The disposal price has been reduced. Member prices are not applicable. 2025/8/10 sales price 3,000 yen ※1 bottle only, currently sold. A 10-inch woofer from Rockford Fosgate, a long-established American car audio company. There is solder residue on the connection terminals and adhesions on the disconnected terminals. (TERASHIMA Yuya)
Maintenance information: 2025.8.10 sound output confirmed
Accessories: none
Main specifications: impedance 4 ohms diameter 255 mm x depth 135 mm weight 4.2 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/8/25 sales price 20,000 yen. ※Inexpensive due to poor condition. Currently sold. Famous NS-1000M woofer. The harmonic sound of pianos and guitars when incorporated into the speaker system is exquisite. The cloth edge, which is double coated with thermosetting resin and viscoelastic resin that suppresses resonance, is extremely durable. In addition to corrosion, dirt, and rust on the exterior and magnets, and dents on the grill, you can also see a feeling of use such as dullness, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.8.22 Operation confirmed
Accessories: none
Main specifications: 30cm cone type W340 x H140 x D340 mm 5.55 kg (actual measurement)
※1 bottle only. High performance woofer made by SCANSPEAK. The large 3-inch voice coil and low resonance frequency make it ideal for reproducing low to medium ranges with high efficiency. The exterior is slightly dull (Yonejima Satoshi)
Maintenance information: 2025.11.6 sweep check is good
Accessories: original box
Main specifications: 32cm paper cone woofer impedance 4Ω output 150W voice coil diameter 75mm efficiency 92dB
※1 bottle only. Scanspeak 30cm subwoofer If you are a user, why not use it as a spare? The exterior is dull (Yonejima Satoshi)
Maintenance information: 2025.11.6 sweep check is good
Accessories: original box
Main specifications: 30cm subwoofer impedance 4Ω efficiency 89db
※1 bottle only. Scanspeak 26cm subwoofer If you are a user, why don't you use it as a spare? As for the exterior, the edge surface is slightly white (Yonejima Satoshi)
Maintenance information: 2025.11.6 sweep check is good
Accessories: original box
Main specifications: 26cm subwoofer impedance 4Ω efficiency 88db
High performance woofer made by SCANSPEAK The large 3-inch voice coil and low resonance frequency make it ideal for reproducing low to medium ranges with high efficiency. The exterior is slightly dull (Yonejima Satoshi)
Maintenance information: 2025.11.5 sweep check is good
Accessories: original box
Main specifications: 32cm paper cone woofer impedance 4Ω output 150W voice coil diameter 75mm efficiency 92dB
The edge was replaced in November 2019! A 38cm woofer representing JBL used in Olympus, Paragon, etc. The 9.1-kg Alnico magnet has a firm sense of volume and a subtly sweet low frequency, making you feel the joy of music the moment the sound comes out. Stains can be seen on the corn paper. Serial 38383, 39469 (Fujisawa Yukishi)
Maintenance Information: 2019.11.20 Maintained (edge replaced. Check all parts. Center adjustment. Operation check OK)
Accessories: No accessories
Main specifications: 38cm woofer Alnico input 120W sound pressure level 97dB 8Ω recommended enclosure capacity 114 L to 338 L baffle opening diameter 355 mm screw pitch (diagonal) 370 mm depth 149 mm 10.8 kg/book
※ Because it is cheap, it is currently sold. Active subwoofer equipped with a 20cm woofer unit. A simple design with a built-in 50W power amplifier and just a volume and power switch on the back. Advanced Yamaha Active Servo Technology 2 enables playback from 28 Hz even though it is small (Daiki Goto)
Maintenance information: 2025.10.23 Operation confirmed
Accessories: none
Main Specifications: Advanced Yamaha Active Servo Technology 2 Output 50W Playback Frequency Band 28Hz to 200Hz Speaker Unit 20cm Cone Type (Non-Magnetic) W291 x H292 x D341 mm 8.5 kg
Arrived for the first time in 6 years! It has a quality that can only be heard on TAD, and it is a gem that is still popular with enthusiasts today. The mid-low range with damping effect on the sense of volume unique to large woofers is attractive. Serial UE0247/UK0264 (Murakoshi Yoichi)
Maintenance information: 2025.10.16 sound output confirmed
Accessories: none
Main specifications: 40cm cone woofer voice coil impedance 8Ω minimum resonance frequency 28 Hz playback frequency band 28 Hz to 2 kHz maximum input (EIAJ): 500W output sound pressure level 97.5 dB baffle opening 352 mm mounting dimensions 370 mm (8 holes type) size diameter φ400 x depth 164 mm weight 13.0 kg
*Currently sold. A handy subwoofer featuring a stylish wood-like design. It's a tight, deep bass with little sound. There is a feeling of use such as dullness and small scratches. Serial 5480583545A (Takasaki Atsushi)
Maintenance information: 2025.10.14 sound output confirmed
Accessories: manual
Main specifications: Woofer with built-in amplifier, bass reflex, cutoff filter with ON/OFF switch, variable high cut filter (50 to 200 Hz) W243 x H496 x D442 mm 15.5 kg
