Acoustic Lens – Wave Lens

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4-Way speakers Technics SB G500 with acoustical lens

If you’ve been wondering what is that funny looking thing on most of vintage JBL speakers and wanna find out more please read.
Acoustic lens is a uniquely shaped and diffuses high-frequency sound waves horizontally and vertically while maintaining crystal clear and extremely comfortable sound.

JBL catalogue with acoustical lens (from mid 70’s)
JBL_Acoustic_Lens_Family

Pioneer still uses Acoustic Lens with their PA / Cinema systems
http://pioneerproaudio.com/en/products/gs_wave/wav_lens.html

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