JBL 2231 15in 380mm Low Frequency Transducer (1978)
The Model 2231 low frequency loudspeaker provides accurate, solid low-frequency reproduction Designed with free air resonance below the range of hearing, the 2231 has exceptional deep bass response and requires very litlle enclosure volume. Compared lo other loudspeakers having similar sensitivity, its frequency response is unusually linear, varying only ±2 dB from 40 Hz to 800 Hz When housed in a properly constructed enclosure, the 2231 will exhibil exceptional efficiency and transient response as well as t11e ability to handle sustained signals at high power levels without danger of mechanical damage or excessive distortion.
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