JBLTechnicalNote-Vol.1No.29电路原理图

1、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。

2、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。

3、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。

4、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。

5、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。

6、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。

7、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. 。

8、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。

9、Technical Notes Volume I, Number 19 Sub-Bass Systems Using Triple Chamber Bandpass (TCB) Technology: 1. Introduction: Most users of JBL products have a basic knowledge of how a simple ported low-frequ。

10、1 Technical Notes Volume 1, Number 25 Using HLA 4895 modules in arrays: system controller guidelines Introduction: The HLA 4895 3-way module has been designed for use in conjunction with th。

11、The Precision Directivity PD5000 family of products offered by JBL Professional is a ver- satile product line allowing a sound designer numerous ways to implement arrayed solutions for houses of worsh。

12、Technical Notes Vol. 1, No. 17 Measurement and Interpretation of Loudspeaker Polar Data: A Comparison of JBL Constant Coverage Bi-Radial Horns and EV HP Large Format Horns Introductions Recent polar m。

13、1 Technical Notes Volume 1, Number 31 Progressive TransitionTM (PT) Waveguides Background: The modern constant-directivity horn has evolved slowly since its introduction over 25 years ago. Advances in。

14、 1 Technical Notes Volume 1, Number 27 Signal Processing Guidelines for VT4889 VERTEC? Line Array Systems Introduction: VT4889 line array elements can be used in a wide variety 。

15、1. Introduction: JBL Professional introduced the Differential Driveconcept in the EON System in 1995 as a means of attaining maximum system perform- ance with minimum weight. Compared with tra- dition。

16、Technical Notes Volume 3, Number 2: JBLs New LSR Mid-Field Monitors 1. Introduction and Basic System Description: As the digital recording community con- templates higher sampling rates and greater re。

17、 1 Technical Notes Volume 1, Number 35 CBT Constant Beamwidth TechnologyTM Introduction Column loudspeakers have become an important form factor for loudspeake。

18、1 Technical Notes Volume 1, Number 30 Cone Midrange Compression Drivers (CMCD) Introduction: Throughout the history of professional audio it has been realized there are distinct performance advan- tag。

19、Introduction: JBL/UREIs dual channel amplifiers answer a long standing need for reliable, cost effective designs. They are intended for all applications involving JBL transduc- ers and loudspeaker sys。

20、Technical Notes Vol. 2 , No. 1A 1/3 Octave Equalization and The JBL/UREI 5547A and 5549A Introduction: The use of one-third octave graphic equalizers in the audio world has expanded rapidly in the las。