Инструкции Пользователя для JBL Pro JBL PRX418S

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PRX418S
Key Features:
18-inch JBL Selenium driver for
extended low-frequency output
Large vent area for reduced
distortion
Low profile and compact
Tough DuraFlex™ finish
enclosure
Applications:
Live performance venues
Mobile and fixed DJ systems
The PRX418S is a compact,
high power subwoofer system
containing a JBL Selenium 457
mm (18") woofer in a
front-loaded, vented enclosure.
The enclosure is designed to
present a minimum frontal area.  
The system offers complete
input connection flexibility for
compatibility with a variety of
cabling schemes. The input panel
incorporates a pair of Neutrik
®
Speakon
®
NL-2 / 
¼" TS phone
combo jack connectors wired in
parallel. The PRX418S is supplied
with pins +1/-1 connected to the
woofer. 
The enclosure is constructed
of birch/poplar multi-laminate
hardwood and coated in JBL’s
rugged DuraFlex™ finish. The
distinctive 16-gauge steel grille is
CNC-machined for precision. The
grilles are internally lined with an
acoustically transparent screen to
provide additional driver
protection and give a very
professional appearance.  
Specifications:
Frequency Range (-10 dB): 35 Hz – 250 Hz
Frequency Response (±3 dB): 52 Hz – 120 Hz
Input Connection Modes: +1/-1
Recommended Crossover: 80 Hz, 24 - 48 dB/octave
Recommended Filter: 35 Hz, 24 dB/octave subsonic high-pass
Power Rating
1
:  800 W/ 1600 W/ 3200 W, 2 hrs (Continuous / Program / Peak)
Maximum SPL
2
: 124 dB SPL continuous (130 dB SPL peak)
System Sensitivity (1w @ 1m)
2
: 95 dB SPL; 100 dB SPL
LF Driver: 1 x JBL Selenium SWS1000W 457 mm (18 in) woofer
Nominal Impedance: 8 ohms
Mounting: Top mounted for optional SS4-BK pole
Enclosure: Rectangular, 18 mm, birch/poplar plywood
Finish: Black DuraFlex™ finish
Grille: Powder coated, black, 16-gauge perforated steel with
acoustically transparent black screen backing.
Input Connectors:  Two Neutrik
®
Speakon
®
NL-2 / 
¼" TS phone combo jacks
Dimensions (H x W x D): 678 mm x  536 mm x  615 mm
(26.7 in x 21.1 in x  24.2 in)
Net Weight: 36.0 kg (79 lb)
Optional Accessories: SS4-BK: Satellite speaker pole
1.
30 Hz to 130 Hz pink noise with 6 dB crest factor for specified period
2.
Calculated on half space condition
JBL continually engages in research related to product improvement.  Some 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.
18" High-Power
Subwoofer