The disposal price has been reduced. Member discounts are not applicable. 2026/1/18 sales price 238,000 yen*Although maintenance has been completed, the paint has been greatly peeled off, so it is cheap. The input has been changed to a large terminal compatible with banana plugs. In addition to the exterior, as described above, you can see a feeling of use such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.1.16 Maintained (pad dampener, screw replacement, vibrating plate installation adjustment)
Accessories: mounting screws
Main specifications: 2 inch driver frequency band 500 Hz to 10 kHz crossover 500 Hz or higher sound pressure level 108 dB impedance 16 Ω (measured 24342/9.2 Ω, 26006/9.0 Ω) diameter 180 x depth 130 mm weight 11.8 kg/book DCR (20202 7.2 Ω, no vibration plate scratches, 20812 7.7 Ω vibrating plate scratches)
The disposal price has been reduced! (Member prices are not applicable) 2025/11/20 sales price 99,800 yen Maintained! JBL professional 2 inch screwdriver. It is an item that continues to be used today in large horn systems, etc. With the quality unique to titanium diaphragms, the vocal breathing and drum hi-hat, the outstanding realism is appealing no matter which one you take. The exterior is dull and dirty. Serial 023492/023566 (Tamura Eiji)
Maintenance information: 2025.11.20 Maintained (vibration plate installation adjustment, insulation bushing replacement. Vibrating plate mounting screw replacement. Ultrasonic cleaning of terminals. Pad dampener replacement. DCR (023492/7.4Ω vibrating plate no scratch) (023566/8.2 ohm vibrating plate no scratch)
Accessories: No accessories
Main specifications: 2 inch driver, slot diameter: 5 cm; allowable input: 100 W; sound pressure level: 111 dB; frequency characteristics: 500 Hz to 20 kHz; crossover frequency: 500 Hz or more; 16 ohms; diameter: 235 x depth: 132 mm; 13.6 kg/bottle
The price has been reduced. 2026/1/15 sales price 99,800 yen Altec 1.5-inch ferrite driver. A clear and powerful American sound. The wide-area characteristics unique to Altech resonate comfortably while being rounded and stretched quickly. Both diaphragms have a logo. The exterior is scratched and dull, and there is a feeling of use (Satoshi Yonejima)
Maintenance information: 2025.12.18 sweep check is good
Accessories: No accessories
Main specifications: 1.5 inch coaxial unit, 8 ohms, playback frequency band, 500 to 15,000 Hz, maximum input, 100 W, 13.8 kg
The price has been reduced. 2025/12/22 sales price 39,800 yen ※Currently sold. Since the diaphragm is not original, it is cheap. A typical Altec 1-inch driver mounted on Valencia and A7. The fact that it blows up without a ceiling is an appeal like no other. The sensitivity is also very high, and the vivid production is a first-class product. You can see a feeling of use such as appearance, dullness, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.12.20 Operation confirmed
Accessories: none
Main specifications: frequency characteristics, 500 Hz to 20 kHz, allowable input, 30 W, impedance, 8 ohms, output, sound pressure level: 107 dB, crossover frequency: 500 Hz or more, throat diameter: 25 mm, compatible horn: 511B, 811B, diameter 114 x D83 mm, 2.6 kg
The disposal price has been reduced. Member prices are not applicable. 2025/10/16 sales price 89,800 yen Maintained. JBL professional 2 inch screwdriver It is an item that continues to be used today in large horn systems, etc. The quality unique to titanium diaphragms makes the vocal breathing, drum hi-hat, and excellent reality no matter which one you take (Oikawa Tetsuji)
Maintenance information: 2025.10.16 Maintained (vibration plate installation adjustment, insulation bushing deterioration replacement vibration plate, terminal cleaning
Pad dampener replacement DCR (23523 7.7 ohm vibrating plate scratch) (23567 7.9 ohm vibration plate scratch free)
Accessories: none
Main specifications: 2 inch driver, slot diameter: 5 cm; allowable input: 100 W; sound pressure level: 111 dB; frequency characteristics: 500 Hz to 20 kHz; crossover frequency: 500 Hz or more; 16 ohms; diameter: 235 x depth: 132 mm; 13.6 kg/bottle
* Since there is no hexagon compatible with the screw, the lid cannot be opened, and the diaphragm cannot be checked, it is inexpensive and is currently sold. Coral mid-range and treble drivers are deeply popular. Please enjoy the delicate sound that is made in Japan. Also, it can be attached to a JBL 1-inch horn without using an adapter. There are small scratches overall (Oikawa Tetsuji)
