375

About the 375

The JBL 375 is a classic midrange compression driver introduced around 1954, featuring a 5 cm (2 inch) throat diameter and a large 10.2 cm (4 inch) edgewound aluminum ribbon voice coil. It has a powerful 10.8 kg (23.8 lb) magnetic assembly with a magnetic flux density of 20,500 gauss, enabling it to reproduce steep waveforms with explosive loudness and high efficiency. The driver operates effectively in the frequency range of 500 Hz to 10 kHz and has a nominal impedance of 16 ohms. It is capable of handling 60 watts continuous program power and has a sensitivity of approximately 108 dB at 1 kHz when mounted on a horn. The unit weighs about 26 lbs and measures approximately 7.09 inches in diameter by 5.12 inches in height. The 375 is known for its rich sound and has been used in many famous audio systems. It is compatible with various JBL horns such as HL88, HL89, HL90, and HL93, all with a 5 cm throat diameter. The driver is highly collectible and considered a masterpiece in vintage JBL components.