JL Audio NexD M1000/1v2 Owner's Manual page 13

Monoblock class d marine subwoofer amplifier
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APPENDIX B:
Precise Frequency Selection Chart
"FILTER FREQ" AMP FILTER
Detent
Number
Marking
Full counter-clockwise: 53
01 . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
02 . . . . . . . . . . . "50" . . . . . . . . . . . .53
03 . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
04 . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
05 . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
06 . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
07 . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
08 . . . . . . . . . . . "60" . . . . . . . . . . . .61
09 . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
10 . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
11 . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
12 . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
13 . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
14 . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
15 . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
16 . . . . . . . . . . . "80" . . . . . . . . . . . .81
17 . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
18 . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
19 . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
20 . . . . . . . "12 o'clock" . . . . . . . .97
21 . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
22 . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
23 . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
24 . . . . . . . . . . "120" . . . . . . . . . . 120
25 . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
26 . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
27 . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
28 . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
29 . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
30 . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
31 . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
32 . . . . . . . . . . "200" . . . . . . . . . . 227
33 . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
34 . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
35 . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
36 . . . . . . . . . . . . . . . . . . . . . . . . . . . 392
37 . . . . . . . . . . . . . . . . . . . . . . . . . . . 426
38 . . . . . . . . . . "500" . . . . . . . . . . 447
39 . . . . . . . . . . . . . . . . . . . . . . . . . . . 467
Full-clockwise: 470
Panel
Actual
Freq.
APPENDIX C:
M1000/1v2 Specifications
General Specifications:
Recommended Fuse Value: 80A
Recommended Fuse Type: MAXI® or AGU
Input Sections:
No. of Inputs: One Stereo Pair
Input Type: Differential-balanced with RCA jack inputs
Input Range: 200mV - 8V RMS
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 - 500 Hz)
600W RMS x 1 @ 4 ohms
800W RMS x 1 @ 3 ohms
1000W RMS x 1 @ 2 ohms
Rated Power @ 12.5V with less than
1% THD + Noise (20Hz - 500 Hz)
500W RMS x 1 @ 4 ohms
650W RMS x 1 @ 3 ohms
800W RMS x 1 @ 2 ohms
Signal to Noise Ratio:
>83 dB referred to rated power
(A-weighted, 20 Hz-20 kHz noise bandwidth)
>53 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
Amplifier Filters:
Amplifier Low-Pass Filter:
State-variable, 12 dB/octave Butterworth or 24 dB/octave
Linkwitz-Riley with continuously variable cutoff frequency
selection from 50 - 500 Hz (defeatable).
Infrasonic Filter:
24 dB/octave Butterworth @ 30 Hz (defeatable).
Preamp Output:
Buffered pass-through type.
Dimensions(LxWxH):
14.73" x 7.09" x 2.05" (374mm x 180mm x 52mm)
Due to ongoing product development, all specifications are subject to
change without notice.
13

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