DENON's classic MC cartridge. The balance of localization and sound is excellent, and all music genres can be played without difficulty. It is a cartridge that can be recommended to a variety of people, from analog beginners to experts ※The needle cover is out of stock (Oikawa Tetsuji)
Maintenance information: 2025.11.9 operation confirmed
Main specifications: MC type output voltage 0.3 mV playback frequency 20 Hz to 45 kHz electrical impedance 40 ohms needle tip 16.5 microns round needle pressure 2.2 to 2.8 g dead weight 8.5 g
Driver unit developed for STAX SR-202 and SR-003. Equipped with volume control, it is also possible to connect directly from a CD player (Ryo Mizusaki)
Main specifications: frequency characteristics DC to 35 kHz (40 Vr.m.s. output when using SR-202) gain 54 dB input impedance 50 kΩ (500 times) size W132 x H38 x D132 mm weight 540 g
The disposal price has been reduced! Member prices are not applicable. 2025/2/22 sales price 1,500 yen speaker cable 1.1 m pair end is an untreated Belden professional cable. The flat balance is characteristic. There is writing on the sheath (Tamura Eiji)
Maintenance information: 2025.2.22 continuity confirmed
Accessories: none
*Currently sold. It is equipped with a bus unit using a paper cone mixed with several types of fibers, and a soft dome tweeter using neodymium magnets that achieve uniform high-frequency radiation characteristics. The sound is well-balanced and smooth. The exterior is in good condition with no conspicuous scratches etc. (Kanai Hidetsugu)
Maintenance information: 2025.12.2 operation confirmed
Accessories: saran net, jumper plates, spikes. Get the spike
Main specifications: 165 mm woofer, 25 mm tweeter efficiency 89dB input impedance 8Ω crossover frequency 2.7 kHz W204 x H840 x D275 mm 10.7 kg
The price has been reduced. 2025/11/12 sales price 29,800 yen ※Due to its low cost, it is currently sold. This is not a genuine remote control. It can be used, but there are some functions that cannot be used, such as DIMMER. Mid-level model compatible with SACD. Equipped with a uniquely developed SACD/CD drive mechanism. The stable low range allows you to relax and enjoy both SACD/CDs. Recommended for those who want to enjoy SACD casually. There is a scratch on the front. It's sticky and dull (Daiki Goto)
Maintenance information: 2025.11.12 operation confirmed (CD/SACD is currently loading stably)
Accessories: remote control, power cable
Main specifications: output terminal RCA · OPTICAL · COAXIAL · multi-channel SACD/frequency range 2 Hz to 100 kHz SNR 113 dB dynamic range 107 dB CD/ frequency range 2 Hz to 20 kHz SNR 118 dB dynamic range 100 dB dimensions W434 x H135 x D330 mm weight 7.4 kg
*Currently sold. A compact, magnetic-resistant speaker system. Compared to the BOSE 101, the crispy high frequency is impressive. This pair is equipped with a 10cm anti-magnetic magnet and is easy to use for TV monitors, etc. There is overall dullness and small scratches (Oikawa Tetsuji)
Maintenance information: 2025.11.27 Operation confirmed
Accessories: none
Main specifications: 1 way, 1 speaker, bass reflex system, anti-magnetic type, 10 cm cone type, 6 ohms, 50 Hz to 20 kHz, 90 dB
W230×H150×D153 mm 2.9 kg
55 capacitors, 28 transistors, various switches, volume disassembly, cleaning, etc. have been maintained! A flagship model from the 70s. Only this model has a very aggressive sound, and the sound comes out hot and forward. This is one car that makes jazz and rock sound crisp, thick, and exhilarating. Not only is the sound completely different from modern amplifiers, but the retro face is also attractive. The exterior has stains on the top plate and dullness on the metal part (Ryo Mizusaki)
