JL Audio 12TW3-D8
12" (30cm) subwoofer
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Description
Discover the 12TW3-D8, a 12" (30cm) subwoofer with an impressive sound image, made by the renowned manufacturer JL Audio. This subwoofer impresses with its high performance and low installation depth, and is based on the technological achievements of JL Audio's TW5 thin-line subwoofer. The 12TW3-D8 is known for its remarkable performance, which is achieved through JL Audio's patented Thin-Line woofer technology. The subwoofer is characterized among other things by its long linear excursion, its high resistance and its high output of 400W. As an extra, this subwoofer is especially optimized for small installation locations. Experience the difference JL Audio can make to your audio setup with the 12TW3-D8.
Features
- Building on the core technology of JL's TW5 thin-line subwoofers, the TW3s offer a powerful combination of low installation depth and high excursion. They are even able to realize greater excursion than the W3v3 subwoofers.
- To enable this remarkable performance, JL Audio's patented Thin-Line woofer technology compresses the TW3's architecture through a "concentric tube" structure built into the injection-molded cone body. This structure supports the voice coil and a full-ring spider while allowing the large motor structure to be placed further forward in the speaker than conventional designs.
- The TW3 are optimized for small enclosures and feature JL's lug mounting design to maximize the cone area within their mounting surface.
- Very shallow installation depth (3.50 inches)
- Very low requirements for the volume of the sealed housing
- Very long linear deflection (0.60 in / 15.2 mm, one-way linear deflection)
- DMA-optimized motor designs
- Cast alloy frame
- Membrane made of injection-molded, mica-filled polypropylene
- Rubber surround
- Aluminum alloy dust cap and back cover with JL Audio logo
- Precision engineered in the USA at the JL Audio factory in Miramar, Florida, with global components
General specifications
- Continuous load capacity (RMS) : 400 W
- Recommended amplifier power (RMS) : 200 - 400 W
- Nominal impedance (Znom) : Dual 8 Ω
Dimensions
- Nominal diameter : 12 inch / 300 mm
- Overall diameter (A) : A1: 335 mm / 13.2 inch
- Minimum A2: 318 mm / 12.5 inches
- Installation diameter (B) : 295 mm / 11.625 inch
- Bolt circle diameter (C) : 318 mm / 12.5 inch
- Motor outer diameter (D): 156 mm / 6.125 inches
- Installation depth (E) : 89 mm (3.5 inch)
- Volume displacement : 0.029 cu ft / 0.82 L
- Net weight : 14,9 lb / 6,8 kg
Parameters
- Free air resonance frequency (Fs) : 32.660 Hz
- Electrical "Q" (Qes) : 0.558
- Mechanical "Q" (Qms) : 10.071
- Total quality "Q" (Qts) : 0.668
- Equivalent volume (Vas) : 1.205 cu ft / 34.12 L
- One-way linear deflection (Xmax) : 0.6 inch / 15.2 mm
- Efficiency (1 W / 1 m) : 84.23 dB SPL
- Membrane area (Sd) : 0.0539 square meter
- Direct current resistance (Re) : 14,800 Ω
Closed housing specifications
- Wall thickness: 19 mm / 0.75 inch
- Thickness of the front baffle: 19 mm / 0.75 inch
- Volume (net int.) : 1.00 cu ft / 28.3 L
- Outer width (W) : 635 mm / 25 inch
- Outer height (H) : 422 mm / 16.625 inch
- Outer depth (D) : 6.5 inch / 165 mm
- F3 : 38.27 Hz
- Fc : 48,50 Hz
- Qtc : 0,9919
Specifications for bass reflex enclosures
- Wall thickness: 19 mm / 0.75 inch
- Thickness of the front baffle: 19 mm / 0.75 inch
- Volume (net int.) : 1.3 cu ft / 36.8 L
- Outer width (W): 864 mm / 34 inches
- Outer height (H): 432 mm (17 inches)
- Outer depth (D): 171 mm / 6.75 inches
- Internal slot connection width (SW): 133 mm / 5.25 inch
- Internal slot height (SH): 60 mm / 2.375 inches
- Internal slot connection length (SL): 610 mm (24 inches)
- Length of the port extension (EL) : 560 mm (22.0625 in / 560 mm)
- Tuning frequency (Fb) : 29.79 Hz
- F3 : 32 Hz
