JBL Incorporated, Balboa Boulevard, P.O. Box , Northridge, California U.S.A.. JBL M/HF-T. REV A. PACKAGE. WIRING DIAGRAM. The JBL T 3-Way Tri-Amplified ScreenArray Cinema Loudspeaker System is designed to deliver critical sound reproduction in medium to large cinemas. JBL JBL Professional. PA SKU # JBL MFR # Support The ScreenArray features true three-way system design enhanced for critical film.
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JBL 4732-T Speaker
That was probably 20 years ago. The spec sheet also reveals that there is a UHF driver that has a x dispersion pattern.
How do you mix 90 x 50 with x ? There should be a splay of approximately 35 to 45 degrees between cabinets and the final splay should jvl based on measurements.
JBL SRX Fly Version Crossover – Speaker Exchange
A 90 x 50 degree horn might really be a 92 x 472 or a 88 x The splay should avoid holes in frequency response between cabinets but it should avoid overlap that causes comb filtering. The cabinets more than 1 should be delay corrected in order to line them up. Where do you put the mic to measure the delay time between 2 cabinets that are splayed correctly? That is a question I will have to answer once I have a bit more experimentation under my belt. I will ask someone who splays similar cabinets for a living and measures their response.
In the meantime, here is the way the PA was configured this evening for an outdoor show. The Model J is a 1. In addition to improving performance, the 1. The Coherent Wave phasing plug structure has four equal length passages to provide in-phase summation of diaphragm output at the 1. This optimized configuration produces coherent acoustical power up to much higher frequencies than more conventional designs.
This provides predictable normal resonance modes, and radial reinforcing ribs increase diaphragm stiffness. High temperature voice coil former materials and adhesives enable the J to handle high power levels over extended periods of time. The voice coils themselves are identical to previous JBL models, so that impedance and network matching will be the same.
The model J is ruggedly constructed to withstand the rigors of both fixed installations and touring applications. All tolerances are held to the same high levels traditionally associated with JBL designs. Bjl JBL manufacturing process permits the use of rim-centered diaphragms for instant interchangeability and ease of field service.
Mounting Type4-Bolt Exit Diameter1. Professional Series Key Features: The uniform coverage nbl the horn is illustrated by the detailed polar data and the isobar constant sound pres- sure contours included in this speci- fication sheet.
The polar curves of the exhibit soft-edge pattern charac- teristics, due to the gradual drop-off of level with increasing off-axis angle.