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Table of Contents
- 1 Table of Contents
- 2 Product Description
- 3 Product Feature Identification
- 4 Wiring Instructions
- 5 Control 328C/CT System Assembly
- 6 Control 321C/CT, Control
- 7 322C/CT & Control 312CS
- 8 Painting the Grille
- 9 Maintenance
- 10 Accessories
- 11 Contacting JBL Professional
- 12 Specifications
- Download this manual
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Table of Contents
Related Manuals for JBL 300 Series
Summary of Contents for JBL 300 Series
- Page 1 User’s Guide 3 0 0 S e r i e s 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...
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Page 2: Table Of Contents
Product Description Product Feature Identification Wiring Instructions Control 328C/CT System Control 321C/CT, Control 322C/CT & Control 312CS System Assembly Painting the Grille Contacting JBL Professional JBL Professional Control 300 Series TABLE OF CONTENTS Assembly Maintenance Accessories Specifications... -
Page 3: Product Description
300 Large Format, In-Ceiling Loudspeakers are designed from the ground up to provide optimal performance for the most demanding installed sound applications. Thanks to the conical constant coverage waveguide design, Control 300 Series Loudspeakers feature exceptional broadband control ensuring extremely even coverage and remarkably consistent performance. -
Page 4: Product Feature Identification
PRODUCT FEATURE IDENTIFICATION (Control 322CT Shown) Crossover Network Tuning Port Tube EZ-Rail™ Crossover Network Tuning Port Tube 4 JBL Professional Control 300 Series Transformer Compression Driver Dust Cap Woofer Baffle Tuning Port Woofer Frame Baffle... -
Page 5: Wiring Instructions
“+” or pin 1. Pins 1 & 4 are looped to pins 2 & 3, respectively (Pin 1 connects to Pin 2 and Pin 3 connects to Pin 4) inside the speaker. Pins 2 & 3 are intended as loop- through connections to subsequent loudspeakers. There are... - Page 6 Loop-Through System Hookup Diagram 1 2 3 4 1 2 3 4 Speaker 1 Speaker 2 Power Amp 6 JBL Professional Control 300 Series WIRING INSTRUCTIONS 1 2 3 4 Speaker 3 To Subsequent Speakers 1 2 3 4 Speaker 3...
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Page 7: Control 328C/Ct System Assembly
Match to clip nuts on back can. (Included with MTC- 4 pcs - M4 x 38 mm powder coated machine screws for attaching the metal grille to the baffle. (Included with JBL Professional grilles.) JBL Professional Control 300 Series 300BB8. ) -
Page 8: Control 321C/Ct, Control
(2) embossed arrows on the underside of the metal baffle indicate the edge with the EZ-Rail. Next, slide the EZ-Rail onto the flange of the JBL MTC- 300BB12 (or compatible) back box. The EZ-Rail helps to hold one side of the speaker baffle TEMPORARILY while the installer installs the screws that hold the baffle. -
Page 9: 322C/Ct & Control 312Cs
2 Points Each Side details below. 1 Point Each End 4 pcs - M4 x 38mm powder coated machine screws for attaching the metal grille to the baffle. (Included with JBL Profesional grilles.) 1 Point Each Corner JBL Professional Control 300 Series... -
Page 10: Painting The Grille
ACCESSORIES, MAINTENANCE & CONTACTING JBL Painting the Grille -- Control 300 Series Grilles feature a powder coated, satin finish paint (RAL 9016 - Pantone equivalent 11-0602TPX) and can be painted to match any decor. This should only be done when the grilles have been removed from their loudspeaker and back box / can assembly. -
Page 11: Specifications
Measured in half space (in ceiling), ave 100 Hz – 10 kHz. AES pink noise, 30 Hz to 300 Hz with 6 dB crest factor. JBL continually engages in research related to product improvement. Changes introduced into existing products without notice are an expression of that philosophy. measured half-space... - Page 12 3 0 0 S e r i e s 8500 Balboa Boulevard Northridge, CA 91329 USA 363816-001 Visit us online at www.jblpro.com...