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12TW3-D4
Technical Highlights
- Power: 400 W RMS, Impedance: Dual 4 Ω.
- Efficiency: 84.11 dB @ 1W/1m, Diameter: 12 inch (300 mm).
- Xmax: 15.2 mm, Fs: 26.46 Hz, Vas: 48.73 L.
- More technical details
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12TW3-D4 by JL Audio Description
The 12TW3-D4 is a powerful 12-inch subwoofer from JL Audio, impressing with its shallow mounting depth and long excursion. Based on the TW5 Thin-Line technology, it offers outstanding sound quality with space-saving design. Its robust construction with a DMA-optimized motor concept ensures deep, precise bass, while the aluminum components provide durability.
- Shallow mounting depth (3.50 inches)
- Long linear excursion (0.60 inches)
- DMA-optimized motor design
- Injection-molded polypropylene cone
- Rubber surround
- Aluminum dust cap with JL Audio logo
- Optimized for small enclosures
- Made in the USA
- Power handling (RMS): 400 W
- Recommended amplifier power (RMS): 200 - 400 W
- Nominal impedance: Dual 4 Ω
- Nominal diameter: 12 inches / 300 mm
- Overall diameter: 335 mm
- Mounting diameter: 295 mm
- Mounting depth: 89 mm
- Displacement volume: 0.029 cu ft
- Net weight: 14.9 lb
- Free air resonance frequency: 26.46 Hz
- Efficiency: 84.11 dB SPL

