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Technical Notes Vol. 1, No. 2 70-Volt Distribution Systems Using JBL Industrial Series Loudspeakers Theory of Line Distribution Systems In a typical paging, background music, or noise-masking system,
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( DEL Fi5. 2-4 Fi. 4-1 Fi5. 4-2 Fi5. 4-;L Fiez.4-4 Fi5. 4-5 Fi. 4-6 Fi. 4-7 Fi. 1-1 Fi. 1-2 Fi5. 2-1 Fi-1 Fis;.2-2 to5-4 Fi. 5-5 to 5-13 Table 2-1 Removing and Opening the Subassemblies 148 CormterY7
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Technical Notes Volume 1, Number 3 Choosing JBL Low-Frequency Transducers A. INTRODUCTION When JBL converted its low-frequency transducers from Alnico-V magnets to SFG ferrite structures in 1978, we t
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Technical Notes Vof. 1, No. 5 Introduction: In order to facilitate the specification of JBL systems exhibiting flat power response, all JBL passive dividing networks have been redesigned to include HF
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Technical Note Vol. 1, No. 10 Use Of The 46120K, 4671 OK, And 4660 Systems in Fixed instaiiation Sound Reinforcement Introduction: For many small and medium scale sound reinforcement applications, pre
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T e c h n i c a l N o t e s V o l u m e 1 , N u m b e r 6 JBL High-frequency Directional Data in Isobar Form 1. Introduction: This Technical Note presents directional data on JBLs high-frequency horns
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Performance Parameters of JBL Low-Frequency Systems Introduction This technical note will enable sound contractors and consultants to specify JBL LF enclo sures, transducers and packaged systems to fi
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Technical Notes, Volume 1 Number 12B Polarity Conventions of JBL Transducers and Systems Introduction: For most of JBLs existence, the company has designed many transducers and systems with a polarity
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Technical Notes Volume 1, Number 7 In-line Stacked Arrays of Flat-front Bi-Radial Horns Introduction: Where excellent vertical pattern control in the 500 Hz range is desired, system designers will usu
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Technical Notes Vol. 1, No. 4 Constant Directivity Horns L Introduction: In the last three years, constant directivity horns have virtually replaced the older radial and multi-cellular types in large-
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Technical Note Volume 1, Number 15 INTRODUCTION: The purpose of this Technical Note is to offer selection criteria for both large and small monitor loudspeakers. Since early 1984, JBL and UREl monitor
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A. Introduction: JBLs low frequency (LF) transducers tall into three major categories, based on their relative efficiencies. Those models in the lowest efficiency category exhibit high linearity and a
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Introduction: When Jim Lansing founded JBL in 1946, he brought with him a number of traditions devel- oped during his previous years at Lansing Manufacturing Company and at Altec-Lansing Corporation.
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