The price has been drastically reduced. 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)
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
Maintained in 2021. 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
The price has been drastically reduced. 2024/11/26 Sales price 69,800 yen Maintenance completed! 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. Exterior, paint deterioration, dullness, rust, scratches, etc. can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.11.26 maintenance completed (diaphragm installation adjustment, pad dampener, mounting screw replacement, terminal contact part cleaning, ultrasonic cleaning of terminal dirt, insulation bushing replacement, diaphragm cleaning)
Accessories: original box, instruction manual
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. 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
※Inexpensive because it is in poor condition. Self-made 2way/3way enclosure. The size of the hole is different at the top, with an opening diameter of about 315 mm on the top and about 360 mm on the bottom. There are many peeling veneer, corner pads, scratches, etc. (Oikawa Tetsuji)
Accessories: none
Main specifications: W450 x H1056 x D480 mm approx. 33 kg