div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documental-tec-sound-products-division-816a-low-frequency-horn-2017-7-24-the-low-frequencyhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: AL-TEC SOUND PRODUCTS DIVISION 816A LOW-FREQUENCY HORN · 2017 7 24 · The low-frequency loudspeaker enclosure shall be a combination front-loaded horn and bass reflex type providing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsinreader035viewer20220714156110645ca172a747cb71b21dhtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documental-tec-sound-products-division-816a-low-frequency-horn-2017-7-24-the-low-frequencyhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: AL-TEC SOUND PRODUCTS DIVISION 816A LOW-FREQUENCY HORN · 2017 7 24 · The low-frequency loudspeaker enclosure shall be a combination front-loaded horn and bass reflex type providing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsinreader035viewer20220714156110645ca172a747cb71b21dhtml5thumbnails2jpg width=140 height=200 divdiv