Related Manuals for JBL 4344 MKII
Summary of Contents for JBL 4344 MKII
- Page 1 4 3 4 4 M k I I P R O F E S S I O N A L S E R I E S L O U D S P E A K E R S Y S T E M A NEW STANDARD FOR A NEW CENTURY...
- Page 2 JBL is part of the Harman International family of audio companies, a group with a common purpose: combining technology with a love of music to manufacture audio products that provide new levels of satisfaction, perform- ance and value. To promote diversity and creativity, JBL operates independently in research and development.
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Page 3: Table Of Contents
80 Crossways Park West, Woodbury, NY 11797 8500 Balboa Boulevard, Northridge, CA 91329 1-800-336-4JBL (4525) (USA only) www.jbl.com ©1996 JBL, Incorporated. JBL is a registered trademark of JBL, Incorporated. Printed in USA 2/97 Part No. 4344MkIIOM97 A Harman International Company... -
Page 4: Low-Frequency Transducer
JBL design. These speakers continue the longstanding tradition of precise studio monitor sound for which JBL is famous. You will enjoy the benefits of a 2" high- frequency compression driver, cast frame low-frequency transducers with vented pole pieces, and JBL’s proprietary Symmetrical Field Geometry... -
Page 5: Mid-Frequency Transducer
4344MkII power handling. The utilizes a 2" compression driver with an Aquaplas-coated titanium dome. JBL has long chosen titanium as the material for its highest-quality high-frequency transducers and the 4344MkII is no exception. Titanium possesses the essential requirements for a high-frequency transducer. First, titanium is extremely light, yet rigid. -
Page 6: Dividing Networks
Professional Series Model 4344MkII Serial Number: JBL Incorporated, Northridge, CA USA ULTRA HIGH FREQUENCY LEVEL, dB – 2.5 – 6.5 – +1.5 HIGH FREQUENCY LEVEL, dB – 2.5 – 6.5 – +1.5 MID FREQUENCY LEVEL, dB – 2.5 – 6.5 –... -
Page 7: Battery Replacement
• Replace the battery access cover and install screws. Battery Replacement Record Date Installed: Figure 1 Battery Installation BI-AMP BATTERY NORMAL/ BI-WIRE JBL INCORPORATED 8500 Balboa Blvd., Northridge, CA USA High Frequency Low Frequency... -
Page 8: Placement
45° to 60°. For example, if the speakers are 8' apart, your listening position should be 8'–12' from each speaker. To widen the area in Position Front View which the best stereo image will be perceived, turn the speaker to face the primary listening position (Figure 2). 3' 3'... -
Page 9: Speaker Connections
Connecting the systems in this manner ensures that they will operate in phase; that is, they will work together rather than in opposition. Connecting the speaker system out of phase will not cause damage but will adversely affect the speaker’s sound. -
Page 10: Bi-Wiring
Bi-Wiring 4344MkII’s outer connection panel and internal dividing network are designed so that separate sets of speaker cable can be attached to the low-frequency transducer and midrange/high-frequency transducer portions of the dividing network. This is called bi-wiring. Bi-wiring can provide several sonic advantages and considerably more flexibility in power amplifier selection. - Page 11 4. As with conventional one-amplifier connections, make sure that all speaker cables are the same length. 4344MkII must be removed before bi-wiring. loudspeakers in any of the...
- Page 12 Figure 9 Bi-Amp Connecting Method NORMAL/ BI-WIRE Figure 9a Bi-Amp Switch Setting BI-AMP BATTERY NORMAL/ BI-WIRE Bi-Amping Connections The optimal method of powering the amplifiers, one for low frequencies and one for the mid/high frequencies. It is necessary to use a high-quality active crossover module. Since each amplifier only drives a limited frequency range, this method allows the user to select amplifiers with the desired sonic character for low and high frequencies.
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Page 13: Maintenance And Service
The battery should be replaced approximately every three years. Consult your JBL dealer for specific recommendations. If a problem occurs, make sure that all connections are properly made and clean. -
Page 14: System Specifications
System Specifications Frequency Response: Sensitivity: Recommended Maximum Power Handling: Nominal Impedance: Crossover Frequencies: Low-Frequency Transducer: Mid-Frequency Transducer: High-Frequency Transducer: Ultrahigh-Frequency Transducer: Tuning Frequency of Woofer: Dimensions (HxWxD): Weight: 30Hz – 22kHz –6dB 95dB for 2.83V @ 1 meter 200 watts continuous 800 watts peak 6 ohms 340Hz, 1300Hz, 8000Hz...
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