※There is no problem with operation, but it is currently sold because it is cheap. A subwoofer that can also be installed in a home theater or for those with insufficient bass in the system. The settings are simple, and you can create sound according to the speaker and room conditions. There are scratches, dirt, dullness, etc. (Oikawa Tetsuji)
Maintenance information: 2024.3.3 operation confirmed
Accessories: none
Main specifications: 1 way, 1 speaker, advanced YST system, floor type, anti-magnetic high-cut filter, 50-150 Hz, continuously variable dimensions, W235 x H485 x D409 mm, weight 14 kg
Disposal prices have been reduced. Member discounts do not apply. 2022/12/29 sales price 10,000 yen. In-ceiling subwoofer Equipped with a single 5.25-inch woofer, it provides deep bass up to 40Hz without distortion. There is a feeling of use on the exterior, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information:2022.12.28 operation confirmed
Accessories: instruction manual (copy)
Main specifications: 50 Hz to 230 kHz 96 dB 6 ohm φ391 mm depth 205 mm 6.4 kg
Disposal prices have been reduced. Member discounts do not apply. 2022/12/29 sales price 10,000 yen. In-ceiling subwoofer Equipped with a single 5.25-inch woofer, it provides deep bass up to 40Hz without distortion. There is a feeling of use on the exterior, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information:2022.12.28 operation confirmed
Accessories: instruction manual (copy)
Main specifications: 50 Hz to 230 kHz 96 dB 6 ohm φ391 mm depth 205 mm 6.4 kg
Disposal prices have been reduced. Member discounts do not apply. 2022/12/30 sales price 10,000 yen. In-ceiling subwoofer Equipped with a single 5.25-inch woofer, it provides deep bass up to 40Hz without distortion. There is a feeling of use on the exterior, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information:2022.12.28 operation confirmed
Accessories: instruction manual (copy)
Main specifications: 50 Hz to 230 kHz 96 dB 6 ohm φ391 mm depth 205 mm 6.4 kg
※Since it is cheap, it will be handed over as is. A subwoofer that can also be installed in a home theater or for those with insufficient bass in the system. The settings are simple, and you can create sound according to the speaker and room conditions. The exterior has some holes in creases and threads. Serial Z213158SU (Yonejima Satoshi)
Maintenance information: 2024.2.24 sweep check OK
Accessories: instruction manual
Main specifications: 1 way, 1 speaker, advanced YST system, floor type, anti-magnetic high cut filter, 50 to 150 Hz, continuously variable, W235 x H485 x D409 mm, 14 kg
Disposal prices have been reduced! (Member discounts are not applicable) 2023/2/5 sales price 10,000 yen ※1 bottle only. DynAudio's classic 17cm cone woofer. It has resolution and is recommended for bookshelves, etc. The urethane on the back magnet side has not deteriorated (Tamura Eiji)
Maintenance information: 2023.2.5 good sweep test
Accessories: There are no accessories
Main specifications: 17 cm cone type impedance 4 ohms diameter 176 mm depth 66.5 mm
Disposal prices have been reduced! Member discounts do not apply. 2023/4/2 sales price 10,000 yen*Currently sold. The safety wire is broken. In-ceiling subwoofer Equipped with a single 5.25-inch woofer, it provides deep bass up to 40Hz without distortion. On the exterior, there is a feeling of use, such as cracks, fading, abrasions, etc. on the main body (Kanai Hidetsugu)
Maintenance information: 2023.4.2 sound output confirmed
Accessories: none
Main specifications: 50 Hz to 230 kHz 96 dB 6 ohm φ391 mm depth 205 mm 6.4 kg
Disposal prices have been reduced! Member discounts do not apply. 2023/4/2 sales price 10,000 yen*Currently sold. The safety wire is broken. In-ceiling subwoofer Equipped with a single 5.25-inch woofer, it provides deep bass up to 40Hz without distortion. There is a feeling of use on the exterior, such as fading, abrasions, etc. (Kanai Hidetsugu)
Maintenance information:2023.4.2 sound output confirmed
Accessories: none
Main specifications: 50 Hz to 230 kHz 96 dB 6 ohm φ391 mm depth 205 mm 6.4 kg
Disposal prices have been reduced! Member discounts do not apply. 2023/4/2 sales price 10,000 yen*Currently sold. In-ceiling subwoofer Equipped with a single 5.25-inch woofer, it provides deep bass up to 40Hz without distortion. There is a feeling of use such as exterior, fading, abrasions, etc. (Kanai Hidetsugu)
Maintenance information: 2023.4.2 sound output confirmed
Accessories: none
Main specifications: 50 Hz to 230 kHz 96 dB 6 ohm φ391 mm depth 205 mm 6.4 kg
※Since it is cheap, it is handed over as is, and the remote control works, but only the high-cut filter does not respond. Comes with a remote control. It is a subwoofer that condenses the know-how of YAMAHA, a prestigious audio company. Tight low frequencies support the system. The feeling of use such as scratches and dullness is noticeable (Daiki Goto)
Maintenance information: 2024.3.7 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 pin terminals and speaker terminals W330 x H440 x D380 mm 22 kg
*Currently sold. Yamaha superwoofer equipped with a 20 cm x 2 double woofer. Equipped with active servo technology and a 150W high-power amplifier, it plays bass that is small yet full of volume. There is dirt, dirt and dullness on the exterior, and some floating on the bottom. Serial Z117079QS (Tamura Eiji)
