Description
JL Audio JD250/1 Class D Amplifier and JL Audio 12W0v3-4 12″ Subwoofer Bass Promo Package
Amp Highlights
Designed to produce a healthy 250 watts into 2 ohms (14.4V, 1% THD), the JD250/1 amplifier is a great solution for powering subwoofers in a cost-conscious system. Our proprietary NexD™ switching technology delivers large amounts of real-world power output with excellent efficiency and ultra-low distortion.
The JD250/1 is also equipped with an onboard LED-clipping indicator ring, surrounding the input sensitivity control. This useful feature lets you easily set your amplifier’s input sensitivity, quickly and accurately, without special equipment. With the addition of an RBC-1 remote level control (sold separately), you can control the subwoofer level from the driver’s seat.
Amp Features
Rated Continuous (RMS) Power @ 14.4 V
| @ 4 Ω | 150 W RMS x 1 |
| @ 3 Ω | 200W RMS x 1 |
| @ 2 Ω | 250 W RMS x 1 |
| @ 1.5 Ω | N/A |
Rated Continuous (RMS) Power @ 12.5 V
| @ 4 Ω | 115 W RMS x 1 |
| @ 3 Ω | 150 W RMS x 1 |
| @ 2 Ω | 200 W RMS x 1 |
| @ 1.5 Ω | N/A |
Amp Specifications
| Frequency Response | 7 Hz – 500 Hz (+0, -1dB) |
| S/N Ratio, referred to highest rated power | >80 dB below rated power (A-weighted, 20 Hz – 20 kHz noise bandwidth) |
| S/N Ratio, referred to 1 W | >60 dB (A-weighted, 20 Hz – 20 kHz noise bandwidth) |
| Damping Factor @ 4 Ω | >1000 / 50 Hz |
| Damping Factor @ 2 Ω | >500 / 50 Hz |
| THD+N @ Rated Power | <1% @ 2 Ω per Ch. |
| Input Voltage Range @ RCA Inputs | Switchable from 200 mV – 2 V RMS (Low) to 800 mV – 8 V RMS (High) |
| Min.Copper Power / Ground Wire Gauge | 8 AWG wire |
| Fuse Rating | 30 A (AFS, AGU or MaxiFuse™) |
Amp Signal Processing
| Filter Mode(s) | Low-Pass only |
| Filter Slope(s) | 12 dB/octave |
| Filter Frequency Range | 50 Hz – 500 Hz |
| Detented, Calibrated Filter Freq. Potentiometer | No |
| Filter Defeat Function | No |
| Infrasonic Filter | No |
| Bass Boost EQ | Yes |
| Output Polarity Switch | No |
| Remote Subwoofer Level Control | Optional (RBC-1) |
| Remote Bass EQ Boost Control | No |
| Pass-Through Preamp Output | Buffered |
Subwoofer Highlights
The 12W0v3 is a rugged performer with excellent efficiency, excursion capability and linearity. Its overall performance envelope that puts it right at the top of its price class. It features a beefy 2 in. diameter voice coil and our patented Elevated Frame Cooling design for enhanced power handling and reliability.
The 12W0v3 is best used with amplifier power in the 75W – 300W range and is optimized to operate in a moderately sized 1.375 cu. ft. (38.9 l) sealed enclosure, or a 1.75 cu. ft. (49.6 l) ported enclosure. Detailed enclosure recommendations can be found in the “Specifications” tab.
Subwoofer General Specifications
| Continuous Power Handling (RMS) | 300 W |
| Recommended Amplifier Power (RMS) | 75 – 300 W |
| Nominal Impedance (Znom) | 4 Ω |
Subwoofer Physical Specifications
| Nominal Diameter | 12.0 in / 300 mm |
| Overall Diameter (A) | 12.52 in / 318 mm |
| Mounting Hole Diameter (B) | 11.0625 in / 281 mm |
| Bolt Hole Circle Diameter (C) | 11.7 in / 297 mm |
| Motor Outer Diameter (D) | 5.05 in / 128 mm |
| Mounting Depth (E) | 5.40 in / 137 mm |
| Driver Displacement | 0.048 cu ft / 1.36 L |
| Net Weight | 8.11 lb / 3.68 kg |
Subwoofer Parameters
| Free Air Resonance (Fs) | 28.43 Hz |
| Electrical “Q” (Qes) | 0.715 |
| Mechanical “Q” (Qms) | 10.709 |
| Total Speaker “Q” (Qts) | 0.67 |
| Equivalent Compliance (Vas) | 2.530 cu ft / 71.64 L |
| One-Way Linear Excursion (Xmax)* | 0.45 in / 11.4 mm |
| Reference Efficiency (no) | 0.22% |
| Efficiency (1 W / 1 m)** | 85.64 dB SPL |
| Effective Piston Area (Sd) | 74.509 sq in / 0.0481 sq m |
| DC Resistance (Re) | 4.280 Ω |
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