JL Audio HD750/1 750 Watts Class D Full Range Monoblock Amplifier – #98220

$1,249.95

Condition: New

JL Audio HD750/1 #98220 – 750 Watts Class D Full Range Monoblock Amplifier

  • Mono subwoofer amplifer
  • 750 watts RMS x 1 (rated power from 1.5 to 4 ohms)
  • Variable high- and low-pass filter (50-500 Hz 12 or 24dB/octave)
  • Subsonic filter and output polarity control

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SKU: 98220 Item #: 98220 Categories: ,

Frequently Bought Together

JL Audio HD750/1 #98220+JL Audio C2-650
Price for both:   $1,609.90

Product Description

JL Audio HD750 1 750 Watts Monoblock Class D Full Range Amplifier (HD750/1)

The JL Audio HD750/1 is a class D monoblock full-range amplifier based on Single Cycle Control switching technology. The second amp in the JL Audio HD series, the HD750/1 utilizes one channel instead of its 4 channel peer, the HD600/4. Whereas the HD600/4 outputs 150w per each channel for a total of 600w, the HD750/1 outputs 750w through its one channel.

Single Cycle Control™ (U.S. Patent #6,084,450*)

Summary:
The JL Audio HD750/1 #98220 is a High-Fidelity, full-range Class D is a reality.

Detailed Information:
Single Cycle Control is a unique approach to controlling a full-range Class D amplifier. By tracking the audio signal, comparing it to the real PWM waveform and then correcting it in each and every cycle (over 400,000 times per second), a multitude of distortion-causing mechanisms can be tightly controlled to enable pristine amplification.

In more technical terms, our approach is a non-linear control method that monitors the switched variable on a cycle-by-cycle basis so that, in each cycle, the average value of the output (power to the speaker) accurately tracks the input signal. This ensures that power supply disturbances, non-ideal switching edge behavior, component non-linearities and other distortion-causing problems are completely cancelled and taken out of the equation.

In addition to the sonic benefits of Single Cycle Control Class D, the technology also results in outstanding efficiency (80% at 1/2 rated power for the whole amplifier, including its power supply), which translates to 60% less current draw than a typical Class A/B car amplifier of equal power. This tremendous efficiency advantage also leads to less generated heat which allows the chassis size to be reduced to about 1/4 the size of a similarly powerful Class A/B design.

So, while there may be less expensive ways to make a full-range switching amplifier, no other Class D control system works faster or more accurately than Single Cycle Control™, which is why no other mobile audio amplifier in the world performs like the JL Audio HD750/1 #98220.

R.I.P.S. – Regulated, Intelligent Power Supply

Summary:
The remarkable R.I.P.S. System ensures consistent power delivery over a wide range of battery voltages and load impedances.

Detailed Information:
R.I.P.S. stands for “Regulated, Intelligent Power Supply” and is a central feature of JL Audio’s ‘Slash’ and HD amplifiers.

“Regulated” means that the power supply adjusts its operation so as to maintain the amplifier’s rated power output and low distortion operation over a wide range of vehicle voltages (11V-14.5 V). This contrasts with conventional, “unregulated” power supplies, which allow rail voltages to sag in direct proportion to drops in the supply voltage. This can result in significant power losses when battery voltage decreases, even if those voltage dips are short in duration. This manifests itself audibly as increased distortion. With a JL Audio R.I.P.S.-equipped amplifier, the rail voltage and clean power output remain completely stable in real-world systems, resulting in superior fidelity and stability.

The “Intelligent” portion of the R.I.P.S. System is a circuit that actually monitors output current to optimize the amplifier’s output power over a wide range of load impedances (1.5 ohm to 4 ohm per channel).

Conventional amplifiers are designed to produce optimum power at a particular impedance (2 ohms, for example). When asked to run above that impedance (say, 4 ohms), these amplifiers lose power (half their power from 2 ohms to 4 ohms). This will not happen with a JL Audio HD or ‘Slash’ amplifier because the R.I.P.S. System detects the actual impedance being driven and adjusts the amplifier’s operation to deliver optimum output. The entire process is seamless, automatic, and results in incredible dynamics for satellite channels and consistent power output for a wide range of subwoofer configurations. It also takes into account the real impedance of the system, rather than relying on often inaccurate assumptions based on a speaker’s rated impedance.

The bottom line: Optimum power, at any impedance between 1.5 ohm and 4 ohm per channel, at any vehicle voltage between 11V and 14.5V.

R.I.P.S. – Regulated, Intelligent Power Supply

Summary:
The remarkable R.I.P.S. System ensures consistent power delivery over a wide range of battery voltages and load impedances.

Detailed Information:
R.I.P.S. stands for “Regulated, Intelligent Power Supply” and is a central feature of  the JL Audio HD750/1 #98220 & the JL Audio’s ‘Slash’ and HD amplifiers.

