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Professional Series

Technical Manual

Electronic Frequency

Dividing Networks

5233 Single Channel

5234 Dual Channel

This manual contains technical information,

installation and operating procedures

for qualified service personnel.

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Summary of Contents for 5233

Page 1: ... Series Technical Manual Electronic Frequency Dividing Networks 5233 Single Channel 5234 Dual Channel This manual contains technical information installation and operating procedures for qualified service personnel ...

Page 2: ... u e n c y R e s p o n s e 0 5 d B 2 0 2 0 0 0 0 H z C r o s s o v e r F r e q u e n c y S e l e c t a b l e b y p l u g i n m o d u l e 3 d B c r o s s o v e r p o i n t 10 Filter S l o p e 12 d B p e r o c t a v e I n p u t I m p e d a n c e G r e a t e r t h a n 5 0 k f l L o a d I m p e d a n c e 6 0 0 O o r g r e a t e r O u t p u t I m p e d a n c e 4 7 f l C h a n n e l Isolation G r e a t ...

Page 3: ...s delivery of optimum power over the desired audio spectrum with minimum distor tion By dividing the audio spectrum prior to amplification the individual low frequency and high frequency amplifiers can perform their functions with greater effectiveness 2 Flexibility In sound reinforcement applications it is often desirable to combine one low frequency driver with several high frequency units to ob...

Page 4: ...for this connection The channel 1 outputs can then be used to drive the midrange and low frequency amplifiers Typical installations are diagrammed in Figure 1 P R O G R A M S O U R C E P R O G R A M S O U R C E L O U D S P E A K E R S Y S T E M FOUR A M P L I F I E R S A C T I V E F R E Q U E N C Y DIVIDING N E T W O R K L O U D S P E A K E R S Y S T E M F i g u r e 1 Typical Installations Of The ...

Page 5: ...peration of the 5233 or 5234 without a crossover card will not damage the unit Table 1 M a x i m u m Values For L o w F r e q u e n c y A t t e n u a t i o n Capacitors Crossover Driver Impedance Frequency 4 H 8 0 16 n 250 Hz to 500 Hz 150 xF 80 juF 40 F 500 Hz to 5 kHz 80 F 40 F 20 5 kHz and above 8 M F 5 uF 2 jiF C a p a c i t o r w o r k i n g v o l t a g e s s h o u l d b e at least 5 0 V D o ...

Page 6: ...ew terminals located on the rear panel is provided for the low and high frequency outputof each channel Outputs will drive the line input of any conventional amplifier Typically the impedance of a bridging input is at least 5 k n usually 10 k n or more therefore two or more power ampli fiers can be driven by a single electronic frequency dividing network J Dual Channel 5234 ELECTRONIC FREQUENCY DI...

Page 7: ...e transducers for an octave below and above each cross over frequency Two suitable methods for establishing proper phase of the components in a two way loudspeaker system are described in the following paragraphs Either one may be used depending on the availability of test equipment A three or four way system should be treated in a similar manner by first establishing the proper phase for the tran...

Page 8: ... should be made while seated in the normal listening location If subjective analysis is to be used and the power amplifiers are equipped with level controls initially adjust the controls to one half of their full rotation and then regulate as necessary Subjective Adjustment Of Bi Amplified Systems Jhe fol lowing applies to a 5233 or to each channel of a 5234 used in dual channel bi amplification 1...

Page 9: ... s 8 o h m s 16 o h m s 5 2 9 3 8 7 2 1 1 0 0 Hz 5 5 0 Hz 2 7 5 Hz 5 2 9 3 9 5 2 1 5 0 0 Hz 7 5 0 Hz 4 0 0 Hz 5 0 3 4 1 2 0 4 0 0 0 Hz 2 0 0 0 Hz 1 0 0 0 Hz 1 0 3 5 8 1 6 5 5 0 0 0 Hz 2 5 0 0 Hz 1 2 0 0 Hz 1 0 3 5 9 1 3 5 6 0 0 0 Hz 3 0 0 0 Hz 1 5 0 0 Hz 1 0 4 3 4 1 2 7 0 0 0 Hz 3 5 0 0 Hz 1 7 0 0 Hz 1 0 3 9 1 8 1 0 0 0 0 Hz 5 0 0 0 Hz 2 5 0 0 Hz 1 0 2 9 6 6 1 3 0 0 0 Hz 7 0 0 0 Hz 3 5 0 0 Hz 4 1 ...

Page 10: ...ilitate servicing All components are accessible and easily replaced Parts not normally available through supply houses can be ordered from a JBL Professional Products dealer or from JBL Customer Service 8500 Balboa Boulevard Northridge California 91329 POWER 8 F i g u r e 7 Power Input 5231 and 5232 P o w e r s w i t c h a n d pilot light c o n f i g u r a t i o n s f o r t h e 5 2 3 1 a n d 5 2 3...

Page 11: ...JBL Professional Division J a m e s B L a n s i n g S o u n d Inc 8 5 0 0 B a l b o a B o u l e v a r d N o r t h r i d g e C a l i f o r n i a 9 1 3 2 9 50682 PTM 5233 34 11 77 Printed in U S A ...

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