Maintenance information: 2025.12.28 Operation confirmed
Accessories: none
Main specifications: throat diameter 25.4 mm (1 inch) playback frequency band 500 to 18,000 Hz impedance 8 ohms maximum input 150 W sound pressure 105 dB W116 x H116 x D104 mm 4.2 kg
The price has been drastically reduced! 2025/12/18 sales price 99,800 yen Altec 1.5-inch ferrite driver. A clear and powerful American sound. The wide-area characteristics unique to Altech resonate comfortably while being rounded and stretched quickly. Both diaphragms have a logo. The exterior is scratched and dull, and there is a feeling of use (Yonejima Satoshi)
Maintenance information: 2025.12.18 sweep check is good
Accessories: No accessories
Main specifications: 1.5 inch coaxial unit, 8 ohms, playback frequency band, 500 to 15,000 Hz, maximum input, 100 W, 13.8 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/12/14 sales price 450,000 yen Vintage 1950s Altec driver. While it has a very strong sense of energy, it is also uniquely easy to hear. If you have an Altec system from Yonematsu's early days, please take this opportunity! You can see the exterior, paint peeling, dullness, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.11.14 Maintained (the phosphor bronze plate on the outer drawer part was broken from the root → additional lead wires were soldered and connected. Distortion was confirmed in the sound output, so repair, stop the coil noise, and adjust centering)
Accessories: none
Main specifications: frequency characteristics 500 Hz to 12,000 Hz impedance 24 ohms sensitivity 115.2 dB allowable input 40 W recommended network N-500-C recommended crossover 500 Hz recommended horn H150/H804/1005B W165 D142 mm weight 9 kg
The price has been reduced. 2025/12/22 sales price 49,800 yen ※Currently sold. Since the age of the diaphragm is different on the left and right, it is inexpensive. Driver unit used in the ALTEC A7-8, etc. A Symbiotech diaphragm is used, and wideband playback is possible by combining it with an 811B sectional horn. A feeling of use can be seen on the exterior, dullness, rust, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.12.21 Operation confirmed
Accessories: none
Main specifications: 1 inch impedance, 8 ohms, frequency characteristics, 800 Hz to 20 kHz, allowable input, 50 W, depth: 83 mm, approx. 2.7 kg
The disposal price has been reduced. Member prices are not applicable. 2025/10/28 sales price 59,800 yen Maintained including diaphragm (16 ohms) replacement. Coral mid-range and treble drivers are deeply popular. Please enjoy the delicate sound that is made in Japan. Also, it can be attached to a JBL 1-inch horn without using an adapter. There are small scratches, paint peeling, etc. (Oikawa Tetsuji)
Maintenance information: 2025.10.9 maintained (diaphragm replacement, installation adjustment, impedance matching 16 ohm DCR (9965 10.8 ohm diaphragm small scratches) (9966 10.9 ohm diaphragm small scratches)
Accessories: none
Main specifications: Throat diameter 25.4 mm (1 inch) playback frequency band 500 to 18,000 Hz impedance 16 ohms maximum input 150 W sound pressure 105 dB W116 x H116 x D104 mm 4.2 kg
※There are slight dents and wrinkles on the diaphragm, so it is inexpensive. This is a 2 inch screwdriver used on late A5. The overwhelming sense of energy is attractive. The exterior has peeling paint and rust spots on screws, etc. Serial 01366/01400 (Tamura Eiji)
Maintenance information: 2025.12.12 maintained (disconnection repair → phosphor bronze plate folding repair. Magnetic circuit slit anti-corrosion, complete diaphragm maintenance)
Accessories: No accessories
Main specifications: ferrite magnet playback frequency band 500 to 15,000 Hz recommended crossover frequency 500 Hz impedance 16 Ω output sound pressure level 112 dB 13.8 kg/book
The disposal price has been reduced! (Member prices are not applicable) 2025/10/27 sales price 79,800 yen Maintained! A typical Altec 1-inch driver mounted on Valencia and A7. The fact that it blows up without a ceiling is an appeal like no other. The sensitivity is also very high, and the vivid production is a first-class product. The exterior is dull and oxidized. Serial 07690, 11088 (Fujisawa Yukishi)
Maintenance information: 2025.10.27 Maintained (vibration plate installation adjustment, operation confirmed)