Maintenance information: 2025.12.3 maintained (55 capacitors, 28 transistors, 4 semi-fixed resistors, resistors, relays, 12 total SP terminals, 32 total RCA terminals, 9 bulbs, 9 fuses, heat dissipation sheet, main VR replacement. Each SW and VR internal decomposition cleaning, board re-soldering flux cleaning, offset, and idle current adjustments were made. The input/output waveform was checked, left and right balance checked, load tests, and comprehensive operation tests were performed to confirm normal operation. Load test (1kHz, sine wave, 80W+80W at 8Ω load, OK)
Accessories: copy of instruction manual
Main specifications: 80W+80W (8Ω) frequency characteristics 5Hz to 100kHz tone control/bass, midrange, treble 3-stage adjustment W462 x H155 x D316 mm 17.5 kg
※The sound is OK, but the clearance is quite low, and it is close to the cantilever, and the film is torn, so it is inexpensive. Valuable Mono series A type. Compared to the G shell, the bandwidth balance is flat, and you can enjoy excellent analog sound. If you want to listen clearly to hard bop on the mono edition, this is the model (Daiki Goto)
Maintenance information: 2025.12.3 operation confirmed
Accessories: original box, needle cover
Main specifications: output voltage 3 mV needle pressure 3.5 to 5 g (optimal 4 g) playback frequency band 20-20,000 Hz load resistance 47 kΩ internal impedance 100 Ω needle tip 2.5 μm cone dead weight 30 g
ADC cartridges. Please enjoy the clear American sound. The tip of the needle is slightly dull. There are adhesive marks (Daiki Goto)
Maintenance information: 2025.12.3 operation confirmed
Accessories: none
Main specifications: straight aluminum cantilever dead weight 5g
Currently sold. If you are looking for a GOLDEN VOICE 10cm full range unit, please take this opportunity. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2025.11.25 Operation confirmed
Accessories: none
Main specifications: 10cm full range unit W105 x D50 mm 0.17 kg (actual measurement)
Currently sold. The sound connection to ONKYO's full-range unit is natural, and the localization is good. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2025.11.16 Operation confirmed
Accessories: none
Main specifications: 16 cm full range unit, 8 ohms, W160 x D70 mm, 0.29 kg (actual measurement)
Currently sold. If you're looking for a COLUMBIA woofer, take this opportunity. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.11.16 Operation confirmed
Accessories: none
Main specifications: 20cm woofer 8Ω W205 x D98 mm 1.1 kg (actual measurement)
※There is no remote control, and since it is cheap, it is currently sold. Stylish and compact CD player. It has excellent domestic design and well-organized sound quality, making it ideal for subsystems and introductory use. The exterior has a feeling of use such as dullness and small scratches. Serial 1640915177 (Jun Tamai)
Maintenance information: 2025.11.23 sound output confirmed
Accessories: none
Main specifications: audio output terminal digital x 2 (optical), analog x 1 dimensions W275 x H103 x D304 mm weight 4.5 kg
* Originally, it is a bi-wiring cable, but it is easy to handle by cutting it in half at the separator part and dividing it into 2 parts. Speaker cable 10m set (10.5 to 10.2 m is uneven according to actual measurements) with Y lug terminals (some banana terminals) are separated and stored in a sheath that realizes damping and band separation. The delicate, rin-like flavor is attractive. There are abrasions on the sheath (Kojima Yosuke)
Accessories: specifications
Manufacturer maintenance completed, including pickup replacement! Denon design series CD player. It is equipped with an inexpensive yet highly accurate D/A converter that is compatible with MP3 and WMA files. Since it can also be used vertically, it is attractive that it is easy to adjust where it is placed. You can see the exterior, small scratches, and feeling of use (Murakoshi Yoichi)
Maintenance information: 2025.9.10 Maintenance completed (CD mechanism replacement. (Inspection of each part, operation test)
Accessories: remote control, power cord
Main specifications: analog output x 1 coaxial digital output x 1 size W200 x H86 x D 240 mm weight 2.4 kg
