Attenuator using Tokyo Koon Denpa 2CP2508-S A50kΩ. Both input and output are RCA1 systems (Oikawa Tetsuji)
Maintenance information: 2026.2.1 operation confirmed)
Accessories: none
Main specifications: W60 x 50 x D115 mm 160 g (actual measurement)
*Currently sold. 16cm cone woofer It is a self-made item that stands up well and has a clear tone, and is a popular item for any occasion. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2026.1.25 Operation confirmed
Accessories: none
Main specifications: impedance 8 ohms output sound pressure level 90 dB maximum input 100 W recommended crossover frequency 5 kHz or less W190 × H190 × D96 mm 3.6 kg
The price has been reduced. 2026/1/29 sales price 29,800 yen Self-made speaker with VISATON FR10HM+ double bass reflex enclosure. The lower unit is operating as a passive radiator. It reproduces bass with more room than its size. The exterior has dullness and small scratches (Satoshi Yonejima)
Maintenance information: 2026.1.29 sweep test good
Accessories: No accessories
Main specifications: impedance: 8 ohms playback frequency: 95 Hz to 22 kHz output sound pressure level: 86 dB W210 x H460 x D315 mm weight 8.6 kg/1 bottle
Passive attenuator using Seiden ALAT3210S. Both input and output are RCA only. There is an insulator mark on the top plate (Oikawa Tetsuji)
Maintenance information: 2026.2.1 operation confirmed
Accessories: none
Main specifications: W90 x H67 x D165 mm 380 g (actual measurement)
A tall boy enclosure that seems to be from a garage manufacturer. If you've been looking for this size, take this opportunity. You can see a feeling of use such as appearance, dullness, scratches, etc. (Kobayashi Hitoshi)
Accessories: saran net
Main specifications: unit opening (top) diameter 125 mm, screw pitch 80 mm (bottom 2 holes) diameter 190 mm, screw pitch 65 mm, W240 x H810 x D465 mm, 21.5 kg
The disposal price has been reduced! Member prices are not applicable. 2025/12/4 sales price 5,000 yen This is a self-made speaker that has processed and mounted the 6cm full range of the Ongakunotomosha “Special Speaker Unit 2023 Edition Webco Edition” into the Pioneer S-HM51 enclosure. A booklet is included. (FUJISAWA KOSHI)
Maintenance information: 2025.12.4 operation confirmed
Accessories: booklet
Main specifications: W155 x H240 x D250 mm
Currently sold. A second-generation version of a masterpiece kit model designed by Hideya Masutani that won the hearts of self-made enthusiasts. The clear, fresh, and intense mid-range tone has an appeal that exceeds the price. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.1.25 Operation confirmed
Accessories: none
Main specifications: 35W+35W W335×D210×H155mm 6kg
The interior of the self-made wooden horn, whose details are unknown, has a sectional structure and is well built. 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: throat diameter 100mm screw pitch (3 holes) 50mm W425 x H145 x D245 mm 3.6 kg
The price has been drastically reduced. 2026/1/16 sales price 99,800 yen Maintenance has been completed, including 8 power transistors and 4 diodes replaced! It hasn't arrived in a long time, and this one comes with a self-made sidewood. There are no genuine wood cabinets. A power amplifier that allows you to enjoy glossy, intense A grade sound and powerful AB grade sound. It has sufficient playback bandwidth, is thick in the mid and low frequencies, has good sound separation, and makes me listen to jazz and rock in a very pleasant way. There is a wound on the wood cabinet (Sasaki Shota)
Maintenance information: 2026.1.16 Maintained (internal check. Both power stage Tn channels are short. Partial resistance burn, diode short. Other power SW internal contact burn → dismantling and correction. Power relay contact failure → polishing. Drive stage pattern crack → re-solder
gain vol cleaning)
Accessories: none
Main specifications: 120W+120W (AB grade) 30W+30W (A grade), W416 x H146 x D332 mm 14.5 kg
* A self-made board is attached to the bottom, and there are liquid leakage marks inside the remote control, so it is currently sold at a low price. Comes with a remote control. A model that condenses the know-how of Yamaha, a prestigious audio company. The tight low range firmly supports the system. The exterior has a feeling of use such as deterioration of the top plate, line damage, and dullness (Mizusaki Ryo)
Maintenance information: 2026.1.27 Operation confirmed
Accessories: remote control
Main specifications: built-in 25cm anti-magnetic superwoofer amplifier (output 120W) playback frequency band 20 to 160 Hz YST system, equipped with 2 systems of pin terminals and speaker terminals, W330 x H475 x D380 mm (including bottom plate), 22 kg
The disposal price has been reduced. Member prices are not applicable. 2025/7/10 sales price 29,800 yen ※Currently sold. A unique speaker system with a Sony flat panel unit mounted in an enclosure using Japanese paper. It has a mild taste with sharp corners. There is a dent in the woofer unit (Oikawa Tetsuji)
Maintenance information: 2025.6.29 Operation confirmed
Accessories: none
Main specifications: W280 x H380 x D320 mm 3.0 kg (actual measurement)
Unspecified tweeter baffle If you are a self-made artist, by all means (Daiki Goto)
Accessories: none
Main Specifications: Dimensions: W178 x H178 x D15 mm Hole Diameter: 94 mm Screw Pitch: 115 Weight: 300 g (actual measurement)
Unspecified tweeter baffle If you are a self-made artist, by all means (Daiki Goto)
Accessories: none
Main Specifications: Dimensions: W178 x H178 x D15 mm Hole Diameter: 105 mm Screw Pitch: 127 mm Weight: 300 g (actual measurement)
