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Manuale per l’uso JBL VRX-AF

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Summary
  • JBL VRX-AF - page 1

    User ’ s Guide VRX932LAP VRX918SP VRX-AF VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 1 ...

  • JBL VRX-AF - page 2

    2 VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 2 ...

  • JBL VRX-AF - page 3

    3 P A TENTS VRX series products are manufactured and sold under U.S. patents 5,748,760; 6,1 12,847; 6,394,223; 6,847,726; 6,774,510; D483,743; and 6,768,806. CONTENTS Section 1. Safety Instructions 4 JBL DrivePack ® Declaration of Conformity 6 Section 2. Before Y ou Begin 7 Section 3. Introduction to The VRX932LAP 8 Section 4. Introduction to The ...

  • JBL VRX-AF - page 4

    4 IMPORT ANT SAFETY INSTRUCTIONS 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water . 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer's instructions. 8. Do not install near any heat ...

  • JBL VRX-AF - page 5

    5 THIS APP ARA TUS CONT AINS POTENTIALL Y LETHAL VOL T AGES. TO PREVENT ELECTRIC SHOCK OR HAZARD, DO NOT REMOVE DRIVEP ACK CHASSIS, INPUT MODULE OR AC INPUT COVERS. NO USER SERVICEABLE P AR TS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. W A TCH FOR THESE SYMBOLS The lightning bolt triangle is used to alert the user to the risk of electr ...

  • JBL VRX-AF - page 6

    6 SAFETY AND EMC COMPLIANCE SPECIFICA TIONS EN 55103-1:1997 Electromagnetic Compatibility - Product Family Standard for Audio, Video, Audio-Visual land Entertainment Lighting Control Apparatus for Professional Use, Part 1: Emissions EN 55103-1:1997 Magnetic Field Emissions-Annex A @ 10 cm and 1 M EN 55022:2003 Limits and Methods of Measurement of R ...

  • JBL VRX-AF - page 7

    7 The VRX Series loudspeakers covered by this manual are not intended for fixed installation in outdoor or high moisture environments. Moisture can damage the speaker cone and surround and cause corrosion of electrical contacts and metal parts. Avoid exposing the speakers to direct moisture. Keep loudspeakers out of extended or intense direct sunli ...

  • JBL VRX-AF - page 8

    8 ...

  • JBL VRX-AF - page 9

    9 VRX932LAP - 12", POWERED TWO-WA Y , LINE-ARRA Y LOUDSPEAKER SYSTEM FUNCTIONAL BLOCK DIAGRAM Frequency Range (-10 dB): 57 Hz - 20 kHz Frequency Response (±3 dB): 75 Hz - 20 kHz Coverage Pattern: 100º x 15º nominal Maximum Peak Output, SPL 1 136 dB SPL at 1m LF Driver: 1 x JBL 2262FF 305 mm (12 in) dual voice coil Differential Drive ® woof ...

  • JBL VRX-AF - page 10

    10 ...

  • JBL VRX-AF - page 11

    11 VRX918SP - 18" POWERED SUBWOOFER Frequency Range (-10 dB): 31 Hz - 180 Hz Frequency Response (±3 dB): 34 Hz - 120 Hz Maximum Peak Output, SPL1: 126 dB SPL at 1m LF Driver: 1 x JBL 2268FF 457 mm (18 in) dual voice coil Differential Drive ® woofer with neodymium-magnet Bandpass Nominal Impedance: LF: 2 x 2 ohms DPC-2 Internal Amplification ...

  • JBL VRX-AF - page 12

    12 INTRODUCTION T O THE JBL DRIVEP ACK ® DPC-2 INTEGRA TED AUDIO SYSTEM JBL DrivePack equipped loudspeakers are a family of fully integrated audio systems, coupling industry-leading loudspeaker technology to a combination of comprehensive digital signal processing and advanced amplifier technology , perfectly matched to the enclosures to deliver s ...

  • JBL VRX-AF - page 13

    13 AC POWER REQUIREMENTS JBL DrivePack DPC-2 systems are equipped with a DPC-2 multi-channel Dual-Bridged T echnology™ power amplifier and loudspeaker specific DSP electronics. The system requires appropriate AC power . CAUTION: In compliance with safety agency criteria and proper system operation, it is critical that the sys- tem installer obser ...

