JL Audio
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JL Audio Fathom f113 v2 13.5″ Subwoofer The JL Audio Fathom f113 v2 is a 13.5″ sealed-enclosure subwoofer built around the same W7-HT driver and switching amplifier technology used in JL Audio’s flagship Gotham subwoofer line, delivering 3,000 watts of short-term power from a compact cabinet suited to larger listening environments. The W7-HT drive unit features extreme excursion capability through a combination of DMA-optimized motor and suspension geometry, W-Cone construction, FCAM voice coil alignment, and dual-path thermal management via Elevated Frame Cooling and a Radial Cross-Drilled Pole-Piece—the result is a subwoofer capable of both very deep extension and high output without thermal compression. A complete set of studio-grade signal processing controls is accessible on the front panel, including a variable low-pass filter, variable phase, switchable polarity, Extreme Low Frequency trim, and JL Audio’s Digital Automatic Room Optimization (D.A.R.O.) system, which uses an included laboratory-grade microphone and onboard DSP to automatically correct in-room frequency response. The f113 v2 is finished in gloss black and ships with a removable fabric grille. Key Features W7-HT 13.5″ drive unit — JL Audio’s highest-technology subwoofer driver design, shared with the flagship Gotham line; extreme excursion capability with outstanding linearity and dynamic stability 3,000W switching amplifier — short-term RMS power; large toroidal transformer; patented circuit designed to enhance amplifier control and fidelity D.A.R.O. (Digital Automatic Room Optimization) — onboard DSP analyzes in-room frequency response using the included laboratory-grade microphone and automatically applies correction; optimizes bass performance regardless of subwoofer placement DMA-optimized motor and suspension — proprietary motor, suspension, and cone modeling reduces distortion and extends linear excursion for powerful, clean output at any level W-Cone construction — two lightweight mineral-filled polypropylene skins bonded in a W-cone profile; combines rigidity, moisture resistance, and durability without adding mass FCAM (Floating Cone Attach Method) — bonds the surround/cone assembly to the voice coil former and spider structure in a way that maintains proper surround geometry throughout the excursion range, supporting accurate dynamic voice coil alignment Elevated Frame Cooling and Radial Cross-Drilled Pole-Piece — two independent thermal management systems work together: the frame cooling design passes high-velocity air across the voice coil top plate; the cross-drilled pole-piece directs additional airflow onto the voice coil former; together they increase power handling and long-term reliability Overroll surround technology — recovers cone area typically lost at the surround in conventional subwoofer designs, allowing the f113 v2 to achieve its massive excursion without reducing effective piston area Front-panel signal processing — variable low-pass filter (30–130Hz; 12 or 24dB/oct; defeatable); variable phase (0–280°); switchable polarity (0° or 180°); Extreme Low Frequency trim (–12 to +3dB at 28Hz); level control (reference fixed gain or variable to +15dB above reference, down to full mute) Flexible signal inputs — balanced stereo or mono (two female XLR jacks); unbalanced stereo or mono (two RCA jacks); switchable isolated or grounded input; master or slave input modes; balanced slave output (male XLR) Power and light modes — power: off, on, or automatic signal-sensing; light: off, on, or dim Sealed enclosure — gloss black finish — compact sealed cabinet; removable fabric grille included Specifications Driver Size: 13.5 in. Enclosure Type: Sealed Amplifier Power: 3,000W (short-term RMS) Frequency Response (Anechoic, ±1.5dB): 20–86Hz Frequency Response (–3dB): 18Hz / 127Hz Frequency Response (–10dB): 16Hz / 154Hz Effective Piston Area: 107.35 in² Effective Displacement: 386 cu in (6.3L) Low-Pass Filter Range: 30–130Hz Low-Pass Filter Slope: 12 or 24dB/oct; defeatable Phase: Variable, 0–280° Polarity: 0° or 180° ELF Trim: –12 to +3dB at 28Hz Level Control: Reference (fixed) or variable (full mute to +15dB over reference) Balanced Inputs: 2 × female XLR (stereo or mono) Unbalanced Inputs: 2 × RCA (stereo or mono) Input Grounding: Isolated or grounded (switchable) Input Mode: Master or slave Slave Output: 1 × male XLR (balanced) Calibration: D.A.R.O. (includes laboratory-grade microphone) Power Modes: Off; on; automatic (signal-sensing) Light Modes: Off; on; dim Finish: Gloss black Grille: Removable fabric (included) Dimensions (H × W × D): 19.25 × 16.50 × 19.25 in. Weight: 133 lbs Warranty: 3 years
Brand New
Westlake Village, CA
★ 5.00
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