Accessories: No accessories
Main specifications: frequency characteristics, 500 Hz to 20 kHz, allowable input, 30 W, impedance, 8 ohms, output, sound pressure level: 107 dB, crossover frequency: 500 Hz or more, throat diameter: 25 mm, compatible horn: 511B, 811B, diameter 114 x D83 mm, 2.6 kg
The price has been reduced. 2025/10/26 sales price 59,800 yen Maintained! Altec mid to high range drivers. The subtlety and expressiveness are truly ALTEC. It is a 1 inch driver that is easy to match with other manufacturers and is extremely easy to integrate. Ferrite magnet and tangerine phase plug adopted (Sasaki Shota)
Maintenance information: 2025.10.26 Maintained (diaphragm installation adjustment)
Accessories: none
Main specifications: playback frequency band 500 to 20,000 Hz, recommended crossover, 500 Hz, impedance 16 ohms (measured 11.8 ohms/12.2 ohms), diaphragm: aluminum throat diameter 25.4 mm, weight 2.9 kg
Yamaha's professional series mid-range driver unit with high input resistance. The diaphragm is made of a 66mm special aluminum alloy. Also, 0.15 mm beryllium copper etched on the edge is used to prevent damage due to fatigue. The exterior has threads and is dull (Sasaki Shota)
Maintenance information: 2025.11.16 Operation confirmed
Accessories: none
Main specifications: impedance 8 ohms, playback frequency band, 300 Hz to 12 kHz, recommended usage band, 500 Hz or more, 107 dB/Wm diaphragm, dome-shaped, aluminum alloy compatible horn, H-1230 (AD-3500 required), D-2230, outer diameter: 165 mm x height: 6.75 kg
※It is inexpensive because it is in poor condition such as rust and paint peeling. Maintained! Phenol resin impregnated diaphragms are used. Below is a calming sound that can be used from 300 Hz. The exterior has paint peeling, rust, and oxidation. Serial 14307/unknown (Tamura Eiji)
Maintenance information: 2025.11.13 Maintained (vibration plate installation adjustment, pad dampener and insulation bushing deterioration replacement. Replace the mounting screws. DCR (14037/10.3 ohm vibrating plate, no scratches) (serial No. unknown/8.6ohm vibrating plate scratch))
Accessories: screws
Main specifications: impedance 16 ohms (measured 10.3/8.6 Ω) sound pressure level 118 dB frequency characteristics 300 Hz or more diameter 178 x depth 136 mm 11.3 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/9/25 sales price 99,800 yen Altec green 1 inch driver 806A. It is a driver installed on famous aircraft such as Flamenco and Valencia. You can enjoy the extended mid-high range by combining it with the 811 horn and 511 horn. There is a feeling of use such as a small dent on one side of the diaphragm, paint peeling, etc. Serial 7387/7020 (Takasaki Atsushi)
Maintenance information: 2025.9.25 sound output confirmed
Accessories: none
Main specifications: Playback frequency band 500 to 20,000 Hz 16 ohms output sound pressure level 105 dB 2.68 kg/piece
The price has been drastically reduced. 2025/5/2 sales price 69,800 yen Maintained! Representative of JBL's 1-inch driver units. The playback band is wide, so you can enjoy changing the network cross freely. The toughness, sound pressure, and full-bodied mid-high range sound are attractive for slight input (Wang Zhan)
Maintenance information: 2025.5.2 maintained (vibration plate installation adjustment, pad dampener and mounting screws replaced. Insulating bushing replacement. Dispensing terminal contact part cleaning, vibration plate terminal contact part cleaning)
Accessories: none
Main specifications: 1 inch driver 500 to 20,000 Hz 8 ohms (DCR 40757/5.7 ohm 46314/5.8 ohm) W145 x D97 mm 5.1 kg/book
The price has been reduced. 2025/10/28 sales price 30,000 yen*Currently sold. Electro-Voice 1" Screwdriver It is compatible with the company's ADH-1, etc. There are many scratches and stains (Oikawa Tetsuji)
Maintenance information: 2025.10.28 Operation confirmed
Accessories: none
Main specifications: Playback frequency band 500 to 20,000 Hz, recommended crossover, 800 Hz, 8 ohms, 114 dB, diameter: 155 mm x depth: 99 mm, 4.8 kg (actual measurement)
The disposal price has been reduced. Member discounts are not applicable. 2025/7/24 sales price 99,800 yen Maintained! JBL professional 2 inch screwdriver It is an item that continues to be used today in large horn systems, etc. The quality unique to titanium diaphragms makes the vocal breathing, drum hi-hat, and outstanding realism no matter which one you take. There is dullness and partial paint peeling. Serial 82979/78248 (Kanai Hidetsugu)