  • JBL VRX-AF - page 14

    14 Line V oltage Selection: DrivePack DPC-2 amplifier models feature a user-configurable dual-voltage international power supply and is easily set to the appropriate local AC Power Mains voltage supply . A 2-way slide switch is provided to select 100-120V AC or 200-240V AC operation, 50/60Hz. Before you set up your VRX900 Powered series speaker for ...

  • JBL VRX-AF - page 15

    INDICA T ORS 6. PEAK Red LED, detects excessive input signal. Reduce the input level if this LED lights excessively . The LED illuminates when overload is detected. 7. SIG Green LED, detects input signal, illuminates above the threshold set at -70 dBu. 8. POWER Blue LED - located near voltage select switch, illuminates when AC power is applied and ...

  • JBL VRX-AF - page 16

    16 CONNECT ORS 9. Audio In F-XLR Active 20K Ohm Balanced, 10K Ohm Unbalanced. Pin 2 Hot (Positive voltage produces outward cone motion of L.F . Transducers). 10. Audio Out M-XLR Passive Audio Pass-through. Pin 2 Hot (Positive voltage produces outward cone motion of L.F . T ransducers). 1 1. AC LINE INPUT Blue Neutrik PowerCon ® NAC3MP A A-type air ...

  • JBL VRX-AF - page 17

    The VRX918SP input panel features analog audio inputs and sophisticated onboard digital signal processing technology . Precision Bandpass limiting and automatic self-protection functions ensure maximum performance. CONTROLS 1. AUDIO OUT T wo-position push-button DSP preset selection switch, enables an 80Hz Hi-Pass filter (graph 1) or direct loop th ...

  • JBL VRX-AF - page 18

    18 INDICA T ORS 6. PEAK Red LED, detects excessive input signal. The LED illuminates when overload at any point is detected. 7. SIG Green LED, detects input signal, illuminates above the threshold set at -70 dBu. 8. POWER Blue LED - located near voltage select switch, illuminates when AC power is applied and unit is ready for operation. CONNECT ORS ...

  • JBL VRX-AF - page 19

    AMPLITUDE SHADING AMPLITUDE SHADING Amplitude shading is a technique that allows the coverage pattern of a loudspeaker array to be shaped by adjusting the relative acoustic output of some of the devices in the array . Most often, array shading involves only the mid and high-frequency sections of the array . In a simple system consisting of three VR ...

  • JBL VRX-AF - page 20

    20 ARRA Y CONFIGURA TION SELECT OR (ACS) Below is an example of applying the ACS in a three-speaker array . In this particular configuration, the ACS on the top speaker is set at +3 dB, the middle speaker at 0 dB, and the bottom speaker -3 dB. VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 20 ...

  • JBL VRX-AF - page 21

    SECTION 6: DEPLO YING THE SY STEM The VRX932LAP/VRX918SP are flexible speaker systems that can be deployed in ground-supported or suspended applications. The following information will help you set up your VRX932LAP/VRX918SP system safely and effectively . POLE AND TRIPOD SAFETY WARNINGS! When using stands or poles, be sure to observe the following ...

  • JBL VRX-AF - page 22

    22 DUAL VRX932LAP Unlike most conventional speakers, the VRX932LAP is designed so that a pair of speakers may be safely mounted onto a pole or tripod stand. For most applications, the forward socket of the dual angle pole socket will be used. This will tilt the lower of the two speakers at a 15° down-angle (providing coverage of the near listeners ...

  • JBL VRX-AF - page 23

    Correct use of all rigging hardware is required for secure system suspension. Careful calculations should always be performed to ensure that all components are used within their Maximum Load Limit before the array is suspended. Never exceed the maximum recommended load ratings. Prior to suspending the system, an expert, trained and experienced in f ...

  • JBL VRX-AF - page 24

    W ARNING: Do not use the older VRX932LA-AF array frame to suspend powered VRX932LAP or VRX918SP systems INST ALLING THE ARRA Y FRAME The array frame is attached to the internal rigging of the VRX900 system using the provided Quick Release Pins W ARNING: Do not use any substitute for these pins. 1. Begin by attaching the two side arms (A) to either ...

