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Related Manuals for JBL Professional Series
Summary of Contents for JBL Professional Series
- Page 1 Professional Series Technical Manual Model 4311 Control Monitor...
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Page 2: Table Of Contents
Voice Coil 3-inch (7.6 c m ) e d g e w o u n d c o p p e r Every J B L Professional Series transducer is guaranteed ribbon against defects in material and w o r k m a n s h i p for a period of Magnetic Assembly Weight 6.75 p o u n d s 3.1 kg... -
Page 3: The 4311 Control Monitor
T h e 4311 C o n t r o l M o n i t o r A product of JBL's long experience and intimate involvement long excursion, 12-inch loudspeaker having a 3-inch d i a m - with the recording industry, the 4311 is a powerful, yet c o m - eter e d g e w o u n d copper ribbon voice coil operating in a pact, monitor loudspeaker system. -
Page 4: Test Parameters
Midrange — The on-axis frequency response of a typical 4311 does not Transition to the midrange unit is made at a vary more than ± 3 d B from 45 to 15,000 Hz. Due to the crossover frequency of 1500 Hz. The 5-inch transducer wide-angle characteristics of the midrange and high fre- provides clarity and freedom f r o m distortion, even at the high quency units and their physical orientation, response... -
Page 5: Installation
installation Amplifier Power The 75-Watt continuous program power capacity of the 4311 Placement is indicative of an "average" program level that can be toler- For o p t i m u m source localization within the stereo image, a ated by the c o m p o n e n t s without damage; however, transients pair of 4311s should be arranged so that the listening posi- can exceed this level by a considerable margin without tion is centered between the two systems and no more than... -
Page 6: Maintenance
Midrange Low Frequency High Frequency Black, While Green Black Black Terminal Posts (rear at enclosure) Black Black Dividing Network When reconnecting the wire leads between the network, input terminals and high frequency direct radiator, proper polarity is assured by the c o n n e c t o r s . C o n n e c t i o n s to the other c o m p o n e n t s are color c o d e d as s h o w n . - Page 7 New materials, production methods and design refinements are introduced into existing products without notice as a routine expression of that philosophy. For this reason, any current JBL product may differ in some respect from its published description but is always warranted to equal or exceed the original design specifications unless otherwise stated.
- Page 8 Professional Division J a m e s B. Lansing S o u n d , Inc.. 3 2 4 9 Casitas Avenue, Los Angeles, California 9 0 0 3 9 . 5 0 6 5 7 PTB4311/74 Printed in U.S.A.