The price has been drastically reduced! 2025/9/26 sales price 59,800 yen ※1 bottle only. A typical woofer attached to first-class products such as the Exclusive2402 and Westlake Audio. It is a highly stable model that can withstand professional use. The response speed is fast and the sound that makes it stand up well is attractive. The exterior is dirty, etc. Serial NC8461 (Fujisawa Yukishi)
Maintenance information: 2025.9.26 operation confirmed
Accessories: No accessories
Main specifications: 40cm cone woofer frequency characteristics 28 Hz to 1000 Hz 8 ohms (measured 7.9 ohms) output sound pressure level 97 dB dimensions diameter 400 mm x depth 167 mm 11 kg/1 unit
It's a rare and beautiful item! Subwoofer system with built-in power amplifier using Yamaha's unique YST system. The deep bass is thick and has a sense of volume, and is excellent for reproducing movies and live sound sources. It is a heavy structure using the same wood as GT racks. There is a slight scratch on the top plate on the exterior (Wang Zhan)
Maintenance information: 2025.10.11 Operation confirmed (sound check OK by sweeping)
Accessories: copy of instruction manual, remote control, original box
Main specifications: Floor-type anti-magnetic design amplifier output 120W cutoff frequency 30Hz to 130Hz power consumption 100W W580 x H440 x D440 mm 48 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/6/9 sales price 35,000 yen. *Currently sold. Professional use model equipped with an 18 inch unit. If you play it in combination with the company's JRX215, etc., you can enjoy a powerful and powerful sound. The input is the speakon only. There is a mark (small dent) that looks like something was placed on the top plate (Kanai Hidetsugu)
Maintenance information: 2025.6.8 operation confirmed
Accessories: instruction manual, speakon terminal
Main specifications: 4Ω 98dB W520 x H600 x D560 mm 36 kg
The price has been reduced. 2025/10/5 sales price 69,800 yen ※It's cheap because the left and right labels are different. 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. (MURAKOSHI Yoichi)
Maintenance information: 2025.10.5 sound output confirmed
Accessories: none
Main specifications: 38cm ferrite magnetic woofer, 97db, 8Ω, 20Hz to 1600Hz, weight 9.4 kg, baffle opening diameter 35.9 cm
A commercial model with a strong damper and a high allowable input. By replacing the 4343/4344 2235H with this unit, deep low frequency playback that is extremely tight is possible. There is dirt, rust on the frame, dullness, etc. (Oikawa Tetsuji)
Maintenance information: 2025.10.9 operation confirmed
Main specifications: 38cm cone woofer impedance 8 ohms sound pressure level 97 dB frequency band 30 Hz to 2 kHz recommended crossover frequency 1.2 kHz or less diameter 388 x depth 133 mm 10.1 kg/book
The price has been reduced. 2025/9/26 sales price 60,000 yen Altech's rare 30cm woofer. It was adopted by the company's 844A, MALIBU, etc. Uses Alnico magnets and accordion pleated edges. It is a rear mount type. There is peeling on the gasket, viscoid adhesion, and mold stains on the cone (Murakoshi Yoichi)
Maintenance information: 2025.9.25 sound output confirmed
Accessories: none
Main specifications: 16 ohms, 99 dB, 30 to 4,000 Hz, 30 watts
Dynaudio's classic 20cm cone woofer. It has a high resolution and is recommended for bookshelves, etc. The urethane on the back magnet side has deteriorated (Takahashi Nobuyuki)
Accessories: none
Main specifications: 20 cm cone type frequency characteristics 30 to 3,000 Hz sound pressure level: 88 dB
This is the current Polk Audio subwoofer that will be in stock for the first time at Hi-Fi. It is a well-balanced low range that can come in handy in medium to large home theaters and audio spaces. There are no noticeable scratches on the exterior. Serial PCKX062401185 (Tamura Eiji)
Maintenance information: 2025.9.25 sweep check OK
Accessories: instruction manual, power cable, saran net
Main specifications: front bass reflex type 25 cm mica reinforced polypropylene cone frequency response (-3 dB) 28 Hz to 250 Hz W331 x H438 x D419 mm weight 17.7 kg
※There is no operation problem, but it is sold as is. Fostex 20cm woofer It uses the latest diaphragm material and is equipped with a large ferrite magnet. The firm, bouncy bass is attractive, and goes well with jazz, rock, etc. There is dullness (Daiki Goto)
Maintenance information: 2025.9.24 Operation confirmed
Accessories: none
Main specifications: 20cm woofer screw pitch 212mm 8Ω playback frequency band FO to 5kHz output sound pressure level 90dB weight 4.65 kg
The price has been reduced. 2025/9/19 sales price 29,800 yen. The woofer used in the 2S-208 (R205). The crisp low frequencies are attractive. U205 baffle with tweeter capacitor It is in good condition for the model year (Murakoshi Yoichi)
Maintenance information: 2025.9.16 sound output confirmed
Accessories: none
