18" Self-Powered Extended Low Frequency Subwoofer System

The PRX718XLF, extended low frequency subwoofer was designed and engineered to provide sub bass frequencies with accuracy and power. Used as a single sub in a sub/sat system or in multiples as part of a scalable, large format sound reinforcement system, the PRX718XLF performs with extreme efficiency and control.

Features:

134 dB peak SPL

18" Differential Drive® low-frequency driver for low-distortion and higher SPL

Efficient Class-D amplifier technology

DSP Input limiter circuit, crossover, dynamic limiting, component optimization, selectable system EQ

Integrated stereo pass-thru, with selectable HP filter, and polarity reverse

2 x XLR-1/4" combination inputs, with 2 x XLR loop-thru

20 mm threaded pole socket for solid, secure satellite speaker mounting.

Multiple handles with comfort rubber grips for easy transport

Lightweight poplar plywood cabinets made structurally sound with tongue and groove joints and protected by JBL’s tour proven DuraFlex™finish.

Cloth backed, dent-resistant 16 gauge steel grilles

Specs:  

 

Power Rating

1500 W

AC Power Input

100V - 240V~ 50/60 Hz

Frequency Range (-10 dB)

30 Hz - 103 Hz

Frequency Response (±3 dB)

35 Hz – 87 Hz

Internal Crossover Frequency

100 Hz DSP controlled 48 dB filter slope

Loop out Crossover Frequency

120 Hz analog 24 dB filter slope

Maximum SPL

134 dB peak

Signal indicators

Limit: Yellow LED indicates peak output has been reached and dsp

limiter is acting

Signal: Green LED indicates signal present

Power/Standby: Blue indicates system has power and ready to pass audio,

Red indicates system has power but is in a power saving mode and will not

pass audio.

Dynamic Control (Input)

dbx Type IV™ limiter circuit

Input Impedance

20K Ohms (balanced)

Polarity

normal or reverse polarity

LF Driver

1 x JBL 2278H 460 mm (18 in) woofer

Enclosure

Rectangular, 18 mm, plywood

Suspension / Mounting

M20 threaded pole socket on top

Transport

2 x injection molded handles with backing cup

Finish

Obsidian DuraFlex™ finish

Grille

Powder coated, Obsidian, 16 gauge perforated steel with acoustical transparent black cloth backing.

Input Connectors

Two Balanced female XLR/ 1/4" combo connectors

Output Connectors

Two balanced male XLR connectors.

Mõõdud: (H x W x D) 690.372 mm x 523.24 mm x 723.9 mm (27.18 in x 20.60 in x 28.50 in)