JBL 660GTI, 560GTI manual

Contents 560GTi/660GTi For More than 60 YEARS, JBL has Table of Contents There are Three Stages in Engineering Loudspeakers AT JBL PrototypingTesting EnglishLOW-DISTORTION Woofer TWEETERS, Waveguides and Optimal Frequency Response Listeners100 200 500 10K Bi-Amp Capable Tweeter Level Frequency Adjustment Contour Air Core CoilsDirectivity Index Design Axis Listening windowsSpecifications Page English 69mm 11/16 102mm 138mm 16mm 59mm 312mm 12-1/4300mm 11-13/16 52mm 7mm 11/3212x 16x 102mm 560GTi 660GTi BL TM Harman Consumer Group, Inc