Vol.1No.10

1、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。

2、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。

3、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。

4、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. 。

5、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。

6、Technical Notes Vol. 1, No. 1 Performance Parameters of JBL Low-Frequency Systems Introduction This technical note will enable sound contractors and consultants to specify JBL LF enclosures, transduce。

7、Technical Notes Volume 1, Number 12 Polarity Conventions o f JBL Transducers and Systems 1. Historical Background: When James B. Lansing left Altec Lansing in 1946 to form what is now known as JBL Inc。

8、Technical Notes Volume 1, Number 8 Characteristics of High-Frequency Compression Drivers 1 Introduction: When a professional sound contractor or acoustical consultant specifies a JBL 2445 driver over 。

9、Technical Notes Volume 1 , Number 11 Controlled Power Response: Its Importance in Sound Reinforcement System Design Introduction: Until the development in the last decade of uniform coverage HF horns 。

10、Technical Notes Volume 1, Number 13 JBL Concert Series Complete Sound Systems Introduction The JBL Concert Series consists of loudspeaker systems and pre-packaged amplification and loudspeaker signal 。

11、Technical Notes Volume 1 Number 18 Vented Gap Cooling in Low Frequency Transducers Introduction: JBLs ongoing research into low frequency transducer design has led to a new, more efficient method for 。

12、Technical Notes Volume 1, Number 14 Basic Principles for Suspending Loudspeaker Systems Introduction: Contractors and sound installers hang loudspeaker equipment in public meeting places and performin。

13、Technical Notes Volume 1, Number 22 JBLs New Super Vented Gap Maximum Output Low Frequency Transducers Introduction: Super Vented Gap (SVG) technology is the latest development in JBLs on-going improv。

14、Technical Notes Volume 1, Number 9 Distortion and Power Compression in Low-frequency Transducers 1 Introduction: All too often, consultants and sound contractors are concerned with only the Input powe。

15、Technical Notes Volume 1, Number 23 JBLs HLA Series Loudspeaker Systems and DCD Transducers Introduction: HLA stands for horn loaded array and is JBLs name for a revolutionary new series of loudspeake。

16、Technical Notes Volume 1, Number 16 Power Ratings of JBL Loudspeakers and JBL/UREl Amplifiers Introduction and Scope of this Technical Note: JBL and UREI manufacture both loudspeakers and amplifiers, 。

17、Technical Note, Volume 1, Number 21 JBLs New Optimized Aperture Horns and Low Distortion Drivers Introduction: Except in their initial historical development, high frequency horns and their associated。

18、Introduction: The desired performance features for dedicated midrange cone transducers are: 1. Extended power response; rising axial response 2. High electromechanical coupling (high efficiency) 3. Ba。

19、1. Introduction: The purpose of a sound system is to trans- mit information. In the case of public address, paging, voice alarm and speech reinforcement systems the object is to transmit intelligible 。

20、1 Technical Notes Volume 1, Number 29 JBL Precision Directivity PD700 Series Co-Axial Mid/High Speaker Systems Background: In very large fixed installations, such as sports arenas, large houses of wor。