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JBL VT4880 - page 1
Array Applications Manual For models VT4889, VT4888, VT4887, VT4881, VT4880 ...
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JBL VT4880 - page 2
Page 2 TABLE OF CONTENTS PAGE GENERAL AMPLIFICATION NOTES & REQUIREMENTS…………………. 3 SUBWOOFER WIRING NOTES………………………………………………… 4 STANDARD AMPLIFICATION RACK LIMITER SETTINGS NOTES …………….……………………………..…….. 5 VT4887 & VT4881 TRANSDUCER COMPLEMENT.………… ...
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JBL VT4880 - page 3
Page 3 GENERAL AMPLIFICATION NOTES & REQUIREMENTS • For the purpose of this discussion: Crown MA series amplifiers are used below. HF indicates High Frequency drivers, MF indica tes Mid Frequency drivers, LF indicates Low Frequency drivers and VLF stands for Ve ry Low Frequency drivers (subwoofers). • Equivalent amplifiers can be used as su ...
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JBL VT4880 - page 4
Page 4 NOTES ON SUBWOOFER WIRING • VT4880: Users may choose to wire both 2258 ( 18”) components in parallel to one (1) channel of a MA-3600 or MA-5002 for (4) ohms load. In this case each amplifier channel drives one VT4880. If two VT4880 are wired in parallel, the load is two ohms and there will be no amplifier power headroom. • VT4881: User ...
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JBL VT4880 - page 5
Page 5 NOTES REGARDING LIMITER SETTINGS • The recommended limiter threshold settings pr ovide 3 dB of headroom before the component or bandpass peak voltage is reached. • The component or bandpass peak voltage is 6 dB above the voltage used at continuous maximum power. • These settings assume the use of a Crow n MA-5002 in stereo mode with in ...
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JBL VT4880 - page 6
Page 6 Amplifier Configurations: 4 x VT4887 & 2 VT4881 / 3 MA- 5002 Amplifier Channel Speakon NL8 Terminals Driving Nominal Impedance at Pins Amplifier Power Rating at Nominal Impedance Power Available to each Bandpass Bandpass Peak Voltage Vac Limiter Threshold dBu Pins 4± 4 x 2407H & 8 x 2104H 4Ω 1800W 900W 54V -3 Ch 1. MA-5002VZ Ch2. ...
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JBL VT4880 - page 7
Page 7 IM PORT A NT NO TES: All wiring conf igurations shown above use 8-c onductor s peak er cables t erm inated with Neutr ik NL8 "Speakons ". Ensure that each conduc tor in the c able is a m inim um of #13 AW (3-4 m m ). JBL VT4887: The MF & HF section of a VT 4887 has an inter nal passive c ross over network . =8 Ω Pins 4± This ...
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JBL VT4880 - page 8
Page 8 VT4888 Transducer Complement: Model Speakon NL8 Terminals Per box Nominal Impedance per transducer Nominal Impedance per Passband A ES Power 100 HR Rating per Transducer Peak Power Rating per Transducer Recommended Power per Passband HF 2431H Pins 4± x 2 8Ω 16 Ω 75W 300W 300W MF 2106H Pins 3± x 4 8 Ω 8 Ω 100W 400W 800W LF 2262H Pin ...
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JBL VT4880 - page 9
Page 9 Amplifier Configurations: 6 VT4888 / 4 MA-5002VZ Amplifier Channel Speakon NL8 Terminals Driving Nominal Impedance at Pins Amplifier Power Rating at Nominal Impedance Power Available to each Component Bandpass Peak Voltage Vac Limiter Threshold dBu Pins 4± 6 x 2431H 5.7 Ω 1300W 216W 56V -3 Ch 1. MA-5002VZ Ch2. Pins 4± 6 x 2431H 5.7 Ω 1 ...
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JBL VT4880 - page 10
Page 10 IM PORT A NT NOT ES: All wiring configur ations shown above use 8 -conductor speak er cab les term inated with Neutrik NL8 "Speak ons ". Ensure that each c onductor in the c able is a m inimum of #13 AW Guage (3-4 m m ). JBL VT 4888: The HF section of a VT4888 has two 2431H dr ivers (8 Ω ) wired in Series. =16 Ω Pins 4± The M ...