Maintenance information: 2024.3.3 sweep test is good
Accessories: No accessories
Main specifications: used unit 20 cm cone type x 2 rated output 150 W (5 ohms) playback frequency band 20 Hz to 160 Hz high cut filter 40 Hz to 140 Hz, continuously variable W235 x H602 x D463 mm 20 kg
※Since it is cheap, it will be handed over as is. An attractive subwoofer with a tight, speedy bass range based on time domain theory. The sound that emits 360 degrees is a convenient item with a high degree of freedom of installation. There are scratches on the exterior. Serial Z0C00005 (Tamura Eiji)
Maintenance information: 2024.4.24 sweep test good
Accessories: instruction manual, power cable, original box
Main specifications: 16 cm subwoofer 16 cm (dual voice coil unit) playback frequency band 40 Hz to 200 Hz rated output 30 W x 2 crossover 40 Hz to 200 Hz (continuously variable) power consumption 46 W size W236 x H354 x D301 mm mass 16.2 kg
*Currently sold. Sealed active subwoofer equipped with a 50mm unit. Equipped with a 200W ICEpower amplifier. It has a mushroom structure that increases unit strength and achieves both sharpness and volume, and a sturdy paper kevlar is used for the cone screwdriver. There are some small scratches on the exterior. Serial 2112-0017814 (Yonejima Satoshi)
Maintenance Information: 2024.4.25 Operation confirmed
Accessories: power cable
Main specifications: Unit 250mm long throw amplifier output 200W playback frequency band 20Hz to 25/140Hz (-6dB, when EQ A is selected) playback frequency response 27Hz to 40/140Hz (±3dB, when EQ A is selected) rated consumption output 40W (0.5W in standby) W310 x H310 x D375 mm 12.50 kg
*Currently sold. This is an AUDIO PHYSIC superwoofer. You can enjoy very powerful bass. The crossover can also be switched between 32/46/61/80/105 Hz, which is convenient. As for the exterior, there are line scratches, saran net holes, dull stains, etc. on the top plate. Serial 573 (Yonejima Satoshi)
Maintenance Information: 2024.4.25 Operation confirmed
Accessories: spikes, saran net
Main specifications: W260 x H625 x D400 mm 26 kg
The price has been drastically reduced. 2024/3/18 sales price 79,800 yen ALTEC's royal unit used in A7 etc. It's a woofer with a good sense of clarity and a light sound. It has a sense of dynamism and goes well with jazz and rock (Shota Sasaki)
Maintenance information: 2024.3.18 sweep test good
Accessories: none
Main specifications: 38cm ferrite magnetic woofer, 97db, 8Ω, 20Hz to 1600Hz, weight 9.4 kg, baffle opening diameter 35.9 cm
The price has been drastically reduced. 2024/2/12 sales price 89,800 yen ※It has been replaced with a non-genuine edge. You can enjoy voluminous bass with highly efficient and heavy cone paper. It is also durable with a gathered edge, and is also recommended for backload and front load enclosures. There are viscoid sagging marks (Oikawa Tetsuji)
Maintenance information: 2024.2.12 Operation confirmed
Accessories: none
Main specifications: rated input 150 W frequency characteristics 30 Hz to 2 kHz 16 ohms efficiency 96 dB crossover frequency 800 Hz recommended enclosure volume 170 to 225 liters depth 146 mm 7.5 kg
The price has been drastically reduced. 2024/1/13 sale price 99,800 yen rare Gauss 46cm woofer! This is the first model to arrive at Hi-Fi. Unlike JBL woofers, it is characterized by sound tightness and strength of extrusion. It also seems interesting to use it as a 4345 woofer (Sasaki Shota)
Main specifications: Ferrite magnet 46cm woofer impedance 8Ω (measured DC resistance value 6.3Ω, 6.0Ω) 8.7kg (actual measurement)
Maintained! You can enjoy voluminous bass with highly efficient and heavy cone paper. It is also durable with a gathered edge, and is also recommended for backload and front load enclosures. The exterior has a feeling of use, such as dullness and paint peeling. Serial 10904 10896 (Hiroki Aso)
Maintenance information: 2024.4.27 Maintained (center cap replacement, corn paper coating, edge damping agent applied)
Accessories: none
Main specifications: rated input 150 W frequency characteristics 30 Hz to 2 kHz 16 ohms efficiency 96 dB crossover frequency 800 Hz recommended enclosure volume 170 to 225 liters depth 146 mm 7.5 kg
46cm cone woofer for 4345. A large aperture unit that is compatible with digital recording and is advantageous for deep bass reproduction. The exterior looks like liquid solidified on the back side of the unit (Mizusaki Ryo)
Maintenance information: 2024.4.28 sound output confirmed
Accessories: none
Main specifications: 46cm cone woofer unit impedance 8Ω efficiency 95dB recommended crossover frequency 800Hz or less
Maintained! Woofer unit used in A5. It is a 38cm Alnico magnet, and the open sound is truly Altec. As for the exterior, the cork around the frame has deteriorated (Mizusaki Ryo)
Maintenance information: 2024.4.28 Maintained (edge holes repaired with rubber adhesive, edge wood chips removed, center cap removed and dustproof net glued, magnetic circuit slit cleaned, rust prevention, coil bobbin center removal)
Accessories: none
Main specifications: 38cm cone woofer unit impedance 16 ohms output sound pressure level 104 dB 12.4 kg