“Regulated” means that the power supply adjusts its operation so as to maintain the amplifier’s rated power output and low distortion operation over a wide range of vehicle voltages (11V-14.5 V). This contrasts with conventional, “unregulated” power supplies, which allow rail voltages to sag in direct proportion to drops in the supply voltage. This can result in significant power losses when battery voltage decreases, even if those voltage dips are short in duration. This manifests itself audibly as increased distortion. With a JL Audio R.I.P.S.-equipped amplifier, the rail voltage and clean power output remain completely stable in real-world systems, resulting in superior fidelity and stability.

The “Intelligent” portion of the R.I.P.S. System is a circuit that actually monitors output current to optimize the amplifier’s output power over a wide range of load impedances (1.5 ohm to 4 ohm per channel).

Conventional amplifiers are designed to produce optimum power at a particular impedance (2 ohms, for example). When asked to run above that impedance (say, 4 ohms), these amplifiers lose power (half their power from 2 ohms to 4 ohms). This will not happen with a JL Audio HD or ‘Slash’ amplifier because the R.I.P.S. System detects the actual impedance being driven and adjusts the amplifier’s operation to deliver optimum output. The entire process is seamless, automatic, and results in incredible dynamics for satellite channels and consistent power output for a wide range of subwoofer configurations. It also takes into account the real impedance of the system, rather than relying on often inaccurate assumptions based on a speaker’s rated impedance.

The bottom line: Optimum power, at any impedance between 1.5 ohm and 4 ohm per channel, at any vehicle voltage between 11V and 14.5V.

Advanced Rollback Protection

Summary:
JL Audio’s exclusive Advanced Rollback Protection circuit monitors the amplifier’s thermal condition and adjusts amplifier operation to eliminate annoying amplifier shut-down events.

Detailed Information:
Should a JL Audio amplifier equipped with Advanced Rollback Protection reach an unsafe operating temperature, a special circuit rolls back peak power output, without changing gain, until the amplifier cools down to a safe operating temperature. The red “Thermal” LED will light to indicate this condition has been reached. Once the amplifier cools down, the circuit restores full peak power output and the red “Thermal” indicator reverts to its normal state. The operation of Advanced Rollback Protection is inaudible in most cases, but it ensures that your music keeps on playing, even under the most demanding conditions.

RealSink™

Summary:
Vertical, cast alloy fins effectively dissipate heat, without resorting to noisy fan-cooling.

Detailed Information:
Most car audio amplifiers rely on big lumps of metal that do a good job of storing heat, but not such a great job of getting rid of it. RealSink™-equipped JL Audio amplifiers (including the JL Audio HD750/1 #98220) feature real cast-alloy heat sinks with vertically-oriented fins. This design is far more effective than the lump-of-metal approach, utilizing the physics of convection and radiation to more effectively exchange heat with the surrounding air. The design of these heat sinks was refined through extensive finite-element analysis, resulting in amplifiers that keep their cool under the most demanding conditions.

HD Mounting Options

Summary:
The JL Audio HD750/1 #98220 comes with two mounting options plus a space-saving stacking feature ease installation.

Detailed Information:
The compact dimensions of the JL Audio HD750/1 #98220 amplifiers open up a whole range of installation options simply not possible with larger designs. To give you as many mounting options as possible, the design incorporates flexible mounting options for single or multiple amplifier installations.

Standard Mounting: The mounting screws secure the amplifier to the mounting surface and are concealed by the four corner caps, resulting in a very clean look.

Lateral Mounting Feet: Lateral Mounting Feet are also included with HD amplifiers to provide an alternative mounting option. This can be very useful in tight space applications or when mounting pre-stacked, multiple HD amplifiers.

Optional HD Stack Kit: Permits stacking of one HD amp to another HD amp (sold separately).

 

Additional Information

Weight 3.62 kg
Specifications

Whats In The Box
– Monoblock full-range class-D amplifier
– Power/Ground/Turn-On plug
– Speaker connection plug
– 4 Mounting brackets
– 2mm Allen-wrench
– 2.5mm Allen-wrench
– 5mm Allen-wrench
– 4 Mounting bolts
– Owner’s Manual

Specs
– Mono subwoofer amplifer
– 750 watts RMS x 1 (rated power from 1.5 to 4 ohms)
– Variable high- and low-pass filter (50-500 Hz 12 or 24dB/octave)
– Subsonic filter and output polarity control
– Removable power and speaker plugs
– Optional wired remote for level control
– Class D amplifier design
– MOSFET power and output stages
– Differential-balanced inputs eliminate noise from your vehicle’s electrical system
– Speaker- and preamp-level inputs (speaker-level input requires an optional adapter)
– Preamp outputs
– 4-gauge power and ground leads and a 80-amp fuse recommended — wiring and hardware not included with amplifier
– No onboard fuses — when installing multiple amps in a system, an additional 60-amp in-line fuse between the distribution block and the – Amplifier is recommended
– 10-13/16″W x 1-15/16″H x 8-13/16″D

Mobile Amplifier Channels

1 Channel (Mono)

Mobile Amplifier Class

Class D

Mobile Amplifier Fuse Rating

60

Mobile Amplifier RMS

351 to 750 watts

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JL Audio Canada 1 Year Limited Manufacturers Warranty

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