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JL AUDIO HD750/1
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JL AUDIO HD750/1

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  • $829.99

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Monoblock Class D Wide-Range Amplifier, 750 W

This ultra-compact monoblock amplifier employs our Single-Cycle Control switching design and R.I.P.S. technology to deliver 750 W of clean power into any impedance between 1.5 and 4 Ω, giving you the highest degree of flexibility in designing your subwoofer system. Tight power supply regulation keeps distortion down and maximizes your bass quality. From a pure sound quality perspective, we invite you to compare the real-world, in-car performance of this amplifier to any other amplifier on the market, of any type, at any price.

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    JL HD7501

HD750/1

Monoblock Class D Wide-Range Amplifier, 750 W x 1 @ 1.5-4 Ω

While targeted primarily to subwoofer applications, the HD750/1 is a wide-range amplifier and can also be used to drive high-performance mid-range speaker systems.

Rated Continuous (RMS) Power @ 14.4 V

@ 4 Ω 750 W RMS x 1
@ 3 Ω 750 W RMS x 1
@ 2 Ω 750 W RMS x 1
@ 1.5 Ω 750 W RMS x 1

Rated Continuous (RMS) Power @ 12.5 V

@ 4 Ω 750 W RMS x 1
@ 3 Ω 750 W RMS x 1
@ 2 Ω 750 W RMS x 1
@ 1.5 Ω 750 W RMS x 1

General Specifications

Frequency Response 6 Hz - 8 kHz (+0, -1dB)
S/N Ratio, referred to highest rated power >110 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to 1 W (Main Channels) >88 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
Damping Factor @ 4 Ω >500 / 50 Hz
Damping Factor @ 2 Ω >250 / 50 Hz
THD+N @ Rated Power (Main Channels) <0.03% @ 4 Ω
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 4 AWG wire
Fuse Rating 60 A (AFS, AGU or MaxiFuse™)

Physical Specifications

Table_Image
Height (H) 1.93 in / 49 mm
Width (W) 10.74 in / 273 mm
Depth (D) 8.29 in / 211 mm
Net Weight 6.6 lb / 2.99 kg

Signal Processing

Filter Modes Low-Pass or High-Pass
Filter Slope (dB/Octave) 12 dB or 24 dB
Filter Frequency Range 50-500 Hz
Detented, Calibrated Filter Freq. Potentiometer Yes
Filter Defeatable? Yes
Infrasonic Filter 30 Hz, defeatable
Bass Boost EQ No
Output Polarity Switch Yes
Remote Subwoofer Level Control Optional (HD-RLC)
Remote Bass EQ Boost Control No
Pass-Through Preamp Output Buffered

This amplifier features a brushed aluminum finish with black powder-coated cast alloy heat sinks and bottom panel. A black powder-coated, gasketed cover is also provided to protect the controls.

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