Disposal prices have been reduced. Member discounts will not be applied. 2023/1/23 sales price 500 yen. Sale as is. 1 YAMAHA full range unit. There is a dent in the center cap, and there is a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.1.23 Operation confirmed
Accessories: none
Main specifications: Outer diameter approx. 205 mm, screw pitch approx. 105 mm, weight 1.5 kg
The disposal price has been reduced. Member discounts are not applicable. 2023/2/5 sales price 2,000 yen. *Currently sold. Specification details of only one Onkyo full range unit are unknown, but it was able to sweep and make sound. The exterior has dirt, dullness, and tape marks (Katsuji Hiura)
Maintenance information: 2023.2.5 sound output confirmed
Accessories: none
Main specifications: diameter 120 mm, depth 71 mm, screw pitch 219 mm (actual measurement), weight 1.2 kg
※1 bottle only. Currently sold. A full range of 8cm high grade glass cloth cones. It has a light, unobtrusive sound and is recommended for pop music and female vocals. The exterior is dull. (YONEJIMA Satoshi)
Maintenance information: 2024.2.17 sweep test good
Accessories: No accessories
Main specifications: 6Ω 84dB 20W 0.54 kg
※1 bottle only. This is a 10 cm full range unit from FOSTEX. It is a very popular model for those who make their own speakers. The sound quality is bright and has an impression of tension. Dull, there is a feeling of use (Sasaki Shota)
Maintenance information: 2023.8.11 sound output tested
Accessories: manual, original box
Main specifications: full range aperture 10 cm maximum input 15 W 8 ohms magnetic flux density 13000 gauss baffle aperture diameter 9 cm recommended enclosure volume 15 L
※Since it is inexpensive, it will be handed over as is. Tamban 10cm full range unit. An ultra-thin PP diaphragm with reinforced ribs is used. The sound is clear and crisp. A 6-8 liter bass reflex box is recommended (Tamura Eiji)
Maintenance information: 2023.10.1 sweep check OK
Accessories: none
Main Specifications: Rubber Edge Impedance 4 Ohms Sound Pressure Level 87 dB Frequency Band 63 to 17,000 Hz Maximum Input 40 W Baffle Aperture Diameter 94 mm Weight 380 g
※Since it is cheap, it will be handed over as is. 1 bottle only 25cm full range speaker made by RCA in the USA. The Alnico magnet responds well and the sound is easy to remove. There are repair marks on the edge (Tamura Eiji)
Maintenance information: 2024.3.22 sweep test good
Accessories: No accessories
Key Specifications: Unit Diameter 25cm 8Ω Fixed Edge
The disposal price has been reduced! (Member discounts are not applicable) 2023/10/21 sales price 89,800 yen ※It is cheap because there is a dent in the center cap. 38cm cone type full range unit for late model JBL. Unlike modern heavy bass, it reproduces bright and light low frequencies. This is a standard unit that can perform many types of sound makeup depending on the driver and tweeter, which is sharp and adapts well. The exterior has stains and dents on the center cap. Also, there are some repair marks on the corn paper. Serial 111548, 112952 (Miura Kimiya)
Maintenance information: 2023.10.19 Maintained (drilling repair, terminal tightening, center cap cleaning)
Accessories: No accessories
Main specifications: 38cm cone type full range unit Alnico 8Ω (measured 6.0Ω/6.6Ω) 103dB recommended enclosure internal volume 114 to 338L frequency characteristics 50 to 6,000 Hz screw pitch (diagonal) 370 mm 7 kg
※It has been replaced with a rubber edge. A masterpiece of full range units. The overhang of the sound from mid-bass to mid-range is excellent, and the vocals resonate sensually with a life-size sound image. There is stickiness on the inside of the frame. Serial 125664/125654 (Oikawa Tetsuji)
Maintenance information: 2024.3.18 Operation confirmed
Accessories: none
Main specifications: 20cm full range Alnico magnet 8Ω 89dB input 40W depth 98mm approx. 3.5 kg/bottle
The price has been reduced. 2023/7/24 Sales price 89,800 yen ※There is no problem with operation, but it is inexpensive because the cone paper has stains, dents, and wrinkles on the center cap. JBL's 38cm cone type full range unit. Unlike today's heavy bass, it reproduces bright and light low frequencies. It's a standard unit that can do many kinds of sound makeup depending on the driver or tweeter that's sharp and fits well. There are stains on the cone paper, dents on the center cap, wrinkles, and dirt adhering to the edges (Oikawa Tetsuji)
Maintenance information: 2023.7.24 Operation confirmed
Accessories: none
Main specifications: 38 cm cone type full range unit Alnico 8 Ω (actual measurement 6.0/6.2 Ω) 103 dB Recommended enclosure internal volume 114 to 338 L frequency characteristics 50 to 6,000 Hz screw pitch (diagonal) 370 mm 7 kg