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<a href="http://www.jblpro.com/pub/obsolete/Acoustic_Lens_Family1.pdf" target="_self" title="Click to view JBL 2307 Conical Horn">
JBL 2307 Conical Horn
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The JBL 2307 horn, together with JBL 2308 slant-plate acoustic lens, comprises the JBL 2391.
</p><p>The 2391 will accept 25mm throat diameter drivers, and is intended for use in two or three frequency band systems where the length of throw does not exceed 9m.
</p><p>A crossover point of 1200Hz is recommended, however for short throw applications, the horn/lens assembly may be used for frequencies above 800Hz.
</p><p>Above 1200Hz the dispersion pattern is 80° horizontal and 45° vertical.
</p><p>Sensitivity 108dB
</p><p>Nominal Q=2.5 (2kHz octave band)
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