H110 x D341m
※The display has deteriorated and is difficult to see, so it is inexpensive. It's almost invisible from above. This is a 2nd generation digital voicing equalizer. Compared to the previous DG-28, it is overwhelmingly easy to use and convenience has been improved. Surprising with touch operation on the LCD surface, you can control sound quality surprisingly smoothly with touch operation on the LCD surface. 20 patterns of My Data can be saved. There is an abrasion on the top plate (Oikawa Tetsuji)
Maintenance information: 2025.11.25 Operation confirmed
Accessories: remote control, manual, power cable, microphone, microphone cable, connection cable
Main specifications: [Voicing] 1/6 octave 68 band IIR filter system adjustment range + · -12 dB [equalizer] 1/6 octave 74 band IIR filter+FIR filter/hybrid system adjustment range ± 12 dB [digital input/output] HS-Link/coaxial digital/optical digital 1 system each dimensions W465 x H151 x D396 mm weight 13.8 kg
Comes with original box! Comes with 2 bottles of various cleaning solutions, so there is plenty left. Even microscopic dirt is removed, and the vacuum method is used for strong suction. Furthermore, it is the latest record cleaner that also has a static elimination function and revives sound. There are no noticeable scratches on the main body. Serial 16100626 (Fujisawa Yukishi)
Maintenance information: 2025.11.24 Operation confirmed
Accessories: original box, 2 bottles of cleaning solution each, cleanup cloth, cleaning brush, suction arm, tube fastener
Main specifications: power consumption 690W W420 x H250 x D370 mm 11.2 kg
Disposal price has been reduced (member price not applicable) 2025/5/4 sales price 3,000 yen Small ultra-low noise 6 channel 2 bus mixer, channels 1 and 2 are mono, and you can select balanced microphone or line input. The exterior has a feeling of use such as dullness. Serial 0102 (Tomoho Asaine)
Maintenance information: 2025.11.1 sound output confirmed
Accessories: AC power cord
Main specifications: size 185 x 50 x 212 mm, weight 1.3 kg (actual measurement)
A 2-channel mixer with input features including 2 lines, 2 phono, and 1 microphone in addition to 2 bands of rotary EQ and gain. The exterior has a feeling of use such as dullness. Serial N20503154105160 (Asaine Tomo)
Maintenance information: 2025.11.21 sound output confirmed
Accessories: AC adapter
Main specifications: size 197mm x 267.5 mm x 100 mm weight 2.4 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/11/14 sales price 238,000 yen SSD 1TB type. A digital audio solution that provides everything from sound source capture to playback in one stop. Built in Diretta Host It is equipped with an audio-quality media server function, USB-DAC support (network transport function), CD ripping function, and CD transport function. Various digital sound sources, from CD ripping to high-resolution sound sources, can be played back with high definition (Hiura Katsuji)
Maintenance information: 2025.11.12 sound output confirmed
Accessories: instruction manual, power cable, original box
Main specifications: USB-DAC output format PCM format (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) DSD format (DoP) (2.8 MHz, 5.6 MHz, 11.2 MHz) LAN interface 1000BASE-T, 100BASE-TX, 10BASE-T USB port USB 2.0 x 1 Network UPnP AV, DLNA1.5 external dimensions W350 x H64 x D350 mm, mass approx. 6 kg
3rd generation voicing equalizer. Sound field correction/sound field creation is possible freely in the listening room by simply operating the touch panel screen with a single pen. How about a companion to your pursuit of a music space of your choice? You can see the exterior, light dullness, and feeling of use. Serial G1Y719 (Kobayashi Hitoshi)
Maintenance information: 2025.11.19 sound output confirmed
Accessories: microphone, microphone holder, microphone cable, remote control, instruction manual, power cord, original DG-58 box
