Major Grand ultra-low range booster for 38cm to 46cm woofers. A maximum boost of 31db is possible. Use it by putting it between the preamp and power amplifier. *Please avoid using it in explosive doses. (Takasaki Atsushi)
Maintenance information: 2025.7.8 operation confirmed
Accessories: none
Main specifications: size W185 x H60 x D150 mm weight 515 g
The price has been drastically reduced! 2025/6/21 sales price 89,800 yen with box! The ultimate version of the P-1. Pure A grade specification, which is rare for a headphone amplifier, so you can enjoy detailed and clear sound. As for the exterior, there is a feeling of use such as line damage or dullness on the top plate. Serial M51101408B (Tomonori Asane)
Maintenance information: 2025.6.21 operation confirmed
Accessories: power cable
Main specifications: 2W+2W (8Ω) 1W+1W (16Ω) high sound quality feedback circuit “ODNF3.0A”, 2 headphone outputs, 1 RCA/XLR input each, W440 x H82 x D408 mm 8.3 kg
It is a USB-connected bus-powered D/D converter that uses C-Media's “CM6642” as the digital audio control IC and is compatible with high-resolution sound sources (maximum 24 bit/192 kHz) (Takahashi Nobuyuki)
Maintenance information: 2025.7.4 operation confirmed
Accessories: original instruction manual box
Main specifications: digital input: USB TypeB terminal USB 1.1/2.0 compatible, USBAudioClass 1.0/2.0 compatible digital output: coaxial digital audio output (COAXIAL) optical digital audio input (square) compatible format: PCM maximum 24 bit 192 kHz W40 x H25 x 81 mm 90 g
USB stabilizer with USB noise filter mechanism. By removing line noise, increasing the purity of audio signals, and supplying stable power, the performance of USB devices is maximized (Takahashi Nobuyuki)
Maintenance information: 2025.7.4 operation confirmed
Accessories: original box connection cable sponge foot
Main specifications:W85 x D66 x H27 mm weight 130 g
The price has been reduced. 2025/6/29 sales price 99,800 yen Sony 1TB HDD built-in 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 software on your PC or smartphone, you can transfer and operate music data to an HDD (Oikawa Tetsuji)
Maintenance information: 2025.6.29 Operation confirmed
Accessories: remote control, power cable, connection cable
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
D/D converter for connecting a PC sound source to an existing D/A converter. Convert USB to COX. This is the 3rd generation 192 kHz compatible model. Asynchronous transmission is supported from this model. Serial 1151070241 (Yonejima Satoshi)
Maintenance information: 2025.7.3 operation confirmed
Accessories: instruction manual, CD-ROM
Main specifications: 192 kHz 24 bit compatible D/D converter W55 x H25 x D55 mm weight 71 g
The price has been drastically reduced. 2025/5/18 sales price 60,000 yen measurement shaker. Conduction OK (measured DCR 3.5 ohms) When input with an oscillator, the upper vibrating film rises and falls like a woofer (Oikawa Tetsuji)
Maintenance information: 2025.5.18 continuity confirmed
Accessories: none
Main specifications: impedance 3.5 ohms diameter 75 mm x height 80 mm 1.1 kg (actual measurement)
The disposal price has been reduced. Member prices are not applicable. 2025/4/24 sales price 79,800 yen Maintenance was completed in 2024/2. Genuine Rin Japan LINN network player with built-in amplifier. It is equipped with an Ethernet terminal that completes the system simply by connecting a speaker, and supports WAV, FLAC, AIFF, Apple Lossless, AAC, and MP3 playback via LAN. In addition, it is equipped with 1 optical digital and 1 coaxial digital audio input and 1 RCA analog audio input. It can also be connected to devices other than the built-in player and used as a digital premain amplifier. Genuine Rin Japan *The volume will be adjusted on the computer. There are small wounds and dullness (Oikawa Tetsuji)
Maintenance information: 2025.4.24 operation confirmed
2024.2.7 Maintained (FET replaced due to FET short at the end of audio output. On an Ethernet connection, check the operation in a NAS environment and check the operation of the internet radio. There is poor contact with the power switch, but since parts are not available, the switch can be easily disassembled and repaired)
Accessories: power cable, instruction manual, connection cable, CD-ROM
