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Monoblock Class D Subwoofer Amplifier, 1500 W x 1 @ 1 - 2 ohms / 750 W x 1 @ 4 ohms - 14.4V
Engineered for high-power, subwoofer applications, the RD1500/1 monoblock amplifier is built to deliver staggering amounts of world-class bass output. Equipped with a special low impedance circuit, the RD1500/1 is capable of generating a whopping 1500 watts of output power, at either 1 or 2 ohms (14.4V, 1% THD). At the heart of this ultra-sleek and compact power plant is JL Audio’s exclusive NexD™ Class D technology, permitting high power output with exceptional efficiency and low distortion.
For your convenience, all of the RD1500/1’s controls are located on top of the amplifier, beneath a protective cover, with all connections found along one side of its chassis. Signal processing features include a 12 dB / octave low-pass filter, with continuously variable frequency selection from 50-500 Hz, and a variable bass boost EQ. Dual-range, differential-balance inputs are also onboard, capable of accepting most input voltage levels. Automatic turn-on capability (via signal sensing or DC-offset sensing) is standard, along with a set of preamp outputs so you can easily pass signals to another amplifier.
The RD1500/1 is also equipped with an onboard LED-clipping indicator. This all-new, innovative feature lets you easily set your amplifier’s input sensitivity setting, quickly and accurately, with no special equipment needed. The RD1500/1 features a durable, black powder-coated finish and a top-mounted, dual-color LED light strip that reports the overall status and condition. Control of the subwoofer level from the driver’s seat is easily accomplished with the addition of the optional RBC-1 remote level control (sold separately).
| @ 4 ohms | 750 W RMS x 1* |
| @ 3 ohms | 1000 W RMS x 1* |
| @ 2 ohms | 1500 W RMS x 1* |
| @ 1 ohms | 1500 W RMS x 1** |
|
*Requires “Low Z” switch to be in “2ohms” position |
|
| @ 4 ohms | 750 W RMS x 1* |
| @ 3 ohms | 1000 W RMS x 1* |
| @ 2 ohms | 1200 W RMS x 1* |
| @ 1 ohms | 1500 W RMS x 1** |
|
*Requires “Low Z” switch to be in “2ohms” position |
|
| Frequency Response | 7 Hz - 500 Hz (+0, -1dB) |
| S/N Ratio, referred to highest rated power | >82 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth) |
| S/N Ratio, referred to 1 W | >50 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) |
| Damping Factor @ 4 ohms | >1100 / 50 Hz |
| Damping Factor @ 2 ohms | >550 / 50 Hz |
| THD+N @ Rated Power | <1% @ 2 ohms 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 | 2 AWG wire |
| Fuse Rating | 150A (AFS or AGU) |
| 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 |
| Height (H) | 2.13 in / 54 mm |
| Width (W) | 18.05 in / 458 mm |
| Depth (D) | 6.96 in / 177 mm |
| Net Weight |
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