Main specifications: 35 band real-time playback frequency characteristics 0.5 to 50,000 Hz (sampling frequency 2.8224 MHz or 192 kHz) 4.0 to 20,000 Hz digital input/output: HS-Link, coaxial digital, 1 optical digital system each dimensions W465 x H151 x D396 mm weight 13.8 kg
Sony's 1TB HDD internal audio player. You can enjoy not only high-resolution sound sources such as DSD 5.6 MHz and 192 kHz/24 bits, but also compressed sound sources with high sound quality. If you install the software on your PC or smartphone, you can transfer and operate music data to the HDD. Serial 2206435 (Murakoshi Yoichi)
Maintenance information: 2025.11.19 sound output confirmed
Accessories: remote control, power cord, instruction manual (copy)
Main specifications: built-in HDD (1TB) playback compatible codec DSDIFF [DSD] /2.8 MHz/5.6 MHz) DSDIFF [DST] DSF/2.8 MHz/5.6 MHz) WAV/maximum 192 Hz/32 bit) AIFF/192 Hz/24 bit) FLAC/192 Hz/24 bit) ALAC/192 Hz/24 bit) ALAC/192 Hz/24 bit) WMA · MP3 · AAC · ATRAC (Non DRM) playback frequency characteristics 2Hz-80kHz audio output (XLR/RCA) EXT terminal (USB type A) W430 x H130 x D390 mm 14.5 kg
Currently sold. It is a clock signal 3 splitter that can be used in single DAC systems and systems that supply multiple 10MHz clocks to hubs, etc. Also, the impedance of 50 ohms or 75 ohms can be set for each output system. If you were looking for one, please take this opportunity (Kobayashi Hitoshi)
Maintenance information: unchecked
Accessories: AC adapter, original box
Main specifications: 3 signal splitter for ultra-low phase noise OCXO, input range 10 MHz sine wave 0.5 Vp-p to 3.0 Vp-p input impedance 50 ohms input/output gain 0dB (1:1) output 10 MHz x 3 system output impedance 50 ohms/75 ohms (each system is individually switched) output GND potential isolated between each CH external DC power supply: DC 13.5 to 16 V 0.2 A external DC plug standard: 2.1 mm/5.5 mm W110×H40×D150mm 0.3 kg
*Currently sold. 12-channel compact mixer. It is an easy-to-use mixer equipped with a 3-band EQ with variable MID, PRE/POST switchable, and an AUX send, etc. If you've been looking for one, go ahead. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2025.11.16 sound output confirmed
Accessories: instruction manual, power cord, original box
Main specifications: mono channel x 8 stereo channel x 2 EQ: mono ch3 band (semi-parametric) stereo ch2 band AUX x 2 (pre/post switchable) W328 x H95 x D370 mm weight 3.9 kg
The price has been reduced! 2025/11/14 sales price 29,800 yen DSD compatible network player and wireless streaming preamp. It is an item where you can comfortably enjoy various music contents with high sound quality, such as network sound sources, analog sound sources, etc., starting with high-resolution sound sources. Serial Y518750VX (Fujisawa Yukishi)
Maintenance information: 2025.11.14 Operation confirmed
Accessories: copy of instruction manual, power cord, antenna, remote control
Main specifications: input terminal/LAN x 1, optical digital x 1, analog RCA x 1 output terminal/optical digital x 1, coaxial digital x 1, analog RCA x 1, subwoofer x 1, compatible sampling frequency/192 kHz (WAV/FLAC/AIFF), 96 kHz (ALAC), 48 kHz (MP3/WMA/MPEG-4 AAC), 5.6 MHz/1 bit (DSD) W214 x H52 x D246mm 1.44kg
*Currently sold. This is only the receiver part of the model that was sold as an all-in-one component as a set with the speaker at the time. You can enjoy various functions such as CD, MD, tuner, etc. (Oikawa Tetsuji)
Maintenance information: 2025.11.16 Operation confirmed (CD playback/MD recording can be restarted. (Remote control operation OK)
Accessories: remote control, original box
Main specifications: W215×H142×D349mm 5.1 kg
The price has been drastically reduced! 2025/11/13 sales price 118,000 yen beautiful item with original box. A digital breakout box that separates the HDMI output from a signal input from a source device such as a Blu-ray player with high quality, and outputs it as an axial/optical output coaxial with the HDMI output. Turn your universal player into a 192 kHz/24 bit, DSD64 compatible high definition transport (Oikawa Tetsuji)
