Subwoofer Reviews

Description: Powered, sealed-box subwoofer. Drive-unit: 13.5" W7 cone with 3.5"-diameter voice-coil and 4" peak–peak excursion. Magnet weight: not specified. Low-pass filter: variable, 30–130Hz; 12dB or 24dB/octave. High-pass filter: not supplied. Inputs: stereo or mono balanced Neutrix (single XLR connector), stereo or mono unbalanced (single RCA connector). Input modes: Master, Slave. Outputs: single balanced Neutrix (XLR) to additional subwoofer. Input sensitivity: not specified. Input impedance: not specified. Controls: Power (On, Off, Automatic Signal Sensing), Automatic Room Optimization (Demo, Defeat, Calibrate), Level (Reference, Variable), Master Level (variable, full mute to +15dB over reference), Lights (On, Off, Dim); Low Pass filter (–12dB, –24dB, Off), Low Pass Frequency, Extreme Low Frequency (ELF) Trim (variable, –12dB to +3dB at 25Hz), Polarity (0°/180°), Phase (variable, 0–280°, at 80Hz). Amplifier: class-D, 2500W RMS short-term. Frequency response: –3dB at 20Hz, –6dB at 130Hz. Distortion: not specified. Automatic Room Optimization (ARO), defeatable; calibration microphone included. Maximum peak SPL output at 50Hz: 120dB at <10% THD at 1m, input 0.25V input, level control set to maximum.
Dimensions: 19.75" (502mm) H by 16.5" (419mm) W by 19.25" (489mm) D. Weight: 130 lbs (59kg).
Finishes: High-gloss black; Satin black, add $100.
Serial Numbers Of Units Reviewed: 00351SFD, 00353SFD.
Price: $3400 each. Approximate number of dealers: 200. Warranty: 2 years parts & labor, nontransferable.
Manufacturer: JL Audio, Inc., 10369 North Commerce Parkway, Miramar, FL 33025-3962. Tel: (954) 443-1100. Fax: (954) 443-1111. Web: www.jlaudio.com.