Contents
The JBL 5233 and 5234
Electronic Frequency Dividing Networks 1
Installation 1
Operation 5
Appendix 6
Service Notes 8
Note:
The information contained herein and the perform-
ance specifications listed above also apply to 5231 and
5232 Electronic Frequency Dividing Networks identified
by serial numbers having the suffix A.
JBL continually engages in research related to product improvement.
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 will always equal or
exceed the original design specifications unless otherwise stated.
Specifications
Gain 0 dB in the passband
Rated Output 6.2 V (+18 dB ref, 0.775 V)
Distortion Less than 0,5% THD, 20-20,000 Hz
at rated output
Less than 0.2% THD, 20-20,000 Hz
at +10 dB ref. 0.775 V
Frequency Response ±0.5 dB, 20-20,000 Hz
: Crossover Frequency Selectable by plug-in module,
3-dB crossover point ± 10%
Filter Slope 12 dB per octave
Input Impedance Greater than 50kfl
Load Impedance 600 O or greater
Output Impedance 47 fl
Channel Isolation Greater than 60 dB, 20-20,000 Hz
Signal/Noise Ratio Greater than 90 dB, 20-20,000 Hz
equivalent bandwidth
Controls High Frequency Level (each channel)
Power
Supply Voltage Select
Power Requirement 5 Watts, 120/240 V AC, 50/60 Hz
Operating Temperature Up to T32°F (55°C)
Dimensions 1% x 19x7% in deep
44 mmx483 mmx194 mm deep
Mounting 1 EIA standard rack space
Panel Finish Semi-gloss non-glare baked enamel,
dark gray
Net Weight 4 lb (1.8 kg) either unit with
accessory crossover card(s) installed.
Shipping Weight 6.5 lb
:
(3.0 kg) either unit
Warranty Two years
Accessories
Crossover Cards 52-5120 Blank
(one required 52-5121 250 Hz
per channel) 52-5122 500 Hz
52 5123 800 Hz
52-5124 1200 Hz
52-5125 5000 Hz
52 5127 7000 Hz
52-5140 For the 4343 Studio Monitor
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