Maintenance information: 2025.7.24 maintained (diaphragm installation adjustment pad dampener replacement, terminal ultrasonic cleaning DCR (82979 7.7 ohm diaphragm scratch, 78248 8.oohm diaphragm scratch not)
Accessories: Throat mounting screws
Main specifications: throat diameter 5 cm; allowable input: 100 W; sound pressure level: 111 dB/w/m; frequency characteristics: 500 Hz to 20 kHz; crossover frequency: 500 Hz or more; 16 ohms; diameter: 235 x depth: 132 mm; 13.6 kg/1
Maintained! A popular set of LE175 and HL87. An impressive 1-inch driver with a smooth, stretchy high range. Compared to the LE85, you can enjoy a natural sound with a sense of depth. As for the sound of a JBL, I get the impression that it is mild. There is a small paint chip on the exterior, and there is a small scratch on the diaphragm (Takahashi Nobuyuki)
Maintenance information: vibration plate installation adjustment, pad dampener and insulation bushing deterioration replacement mounting screws rust replacement vibration plate stain cleaning DCR (37839 6.2 ohm vibrating plate without scratches) (37947 6.3 ohm vibrating plate small scratches)
Accessories: none
Main specifications: LE175 1 inch driver impedance 8 ohm crossover 500 Hz 108 dB diameter 114 x 98 mm weight 4.1 kg HL87 2 kg for 1 inch crossover frequency 1200 Hz or more directivity 60° (cone) honeycomb W145 x H145 x D 173 mm
The disposal price has been reduced! Member discounts are not applicable. 2025/10/16 sales price 158,000 yen Maintained. A driver unit suitable for sound reproduction for large halls and theaters, modeled after the standard 2-inch 375. High frequency characteristics have been enhanced while retaining a vintage feel. The cymbals play a sound that makes you think of jazz. There is a small scratch on one side of the diaphragm (Oikawa Tetsuji)
Maintenance information: 2025.10.16 Maintained (vibration plate installation adjustment, pad dampener deterioration replacement, mounting screw rust, replacement insulation bushing, deterioration replacement terminal part, vibration plate dirt cleaning
DCR (25960 7.6ohm vibrating plate small scratch ant) (25874 7.6ohm vibrating plate scratch pear)
Accessories: none
Main specifications: frequency characteristics 500 to 18 kHz crossover 500 Hz 16 ohm actual measurement 8.5 ohm/8.1 ohm diameter 175 mm height 145 mm approx. 11.8 kg/bottle
The disposal price has been reduced! (Member prices are not applicable) 2025/10/11 sales price 158,000 yen ※The exterior is not good, but the diaphragm is relatively clean. Maintained! 2 inch throat driver 375 professional specifications Like the 375, this is a driver where you can fully enjoy the thick mid-range with rolled edges. In addition to small scratches on the diaphragm, there is a feeling of use such as scratches and dullness. Serial 21866/21866 (Jun Tamai)
Maintenance information: 2025.10.11 maintained (vibrating plate disconnection replacement and installation adjustment pad dampener mounting screw rust replacement terminal contact part cleaning insulation bushing deterioration replacement DCR 21861 8.4 ohm vibrating plate small scratch ant 20606 8.6ohm vibrating plate small scratch ant)
Accessories: none
Main specifications: 2 inch driver, Alnico magnet, 16 ohms, 500 Hz to 18,000 Hz, recommended crossover frequency: 500 Hz, diameter: 178 x depth: 137 mm, weight: 11.3 kg
The disposal price has been reduced. Member prices are not applicable. 2025/10/15 sales price 128,000 yen Maintained! * The body description is 288-8K, but the 16 ohm seal is attached, and the measured DCR is 13.2/12.4 ohms, so it seems that the diaphragm has been changed to 16 ohms. A 2 inch driver used in A5 systems, etc. A highly cost-effective gem with a full sense of density and volume in the midrange that cannot be experienced with a 1-inch driver. It is also recommended as an introduction to 2-inch drivers. There are seal marks, dullness, scratches, paint discoloration, etc. (Oikawa Tetsuji)
Maintenance information: 2025.10.15 maintained (vibration plate installation adjustment, one-side equalizer partial adhesive repair terminal bushing replacement terminal, vibration plate cleaning)
Accessories: none
