Speaker cable is a basic type of high-purity OFC cable with unprocessed 1.3 m pair ends that are easy to use, and the conductor is a basic type of high-purity OFC cable made by stringing 196 0.1 mm diameter wires. The clear sound quality expands the range of uses. The exterior is dull and has a feeling of use (Jun Tamai)
Maintenance information: 2024.5.11 continuity confirmed
Accessories: none
Maintained! A classic British Quad stereo power amplifier. Small in size yet full torque. The sound, which is as deep as a tube amp, exudes an appeal that won't fade. The exterior has a feeling of use over time, such as dullness and small scratches. Serial 62226 (Yonejima Satoshi)
Maintenance Information: 2024.3.25 Maintained (INPUT DIN 4P replacement, internal Tr, C, R all checks. DIN4P-RCA female cable created. Operation check, pattern solder processing)
Accessories: power cable, connection cable
Main specifications: 45W+45W W120×H159×D324mm 8.2 kg
It is one of Monster Cable's representative works that uses an unprocessed time correction structure at the 3.0 m and 1.9 m pair end of the speaker cable, and is quite thick with a conductor system of 3 mm. It is a cable with large changes in sound quality that can easily produce a sense of volume of bass (Tomoho Asaine)
Maintenance information: 2024.5.9 continuity confirmed
Accessories: none
1650 series SACD/CD player It is a model with a low, loud sound that makes you feel a sense of depth and scale. There is also a digital input terminal, and it can also be used as a standalone D/A converter compatible with sampling frequencies of 32 to 192 kHz. The exterior is dull (Yonejima Satoshi)
Maintenance information: 2024.5.9 operation confirmed
Accessories: remote control, power cable
Main specifications: Super Audio CD section/1 bit DSD system Playback frequency approx. 2 Hz to 50 kHz SNR 119 dB CD section/playback frequency approx. 2 Hz to 20 kHz W434 x H137 x D336 mm 13.5 kg
The price has been drastically reduced. 2024/2/18 Marantz pre-main amplifier with sales price 89,800 yen. The preamp circuit has been revamped to enhance spatial expression ability and detail reproducibility. Similar to the PM-10 and PM-14S1, a highly accurate electronically controlled volume is used for the volume circuit. It makes it possible to reproduce bass that combines a sense of scale and instantaneous power. Serial AWY15180500756 There are scratches on the top plate on the exterior (Hiura Katsuji)
Maintenance information: 2024.2.18 Operation confirmed
Accessories: remote control power cable
Main specifications: 100W+100W (4Ω), 70W+70W (8Ω) frequency characteristics 5Hz-100kHz
W440×H128×D379mm 12.0kg
Since there are no connectable devices, it has not been checked. D-terminal cable The highest-grade D-terminal cable using a 1.5m silver-coated OFC conductor is ideal for transmitting high image quality images for progressive, high-definition devices, etc. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Accessories: none
Speaker cable is an abnormally thin cable with 3.0 m pair ends for an unprocessed speaker cable. A cable boasting high resolution and a high amount of information. The sound quality changes drastically depending on how you use it, such as separating the main amplifier and speaker, and shortening the speaker cable, etc., so it's fun to drive the sound quality to your liking (Kojima Yosuke)
Accessories: none
Speaker cable is an abnormally thin cable with 3.0 m pair ends for an unprocessed speaker cable. A cable boasting high resolution and a high amount of information. The sound quality changes drastically depending on how you use it, such as separating the main amplifier and speaker, and shortening the speaker cable, etc., so it's fun to drive the sound quality to your liking (Kojima Yosuke)
Accessories: none
The 2.1 m pair end of the speaker cable has an unprocessed twist specification, making it less susceptible to sound quality deterioration due to magnetic effects, and the sound is straight. The exterior is dirty and dull, and you can see the feeling of use such as magic writing (Tamai Jun)
Maintenance information: 2024.4.30 continuity confirmed
Accessories: none
The disposal price has been reduced! (Member discounts are not applicable) 2024/1/18 sales price 49,800 yen Maintained! An American-made amplifier from the 1970s that can hardly be seen today. Circuits for self-preservation, such as security, correction, and protection, have been cut off, and I think that handsome atmosphere is well reflected in the sound. It has the same feeling of use as the model year (Daiki Goto)
Maintenance information: 2024.1.18 Maintained (LED installation (original not available) poor power stage transistor deterioration, defective transistor in the board → replacement. Bias adjustment, operation check.)
