Description
JL Audio FATHOM IWICE-SYS-108
- 1 x IWICE-108 enclosures with 8-inch woofer
- 1 x IWG-108 speaker grille
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1 x SA-600 300W/600W amplifier/processor
Created from the same innovative technologies used to develop our free-standing powered subwoofers, the Fathom® ICS in-ceiling subwoofer systems are engineered to deliver outstanding bass performance, with nearly unlimited placement freedom.
Purpose-built to disappear into the ceilings of most home audio/theater environments, the 8-inch Fathom® ICS systems are designed to fit 2" x 6" or larger ceiling joists and a wide range of assembled joist widths, while operating through very small grilles. The grille’s clever design accommodates all common drywall thicknesses and can be easily painted to match a room’s decor.
The subwoofer enclosures utilize extensive architectural features aimed at improving rigidity while keeping a very low profile and minimal wall thickness. A unique port design vents through a slot located at the perimeter of the driver mount to enhance efficiency and low-bass output. Inside the enclosure is a long-excursion, 8-inch thin-line woofer, built to exacting standards by JL Audio for the Fathom® ICS products.
General Specifications
| Enclosure Type | Ported |
| Enclosure Finish | Black Texture-Coated |
| Frequency Response (Anechoic) | 24.9 Hz - 109 Hz (± 1.5 dB) -3dB at 24.6 Hz / 111 Hz -10dB at 23.4 Hz / 118 Hz |
| Effective Piston Area (Sd) | 63.24 sq in / 0.0408 sq m |
| Effective Displacement | 95.0 cu in / 1.56 L |
| Amplifier Power | 600 W RMS short-term |
| Power Mode(s) | Off, On or Automatic (Signal-Sensing or 12V Trigger) |
| 12V Trigger Output Capacity | 150 mA (1/8-inch/3.5mm mini jack) |
| Light Modes | N/A |
Signal Processing
| Unbalanced Inputs | Stereo or Mono (two RCA jacks - Input Impedance of 50k Ohms) |
| Speaker/High-Level Inputs | Stereo or Mono (removable plug - Input Impedance of 4.4k Ohms) |
| Input Grounding | Isolated or Grounded |
| Level Control | Reference (fixed gain) or Variable from -50dB to +15dB over reference gain (0.5 dB increments) |
| Filter Mode(s) | Low-Pass, with tracking High-Pass Outputs |
| Filter Slope(s) | 12/24 dB/octave |
| Filter Frequency Range | 30 Hz - 130.1 Hz |
| Filter Defeat Function | Yes |
| Polarity | 0 or 180 degrees |
| Delay (Phase) | Variable from 0 – 25 ms (0.1 ms increments, Sub and HP outputs) |
| Extreme Low Frequency (E.L.F.) Trim | Variable, -12 dB to +3 dB at 25 Hz (0.5 dB increments) |
| Line Outputs | Stereo or Mono (two RCA jacks - Pass-Through or High-Pass) |
| Subwoofer Outputs | Neutrik speakOn® 2-Pole Connectors (uses Neutrik part: NL2FX) |
| Calibration Mode | Digital Automatic Room Optimization (D.A.R.O.), requires microphone (sold separately) |
| Equalizer Bands | 3 |
| Equalizer Frequency Range | 20 to 160 Hz (1 Hz increments) |
| Equalizer Gain Range | -12 dB to +12 dB (0.2 dB increments) |
| Equalizer Q Range | 0.7 to 5.0 (0.1 increments) |
2 x 6-inch Joist/Stud Enclosure Physical Specification
| Joist/Stud Cavity Width (W) | Minimum: 406 mm Maximum: 648 mm (on center) |
| Joist/Stud Cavity Height (H) | Minimum: 1,473 mm |
| Width (W) | 355 mm |
| Height (H) | 1,034 mm |
| Depth (D) | 130 mm |
| Note: Enclosure dimensions do not include L-brackets or vibration-dampening padding. | |
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