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JL Audio Monoblock Subwoofer Marine Amplifier - 98273

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Abt Model: M6001 UPC: 699440982733
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JL Audio M6001 Monoblock Subwoofer Marine Amplifier

Amazingly small in size, but huge in audio performance, the JL Audio M-Series amplifiers are the perfect solution for space-conscious installations or for anyone seeking affordable excellence in a mobile amplifier.

JL Audio's exclusive NexD™ switching technology achieves total amplifier efficiencies exceeding 80%, which means far less heat and less strain on your vehicle's electrical system than a conventional large amplifier. This efficiency advantage, combined with state-of-the-art microelectronic components allows us to use very compact unitary cast alloy heat sinks. As with their more expensive MHD siblings, the M-Series also deploy our Advanced Thermal Rollback System to completely eliminate annoying thermal shut-down events.

Beneath every M-Series amplifier's removable control cover, you will find studio-grade signal processing with fully variable crossover filters. Also included are our noise-killing, differential inputs with remote level control capabilities via the HD-RLC remote level control (optional).

Some might just see a small amplifier... But, for those who appreciate great audio, M-Series amplifiers reveal something huge.

NexD™ Switching Technology

NexD™ amplifier technologies produce exceptional audio quality, unsurpassed total efficiency and high power from very compact amplifier designs.

Beginning with the original 'Slash' subwoofer amplifiers, JL Audio has been at the forefront of Class D amplifier design. Our NexD™ switching technology stems from our Class D expertise to deliver outstanding fidelity and efficiency, leading to compact amplifiers that deliver high power and exceptional value.

Let's get a little nerdy... A traditional PWM switching amp design uses a fixed switching frequency and varies the pulse width based solely on the audio input signal to the pulse modulator. This basic approach assumes some ideal conditions, like a rock-steady power supply, that do not necessarily occur in a real, in-car installation. Power supply sag with signal causes distortion at all power levels with these designs, even well below clipping. The cure for this is feedback (a corrective signal sent back to the input side), but this becomes impractical as the audio frequency increases, making it a good solution for band-limited (subwoofer) amps, but not for full-range amplifiers.

Taking the above into account when designing the NexD™ subwoofer amplifiers, we have taken the simple fixed PWM approach and enhanced it with a very high switching frequency: 240 kHz, which is about 4x higher than most Class D subwoofer amplifiers. This pushes the amplifier's bandwidth to at least 500 Hz with minimal distortion and improves efficiency, while keeping typically bulky circuity more compact. Your subwoofers will reward you with tight, rock-solid bass performance.

For the full-range NexD™ amplifiers and channels we applied a variable, ultra-high speed version of the NexD™ technology (switching at well over 400 kHz). In these designs, a self-oscillating modulator with "feed-forward" sends information about the instantaneous power supply voltage to the modulator, combining this with the input signal to cancel out any distortion due to supply voltage fluctuation. This reduces distortion prior to applying feedback, simplifying the overall feedback loop design.

The bottom line is simply great audio: clean, powerful and reliable.

Features

  • Description: Monoblock Subwoofer Amplifier
  • Patented Technology: Single Cycle Control. (U.S. Patent #6,084,450*)
  • Inputs: Differential-balanced with RCA jack inputs
  • On-board Crossover: State-variable, 12 dB/octave Butterworth or 24 dB/octave Linkwitz-Riley with continuously variable cutoff frequency selection from 50 - 500 Hz (defeatable).
  • Preamp Output: Buffered pass-through type
  • Infrasonic Filter: 24 dB/octave Butterworth @ 30 Hz, defeatable
  • Dual mono subwoofer output connections: Accept up to 12 AWG wire
  • +12V and Ground connections: Accept up to 4 AWG wire

Specifications

  • Rated Power: 600 W RMS @ 2 ohm (14.5V)
  • Rated Power 14.4 V:
    • 400W RMS x 1 @ 4 ohms
    • 600W RMS x 1 @ 2 ohms
  • Rated Power 12.5 V:
    • 300W RMS x 1 @ 4 ohms
    • 500W RMS x 1 @ 2 ohms
  • THD at Rated Power: 1% @ 2 ohm
  • S/N Ratio:
    • >87 dB referred to rated power (A-weighted, 20 Hz-20 kHz noise bandwidth)
    • >67 dB referred to 1W (A-weighted, 20 Hz-20 kHz noise bandwidth)
  • Frequency Response: 7 Hz - 500 Hz (+0, -1dB)
  • Damping Factor:
    • 1000 @ 4 ohms / 50 Hz
    • >500 @ 2 ohms / 50 Hz
  • Input Range: 100mV - 4V RMS
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