Main specifications: 2 inch driver ferrite magnet voice coil diameter 2.8 inch impedance 13.2/12.4 Ω (measured) output sound pressure level 111 dB/w/m frequency band 500 Hz to 15,000 Hz maximum input 15 W 40 W (peak) recommended horn MR94/MR64 size 193 φ×D147 mm weight 13.8 kg recommended network N500F
Maintained! Coral mid-range and treble drivers are deeply popular. Please enjoy the delicate sound that is made in Japan. Also, it can be attached to a JBL 1-inch horn without using an adapter. There are scratches and paint peeling (Sasaki Shota)
Maintenance information: 2025.10.18 Maintained (vibration plate replacement adjustment pad dampener replacement. Screw rust replacement)
Accessories: none
Main specifications: Throat diameter 25.4 mm (1 inch) playback frequency band 500 to 18,000 Hz impedance 8 ohms maximum input 150 W sound pressure 105 dB W116 x H116 x D104 mm 4.2 kg
The price has been drastically reduced! 2025/9/26 sales price 89,800 yen 2435 HPL, which is rare in Japan, has arrived. It seems to be the equivalent of the 435Be used in the S9800. A beryllium diaphragm is used. It is a driver that reproduces high-speed sound images and a rich sense of sound field. Serial 42U-JBF, 42V-JBF (Fujisawa Yukishi)
Maintenance information: 2025.9.26 operation confirmed
Accessories: No accessories
Main specifications: 75mm diameter pure berylum compression driver impedance 8Ω playback frequency band 500Hz to 15kHz output sound pressure level 110dB recommended crossover frequency 800Hz outer diameter 110mm x depth 60mm
The price has been reduced. 2025/10/6 sales price 99,800 yen Driver unit used for A7 etc. Wideband playback is possible by combining it with a 511B horn and an 811B horn. If you are aiming for a clear and firm sound, this is a model you can't miss. You can see a feeling of use such as appearance, dullness, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.10.5 operation confirmed
Accessories: none
Main specifications: Playback frequency band 500 to 20 kHz impedance 8 ohms crossover frequency 500 Hz sound pressure level 110 dB weight 3.2 kg
Although it is expressed as 32 ohms, it seems that the diaphragm contains a 16K one. In addition to the overwhelming energy, the plumpness typical of late ferrite models is also attractive. There are scratches, seal marks, etc. (Daiki Goto)
Maintenance information: 2025.10.9 operation confirmed
Accessories: none
Main specifications: 32 ohms (01027 side 25.5 ohm actual measurement/01072 side 26 Ω actual measurement) ferrite magnet playback frequency band 500 to 15,000 Hz recommended crossover frequency 500 Hz output sound pressure level 112 dB 13.8 kg/book
※1 bottle only. Although it is expressed as 32 ohms, it seems that the diaphragm contains a 16K one. In addition to the overwhelming sense of energy, the plumpness typical of late ferrite models is also attractive. There are scratches, seal marks, etc. (Oikawa Tetsuji)
Maintenance information: 2025.10.9 operation confirmed
Accessories: none
Main specifications: 32 ohms (measured 13 ohms) ferrite magnet playback frequency band 500 to 15,000 Hz recommended crossover frequency 500 Hz output sound pressure level 112 dB 13.8 kg/book
The price has been reduced. 2025/4/17 sales price 69,800 yen 2021 maintenance completed. An impressive 1-inch driver with a smooth, stretchy high range. Compared to the LE85, the sound is natural and has a sense of depth (Daiki Goto)
Maintenance information: 2021.11.2 Maintained (diaphragm installation adjustment. Insulating washers, screws, and pad dampeners replaced. DCR (15295/6.2 ohm diaphragm undamaged) DCR (15304/6.2 ohm diaphragm undamaged)
Accessories: none
Key Specifications: 1 inch driver, 8 ohm, crossover, 500 Hz, 108 dB, diameter: 114 x D98 mm, weight: 4.1 kg
※1 bottle only. A 2 inch driver used in A5 systems, etc. Although it is an 8 ohm specification, the actual measurement is 18.4 ohms. A highly cost-effective gem with a full sense of density and volume in the midrange that cannot be experienced with a 1-inch driver. It is also recommended as an introduction to 2-inch drivers. There is a feeling of use on the exterior, such as paint peeling and sticker marks (Mizusaki Ryo)
Maintenance information: 2025.10.5 sound output confirmed
Accessories: none
Main specifications: 2 inch driver ferrite magnet voice coil diameter 2.8 inch impedance 18.4 Ω (measured) output sound pressure level 111 dB/w/m frequency band 500 Hz to 15,000 Hz maximum input 15 W 40 W (peak) recommended horn MR94/MR64 size 193 φ×D147 mm weight 13.8 kg recommended network N500F