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Manual JBL 328CT

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Summary
  • JBL 328CT - page 1

    C o n t r o l 3 2 1 C / C T C o n t r o l 3 2 2 C / C T C o n t r o l 3 2 8 C / C T C o n t r o l 3 1 2 C S User’ s Guide 300 Ser ies ...

  • JBL 328CT - page 2

    T ABLE OF CONTENTS Product Description Product Feature Identification Wiring Instructions Control 328C/CT System Assembl y Control 321C/CT , Contr ol 322C/CT & Control 312CS System Assembl y P ainting the Grille Maintenance Accessories Contacting JBL Prof essional Specifications 3 4 5 7 8 10 10 10 10 11 JBL Prof essional Control 300 Series ...

  • JBL 328CT - page 3

    3 Control 321C - A coaxial design that f eatures a 12” K evlar- reinf orced cone on the woofer coupled with JBL Prof essional’ s 2412 Compression Driver . The Contr ol 321CT offers the same driver compliment as the Control 321C b ut also includes a multi- tap transf or mer for use on 70V or 100V line distrib ution systems. Control 322C - A coax ...

  • JBL 328CT - page 4

    4 JBL Prof essional Control 300 Ser ies PR ODUCT FEA TURE IDENTIFICA TION (Control 322CT Shown) T ransf or mer Compression Driver W oof er F rame Baffle Crossov er Network T uning P or t T ube EZ-Rail™ Baffle T uning P or t Crossov er Network Dust Cap W oof er T uning P or t T ube ...

  • JBL 328CT - page 5

    5 JBL Prof essional Control 300 Ser ies WIRING INSTR UCTIONS Guide to Connection Pins on Low Impedance Models (Control 321C, 322C, 328C & 312CS) -- The remov able locking input connector contains 4 ter minals, as mar ked on the connector . The pin functions for the Control 328C, 328C and 322C are listed on the label located on the crossov er fr ...

  • JBL 328CT - page 6

    6 JBL Prof essional Control 300 Ser ies WIRING INSTR UCTIONS 2.) Using Loop-Through T erminals (Pins 2 & 3) -- By connecting the wire pair of the subsequent speaker to pins 2 & 3, then all subsequent speakers will be disconnected when this speaker’ s connector is disconnected dur ing troubleshooting . This can be useful as a wa y to isola ...

  • JBL 328CT - page 7

    CONTR OL 328C/CT SYSTEM ASSEMBL Y 7 JBL Prof essional Control 300 Ser ies Ceiling Preparation - Cut a 12.2 inch (310 mm) diameter hole in the ceiling to allow sufficient room for the loudspeaker baffle . Assembling the Control 328C/CT into the Back Can - After inser ting the Control 328C/CT into the back can, align the mouting holes without weld ...

  • JBL 328CT - page 8

    8 JBL Prof essional Control 300 Ser ies CONTR OL 321C/CT , 322C/CT & 312CS SYSTEM ASSEMBL Y Assembling the Control 321C/CT , 322C/CT or 312CS into the Back Box - First, line up the EZ-Rail™ with one of the back box flanges containing a singular mounting hole . F or orientation when holding the speaker ov erhead, two (2) embossed arrows on th ...

  • JBL 328CT - page 9

    CONTR OL 321C/CT , 322C/CT & 312CS SYSTEM ASSEMBL Y The backcan m ust be secured to the b uilding structure by qualified personnel in accordance with saf e installation practices . Use suspension mater ials, connection fixturing, and methods that are appropr iate f or the building structure and installation conditions. Emplo y a minimum 5:1 s ...

  • JBL 328CT - page 10

    10 JBL Prof essional Control 300 Ser ies A CCESSORIES, MAINTENANCE & CONT A CTING JBL P ainting the Grille -- Control 300 Ser ies Grilles f eature a powder coated, satin finish paint (RAL 9016 - P antone equivalent 11-0602TPX) and can be painted to match any decor . This should only be done when the grilles hav e been remov ed from their louds ...

  • JBL 328CT - page 11

    SPECIFICA TIONS 11 JBL Prof essional Control 300 Ser ies Control 328C/CT F requency Range (-10 dB) 1 : 45 Hz – 18 kHz F requency Response (±3 dB) 1 : 60 Hz – 16 kHz Cov erage P atter n 2 : 120º conical, broadband (Avg 1k - 16kHz) Long-T er m System Po wer Rating, IEC 3 : 250 W (1600 W peak), 2 hrs 150 W (1000 W peak), 100 hrs Sensitivity (2.8 ...

  • JBL 328CT - page 12

    363816-001 8500 Balboa Boule vard Nor thridge, CA 91329 USA Visit us online at www .jblpro .com 300 Ser ies ...

Manufacturer JBL Category Speaker

Documents that we receive from a manufacturer of a JBL 328CT can be divided into several groups. They are, among others:
- JBL technical drawings
- 328CT manuals
- JBL product data sheets
- information booklets
- or energy labels JBL 328CT
All of them are important, but the most important information from the point of view of use of the device are in the user manual JBL 328CT.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals JBL 328CT, service manual, brief instructions and user manuals JBL 328CT. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product JBL 328CT.

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A complete manual for the device JBL 328CT, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use JBL 328CT by users. Manuals are usually written by a technical writer, but in a language understandable to all users of JBL 328CT.

A complete JBL manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual JBL 328CT - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the JBL 328CT, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the JBL 328CT, that we can find in the current document
3. Tips how to use the basic functions of the device JBL 328CT - which should help us in our first steps of using JBL 328CT
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with JBL 328CT
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of JBL 328CT in a specific country, if it was not possible to solve the problem on our own.

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