Disposal price has been reduced (member price not applicable) 2024/9/16 sales price 10,000 yen A large self-made audio board with a sturdy wooden board sandwiched between a floor mat and felt. It was created by the previous owner for TANNOY Westminster. As for the exterior, there is a feeling of use such as scratches on the bottom (Tamai Jun)
Accessories: none
Main specifications: size W1040 x D700 x H23 mm, weight 8.0 kg/sheet
The disposal price has been reduced. Member prices are not applicable. 2025/11/21 sales price 50,000 yen JBL's classic front load enclosure 4560BK. You can experience the thick, energetic low frequencies unique to professional models. Metal stand with casters, with self-made wings. The screws on the back plate are missing, and there are only 2 screws on both sides. The wing plate is chipped and the screw is loose. The unit looks like it came with a D-130A-E. There are stains and stains on the exterior (Suzuki Keita)
Accessories: self-made wing, metal stand with casters ※ missing back screws
Main specifications: enclosure (including wings): W1667 x H915 x D625 mm 48.95 kg/1 (actual measurement) caster stand: W760 x H295 x D610 mm 11.25 kg/1 unit (actual measurement)
The price has been drastically reduced. 2025/8/26 sales price 8,000 yen. This is a self-made tweeter stand that supports JBL 075, 077, 2405, etc. It is a design where a sheet like shrink paint is attached to the wood to match the color with the main body (Murakoshi Yoichi)
Accessories: none
Main specifications: wooden W110×H45×D50mm
The disposal price has been reduced. Member prices are not applicable. 2025/8/10 sales price 3,000 yen ※1 bottle only, currently sold. Visaton 17cm woofer If you are a self-made artist, don't miss it. The speaker cable is soldered. There is a note on the original box (Mizusaki Ryo)
Maintenance information: 2025.8.10 sound output confirmed
Accessories: original box
Main specifications: 17 cm woofer impedance 8 ohms output sound pressure level 88 dB diameter 165 mm x depth 80 mm weight 900 g
*Currently sold. Elliptical coaxial 2-way unit with unknown details. How about someone who is a self-made artist? There is dirt and dullness (Oikawa Tetsuji)
Maintenance information: 2025.8.10 operation confirmed
Accessories: none
Main specifications: 4Ω W154 × H50 × D950 mm
*Currently sold. Elliptical coaxial 2-way unit with unknown details. How about someone who is a self-made artist? There is dirt and dullness (Oikawa Tetsuji)
Maintenance information: 2025.8.10 operation confirmed
Accessories: none
Main specifications: 4Ω W154 × H50 × D950 mm
Self-acting bass reflex port. W90 x H15 x D100 mm cork part depth 45 mm inner diameter 55 mm cork part outer diameter 65 mm (permanent future bucket)
Accessories: none
A board specially designed for JBL's Olympus. What about those who have one? Scratches and chips are conspicuous overall (Sasaki Shota)
Accessories: none
Main specifications: W910 x H30 x D460 mm weight 8.1 kg (actual measurement)
The disposal price has been reduced! Member prices are not applicable. 2022/7/16 sales price 100,000 yen wooden 46cm double woofer type. Baffle opening diameter 425mm, screw pitch 490mm, baffle and enclosure plate thickness 24mm, duct opening diameter 108mm. Both the front and back panels cannot be removed. There are color differences on the left and right sides of the exterior, and there are chipped corners, dents, and stains. (TAKIMOTO Yutaka)
Accessories: none
Main specifications: W1600 x H950 x D850 mm (actual measurement) The weight has not been measured, but it seems that it is 100 kg or more.
ASW enclosure with a height of 2380 mm. Finished with plywood and wood grain veneer, it looks beautiful. The bass reflex hole has 2 slits and no ducts. It is for 38 cm units, and since the upper cabinet has a large volume, you can expect a low range with plenty of room. Unit mounting hole diameter: 350 mm, screw pitch, 370 mm diagonal, plate thickness 27 mm There are stains, scratches, and stains on the exterior. (TAKIMOTO Yutaka)
Accessories: 14 unit screws (2 missing) *The trolley is not included
Main specifications: upper part: W488 × H1520 × D475 mm 46.8 kg (actual measurement) lower part: W488 × H860 × D475 mm 31.2 kg (actual measurement) total weight 78 kg/unit
Set of 3 A self-made insulator that imitates “drinking,” which is sometimes used as an insulator. The warm atmosphere is attractive (Daiki Goto)
Accessories: none
Main specifications: Weight approx. 100g
※Inexpensive because it is in poor condition. Self-made 2way/3way enclosure. The size of the hole is different at the top, with an opening diameter of about 315 mm on the top and about 360 mm on the bottom. There are many peeling veneer, corner pads, scratches, etc. (Oikawa Tetsuji)
Accessories: none
Main specifications: W450 x H1056 x D480 mm approx. 33 kg
A 38cm double configuration enclosure that can be used as a center woofer or center speaker. The previous owner had an electro voice 38cm woofer installed. Comes with casters. There is a lot of feeling of use, such as uneven paint and bolt marks on the top plate. Please contact us for shipping (Murakoshi Yoichi)
Accessories: none
Main specifications: W1045 x H790 x D604 mm 52.2 kg
A self-made large record player cabinet where Victor's TT-101 was mounted. SAEC's WE-308SX was mounted on the arm. Shipping costs will be estimated separately (Sasaki Shota)
Accessories: none
Main specifications: W630 x H205 x D570 mm, arm hole diameter 43/29 mm, weight 26.2 kg