Maintenance information: 2025.11.13 Operation confirmed (44.1 to 192 kHz with Roon HDMI connection, COX transmission up to DSD64 (DOP), sound output OK with D/A converter connection)
Accessories: power cable, original box
Main specifications: Connection terminals: HDMI input 1 system, HDMI output 1 system, digital audio output 2 systems (coaxial, optical) coaxial/optical audio format/PCM 2.0, DSD HDMI audio format/PCM 2.0/2.1/5.1/6.1/7.1 16/20/24-bit, DSD W218 x H45 x D120 mm 1.0 kg
The price has been reduced! 2025/11/13 sales price 108,000 yen with original box! High accuracy master clock generator. Equipped with a large toroidal core power transformer, the outline of the sound of your system is defined even more firmly with a stable, high-precision clock at all times. With TEAC's unique A4 size design, you don't have to worry about the location. The combination with the company's UD-503 and NT-503 is also a good design. * It becomes almost stable in about 2 minutes after turning on the power, but it takes about 10 minutes for it to completely stabilize. In terms of sound quality, it is recommended to wait at least 10 minutes before use. There is a feeling of use on the exterior, such as dullness and small scratches. Serial 2160086 (Asaine Tomoho)
Maintenance information: 2025.11.13 Operation confirmed
Accessories: instruction manual, power cable, original box
Main specifications: 4 crystal oscillating BNC output systems, output frequency 10 MHz, output impedance 50 Ω, output level 0.5 Vrms (sine wave) W290 x H54.5 x D248.7 mm (including protrusions) 3.6 kg
The price has been reduced. 2025/11/13 sales price 148,000 yen with original box, black model. A popular item that allows you to re-clock the USB input with an external clock. A master clock generator that improves the sound quality of digital devices. PCM is 192 kHz/32 bit, and DSD can input up to 256. Equipped with a wide range of inputs and outputs, it can also be used as a high quality format converter. The exterior is in good condition with no noticeable scratches (Oikawa Tetsuji)
Maintenance information: 2025.11.11 operation confirmed (operation confirmed from 44.1 to 192 kHz with USB input and re-clock)
Accessories: instruction manual, power cable, connection cable, original box
Main specifications: Master clock generator input USB TypeB BNC x 1 word clock output BNC x 4 audio input AES3/11 (XLR) x 1, S/PDIF & AES3ID input (BNC) x 1, OPT input (toslink) x 1 W196 x D156 mm 1.4 kg
A voicing equalizer with an automatic sound field correction function built into a graphic equalizer equipped with a high-speed DSP. We have prepared a simple course where automatic measurement and correction can be performed with simple operation using a stylus, and a custom course where sound field correction can be pursued for the desired sound. In addition to coaxial digital/optical digital, the digital out is also equipped with the company's own HS-LINK. It is a specification that allows source input of up to 192 kHz/24 bits (Murakoshi Yoichi)
Maintenance information: 2025.11.10 sound output confirmed
Accessories: remote control, instruction manual, power cord, microphone, microphone cable, microphone holder
Main specifications: digital input (HS-LINK x 1 COAXIAL x 1) digital output (HS-LINK x 1 COAXIAL x 1 OPTICAL x 1) analog input (RCA x 1 XLR x 1) analog output (RCA x 1 XLR x 1) USB terminal USB 2.0/3.0 (up to 128 GB) * for flash memory connection W465 x H161 x D396 mm 14.3 kg
A 10 MHz master clock generator that supplies much higher quality clocks than the built-in clocks of digital audio devices. In order to bring out the performance of a high-performance oscillator to the extreme, it is equipped with an analog power supply with a large discrete configuration with plenty of room, and is designed to reduce noise to the maximum. There is a scratch on the top plate (Murakoshi Yoichi)
Maintenance information: 2025.11.10 sound output confirmed
Accessories: power cord