The shell uses the specially processed aluminum material “Technihard,” which was born from NASA technology. It is characterized by its hardness and high rigidity, and its high speed and tight sound are attractive. The exterior is dull (Jun Tamai)
Maintenance information: 2025.11.30 Continuity confirmed
Accessories: none
Main specifications: Techni Hard Micro Vickers hardness 400 or more, dead weight 18 g
The price has been drastically reduced! 2025/11/23 Sales price 128,000 yen Manufacturer maintained! This is the second generation of the 25 series, which is popular for its strong chassis structure that incorporates the idea of no vibration and no resonance, equipped with a VRDS mechanism. In particular, the distortion shaper DZ2, which averages D/A conversion errors with dither, is operated in double differential mode to obtain even greater sound quietness and a higher amount of information. The exterior has an overall feeling of use such as dullness. Serial 0180056 (Tomoho Asaine)
Maintenance information: 2025.11.23 Maintained (replacement of deteriorated driving parts. CD playback has been confirmed. (Other driving parts disassembly adjustment, operation test for each part)
Accessories: remote control instruction manual power cable insulator
Main specifications: VRDS mecha 1/16 shift 20 bit 4 DAC W442 x H145 x D344 mm 16.5 kg
An audiocraft headshell that uses a perfect lock pin in addition to its sturdy construction with a hard aluminum molding. It has a degree of perfection that even feels beautiful in form, and the connections are solid, bringing out the full performance of the cartridge. You can see the exterior, dullness, and feeling of use (Tomoho Asaine)
Maintenance information: 2025.11.29 Continuity confirmed
Accessories: none
Main specifications: Perfect Lock pin, hard aluminum molding, dead weight 13.7 g
The price has been drastically reduced. 2025/11/30 Sales price 1,980,000 yen Exterior repair and maintenance completed. This is a super advanced speaker developed to commemorate the 70th anniversary of Tannoy's founding. It makes a sound that gives the impression that it strongly pulls the music. The sound reproduced from the heavy main unit that firmly catches the vibrations of the woofer is impressive. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2025.11.28 Maintained (exterior repair/cleaning)
Accessories: saran net, jumper (replacement)
Main specifications: 4-way speaker system 18 inch woofer 12 inch super dual (coaxial 2 way) 1 inch super tweeter input impedance 8 ohms frequency characteristics 16 Hz to 44 kHz crossover frequency 15 kHz/1.1 kHz/100 Hz W780 x H1,400 x D655 mm internal volume 370 liters 170 kg
Comes with a pedestal. Super tweeter using an aluminum alloy thick cylindrical horn and an ultra-lightweight ring diaphragm. It stretches well and expands the high frequency range cleanly. (FUJISAWA KOSHI)
Maintenance information: 2025.12.1 operation confirmed
Accessories: pedestal
Main specifications: Alnico magnet, 8Ω, playback frequency band, 5kHz to 35kHz, output sound pressure level, 106dB, recommended crossover, 7kHz or higher, input 50W, 800g/book
Sun Valley vacuum tube push-pull power amplifier. It is a model that has been refined over 3 generations since the first model. The sound quality is smooth, and the texture unique to vacuum tubes, which are moist and glossy, is attractive. The exterior is dull, and some lettering is missing (Yonejima Satoshi)
Maintenance information: 2025.12.2 operation confirmed
Accessories: instruction manual, power cord
Main specifications: Vacuum tubes used PCL86 (Ei) x 4 tubes 7.0 W+7.0 W (8 ohms, THD 10%) W130 x D230 x H150 mm 5.0 kg
The price has been reduced! 2025/11/26 sales price 34,800 yen DENON's prime main amplifier with excellent cost performance. It is compatible with MM/MC and is suitable for analog introductory machines and second systems. There are stains and bumps on the exterior. Serial 1081552060 (Tamura Eiji)
Maintenance information: 2025.11.26 Operation confirmed
Accessories: remote control, power cable