  • JBL VRX-AF - page 25

    25 GROUND-ST ACKED , UPWARD FIRING ARRA YS Applications such as covering stadium bleachers from the playing field may be addressed by installing the array frames to the bottom of the array . Up to four VRX932LAP loudspeakers may be locked together and ground stacked using the VRX array frame kit, as shown. W ARNING: Do not ground stack more than fo ...

  • JBL VRX-AF - page 26

    26 SECTION 8 : INTRODUCTION T O THE VRX-AF The VRX-AF is an array frame designed to be used for suspension of the VRX932LAPand VRX918SP loudspeaker systems. The optional array frame kit includes the following items: • 1 x center frame • 2 x side arms • 4 x quick release pins • 2 x drop levers • 2 x 3/8" shackles WORKING LOAD LIMIT Th ...

  • JBL VRX-AF - page 27

    27 JBL W ARRANTY AND INFORMA TION MAILING ADDRESS: JBL Professional 8500 Balboa Blvd. Northridge, CA 91329 USA SHIPPING ADDRESS: JBL Professional 8370 Balboa Blvd., Dock D Northridge, CA 91329 USA (Do not return product to this address without first obtaining prior authorization from JBL) CUST OMER SERVICE: Monday through Friday 8:00am - 5:00pm Pac ...

  • JBL VRX-AF - page 28

    JBL Professional 8500 Balboa Blvd. Northridge, CA 91329 USA Part Number: 364536-001 09/2007 VRX_Powered_UsersGuid#C77E6.qxp 9/21/07 5:05 PM Page 28 ...

Fabbricante JBL Categoria Portable Speaker

I documenti che otteniamo dal fabbricante del dispositivoJBL VRX-AF possono essere suddivisi in diversi gruppi. Questi sono tra gli altri:
- disegni tecnici JBL
- manuali per l’uso VRX-AF
- schede prodotto JBL
- opuscoli
- o etichette energetiche JBL VRX-AF
Tutti sono importanti, ma le informazioni più importanti dal punto di vista di utilizzo del dispositivo possono essere trovate nel manuale per l’uso JBL VRX-AF.

Un gruppo di documenti denominato manuali per l’uso, è anche suddiviso in tipi più specifici, come: Manuali di installazione JBL VRX-AF, manuali di manutenzione, brevi manuali o manuali utente JBL VRX-AF. A seconda delle esigenze, si dovrebbe cercare il documento necessario. Nel nostro sito web, puoi visualizzare il manuale più popolare per l'uso del prodotto JBL VRX-AF.

Manuali per l’uso simili

Manuale completo del dispositivo JBL VRX-AF, come deve essere?
Il manuale per l’uso, denominato anche istruzioni per l’uso, o semplicemente il manuale è un documento tecnico progettato per aiutare ad utilizzare JBL VRX-AF dagli utenti. I manuali sono di solito scritti da uno scrittore tecnico, ma in un linguaggio accessibile a tutti gli utenti JBL VRX-AF.

Il manuale per l’uso completo JBL, dovrebbe includere vari elementi di base. Alcuni di loro sono meno importanti, come ad esempio: copertina / pagina del titolo o pagina di autore. Tuttavia, la parte rimanente, dovrebbe fornire informazioni importanti dal punto di vista dell'utente.

1. Introduzione e la guida su come utilizzare il manuale JBL VRX-AF - All'inizio di ogni manuale, dovremmo trovare indizi su come utilizzare il documento. Dovrebbe contenere informazioni sulla posizione dell’indice JBL VRX-AF, FAQ o i problemi più comuni : i punti che sono più spesso cercati dagli utenti di ogni manuale
2. Indice - elenco di tutti i suggerimenti per JBL VRX-AF che possono essere trovati nel documento corrente
3. Suggerimenti su come utilizzare le funzioni di base del dispositivo JBL VRX-AF - che ci dovrebbe aiutare nei primi passi durante l'uso JBL VRX-AF
4. Troubleshooting - sequenza sistematica delle attività che vi aiuterà a diagnosticare e, successivamente, risolvere i problemi più importanti del JBL VRX-AF
5. FAQ - domande più frequenti
6. Dettagli di contatto Informazioni su dove cercare il contatto con il fabbricante / servizio JBL VRX-AF in un dato paese, se il problema non può essere risolto da noi stessi.

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