JL Audio Monoblock Class D Subwoofer Amplifier - 98643
Monoblock Class D Subwoofer Amplifier, 1500 W x 1 @ 1 - 2 Ù / 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).
Specifications:
Rated Continuous (RMS) Power @ 14.4 V
- @ 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**
Rated Continuous (RMS) Power @ 12.5 V
- @ 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**
General Specifications
- 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)
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
Approximate Dimensions:
- Height: 2.13"
- Width: 18.05"
- Depth: 6.96"
Approximate Weight:
Notes:
- *Requires “Low Z” switch to be in “2 Ù” position
- **Requires “Low Z” switch to be in “1 Ù” position
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