Subwoofer Reviews

Description: Powered, sealed-box subwoofer. Drive-units: two 12" cone woofers with 3.5"-diameter voice-coils and 3" 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 (single XLR connector); stereo or mono unbalanced (single RCA connector). Input modes: Master, Slave. Outputs: single balanced (XLR) to additional subwoofer. Input impedance: 10k ohms. Input sensitivity: 166mV for 105dB SPL. Controls: Power (On, Off, Automatic Signal Sensing); Automatic Room Optimization (Demo, Defeat, Calibrate) using supplied calibration microphone; 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: switching, class-D, 3000W RMS short-term. Frequency response: 20–97Hz, ±1.5dB; 19–110Hz, ±3dB; 15–157Hz, ±10dB. Distortion: <6.5% THD at 50Hz, 124dB output at 1m, 0.15V RMS input, level control set to maximum.
Dimensions: 31.96" (812mm) H by 14.92" (379mm) W by 20.39" (518mm) D. Effective cabinet volume: 574 in³ (9.4 liters). Weight: 220 lbs (100kg).
Finishes: Satin Black; add $100 for High Gloss Black.
Serial Numbers Of Units Reviewed: 000115HB, 000125HB.
Price: $6000. Approximate number of dealers: 200. Warranty: 2 years parts & labor, nontransferable.
Manufacturer: JL Audio, Inc., 10369 N. Commerce Parkway, Miramar, FL 33025-3921. Tel: (954) 443-1100. Fax: (954) 443-1111. Web: www.jlaudio.com.