JL Audio NexD RD1500/1 Owner's Manual page 13

APPENDIX B:
RD1500/1 Specifications
Amplifier Section:
Amplifier Topology: NexD™ High Speed Class D
Power Supply: Unregulated MOSFET switching type
Rated Power at 14.4V with less than
1% THD+Noise (20Hz - 20 kHz) RMS Method
750W RMS x 1 @ 4 ohms*
1000W RMS x 1 @ 3 ohms*
1500W RMS x 1 @ 2 ohms*
1500W RMS x 1 @ 1 ohms**
*Requires "Low Z" switch to be in "2Ω" position
**Requires "Low Z" switch to be in "1Ω" position
Rated Power @ 12.5V with less than
1% THD + Noise (20Hz - 20 kHz) RMS Method
750W RMS x 1 @ 4 ohms*
1000W RMS x 1 @ 3 ohms*
1200W RMS x 1 @ 2 ohms*
1500W RMS x 1 @ 1 ohms**
*Requires "Low Z" switch to be in "2Ω" position
**Requires "Low Z" switch to be in "1Ω" position
Signal to Noise Ratio:
>82 dB referred to rated power
(A-weighted, 20 Hz-20 kHz noise bandwidth)
>50 dB referred to 1W
(A-weighted, 20 Hz-20 kHz noise bandwidth)
Frequency Response: 7 Hz - 500 Hz (+0, -1dB)
Damping Factor:
>1100 @ 4 ohms / 50 Hz
>550 @ 2 ohms / 50 Hz
Input Section:
No. of Inputs: One Stereo Pair
Input Type: Differential-balanced with RCA jack inputs
Input Range: 200mV - 8V RMS
Signal Processing:
Filter Type: Low-Pass, 12 dB/octave Butterworth with
continuously variable cutoff frequency selection
from 50 - 500 Hz.
Bass Boost: Single-band with 45 Hz center frequency,
adjustable from 0 to +12 dB.
Remote Level Control: Via optional, wired RBC-1 remote
level controller. Full mute to 0 dB range. (sold separately)
Preamp Output: Buffered pass-through type.
Power Connections:
Recommended Fuse Value: 150A
Minimum Copper Power/Ground Wire : 2 AWG
(Note: Copper Clad Aluminum (CCA) wire is
not recommended.)
Dimensions(LxWxH):
18.05" x 6.96" x 2.13" (458mm x 177mm x 54mm)
Due to ongoing product development, all specifications are subject to
change without notice.
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