Compact full-range amplifiers. | Audio

Monoblock Amplifier (1500 W) (RD1500/1)

Part Number 010-03333-00

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SLEEK, POWERFUL, PACKED WITH VALUE

The look is amazing, and the performance backs it up. With the RD series of monoblock amplifiers from JL Audio, exclusive NexD^™ switching technology generates loads of power with exceptional efficiency. The result: premium audio quality with significantly reduced current draw and heat.

12 DB/OCTAVE LOW-PASS FILTER

SELECTABLE INPUT VOLTAGE: LOW (200 mV TO 2-VOLT RMS) TO HIGH (800 mV to 8-VOLT RMS)

3 TURN-ON OPTIONS: +12-VOLT REMOTE WIRE, SIGNAL SENSING OR DC OFFSET

ONBOARD LED CLIPPING INDICATOR SIMPLIFIES LEVEL SETTING

OPTIMIZE LOW-END AUDIO WITH VARIABLE BASS BOOST EQ

2-YEAR WARRANTY

WHAT YOU'LL LOVE

EFFICIENT CLASS-D DESIGN

Small size, minimal heat and lots of power — Class-D amplifier design offers significant advantages. And our NexD switching technology adds even more, using enhanced pulse width modulation techniques to boost the amplifier’s bandwidth while minimizing distortion and improving efficiency.

CLEAN, POWERFUL, RELIABLE

With a choice of 500- or 1000-watt versions — stable to 2 ohms, or a 1500-watt version stable to 1 ohm — the RD series offers a variety of models to drive your subwoofer. The high-efficiency design enables them to run cooler and put less strain on your electrical system than conventional amplifiers.

STUDIO-GRADE SIGNAL PROCESSING

For easy setup and interface with your speaker system, the RD series features a 12-decibel/octave low-pass filter, with continuously variable frequency selection from 50–500 Hz and a variable bass boost EQ.

LED CLIPPING INDICATOR RINGS

An LED clipping indicator ring that surrounds each input level potentiometer lets you quickly and accurately set your amplifier’s input sensitivity, without the need for additional test equipment.

AUTOMATIC TURN-ON FEATURE

This helpful feature, selectable between signal sensing and DC offset sensing modes, comes standard on all RD series amps.

AUDIO TECHNOLOGIES

DIFFERENTIAL-BALANCED INPUTS

Combating induced cable noise, this technology allows for the use of conventional RCA cables while delivering many of the benefits of a true balanced connection and accepting a wide range of input signal levels.

NEXD SWITCHING TECHNOLOGY

Using enhanced pulse width modulation techniques, NexD technology achieves exceptional audio fidelity and efficiency while delivering high-power output from very compact amplifier designs.

General
Warranty	2 years
Channels	Monoblock
Physical dimensions (Height)	2.13" (54 mm)
Physical dimensions (Width)	Monoblock (500 W): 9.78" (248 mm) Monoblock (1000 W): 14.66" (372 mm) Monoblock (1500 W): 18.05" (458 mm)
Physical dimensions (Depth)	6.96" (177 mm)
Audio
Amplifier class	Class D
Rated continuous (RMS) power (14.4 V input @ 4 Ohm < 1% THD)	Monoblock (500 W): 250 W x 1 Monoblock (1000 W): 600 W x 1 Monoblock (1500 W): 750 W x 1
Rated continuous (RMS) power (14.4 V input @ 2 Ohm < 1% THD)	Monoblock (500 W): 500 W x 1 Monoblock (1000 W): 1000 W x 1 Monoblock (1500 W): 1500 W x 1
Rated continuous (RMS) power (12.5 V input @ 4 Ohm < 1% THD)	Monoblock (500 W): 225 W x 1 Monoblock (1000 W): 500 W x 1 Monoblock (1500 W): 750 W x 1
Rated continuous (RMS) power (12.5 V input @ 2 Ohm < 1% THD)	Monoblock (500 W): 400 W x 1 Monoblock (1000 W): 800 W x 1 Monoblock (1500 W): 1200 W x 1
Signal-to-Noise Ratio, referred to highest rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs	Monoblock (500 W/1000 W): >80 dB Monoblock (1500 W): >82 dB
Signal-to-Noise Ratio, referred to 1 W (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs	Monoblock (500 W): >60 dB Monoblock (1000 W / 1500 W): >50 dB
Damping factor @ 4 Ω	Monoblock (500 W/1000 W): >1000/50 Hz Monoblock (1500 W): >1100/50 Hz
Damping factor @ 2 Ω	>500/50 Hz
THD+N @ Rated Power	<1% @ 2 Ω
Frequency response (+0, -1dB)	7 Hz-500 Hz
Input voltage range @ RCA inputs	Switchable from 200 mV-2 V RMS (Low) to 800 mV-8 V RMS (High)
Fuse rating	Monoblock (500 W): 50 A Monoblock (1000 W): 80 A Monoblock (1500 W): 150 A
Recommended fuse type(s)	Monoblock (500 W/1000 W): AFS, AGU or MaxiFuse™ Monoblock (1500 W): AFS or AGU
Min. copper power/Ground wire gauge	4 AWG wire Monoblock (1500 W): 2 AWG wire
Signal Processing
Filter mode(s): Channels 1 & 2	Low-pass only
Filter Slope(s): Channels 1 & 2	12 dB/octave
Filter frequency range: Channels 1 & 2	50 Hz-500 Hz
Bass boost	yes
Bass boost EQ (0 to +12 dB @ 45 Hz)	yes
Remote level control	Optional (RBC-1)
Pass-through preamp output	Buffered

RD amplifier
2.5 mm Allen-wrench
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Monoblock Amplifier (1500 W) (RD1500/1)

Monoblock Amplifier (1500 W) (RD1500/1)

Monoblock Amplifier (1500 W) (RD1500/1)

SLEEK, POWERFUL, PACKED WITH VALUE

WHAT YOU'LL LOVE

EFFICIENT CLASS-D DESIGN

CLEAN, POWERFUL, RELIABLE

STUDIO-GRADE SIGNAL PROCESSING

LED CLIPPING INDICATOR RINGS

AUTOMATIC TURN-ON FEATURE

AUDIO TECHNOLOGIES

DIFFERENTIAL-BALANCED INPUTS

NEXD SWITCHING TECHNOLOGY

General

Audio

Signal Processing