Main specifications: output 10 MHz sine wave output impedance 50 Ω output terminal BNC terminal 1 system output level 7 dBm W231 x H75 x D266 mm 3.4 kg
The price has been reduced. 2025/11/2 sales price 19,800 yen genuine Heinz & Co. Pure Class A tube line buffer amplifier. By simply connecting a CD player or the like between amplifiers, you can get the soft and warm sound unique to vacuum tubes. The exterior is dull overall (Mizusaki Ryo)
Maintenance information: 2025.11.2 operation confirmed
Accessories: power adapter
Main specifications: W110 x H110 x D220 mm 1.26 kg
MC step-up transformer. It features a body structure that thoroughly eliminates magnetic noise. The sound is fresh and smooth. The range is also wide, and the sound quality is relaxed and elegant. The exterior is dull and has small scratches (Wang Zhan)
Maintenance information: 2025.11.8 operation confirmed (sound check OK)
Accessories: none
Main specifications: Compatible cartridge impedance 1.5 to 40 ohms load impedance 47 kΩ boost ratio 26 dB W133 x H85 x 129 mm 1 kg
Loudness Controllers You can adjust the tone with 125 Hz, 3 kHz, 10 kHz, and 3-point crosspoint. The sound quality can be easily corrected, and it is a very convenient product. There are threads and small scratches on the exterior (Wang Zhan)
Maintenance information: 2025.11.9 operation confirmed
Accessories: none
Main specifications: 1 input system, 1 output system
A must-see network transport for those who have an old DCS D/A converter such as Elgar Plus or 954/2. It is a popular ROON READY compatible product. It makes me listen even more vividly than connecting to a conventional CD transport. Sound sources on a NAS connected to a network can be played back. AIR-PLAY is also compatible, and sound can also be played back from iPhones, iPads, Macs, iTunes, etc. Equipped with a USB terminal on the back, you can also play back sound sources stored on memory sticks and hard disks. *There is no analog output, so a D/A converter is required (Shota Sasaki)
Maintenance information: 2025.11.11 Operation confirmed
Accessories: original box, manual, power cable, connection cable
Main specifications: output dual-AES, SPDIF2 (BNC), COX (coaxial digital SPDIF) W360 x D245 x H67 mm 4.6 kg
The price has been reduced! 2025/11/9 sales price 328,000 yen It is doing well with actual measurements of about 5 minutes until the rubidium oscillator lock. The long test was good. *Since manufacturer repairs are expensive, there is a 6-month warranty. This is an upgraded product from G-0s. ESOTERIC MASTER CLOCK GENERATOR. Uses an American-made rubidium high-precision oscillator. By supplying a universal clock to compatible devices, it is possible to centrally manage not only audio but also video with an ultra-high accuracy oscillator. There are dirt marks on the exterior. Serial 140006 (Fujisawa Yukishi)
Maintenance information: 2025.11.8 operation confirmed
Accessories: instruction manual, power cord
Main specifications: oscillator output: 44.1kHz/88.2kHz/176.4kHz (44.1kHz series), 48kHz/96kHz (48kHz series) UNIVERSAL CLOCK series: 100kHz/96kHz PAL FILM series: 46.08kHz/96.16kHz/184.32kHz W442×H153×D351 mm 18kg
*Currently sold due to lack of microphone. Marantz's graphic equalizer can be adjusted in an easy-to-understand manner, and is attractive for its ease of use. There is rubbing and dullness etc. throughout (Oikawa Tetsuji)
Maintenance information: 2025.11.9 operation confirmed
Accessories: none
Main specifications: left and right independent 10-band graphic equalizer rated output 1V S/N ratio 110dB W420 x H81 x D207 mm 2.8 kg
A high-spec model equipped with 4B memory 4Gbyte, commonly known by the nickname Raspi. Equipped with a quad-core CPU, it works stress-free. *MicroSD is not included (Ryo Mizusaki)
Maintenance information: 2025.11.6 operation confirmed (confirmed that the memory is 4GB with the Pi OS SSH connection. 1 Gbps operation is OK with WiFi. (Confirm that Volumio generally works)
Accessories: none