Main specifications: 20cm cone woofer 16Ω 10W 60Hz-2kHz baffle opening diameter 180mm diameter 202.4 x D123mm 1.8 kg
※The remote control is out of stock, and there are many scratches overall, so it's cheap. A limited model of the YST-SW1000 subwoofer masterpiece. The sturdy construction with outstanding wood grain makes it possible to reproduce ultra-low frequencies from 16 Hz! Not only does it sink in the low frequencies, but it also has a sense of speed, so it also plays a role in improving sound quality in the mid to high frequencies. You can use either a speaker cable or an RCA line cable for the connection. The exterior has scratches, line scratches, etc. Serial 101340 (Yonejima Satoshi)
Maintenance information: 2025.9.17 operation confirmed
Accessories: No accessories
Main specifications: bass reflex floor type 30cm anti-magnetic woofer output 120W playback frequency band 16 to 160 Hz W580 x H440 x D440 mm weight 48 kg
※1 bottle only. A 30cm woofer unit attached to representative series from 4311B to 4312MK2. This unit is representative of JBL. It makes me feel the good overhang, which is typical of JBL. How about for spares etc. The logo plate is out of stock (Oikawa Tetsuji)
Maintenance information: 2025.9.11 operation confirmed
Accessories: none
Main Specifications: 30cm Woofer Unit Maximum Input: 75W Sound Pressure Level: 89dB Playback Frequency Band: 40 to 3kHz Recommended Cross: ~1.5 kHz Impedance: 8 ohms Diameter 310 x Depth 107 mm 6 kg
※1 bottle only. A 30cm woofer unit attached to representative series from 4311B to 4312MK2. This unit is representative of JBL. It makes me feel the good overhang, which is typical of JBL. How about for spares etc. The logo plate is out of stock (Oikawa Tetsuji)
Maintenance information: 2025.9.11 operation confirmed
Accessories: none
Main Specifications: 30cm Woofer Unit Maximum Input: 75W Sound Pressure Level: 89dB Playback Frequency Band: 40 to 3kHz Recommended Cross: ~1.5 kHz Impedance: 8 ohms Diameter 310 x Depth 107 mm 6 kg
*Currently sold. 30cm PA woofer Equipped with a frame manufactured with an economical die-cut chassis, this model has excellent cost performance. It is in good condition (Oikawa Tetsuji)
Maintenance information: 2025.9.20 Operation confirmed
Accessories: none
Main specifications: 8 ohms 94.6 dB diameter 305.6 mm x height 135.9 mm 5.35 kg
*Currently sold. Denon bass reflex subwoofer with built-in amplifier. It is a subwoofer that reproduces powerful deep bass with a maximum output of 100W (PEAK) (Oikawa Tetsuji)
Maintenance information: 2025.9.20 Operation confirmed
Accessories: instruction manual, power cable
Main specifications: W225 x H375 x D370 mm Weight 8.5 kg Playback frequency range 20 Hz-400 Hz
*Currently sold. Inexpensive due to dents in both centers. The tuning accurately reproduces the upper low frequencies from 45 Hz with good response, and it has a natural impression without any habit. In addition to the exterior, as described above, you can see a feeling of use such as dullness, dirt, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.9.16 Operation confirmed
Accessories: none
Main specifications: 30cm woofer rated input 60W maximum input 200W crossover 800 Hz or less frequency band 20 Hz to 1000 Hz sound pressure level 94 dB impedance 8 ohms weight 8.0 kg
The most important subwoofer is the combination with the JBL4312M. Not only does it work to supplement the low frequencies, but it is a nice product that can increase the sense of volume in the low frequencies with natural nuances. This design, which is irresistible for JBL fans, is also attractive. Small scratches and scratches can be seen on the top plate, and small holes in the saran net. Serial LS-01010703 (Fujisawa Yukishi)
Maintenance information: 2025.9.15 operation confirmed
Accessories: saran net
Main specifications: W270 x H437 x D387 mm 15.8 kg
The disposal price has been reduced! (Member prices are not applicable) 2025/7/8 sales price 5,000 yen*Currently sold. A handy subwoofer featuring a stylish wood-like design. It's a tight, deep bass with little sound. The exterior is dull, eccentric to VOL, etc., and a feeling of use can be seen. Serial 55Y0585927A (Tomonori Asaine)
Maintenance information: 2025.7.8 operation confirmed
Accessories: instruction manual
Main specifications: Woofer with built-in amplifier, bass reflex, cutoff filter with ON/OFF switch, variable high cut filter (50 to 200 Hz) W243 x H496 x D442 mm 15.5 kg
Currently sold. The downward-mounted woofer spreads deep bass in 4 directions, and you can experience low frequencies full of driving feeling. It is an inexpensive product with excellent cost performance. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.9.11 Operation confirmed (the back of the cabinet scares at a higher sweep frequency, but this seems to be the performance limit)
Accessories: none
Main specifications: built-in amplifier woofer output 75W woofer diameter 200mm W236 x H371 x D362 mm 13.0 kg