Accessories: none
Main specifications: size (actual measurement) W406 x H155 x D327 mm weight (actual measurement) 12.2 kg
The 1.3 m power cable uses a polymer polyolefin material for the untreated terminal sheath. The thickness, which can be called overspec, ensures high speed and large current capacity. You can see the exterior, dullness, threads, etc. and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.4.19 Continuity confirmed (PSE certified product)
Accessories: none
The price has been reduced! 2024/4/19 sales price 79,800 yen ※1 unit only. Maintained! It is originally a professional mono amplifier, but there is only 1 unit. You can feel the strong power of the sound quality even with just one unit. It seems to be useful for mono and center speakers. There are scratches and paint peeling on the exterior. Serial Q001769 (Fujisawa Yukishi)
Maintenance information: 2024.4.19 Maintained (XLR speaker cable created (3 meters)). Electrolytic capacitor replacement. ATT cleaning. Solder correction. Rubber feet added. Bias offset check. Output audio check. Input ① GND ② HOT ③ GND (unbalanced) output ① not used ② is set to plus ③ minus 8 Ω load. (Also, a pop sound is made when the power is on and off, but this is a specification)
Accessories: speaker cable, power cable
Main specifications: 8 ohms W482.6 x H88 x D320 mm weight 13 kg
The disposal price has been reduced (member prices are not applicable). 2023/11/26 Sales price 128,000 yen Maintained in 2022/6! An eye-catching power amplifier with its black and large power meter typical of Sansui. It entertains me with its power, which can be felt from its appearance, and its supple, stretchy sound quality. The exterior has dullness, scratches, rust, etc. over time (Oikawa Tetsuji)
Maintenance information: 2022.6.23 Maintained (both channel volumes replaced. SP relay bad contact replacement. Replace protectors, deteriorated transistors, resistors, and diodes in meter boards. Replace deteriorated transistors and resistors in the power supply board. Replace deteriorated transistors and capacitors in the drive board. OUTPUT selector switch cleaning. (General adjustment)
Accessories: none
Main specifications: left and right independent 2 power supply diamond differential circuit effective output 110W+110W (8Ω) load impedance 4 to 16 ohms W482 x H187 x D450 mm 20.3 kg
The price has been reduced. 2024/4/15 sales price 35,000 yen It is a high-end masterpiece that has been loved by Sennheiser for a long time. As a studio monitor, it demonstrates its power without regret. It expresses delicate sound and clear space, and provides both vocals and performances with high resolution. There is a slight feeling of use on the earpads (Kanai Hidetsugu)
Maintenance information: 2024.4.15 sound output confirmed
Accessories: original box, instruction manual, cable
Main specifications: dynamic open air, 300 ohms, 103 dB, playback frequency band 10 to 39,500 Hz, cable length: 3.0 m, mass: approx. 260 g
The disposal price has been reduced. Member prices are not applicable. 2023/9/13 sales price 2,980,000 yen Maintained with attention to details such as drivers and wiring! The Georgian 4 is attractive for its elaborate horn configuration and beautiful furniture-like design. It is a model with a built-in crispy horn, a structure that creates a unique sound with a rich sense of scale, and the loud sound is truly an American masterpiece, but you can also feel a somewhat English-like sex appeal. *The attenuator has been maintained, but slight chipping occurs when turning due to deterioration of the original winding resistance (Oikawa Tetsuji)
Maintenance information: 2023.9.13 Maintained (828HF disassembly and maintenance: separation from magnetic circuit and diaphragm, magnetic circuit diaphragm maintenance: cleaning of the magnetic circuit, rustproof vibration system, round out, stop noise, T350 disassembly and maintenance: separation from the magnetic circuit and diaphragm, sound pressure difference adjustment: stop noise due to resonance sound generation, elimination of sound pressure drop due to rear sound leakage. Confirm that there are no modifications inside the housing. Remove rust from screws on screw-type terminals, pickle, and polish and clean the receiving side. ATT (x4) contact cleaning. A frequency characteristic measurement check (~ 42 kHz) was performed, and the original capacitor was continuously used because the results were good. (Input/output waveform and balance check, sound output check)
