JBL professional tweeter. Since it is designed to send sound far away, it is solid and has straighter sound quality compared to the company's consumer model 077. It makes the mid to high frequencies vivid, and finishes the low frequencies with a tight sound. The exterior is oxidized and dirty. Serial 31118/31415 (Miura Kimiya)
Maintenance Information: 2023.6.27 Operation confirmed
Accessories: There are no accessories
Main specifications: horn type tweeter impedance 16 ohms playback frequency band 6,500 to 21,500 Hz crossover 7 kHz efficiency 105 dB W100 × D84 mm 3 kg/book