Maintained! 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 (Eternity Miraito)
Maintenance information: 2025.11.14 Maintained (one side is not original, so it was replaced and adjusted to JBL's original D16R2420
Pad dampener, vibrating plate mounting screw rust replacement
Insulating bushing deterioration replacement
DCR (25555 5.6 ohm vibrating plate, scratch pear)
(25561 5.3 ohm vibrating plate with no scratches))
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