This is a popular TAD 2-inch driver that allows you to enjoy a powerful sense of energy in the exhilarating high frequency range and the sound field that spreads naturally. You can enjoy precise vocals and sharp sounds with beryllium diaphragms and expensive Alnico magnets. There are a few threads on the exterior. Serial BH1589/BJ1770 (Tamura Eiji)
Maintenance information: 2026.5.17 sweep check OK
Accessories: fixing screws
Main specifications: Mid-high range driver, beryllium diaphragm, aperture 49.2 mm, 600 to 20,000 Hz, recommended crossover frequency 600 Hz, alnico magnet impedance 16 ohms, efficiency 110 dB, W178 x H178 x D156 mm, 12.6 kg