Accessories: none
Main specifications: 4-way 15WK, 828HF, T350, X336 (300/3500) approx. W860 x D660 x H1,350 mm approx. 90 kg
The disposal price has been reduced. Member discounts are not applicable. 2023/6/12 sales price 49,800 yen ※1 mono amplifier only. The display lamp visible through the lattice is a transistor mono power amplifier with an indescribable design. As for the sound quality, it is a powerful sound with a sense of overhang while making you feel thick, and the low frequencies are not sluggish, making you listen to a pleasant sound. The exterior is dull all over, scratches on the top plate, etc., and there is a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.6.13 Maintained (output relay contact correction input volume disassembly contact correction protection circuit transistor replacement input terminal polish)
Accessories: none
Main specifications: effective output 150 W, input level adjustment, SNR 110 dB, dimensions W436 x H95 x D328 mm, weight 11.5 kg/1 unit
The price has been drastically reduced. 2024/3/2 sales price 99,800 yen Maintained! professional monitor amplifier It has strength unique to commercial use, and the driving power in the low range is truly remarkable. However, it also has a strong sense of temperature typical of a quad, so it is an amplifier that I would like people who are shunned when the sound is too straight for commercial use to try it once. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.3.2 maintained (internal dismantling all check, Tr, C, R check, ±B INPUT bypass C replacement, Tr, R, etc., all OK, INPUT photocoupler check, operation check)
Accessories: copy of instruction manual, power cord, dedicated SP cord (cable length 2.5 m)
Main specifications: 100W+100W (8Ω) W483 × H88 × D310 mm 12.5 kg
You can feel the dynamism typical of monsters with the 1.9 m pair end of the speaker cable that is unprocessed and inexpensive. (FUJISAWA KOSHI)
Maintenance information: 2024.4.12 continuity confirmed
Accessories: No accessories
The disposal price has been reduced. Member discounts are not applicable. 2023/129/7 sales price 5,000 yen. 1 piece only. Phase plug for B&W 800 series. It is probably thought to be machined stainless steel, but details are unknown. How about for those looking for a center speaker such as HTM1 (Murakoshi Yoichi)
Accessories: none
Main specifications: 223g/1 piece
The disposal price has been reduced. Member discounts are not applicable. 2024/2/22 sales price 8,000 yen. Self-made cabinet for DENON DP-3000. The arm was attached to the company's DA-305. When the four-square screw is removed, it is divided into 3 plates, making it easy to perform processing such as drilling. There are scratches, fading, stains on the main body, cracks, repairs, fading, stains, and adhesive tape marks on the dust cover (Kanai Hidetsugu)
Accessories: dust cover
Main specifications: W600 x H112 (H202 with dust cover) x D500 mm 12.6 kg (actual measurement, dust cover included)
Speaker cable A standard BELDEN speaker cable nicknamed “sea snake” with an unprocessed 1.1 m pair end. It is a cable with thickness and a sense of extrusion in the mid-range (Murakoshi Yoichi)
Maintenance information: 2024.4.7 continuity confirmed
Accessories: none
The disposal price has been reduced. Member discounts are not applicable. 2024/2/6 sales price 59,800 yen ※1 shelf board is missing and has 3 tiers, and is cheap because there are many scratches. A popular large rack. It is a model that can even adjust the storage capacity and height. It also has high performance as an audio rack, and is made of full-bodied natural wood, with a sturdy structure and interior design. You can see a feeling of use, such as appearance, dullness, small scratches, abrasions, etc. (Kobayashi Hitoshi)
Accessories: none
Main specifications: W1230 x H703 x D563 mm Weight approx. 52 kg
