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C7 Corvette Stingray PAC Sub Box Wiring Harness, Used to add Subwoofer to Stereo System  Product 4 of 12 in category C7 Corvette Audio, Radar  C5, C6, C7  Corvette Stingray JL Audio Amplifier RBC-1: Remote Bass Control

C5, C6, C7 Corvette Stingray JL Audio JD 500/1 Monoblock Class D Subwoofer Amplifier, 500 W

C5, C6, C7 Corvette Stingray JL Audio JD 500/1  Monoblock Class D Subwoofer Amplifier, 500 W
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C7 Corvette Stingray JL Audio Monoblock Class D Subwoofer Amplifier, 500 W

JD500/1: Monoblock Class A/B Subwoofer Amplifier, 500 W

Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 O / 250 W x 1 @ 4 O - 14.4V

Designed to produce a whopping 500 watts into 2 ohms (14.4V, 1% THD), the JD500/1 amplifier is a great solution for powering subwoofers in a cost-conscious system. Our proprietary NexD™ switching technology delivers large amounts of real-world power output with excellent efficiency and ultra-low distortion.

The JD500/1’s controls are located on the input panel. while the power and speaker connections can be found along the opposite end of its extruded aluminum chassis. Signal processing features include a 12 dB / octave low-pass filter, with continuously variable frequency selection from 50-500 Hz, and a variable bass boost EQ. Dual-range, differential-balanced inputs are also on-hand, capable of accepting line-level and speaker-level signals. Automatic turn-on capability (via signal sensing or DC-offset sensing) is standard, along with a set of preamp outputs so you can easily pass signals to another amplifier. 

The JD500/1 is also equipped with an onboard LED-clipping indicator ring, surrounding the input sensitivity control. This useful feature lets you set your amplifier’s input sensitivity, quickly and accurately, without special equipment. With the addition of an RBC-1 remote level control (sold separately), you can control the subwoofer level from the driver’s seat.

NexD™ Switching Technology

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

Detailed Information:
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.

Physical Specifications
Height (H) 2.10 in / 53 mm
Width (W) 9.50 in / 242 mm
Depth (D) 7.50 in / 190 mm
Net Weight  
Signal Processing
Filter Mode(s) Low-Pass only
Filter Slope(s) 12 dB/octave
Filter Frequency Range 50 Hz - 500 Hz
Detented, Calibrated Filter Freq. Potentiometer No
Filter Defeat Function No
Infrasonic Filter No
Bass Boost EQ Yes
Output Polarity Switch No
Remote Subwoofer Level Control Optional (RBC-1)
Remote Bass EQ Boost Control No
Pass-Through Preamp Output Buffered
General Specifications
Frequency Response 7 Hz - 500 Hz (+0, -1dB)
S/N Ratio, referred to highest rated power >80 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to 1 W >60 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
Damping Factor @ 4 O >1000 / 50 Hz
Damping Factor @ 2 O >500 / 50 Hz
THD+N @ Rated Power <1% @ 2 O per Ch.
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 50 A (AFS, AGU or MaxiFuse
Rated Continuous (RMS) Power @ 14.4 V
@ 4 O 250 W RMS x 1
@ 3 O 350 W RMS x 1
@ 2 O 500 W RMS x 1
@ 1.5 O N/A
Rated Continuous (RMS) Power @ 12.5 V
@ 4 O 225 W RMS x 1
@ 3 O 300 W RMS x 1
@ 2 O 400 W RMS x 1
@ 1.5 O

N/A

This product was added to our catalog on Tuesday 31 March, 2015.
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C7 Corvette Stingray PAC Sub Box Wiring Harness, Used to add Subwoofer to Stereo System  Product 4 of 12 in category C7 Corvette Audio, Radar  C5, C6, C7  Corvette Stingray JL Audio Amplifier RBC-1: Remote Bass Control
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C6 Performance is a Proud Member of SEMAProud Member of The National Corvette Museum

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