JBL Car Speaker JRX218S 18" Compact Subwoofer User Manual

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JRX218S
Key Features:
᭤
18 in compact subwoofer.
᭤
350 W (continuous), 1400 W
(peak) power capacity.
᭤
The rugged enclosure is
constructed from 19 mm
(.75 in) MDF (Medium Density
Fiberboard) using advanced
adhesives and mechanical
fastener technology for
durability and improved low-
frequenc y performance. The
enclosure is covered in black
carpe t.
᭤
A top mounted, cast aluminum
36 mm pole mount receptacle
can receive an optional SS3BK
pole to facilitate use of the
JRX218S as a base for a
midhigh speaker cabine t.
᭤
Non-resonant, all steel handles
are used.
᭤
Attractive 18-gauge hexagon
perforated steel grille protects
components from damage.
The JRX218S is an 18" compact
direct-radiation subwoofer
designed to supplement and
extend low frequency
performance of full-range systems
in live sound and music playback
applications.
The JRX218S is driven by a
massive JBL 18" woofer with a
stamped steel frame and 3" voice-
coil. It’s rated at 350 watts
(continuous) and 1400 watts
(peak) – based on JBL
Professional’s 100 hour extended
life test.
Specifications:
System Type: 18" compact subwoofer
4␲ Frequency Range (-10 dB)
1
: 35 Hz – 250 Hz
2␲ Frequency Range (-10 dB)
1
: 34 Hz – 250 Hz
4␲ Frequency Response (±3 dB)
1
: 54 Hz – 250 Hz
2␲ Frequency Response (±3 dB)
1
: 53 Hz – 250 Hz
Sensitivity (1w/1m): 98 dB
Nominal Impedance: 4 ⍀
Rated Maximum SPL
2
: 133 dB peak, @1 m (3.3 ft)
Power Capacity
3
: 350 watts
Peak Power Capacity
3
: 1400 watts
Recommended Amplifier 350 - 700 watts
Power: @ 4 ohms
Dimensions (H x W x D): 605 mm x 508 mm x 551 mm
(23.8 in x 20.0 in x 21.7 in)
Net Weight: 32.2 kg (71 lb)
Shipping Weight: 36.8 kg (81 lb)
LF Driver: M118-4
Input Connectors: Neutrik
®
Speakon
®
NL-4 (x2); parallel
Enclosure Construction: 19 mm (¾ in) MDF (Medium Density Fiberboard) with glued
and mechanically fastened joint detail; covered in black
carpet .
Grille: 18-gauge, powder-coated steel
Optional Accessory: SS3-BK
1
Frequency Range and Frequency Response are based on half-space conditions.
2
Calculated half-space (2␲) performance based upon peak power capacity.
3
“Power Capacity” and “Peak Power Capacity” ratings are based on the average and peak power capacity of product
samples subjected to a 100 hour power test using random noise with a 6 dB crest factor, in accordance with IEC
standards.
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" Compact
Subwoofer
81330_JBL_JRX218S_81330_JBL_JRX218S 6/5/13 10:21 AM Page 1

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