The classic model for professional 1" screwdrivers. It is installed in many of the company's 43 series, etc., and it is a driver that is easy to balance even when combined with various woofers and tweeters. There are small scratches, paint peeling, and there is some small corrosion on the diaphragm (Sasaki Shota)
Maintenance information: Maintained on 2012.8.11 (magnetic circuit overhaul, operation adjustment, replacement of sound absorbing urethane material)
Accessories: none
Main specifications: 1 inch driver, throat diameter: 25 mm, 16 ohms (measured 10/12 ohms), 118 dB, frequency characteristics, 800 Hz to 20 kHz, crossover frequency: 500 Hz or more, 5.1 kg
The price has been reduced! 2026/4/14 sales price 69,800 yen Maintained! JBL professional 1" screwdriver. It was also installed in the late 4344 model. It is a utility driver that can be used in either 2 or 3 ways because it has a sound with a firm outline, but it doesn't come out too much. The exterior is dull and faded. Also, the rubber ring is slightly loose. Serial 12242/12247 (Tamura Eiji)
Maintenance information: 2026.4.14 Maintained (vibration plate installation adjustment, pad dampener deterioration and insulation bushing deterioration replacement. Mounting screw rust replacement speaker terminal mounting position correction. DCR (1224 6.9 ohm vibrating plate without scratches) (12247 6,7 ohm vibrating plate without scratches))
Accessories: No accessories
Main specifications: 800 to 20,000 Hz 16 ohms recommended crossover 800 Hz 110 dB throat diameter 2.5 cm 4.8 kg
The disposal price has been reduced! Member prices are not applicable. 2026/2/23 sales price 290,000 yen Maintained! JBL's masterpiece 2 inch screwdriver. You can enjoy the rich sound built into a number of famous devices. In particular, the energy and density of the midrange are excellent, and the vocals are sensual. The treble that stretches without impacting your ears is also attractive. There is a slight dullness in the diaphragm. The exterior is in a beautiful category even when viewed from the model year (Oikawa Tetsuji)
Maintenance information: 2026.2.23 Maintained (vibration plate installation adjustment
Pad dampener mounting screws, insulation bushing deterioration replacement
DCR (27466 7.4 ohm vibrating plate scratch) (27409 6.8 ohm vibration plate scratch not) vibrating plate replacement)
Accessories: none
Main specifications: 2 inch driver frequency band 500 Hz to 10 kHz crossover 500 Hz or higher sound pressure level 108 dB impedance 16 ohms (measured 27466/7.4 ohms, 27409/6.8 ohms) diameter 180 x depth 130 mm weight 11.8 kg/bottle
Maintained! 1 inch driver unit with high efficiency, wide bandwidth, and excellent linearity. You can enjoy the thick, calm sound. In particular, wind instruments blow up very well. If you want to relax and listen to jazz, why don't you do it? You can see a feeling of use such as appearance, dullness, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.4.2026.3.30 maintenance completed (diaphragm installation adjustment, pad dampener deteriorated mounting screw rust replacement, terminal contact part cleaning. Terminal ultrasonic cleaning. Insulating bushing replacement)
Accessories: none
Main specifications: throat diameter 2.5 cm impedance 16 ohms sound pressure level 117 dB frequency characteristics 800 Hz to 15 kHz crossover frequency 500 Hz or more voice coil diameter/material 4.4 cm, aluminum diameter 114 x depth 98 mm 3.7 kg
The price has been drastically reduced. 2026/4/24 sales price 248,000 yen TAD treble driver. Compression driver technology carried over by ALTEC and JBL is faithfully reproduced with current precision processing technology. The sound skips well, and the sound is sharp and powerful. The maximum input has been improved to 500W, and you can expect sound quality unique to a hard TAD with good overhang. There is little deterioration of the pad and it is in relatively good condition. There are a few bumps on the exterior. (Eternal Future Fight)
Maintenance information: 2026.4.24 Operation confirmed
Accessories: none
Main specifications: Playback frequency band 500 to 22,000 Hz crossover 800 Hz 8 Ω beryllium diaphragm 109 dB triple slit rear type equalizer throat 2.54 cm W140 x H140 x D110 mm 6.4 kg
This is a mid-range horn driver system. Since it is for the mid-range, it does not produce high frequencies. It is used in speaker systems such as SENTRY III and SENTRY IVB, and is recommended for those thinking about 3-way.