Main specifications: Compatible audio files: FLAC, ALAC, WAV, AIFF, AAC, MP3 compatible sampling frequency: 7.35k to 192k Compatible bits: 16 bit, 24 bit Input terminals: Ehernet Analog audio: RCA x 1 (impedance; 10 kΩ) Digital audio: RCA (SPDIF) x 1, TOSLINK (Optical) x 1 SP output: L/R x 1 (compatible with banana, bare wire, Y lug terminals) LINE Output: RCA x 1 SN Ratio: 105 dB Frequency Characteristics: 0 Hz - 30 kHz Output: 70W (4Ω) W191 x H80 x D274 mm Weight 2.65 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/2/22 sales price 99,800 yen This is a black model that was upgraded to the DELA N1A/N1Z, which was announced and sold as the industry's first “audio NAS,” and improved commerciality. Equipped with a dedicated USB-DAC connection terminal, the rear design has been renewed. In addition to being equipped with a 60W high-capacity power supply unit, a newly developed high-capacity capacitor bank is mounted on the rear stage of the power supply unit. The sound quality has been improved by mounting a newly selected 3.5-inch quiet drive floating on a silicon bushing. The exterior is good with no noticeable scratches, etc. (Murakoshi Yoichi)
Maintenance information: 2025.2.21 operation confirmed, initialized
Accessories: power cord
Main specifications: storage capacity 2TB (2TBHHD x 1) input/output terminal USB 3.0 x 3 (import/capacity expansion/backup) USB 2.0 x 1 (for USB-DAC connection) RJ45 x 2 (router connection/network player) compatible file format WAV · AIFF · FLAC · ALAC · DSF · DFF sample frequency 44.1/88.2/176.4/352.8/48/96/192/384 kHz (PCM) 2.8/5.6/11.3 MHz (DSD) compatible number of bits 16 to 32 bits (PCM) W436 x H70 x D352 mm weight 7 kg
The disposal price has been reduced. Member prices are not applicable. 2024/12/16 sales price 128,000 yen Internal thorough disassembly, cleaning & replacement of deteriorated parts! UREI's 27-band graphic equalizer. It is only for commercial use, and is useful in clubs, halls, etc., and of course there are many bands, but there is little sound loss, and it works well in the band you really want, so you can create your favorite sound. The exterior is generally dull and has scratches (Oikawa Tetsuji)
Maintenance information: 2024.12.16 Maintained (serial NO4480 has 13 slider pot resistors replaced and slider pot resistor connection defects repaired. Also, the movement of the knob is heavy and astringent even when grease is applied. There are good ones, but please be aware that the knobs are long and structurally poor. (Gain changeover switch and slope switch replacement x 4, serial No. 3391 has good cleaning procedures, XLR wiring correction procedures, sound output tests after gain installation, and changes for each band due to insufficient gain volume)
Accessories: copy of the manual
Main specifications: 27 bands (20 Hz to 20 kHz) mono graphic EQ W482 x H90 x D205 mm 5.3 kg/unit
A casual, compact digital/analog processor with a focus on the quality of music playback. Compatible with 96 kHz/24 bit for both recording and playback. Since it is equipped with a phono equalizer, it can also be connected directly from a record player. Special chips are used for each D/A converter and A/D converter, so high quality sound can be reproduced. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2025.3.1 operation confirmed
Accessories: instruction manual, RCA cable, USB cable, CD-ROM
Main specifications: Frequency characteristics 0.3 Hz to 44 kHz (LINE OUT+0/ -0.5 dB) compatible models PC/AT compatible with USB port standard (Intel USB host controller recommended) compatible OS Windows (R) 2000 Japanese version SP3 or later, XP Japanese version SP1 or later (*not compatible with the 64-bit version) input/output terminals audio LINE IN x 1, LINE OUT x 1, headphone output terminal x 1 (φ3.5 mm/stereo) MIC IN x 1 (φ3.5 mm/mono) PC interface USB port x 1 (type B) W137 x H30 x D102.5 mm 0.2 kg
*Currently sold. microphone amplifier It is possible to pick up and amplify sound with an AV device without a microphone terminal. There are no noticeable scratches on the exterior (Sasaki Shota)
Maintenance Information: 2023.8.11 Operation confirmed
Accessories: original box, power adapter, manual
Main specifications: W70 x H30 x D92 mm 160 g
* Since the built-in battery cannot be used due to deterioration, it is only driven by the included AC adapter. This is a portable headphone amplifier that uses a vacuum tube (subminiature tube) to amplify the signal. Since it has driving power, the Sennheiser HD800, which has an impedance of 300 ohms, also drives well. The clear and powerful sound that overturns the image of a tube amplifier is impressive (Kojima Yosuke)
Accessories: AC adapter
Main specifications: 1 input (3.5 mm stereo mini), 2 headphone outputs (6.3 mm stereo/3.5 mm stereo mini)
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