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JBL VT4880 - page 11
Page 11 VT4889 Transducer Complement: Model Speakon NL8 Terminals Per box Nominal Impedance per Transducer Nominal Impedance per Passband AES Power 100 HR Rating per Transducer Peak Power Rating per Transducer Recommended Power per Passband HF 2435H Pins 4± x 3 5.3 Ω 16 Ω 75W 300W 300W MF 2250H Pins 3± x 4 8 Ω 8 Ω 300W 1200W 1200W LF 2255 ...
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JBL VT4880 - page 12
Page 12 Amplifier Configurations: 6 VT4889 / 4 MA-5002VZ Amplifier Channel Speakon NL8 Terminals Driving Nominal Impedance at Pins Amplifier Power Rating at Nominal Impedance Power Available to each Component Bandpass Peak Voltage Vac Limiter Threshold dBu Pins 4± 9 x 2435H 5.7 Ω 1300W 145W 100V 2.5 Ch 1. MA-5002VZ Ch2. Pins 4± 9 x 2435H 5.7 ? ...
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JBL VT4880 - page 13
Page 13 IM PORT A NT NOT ES: All wir ing c onf igur ati ons s hown above use 8-c onduct or s peaker cabl es t er mi nated wit h Neutr ik NL8 "Speak ons". Ensure t hat eac h conduc tor in t he cabl e is a mi nim um of #13 AW Guage ( 3-4 m m) . JBL VT4889: The HF sec ti on of a VT4889 has thre e 2435H driver s ( 5.3 Ω ) w ired in S eries. ...
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JBL VT4880 - page 14
Page 14 VERTEC SYSTEMS SUSPENSION HARDWARE & ASSEMBLY NOTES Arrays of similar V ER T EC Model • Each V ER T EC model uses the matching m odel of Array Frame (VT488X-AF) or Short Frame (VT488X-SF) to create clusters of the same m odel. • These same frames can also be used to ground stack the various systems. Arrays of Combined V ER T EC Mode ...
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JBL VT4880 - page 15
Page 15 VERTEC SYSTEMS SUSPENSION FRAMES & HINGE BARS V ER T EC MODEL FRAME MODELS NOTES HINGE Part # VT4889 VT4889-AF VT4889-SF VT4800-UA VT4800-DA Standard long frame. 16 VT4889 @ 7:1 DF* Standard short frame. 16 VT4889 @ 7:1 DF Universal frame to hang any model to any m odel. Adapter frame to hang 4 VT4887 under VT4889 336892-001 (4889 FRONT ...
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JBL VT4880 - page 16
Page 16 VERTEC VT4888, VT4887, VT4881 SYSTEMS: SUSPENSION FRAMES ...
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JBL VT4880 - page 17
Page 17 VERTEC SYSTEMS: SUSPENSION HINGE BARS High-grade steel alloy hinge bars are used to couple adjacent boxes together. There are several different types. To ensure ease and proper inter-connection, make certain that the correct hinge bar model is matched to the appropriate Array Frame or Short Frame as well as the correct V ER T EC model. ...
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JBL VT4880 - page 18
Page 18 VT4889 with VT4887 attached using VT4800-DA ...
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JBL VT4880 - page 19
Page 19 TYPICAL 8-BOX HANGING ARRAY The VT4889 full size, the VT4888 mid size, and VT4887 compact line array elements can be suspended from either the “AF” (long) or “SF” (short) array frame. Shown here, eight VT4887 suspended from a VT4887-AF array frame. ...
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JBL VT4880 - page 20
Page 20 VERTEC SUPPORT TEAM DIRECTOR, TOUR SOUND David Scheirman Office phone: (818) 895-3458 Pager: (888) 861-1622 Email address: dscheirm@harman.com TOUR SOUND PRODUCT MANAGER Raul Gonzalez Office phone: (818) 830-8749 Mobile phone: (818) 802-9176 Email address: rgonzale@harman.com DIRECTOR, SYSTEM DEVELOPMENT Mark Engebretson Office phone: (818) ...
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