38cm cone type full range unit from JBL. Unlike modern heavy bass, it reproduces bright and light low frequencies. This is a standard unit that can make many types of sound depending on a screwdriver or tweeter that is sharp and can be adjusted. The exterior has discolored corn paper, stains, and stains on the center cap (Mizusaki Ryo)
Maintenance information: 2023.6.9 sound output confirmed
Accessories: none
Main specifications: 38 cm cone type full range unit Alnico 8 ohms (actual measurement 6.0/6.2 ohms) 103 dB recommended enclosure volume 114 to 338 L frequency characteristics 50 to 6,000 Hz screw pitch (diagonal) 370 mm 7 kg