※There is no problem with operation, but it is currently sold because it is cheap. Compact and lightweight phono equalizer. Please use it with a Miji component or a pre-main amplifier without a phono input. Perfect as an introductory machine (Daiki Goto)
Maintenance information: 2024.4.10 operation confirmed
Accessories: power cable, original box
Main specifications: MM dedicated phono equalizer W70 x H30 x D92 mm 160 g
Speaker cable A standard cable that has become synonymous with 1.4 meter pairs of unprocessed speaker cables. It features a stranded wire structure that enables reliable transmission with low noise even in harsh environments such as studios. Monitor-like sound quality with little coloring (Kobayashi Hitoshi)
Maintenance information: 2024.4.7 continuity confirmed
Accessories: none
Speaker cable A standard cable that has become synonymous with 0.95m pair end unprocessed speaker cable. It features a stranded wire structure that enables reliable transmission with low noise even in harsh environments such as studios. Monitor-like sound quality with little coloring (Kobayashi Hitoshi)
Maintenance information: 2024.4.7 continuity confirmed
Accessories: none
Speaker cable A standard cable that has become synonymous with an unprocessed speaker cable with an 0.8 meter pair end. It features a stranded wire structure that enables reliable transmission with low noise even in harsh environments such as studios. Monitor-like sound quality with little coloring (Kobayashi Hitoshi)
Maintenance information: 2024.4.7 continuity confirmed
Accessories: none
Speaker cable A standard cable that has become synonymous with an unprocessed speaker cable with an 0.8 meter pair end. It features a stranded wire structure that enables reliable transmission with low noise even in harsh environments such as studios. Monitor-like sound quality with little coloring (Kobayashi Hitoshi)
Maintenance information: 2024.4.7 continuity confirmed
Accessories: none
Speaker cable is a standard cable that has become synonymous with an unprocessed speaker cable with only one 1.4 meter end. It features a stranded wire structure that enables reliable transmission with low noise even in harsh environments such as studios. Monitor-like sound quality with little coloring (Kobayashi Hitoshi)
Maintenance information: 2024.4.7 continuity confirmed
Accessories: none
A record player equipped with Bluetooth and USB that has sold a total of approximately 1 million units worldwide. You can listen to the sound of records with your wireless speakers or wireless headphones. Since you can move freely within the range of Bluetooth radio waves, you can easily enjoy the sound of records. Furthermore, it is equipped with a USB terminal that can convert record sound sources into digital data. The condition is generally in good condition. *The included shell cartridge is out of stock. Serial 234198228 (Yamato Yuki)
Maintenance information: 2024.4.8 operation confirmed
Accessories: copy of the instruction manual, EP adapter, USB cable, phono cable (general purpose)
Main specifications: Direct drive system 33-1/3, 45 or 78 rotations/minute communication system Bluetooth standard Ver.5.2 compliant USB function 16 bit, 44.1 kHz or 48 kHz USB 1.1 compliant Microsoft Windows 8.1 or higher, MAC OSX or higher W452 x H141.6 x D352 mm 8 kg
Speaker cable A standard cable that has become synonymous with 1.3 m pair of unprocessed speaker cables. It features a stranded wire structure that enables reliable transmission with low noise even in harsh environments such as studios. Monitor-like sound quality with little coloring (Kobayashi Hitoshi)
Maintenance information: 2024.4.7 continuity confirmed
Accessories: none
Speaker cable A standard cable that has become synonymous with 1.3 m pair of unprocessed speaker cables. It features a stranded wire structure that enables reliable transmission with low noise even in harsh environments such as studios. Monitor-like sound quality with little coloring (Kobayashi Hitoshi)
Maintenance information: 2024.4.7 continuity confirmed
Accessories: none
