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JL Audio A-Series Monoblock Mobile Amplifier - White Finish - A1800
JL Audio A-Series Monoblock Mobile Amplifier, Model A1800
The value-packed A-Series amplifiers feature the same patented Class D and Class A/B output technologies as the flagship "Slash" amplifiers. The primary difference is that "A-Series" amplifiers employ a more conventional unregulated PWM switching power supply instead of the R.I.P.S. design used in the Slash models.
Features:
- Patented Absolute Symmetry A/B Circuitry
(U.S. Patent #6,294,959)
The full-range models employ this patented technology which reduces distortion and improves power symmetry. - Patented Class D Circuitry
(U.S. Patent #6,441,685)
The subwoofer amplifiers feature a patented Class D circuit for outstanding efficiency, stability and fidelity. - Active Crossover Features
Fully variable 12dB/octave filters with detented filter frequency selection controls offer excellent tuning flexibility. - Preamp Outputs
Pass-through pre-amp outputs permit interconnection of multiple amplifiers (except e6450). - Bass Control Features
Bass boost circuits are included on all models and can be operated with or without a remote bass controller. - Differential-Balanced Inputs
Greatly reduce noise and provide compatibility with a wide range of sources, including most OEM systems. - Advanced Rollback Protection
Borrowing a page from the Slash amplifiers bag of tricks, the A-Series amplifiers employ advanced thermal and low-impedance protection to virtually eliminate annoying amplifier shut-down events.
Specifications:
| Description | Class D Monoblock Subwoofer Amplifier |
| Patented Technology | High-Damping Class D Circuit with discrete control circuitry (U.S. Patent #6,441,685) |
| Differential-Balanced Input Topology | For superior noise immunity, RCA jack inputs |
| On-board Crossover | Fully-variable (40 - 200 Hz), selectable slope Low-Pass (12 or 24 dB / octave) |
| Preamp Output | Pass-through type |
| Bass EQ | +6db fixed frequency, fixed 'Q' (defeatable) with port for optional remote bass control (RBC-1) |
| Dual mono speaker output connections | Accept up to 8 AWG wire |
| +12V and Ground connections | Accept up to 4 AWG wire |
| Rated Power 12.5 V | 480 W RMS x 1 @ 4 ohm 800 W RMS x 1 @ 2 ohm |
| Rated Power 14.5 V | 640 W RMS x 1 @ 4 ohm 1000 W RMS x 1 @ 2 ohm |
| THD at Rated Power | 12.5V: <0.08% THD, 20 Hz - 250 Hz 14.4V: <1% THD, 20 Hz - 250 Hz |
| S/N Ratio | >90 dB referred to rated power (A-weighted, 20 Hz 250 Hz noise bandwidth) |
| Frequency Response | 10 Hz 250 Hz (+0, -1dB) |
| Damping Factor | >500 @ 4 ohm / 50 Hz >250 @ 2 ohm / 50 Hz |
| Input Range | 200mV 8V RMS |
Approximate Dimensions:
- Length: 15.75"
- Width: 9.25"
- Height: 2.5"
Approximate Weight:
- Shipping: 10 lbs
California customers:
Approximate Weight
Package Weight (lbs)
10
General
Color
None
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