JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329 U.S.A.Technical ManualJBL PRX718XLF/230SPECIFICATIONSACOUSTIC & ELECTRICAL SPECIFICATIONS:• Frequency Response (±3 dB): 35 Hz – 87 Hz• Frequency Range (–10 dB): 30 Hz – 103 Hz• Maximum SPL: 134 dB peak• Input Impedance: 20K Ohms (balanced),• Crossover Frequency:Internal: 90 Hz DSP Controlled 48 dB/octaveloop out: 120 Hz Analog 24 dB/OctaveSYSTEM COMPONENTS:• Cabinet: Enclosure (Not For Sale)• Grille: 5030354• Low Frequency Driver: 2278H, 18 inch woofer• D.C.Resistance: 5.3 ohm +/- 10%AURAL SWEEP TEST SPECIFICATIONS:A. System.Aural Sweep Test: 0.15V Input, 50 Hz Ito 20 kHz KnobFully CW.Line In and MainB. L.F.Aural Sweep Test: 15V Input, 10 Hz to 100 HzPHYSICAL SPECIFICATIONS:• Enclosure Dimensions:(HxWxD) 690.372 x 523.24 x 723.9 mm D(27.18 x 20.6 x 28.5 in.D)• Net Weight: 81 lb (36.8 kg)WARRANTY INFORMATION:• Refer to Warranty Statement packed with each product.JBL PRX718XLF/230 REV A12-13PACKAGE WIRING DIAGRAMWarranty Card59660User’s Guide5032132Carton5032387Filler5032389 (2)PKG, Microfoam (8)49790PCord, AC, Line425-00000-00 (120V)425-00000-01 (230V)Driver, Low Frequency2278H(5031789X)C8R2278Green BlackGreenAmplifier Assembly5032367Wire Harness5033762Grommet5038031+ _