Main specifications: 70W+70W (8Ω) 140W+140W (4Ω) PHONO/MM/MC switching compatible W434 x H134 x D407 mm 14.6 kg
Otai audio brand high-capacity clean power supply. CSE special order The sense of localization becomes so clear that it makes you think that the sound changes just by inserting the power supply, and a sound field rich in spatial expression comes out. Another advantage is that the grunt is very small. There are scratches and rust spots in places (Oikawa Tetsuji)
Maintenance information: 2025.12.1 continuity confirmed
Accessories: none
Main specifications: clean power supply capacity 3000 VA 100/200 V with input changeover switch (inlet is 3 pins) output voltage 100V output 3 pins x 6 ports W300 x H194 x D357 mm 32 kg
Pioneer PP-303 silver model. It is a headshell made by fully considering acoustic characteristics (Oikawa Tetsuji)
Accessories: none
Main specifications: aluminum stamping dead weight 7.0 g
Orthophone's classic headshell. The finger tips are ergonomically designed and are designed to be easy to operate. It has a light weight and is compatible with various cartridges and tone arms (Tetsuji Oikawa)
Accessories: none
Main specifications: aluminum gold-plated terminals, dead weight 9.4 g
Pair tube VT-4C equivalent tube large triode made in America Actual measured IP value: 49/45 mA (the best standard IP value for this amplifier is 50 mA) with white box both tubes have burns inside the tube*Sound is checked with a test amplifier, plate current values have been measured, and it has been determined that operation is good (Kojima Yosuke)
Accessories: white box
Tweeter with small horn similar to SH-18 with YL acoustics. Since there are no plates or model numbers, details are unknown, but band tests of 5000 kHz and up have already been performed. (FUJISAWA KOSHI)
Maintenance information: 2025.12.1 operation confirmed
Accessories: No accessories
Main specifications: Weight 0.8 kg (including the horn part)
Pair tube, VT-4c equivalent tube, large triode tube, made in America, measured IP value: 49/49 mA (the best standard IP value for this amplifier is 50 mA) with white box, both tubes have getter burnt and loss ※Please note that depending on the shape of the socket, the socket may get caught in the protrusion around the pin at 1 place on the bottom and prevent it from coming out ※The sound output was checked with a test amplifier, and the plate current value was measured, and it was determined that the operation is good Yes (Kojima Yosuke)
Accessories: white box
Vertical twin system directly related to the K2 series! It is equipped with 2 small woofers, and makes you feel good instantaneous power and good positioning. It is an authentic speaker that has the ability to handle pure audio and even high-end home theaters. There are no visible scratches on the exterior, etc., and it is good with dullness or stains (Kobayashi Hitoshi)
Maintenance information: 2025.11.30 Operation confirmed
Accessories: saran net, jumper, spike, spike holder
Main specifications: 2 way 3 speakers 6Ω 93dB W411 × H1,093 × D495 mm 51.0 kg
Maintained by Triode! Triode 300B mono tube power amplifier. It is an A class para single using the 300B, which the company excels at, and is also compatible with floor-type speakers. The sound is clear, modern, yet subtly warm. There is also a balanced input, which demonstrates its ability even with modern systems. There is a small scratch on the top plate. Serial 07090337 07090338 (Kanai Hidetsugu)
Maintenance information: 2025.12.2 maintenance completed (12AU7 and coupling capacitors deteriorated on the 337 side. Deterioration was seen in 12AU7, coupling capacitors, and electrolytic capacitors on the 338 side. (Deteriorated parts were replaced, and each part was adjusted, auditioned, and aged.)
Accessories: power cable, original box
Main specifications: used vacuum tube 300B×2 12AX7×1 12AU7A×1 A grade para-single 20W+20W (8Ω) output 6Ω/8Ω/16Ω input RCA1 system balance 1 system (No. 2 HOT) W176 × D440 × H220 mm 15 kg/unit