Maintenance information: 2026.4.30 oscillator check OK
Accessories: none
Main specifications: 8 ohms 500 to 6,000 Hz, 105 dB, crossover 800 Hz, diameter 104 x depth 87 mm, weight 2.2 kg (driver only)
*Currently sold. SB AUDIENCE 1" compression driver. A high-performance resin called PEEK (polyether ether ketone) is used for the diaphragm, which suppresses the sharpness that sticks to the ears, which is common with metal diaphragms. If you've been looking for one, take this opportunity. You can see a feeling of use such as appearance, dullness, scratches, etc. (Asae Tomoho)
Maintenance information: 2026.4.27 sound output confirmed
Accessories: original box
Main specifications: 1 inch impedance, 8 ohms, 50 W, maximum input, 100 W, sensitivity: 107 dB, playback frequency band: 700 Hz to 20,000 Hz, recommended crossover frequency: 1.8 kHz or more, weight approx. 2.22 kg, outer diameter: 120 mm, depth: 61.46 mm, mounting hole: 4xM6
The price has been drastically reduced! 2026/2/21 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. Serial 110637, 110639 (Fujisawa Yukishi)
Maintenance information: 2026.2.21 Maintained (vibration plate installation adjustment. Pad dampener deterioration replacement. (Screw rust and insulation bushing deterioration replacement.)
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
※1 bottle only. Maintenance has been carried out, but since the diaphragm is damaged, it is inexpensive. JBL's masterpiece 2 inch screwdriver. You can enjoy the rich sound built into a number of famous devices. In particular, the sense of energy and density in the midrange is excellent, and the vocals are sensual. The treble that stretches without impacting your ears is also attractive. Serial 28236 (Tomoho Asaine)
Maintenance Information: 2025.8.25 Maintained Vibrating Plate Mounting Adjustment Pad Dampener and Mounting Screws Replacement Dispensing Terminal Contact Part Cleaning Terminal Ultrasonic Cleaning Insulating Bushing Replacement Vibrating Plate Dirt Cleaning
DCR (28236 7.8ohm vibrating plate with scratches)
Accessories: none
Main specifications: 2 inch driver frequency band 500 Hz to 10 kHz crossover 500 Hz or higher sound pressure level 108 dB impedance 16 ohms (measured 24342/9.2 ohms, 26006/9.0 ohms) diameter 180 x depth 130 mm weight 11.8 kg/bottle
The disposal price has been reduced. Member prices are not applicable. 2024/12/18 sales price 69,800 yen Maintained! JBL professional 1" screwdriver It was also installed in the late 4344 model. It is a utility driver that can be used in either 2 or 3 ways because it has a sound with a firm outline, but it doesn't come out too much. There is dullness and tape marks (Oikawa Tetsuji)
Maintenance information: 2024.12.18 maintained (SP terminal, internal wiring replacement, pad dampener deterioration replacement, low range, vibration plate mounting adjustment screw, replacement due to rust, DCR (28615 5/6 ohm vibration plate, no scratches) DCR (28670 5.8 ohm vibrating plate no scratches)
Accessories: none
Main specifications: 800 to 20,000 Hz 16 ohms recommended crossover 800 Hz 110 dB throat diameter 2.5 cm 4.8 kg
The price has been drastically reduced. 2025/3/30 sales price 59,800 yen ※The diaphragm has been replaced with DR16R2421. The classic model for professional 1" screwdrivers. It is installed in many of the company's 43 series, etc., and it is a driver that is easy to balance even when combined with various woofers and tweeters. The exterior has a small dent on one side of the diaphragm (Ryo Mizusaki)
Maintenance information: 2025.3.30 storefront operation confirmed
Accessories: none
Main specifications: 1 inch driver, throat diameter: 25 mm, 16 ohms (measured 10/12 ohms), 118 dB, frequency characteristics, 800 Hz to 20 kHz, crossover frequency: 500 Hz or more, 5.1 kg
The disposal price has been reduced. Member prices are not applicable. 2025/10/30 sales price 79,800 yen A driver horn that combines the company's 1-inch driver with an 18Sound horn and XT1086. The horn has an oval shape and is made of die-cast aluminum. The clear sound with good response is attractive. Please enjoy it according to your favorite woofer (Oikawa Tetsuji)
Maintenance information: 2025.10.16 Operation confirmed
Accessories: none
Main specifications: DE500:1 inch driver, 8 ohms, 107 dB input, 50/100 W, frequency characteristics, 1000 to 18000 Hz, recommended crossover, 1.5 kHz, W105 x D65 mm
XT1086:800 Hz cutoff frequency for 1 inch W260 x H215 x D126 mm
The disposal price has been reduced. Member discounts are not applicable. 2025/4/23 sales price 69,800 yen*Inexpensive because the rubber cover on the outer circumference is out of stock. Maintained! A coherent wave structure is used for the phase plug. It is designed so that the phase plug can be connected directly to the horn throat. A titanium diaphragm is used. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.4.23 maintenance completed (pad dampener replacement, speaker terminal screws and insulation bushing replacement)
Accessories: original box (2447H)
Main specifications: Throat diameter 3.8 cm, 16 ohms, frequency characteristics, 500 Hz to 20 kHz, 15.5 kg (actual measurement)