JBL JRX118SP Datasheet

JRX118SP

Key Features:

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The rugged enclosure is constructed from 19 mm (¾ in) MDF (Medium Density Fiberboard) using advanced adhesives and mechanical fastener technology for durability and improved lowfrequency performance. The enclosure is covered in black carpet.

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Heavy duty, all steel handles are used.

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A top mounted, cast aluminum 35 mm pole mount receptacle can receive an optional SS3BK pole to facilitate use of the JRX118SP as a base for a mid-high speaker cabinet.

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Built-in 500 watt (peak), 300 watt (continuous) ampliﬁer. Controls, connectors, and indicators are clearly labeled with large, highcontrast graphics for easy operation in poorly lit environments.

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Integral, preset limiter prevents clipping distortion. An LED illuminates to indicate that limiting is taking place.

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Line-level stereo inputs are summed before being sent to the subwoofer’s internal ampliﬁer. This feature allows the JRX118SP to operate in stereo systems using a single subwoofer.

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An integral crossover also provides balanced, line-level, stereo, highpassed outputs to feed powered satellite speakers or an external ampliﬁer for passive satellites.

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A speaker-level, ¼" TS phone jack is provided. This input is useful in applications, such as those employing powered mixers, in which it is more practical to bring a full-range, speaker-level signal to the subwoofer ampliﬁer.

The JRX118SP is an 18 inch directradiating powered subwoofer. A built-in 500 watt (peak) ampliﬁer accepts stereo or mono line level inputs via balanced, XLR connectors as well as single channel speaker level input via a ¼ inch phone jack. Integral signal processing includes a stereo crossover and limiting for the internal ampliﬁer. A pair of XLR output connectors may be used to pass the input signals to another system or to send a high-passed, line-level stereo signal to a pair of powered, full-range speakers.

18 Inch Compact Powered Subwoofer

With JRX112M and

available SS3BK

The JRX118SP is designed to supplement and extend the low frequency performance of full-range systems in live sound and music playback applications. It is an excellent choice for use with powered full-range speakers or in systems using powered mixers.

Speciﬁcations:

System Type: Powered, 18" compact subwoofer

Frequency Range (-10 dB):138 Hz - 300 Hz

Frequency Response (±3 dB):155 Hz - 300 Hz

Nominal Impedance: 4 

Rated Maximum SPL2: 123 dB peak, @1 m (3.3 ft) at 500 watts

Dimensions (H x W x D): 605 mm x 508 mm x 592 mm

Net Weight: 40.4 kg (89 lb) including casters

Shipping Weight: 45 kg (99 lb)

LF Driver: 2043-G

Ampliﬁer Power: Continuous: 300 watts with < 0.2% THD

Input Connectors: 2 x XLR/F, balanced, line level

Input Impedance: Nominally 20k Ohms, electronically balanced

Input Sensitivity: 0.5 Vrms for 300 watt output (SUB LEVEL control fully

Maximum Input Level: INPUTS A & B: +4 dBu (nominal), +22 dBu (max.), one

Output Connectors: 2 x XLR/M

Crossover: LPF: 100 Hz, 24 dB / Oct

Required AC Mains: 50/60 Hz (North American units are 60 Hz only); 120 and 230-

AC Line Current: 120 volts: 1.4 A at ⅛ power with sine-wave input, 3.6 A at

Power Consumption at Idle: No more than 20 watts

Frequency Range and Frequency Response are based on half-space conditions.

Calculated half-space (2) performance based upon peak power capacity.

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.

(23.8 in x 20.0 in x 23.3 in)

Peak: 500 watts

1 x ¼" phone jack, speaker level

clock-wise)

channel driven

Infrasonic ﬁlter: 25 Hz, 18 dB / Oct

240 VAC (±10%) units are available

max. power with pink noise input 230-240 volts: 0.7 A at ⅛ power with sine-wave input, 1.8 A at max. power with pink noise input

 JRX118SP 18 Inch Compact Powered Subwoofer

Frequency Response:

Half Space (2π)

Whole Space (4π)

Dimensions

Block Diagram:

Panel:

605

(23.8)

277

(10.9)

(1.3)

475

(18.7)

508

(20.0)

(1.7)

549

(21.6)

592

(23.3)

Dimensions in mm (in)

JBL Professional 8500 Balboa Boulevard, P.O. Box 2200 Northridge, California 91329 U.S.A.

A Harman International Company

SSJRX118SP CRP 10M 03/04