Sansui's 8cm full range unit with unknown details. It has an unusual structure with a metal cap inside the center dome. There are aging spots, but they are generally beautiful (Kanai Hidetsugu)
Maintenance information: 2022.11.5 sound output confirmed
Accessories: none
Main specifications: impedance 15Ω (actual measurement 15Ω) 5W screw pitch 114mm (diagonal) weight 555g
* There is no problem with operation, but since it is inexpensive, it will be handed over as is. Speaker system incorporating Fostex's 10cm cone-shaped full-range unit S100 into a self-made enclosure. It's an easy-to-use unit with a timeless tone. The exterior is good with little feeling of use (Satoshi Yonejima)
Maintenance information: 2022.11.17 good sweep test
Accessories: instruction manual original box
Main specifications: 10cm full range minimum resonance frequency 80Hz playback frequency band FO to 20kHz 8Ω efficiency 89dB input resistance 60W magnet weight 330g W193 x H286 x D227 mm 4.1 kg
The disposal price has been reduced. Member discounts are not applicable. 2023/6/21 sales price 40,000 yen*Sound output has been confirmed with a DC12V/10A field power supply (power supply not included. (Please prepare separately) According to the manufacturer, a 12V/30A power supply is recommended. 1 bottle only. 17cm excitation type full range unit from DEER (Royal Industries). The careful design, such as the use of paper-making cones impregnated with special treatment agents and unleaded silver solder, and the careful construction unique to Japan-made, such as handmade production in Japan and total measurement control, makes a good impression. There is some dullness on the exterior (Murakoshi Yoichi)
Maintenance information: 2023.6.9 operation confirmed (12V sweep OK)
Accessories: none
Main specifications: 17cm woofer 50W 8Ω 90d DC12V input 48-12kHz
price cut! 2021/6/19 sales price 5,980 yen guitar amp speaker. It's a trend of sharp and clear sound in response. The appearance has a feeling of use such as small scratches and dullness. (Asai no chi law)
Maintenance information: 2021.6.19 working confirmed
Accessories: none
Main Specifications: Size 256.8 x 256.8 x 96.5 Baffle Diameter 231.9 Frequency Range 80Hz to 5KHz Unit Weight 2.9 kg Magnet Weight 0.85kg
We have reduced the disposal price! (It is not eligible for member discount) 2021/6/19 selling price 5,980 yen It is a speaker for guitar amplifier. It is a trend of sharp, clear sounds in response. The appearance has a feeling of use such as small scratches dullness. (Asaine Tomoho)
Maintenance information: 2021.6.19 operation confirmed
Accessories: none
Main specifications: Size 256.8 x 256.8 x 96.5 Baffle diameter 231.9 Frequency range 80 Hz to 5 kHz Unit weight 2.9 kg Magnet weight 0.85 kg
The price has been reduced. 2023/8/3 sales price 2,000 yen*Currently for sale is a Victor 10cm full range unit. The bass is subdued yet soft, and the soft midrange is attractive. The exterior is dull (Yonejima Satoshi)
Maintenance Information: 2023.8.3 Sweep Test Good
Accessories: no accessories
Main specifications: W131 x H55 mm, screw holes, 115 mm between diagonals, impedance 8 ohms
The price has been reduced. 2023/8/3 sales price 2,000 yen*Currently sold product Victor's 10cm full range. The clearness of the middle sound is attractive, and the impression is that there is no habit and there is no fatigue from listening to any genre. As for the exterior, there are light scratches on the frame (Satoshi Yonejima)
Maintenance Information: 2023.8.3 Sweep Test Good
Accessories: no accessories
Main Specifications: 10 cm unit 8 ohm diameter 130 x H55 mm screw pitch (diagonal) 116 mm
* There is no problem with the current operation, but since it is cheap, it is a product sold as is without a warranty. This is a set of FOSTEX unit PW80 and PT20 from the stereo magazine appendix. *There is no enclosure with the magazine and the same appendix. There are only units (Wang Zhan)
Maintenance information: 2023.4.29 Operation confirmed (sound output check OK)
Accessories: none
Main Specifications: [PW80] 8cm cone woofer impedance 8Ω minimum resonance frequency 130Hz output sound pressure level 83dB input 8W [PT20] 20mm soft dome tweeter impedance 8Ω playback frequency band: 3000Hz to 32000Hz
Foster's 16cm double cone full range unit It is characterized by a sharp sense of speed. It's reasonably priced, so it's recommended for users who make their own. There is a stain on the cone paper (Fujisawa Yukishi)
Maintenance information: 2022.7.8 operation confirmed
Accessories: none
Main specifications: 16cm double cone type 8Ω
※ It will be passed as it is inexpensive. 20cm coaxial 2-way full range unit from the electrobois You can enjoy American sound with good localization and crisp sound quality. The appearance has a dent due to the cone-paper. (Eiji Tamura)
Maintenance Information: 2021.3.11 Sweep Check OK
Accessories: No accessories
Main specifications: 20cm coaxial 2-way full range unit 8Ω 96dB
The price has been reduced. 2022/3/29 selling price 30,000 yen. * Distortion occurred in part of the low and middle frequencies when checking with the sweep signal, but this is the status quo. A late model of Roser's signature 20cm double cone full range. Thin cone paper and large powerful magnets create deep sound at high speed. There are many stains on corn paper (Yoichi Murakoshi)
Maintenance information: 2022.3.26 Sound output confirmed
Accessories: none
Main specifications: 20cm double cone full range 98dB playback frequency band 30-20,000 Hz ferrite magnet 202 x 202 mm depth 706 mm
The price has been reduced. 2022/3/26 Sales price 70,000 yen* There was distortion in the low frequency when confirming the sound output with the sweep signal, but it is currently sold. There is a difference in the color of the magnet part on the left and right, and the frame notation PM6 in an unusual plastic frame with “LOWTHER” logo on the front side of the frame. The large alnico magnet and thin cone paper make you expect a deep sound at high speed (Yoichi Murakoshi)
Maintenance information: 2022.3.16 sound output confirmed
Accessories: None
Main specifications: 16cm full range unit impedance 15 ohms maximum input 6W