The disposal price has been reduced. Member prices are not applicable. 2023/10/23 sales price 29,800 yen ※Currently sold. Comes with a special case! Portable headphone amplifier with built-in D/A converter. DSD256 (11.2 MHz/1 bit) PCM supports native playback of up to 768 kHz/32 bit. Please enjoy the sound quality unique to a thick mojo in the mid to low range. There is dullness and a feeling of use (Sasaki Shota)
Maintenance information: 2023.10.23 Operation confirmed
Accessories: original box
Main specifications: output level 35 mw/600 ohm, 720mw/8 ohm, output impedance 0.075 Ω, dynamic range, 125 dB input system, 3 optical systems, 1 coaxial x 1, microUSB x 1, 2 output systems, headphone jack x 2, charging time, approx. 5 hours continuous operation time, approx. 8 hours W82 x H60 x D22 mm 180 g
The price has been reduced! 2024/4/5 sales price 500 yen The sound quality of only one 2.0m QED speaker cable feels thick and flexible throughout the entire range. You can use it regardless of genre. The exterior is good with no conspicuous scratches (Tomoho Asae)
Maintenance information: 2024.4.5 continuity confirmed
Accessories: none
An introductory cable with 1.5 m pair untreated ends that are soft and easy to run. The medium range is easy to hear and has a sense of volume, making it perfect for upgrading from accessories. Good product with little feeling of use (Kanai Hidetsugu)
Maintenance information: 2024.3.30 continuity confirmed
Accessories: none
Speaker cable A standard cable that has become synonymous with 1.0 m pair of unprocessed speaker cables. It features a stranded wire structure that enables reliable transmission with low noise even in harsh environments such as studios. Monitor-like sound quality with little coloring (Kobayashi Hitoshi)
Maintenance information: 2024.3.30 Continuity confirmed
Accessories: none
※A standard cable with only 1 speaker cable that has become synonymous with 2.0m end unprocessed speaker cable. It features a stranded wire structure that enables reliable transmission with low noise even in harsh environments such as studios. Monitor-like sound quality with little coloring. There is an appearance, dullness, and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.3.25 continuity confirmed
Accessories: none
The disposal price has been reduced. Member prices are not applicable. 2023/12/10 sales price 18,000 yen USB isolator Input to USB Type-B and output from USB Type-A. USB low-speed (1.5Mbps) and full-speed (12Mbps) dedicated hubs. Please refer to the manufacturer's website for details. https://octy.co.jp/products/usb20.html ※5V power supply is not included. Please prepare separately (Oikawa Tetsuji)
Maintenance information: 2023.12.10 storefront operation confirmed (5V test power supply is supplied, and sound output operation confirmed by connecting between PC and USB DAC)
Accessories: *USB microB 5V power supply is not included. Please use your own USB adapter or the like.
Main specifications: 110mm×64mm×30mm 230g
Speaker cable This is an audio-technica home theater speaker cable with an unprocessed 3.0 m end. It's only for home theaters, so it's good to tune the sound field and sense of realism (Kobayashi Hitoshi)
Maintenance information: 2024.3.9 continuity confirmed
Accessories: none
The disposal price has been reduced. Member prices are not applicable. 2024/1/18 sales price 118,000 yen Maintained! QUAD's first transistor preamp. The deep sound image and the impression that the natural atmosphere has definitely increased, and the glossy way it rides and the sound that goes through the core make you think it's a vacuum tube amplifier. Of course, it's a combination with the 303, and the sound doesn't feel out of place even when paired with a vacuum tube power amplifier. BAL knobs are worn out (Daiki Goto)
Maintenance information: 2024.1.18 Maintained (front push button contact failure → cleaning, PHONO/LINE in-board coupling capacitor replacement. AC spark killer capacitor broken → replaced, each VOL cleaned, power cable created)
Accessories: copy of instruction manual
Main specifications: external dimensions W550 x H110 x D220 mm, weight approx. 7.4 kg (actual measurement) [33] 3 input/line systems, 1 phono system (MM) [FM3] tubular FM dedicated tuner with automatic stereo/mono switching
