JL Audio 12TW1 -4
12" (30cm) subwoofer
/Piece
Inkl. MwSt. Exkl. MwSt. inkl. Versandkosten exkl. Versandkosten
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Beschreibung
Discover the 12TW1 -4, a powerful 12" (30cm) subwoofer from the renowned brand JL Audio. This subwoofer, based on the patented Thin Line subwoofer technology, is characterized by a low installation depth and high excursion capability. Its powerful combination makes it compatible with extremely small enclosures, while still delivering superior sound and bass. The 12TW1 -4 also boasts a unique design that requires minimal frontal clearance for the driver to travel. Despite its compact size, it does not compromise sound quality and delivers the rich, deep and controlled bass you expect from a JL Audio subwoofer system.
characteristics
- The 12TW1 , based on JL Audio's patented Thin Line subwoofer technology, offers a powerful combination of shallow depth and high excursion while operating in insanely small enclosures (0.65 cu.ft. / 18.4 liters).
- In combination with a frame made of a special cast alloy, the 12TW1 able to work in extremely tight volumes.
- JL Audio's patented Thin-Line woofer technology compresses the architecture of the 12TW1 by a "Concentric Tube" structure built into the injection-molded cone body. This structure supports the voice coil and a fully annular spider while allowing a large motor structure to be placed further forward in the speaker than in conventional designs.
- The 12TW1 also features a sophisticated frame design that minimizes the frontal distance required for the driver to travel. This is achieved by deepening the suspension mounting surface so that most of the forward travel occurs within the frame dimensions. Thanks to this feature, the 12TW1 Even with the grille installed, there is only 22 mm (0.87 inches) of frontal clearance. This allows for more efficient use of space and a larger enclosure volume within a given overall depth.
- Although the 12TW1 Optimized for an enclosure much smaller than any other JL Audio 12-inch subwoofer, it never sounds like a big woofer struggling in a tiny box... instead, it delivers all the rich, deep, and controlled bass you've come to expect from a JL Audio subwoofer system.
- Very low installation depth (117 mm / 4.62 inches)
- Extremely small requirements for the volume of the sealed housing
- Long linear displacement (0.40 in / 10 mm, one-way linear displacement)
- DMA-optimized engine design
- Patented "concentric tube" architecture
- Cast alloy frame with flat edges for a tight chassis arrangement
- Cone made of injection-molded, mica-filled polypropylene
- rubber surround
- Steel mesh grille included with each driver
- Precision engineered in the USA at the JL Audio factory in Miramar, Florida, using global components
General Specifications
- Continuous power handling (RMS): 300 W
- Recommended amplifier power (RMS): 75 - 300 W
- Nominal impedance (Znom): 4 Ω
- Protective grille optionally available
Dimensions
- Nominal diameter: 300 mm / 12.0 inches
- Overall diameter (A): 314 mm / 12.375 inches
- Installation diameter (B) : 281 mm / 11.0625 inches
- Bolt circle diameter (C): 297 mm / 11.7 inches
- Motor outer diameter (D): 145 mm / 5.71 inches
- Installation depth (E) : 117 mm (4.62 inches)
- Front grille projection (F): 0.87 in / 22 mm
- Volume displacement: 0.072 cu ft / 2.04 L
- Net weight: 16.5 lb / 7.5 kg
parameter
- Free Air Resonance Frequency (Fs): 32.35 Hz
- Electrical "Q" (Qes): 0.555
- Mechanical "Q" (Qms) : 11.066
- Total quality "Q" (Qts) : 0.529
- Equivalent Volume (Vas): 1,189 cu ft / 33.67 L
- One-way linear displacement (Xmax): 0.40 inches/10.0 mm
- Efficiency (1 W / 1 m): 85.15 dB SPL
- Membrane area (Sd) : 0.0436 square meters
- DC resistance (Re): 3.514 Ω
Closed housing specifications
- Wall thickness: 19 mm / 0.75 inches
- Front baffle thickness: 19 mm / 0.75 inches
- Volume (Net Int.): 0.65 cu ft / 18.41 L
- Outer width (W): 673 mm / 26.50 inches
- External height (H) : 356 mm (14 inches)
- External depth (D): 140 mm / 5.50 inches
- F3 : 45.44 Hz
- Fc : 54.41 Hz
- Qtc: 0.89
Specifications for bass reflex enclosures
- Wall thickness: 19 mm / 0.75 inches
- Front baffle thickness: 19 mm / 0.75 inches
- Volume (Net Int.): 1.125 cu ft / 31.86 L
- Outer width (W) : 806 mm (31.75 inches)
- External height (H) : 406 mm (16 inches)
- External depth (D) : 178 mm / 7 inches
- Internal slot connection width (SW): 140 mm / 5.50 inches
- Internal slot clearance height (SH): 57 mm / 2.25 inches
- Internal slot connection length (SL): 575 mm (22.625 inches)
- Port extension length (EL): 527 mm / 20.75 inches
- Tuning frequency (Fb): 34.0 Hz
- F3 : 31.79 Hz