The price has been reduced. 2024/2/2 sales price 2,500 yen. ※Inexpensive because 1 bottle is out of stock. Orthophone speaker terminal joint cable Be sure to improve the sound quality of speakers compatible with bi-wiring with 7N ultra-high purity copper wire. One vinyl cover is short (Takasaki Atsushi)
Accessories: original box
Main specifications: 7N copper (diameter 1mm) +gold plating treatment approx. 150mm/book
Good condition with original box! OTG cable compatible with portable devices equipped with Lightning terminals. Can be used with products equipped with USB Type-C. By using a mesh sheath that is resistant to compression and twisting, and aluminum alloy is used for the plug, faster and more stable transmission is achieved. (FUJISAWA KOSHI)
Maintenance information: 2024.2.6 continuity confirmed
Accessories: original box
Main specifications: Lightning-USB TypeC total length 138mm cable length 80mm (excluding plug)
The disposal price has been reduced. Member prices are not applicable. 2023/9/23 sales price 118,000 yen This is a high sound quality studio preamp with feedback on design and development technology for professional consoles and DC power amplifiers. It has a high-grade design, such as an input level equipped with a large machined aluminum knob, monitor level volume, an R core transformer, and a luxurious power supply unit using a large capacity capacitor. There are hit scratches and line scratches overall (Daiki Goto)
Maintenance information: 2023.9.23 Operation confirmed
Accessories: power cable
Main specifications: Input SOURCE INPUT 4 stereo systems (1 of which is balanced input) DECK INPUT stereo 4 systems output MONITOR OUTPUT stereo 2 systems (1 of which is balanced output 2 hot) DECK OUTPUT stereo x 4 W483 x H181 x D44 mm 3.4 kg
The disposal price has been reduced. Member prices are not applicable. 2023/12/10 sales price 25,000 yen*Since the output terminal has been remodeled to an XLR terminal, it is inexpensive. It is a pretty niche product that uses 2 stereo amplifiers so that it can be used like a mono amplifier. Actually, it seems to be a product intended for use with the company's 405-2. There is a lot of dullness on the exterior due to aging (Fujisawa Yukishi)
Maintenance information: 2023.6.4 sound output confirmed
Accessories: none
Main specifications: W80xH47xD140mm approx. 1.0 kg/unit
The disposal price has been reduced. Member prices are not applicable. 2023/9/11 sale price 10,000 yen rare item! It appears to be a promotional product of YST-SW1000L. The YST-SW1000L can be displayed in a cool way (Oikawa Tetsuji)
Accessories: none
Main specifications: W660 x H20 x D600 mm weight 4.2 kg (actual measurement)
Disposal prices have been reduced! (Member discounts are not applicable) 2022/10/9 sales price 2,000 yen Audio Pro speaker Bravo ALLROOM SAT bracket. This is a wall mounting accessory. The exterior is generally good (Takahashi Nobuyuki)
Accessories: instruction manual copy source box
Main specifications: 52g per weight
Disposal prices have been reduced! (Member discounts are not applicable) 2022/10/9 sales price 2,000 yen Audio Pro speaker Bravo ALLROOM SAT bracket. This is a wall mounting accessory. The exterior is generally good (Takahashi Nobuyuki)
Accessories: instruction manual original box
Main specifications: 52g per weight
Speaker cable with 1.7 m pair ends using unprocessed OFC. This cable is simple and easy to handle. There is a feeling of use throughout (Murakoshi Yoichi)
Maintenance Information: 2023.9.5 Conductivity Confirmed
Accessories: none
Disposal prices have been reduced! (Member discounts are not applicable) 2023/7/31 Sales price 15,000 yen*Currently sold. It is a 2.1 channel speaker system that perfectly matches Bose's unique compact, high-performance speaker technology with bass reproduction technology. You can easily enjoy simple 2.1 channels. As for the exterior, there are cracks in the woofer cabinet, overall dullness, and small scratches. Serial 990701 (Yonejima Satoshi)
Maintenance information: 2023.7.31 Operation confirmed
Accessories: no accessories
Main Specifications: Rated Input 100W Impedance 6Ω Satellite Speaker 6.0 cm Driver x 2, Antimagnetic Type, W78 x H157 x D104 mm, 1.1 kg, Subwoofer, 13 cm, 2 Drivers, W485 x H358 x D192 mm, 9.1 kg