General Specifications; Amplifier Section; Preamp Output - JL Audio M2250 Owner's Manual

APPENDIX B:
Precise Frequency Selection Chart
"FILTER FREQ" AMP FILTER
Detent Panel
Number Marking
Full counter-clockwise: 53
01 . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
02 . . . . . . . . . . . "50" . . . . . . . . . . . .53
03 . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
04 . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
05 . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
06 . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
07 . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
08 . . . . . . . . . . . "55" . . . . . . . . . . . .56
09 . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
10 . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
11 . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
12 . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
13 . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
14 . . . . . . . . . . . "60" . . . . . . . . . . . .65
15 . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
16 . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
17 . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
18 . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
19 . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
20 . . . . . . . . . . . "80" . . . . . . . . . . . .81
21 . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
22 . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
23 . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
24 . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
25 . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
26 . . . . . . . . . . "120" . . . . . . . . . . 115
27 . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
28 . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
29 . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
30 . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
31 . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
32 . . . . . . . . . . "150" . . . . . . . . . . 177
33 . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
34 . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
35 . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
36 . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
37 . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
38 . . . . . . . . . . "200" . . . . . . . . . . 218
39 . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Full-clockwise: 225
JL AUDIO M2250
Actual
Freq.
APPENDIX C:
M2250 Specifications

General Specifications:

Recommended Fuse Value: 25A
Recommended Fuse Type: AFS, AGU or MaxiFuse™
Input Sections:
No. of Inputs: One Stereo Pair
Input Type: Differential-balanced with RCA jack inputs
Input Range: Switchable from 200mV - 2V RMS to
800mV - 8V RMS

Amplifier Section:

Amplifier Topology: Class A/B with patented Absolute
Symmetry™ dual N-Channel MOSFET output design
Power Supply: Unregulated MOSFET switching type
Rated Power at 14.4V with less than
1% THD+Noise (20Hz - 2 kHz)
Stereo, all channels driven:
80W RMS x 2 @ 4 ohms, 125W RMS x 4 @ 2 ohms
Bridged, all channels driven:
160W RMS x 1 @ 8 ohms, 250W RMS x 1 @ 4 ohms
Rated Power @ 12.5V with less than
1% THD + Noise (20Hz - 20 kHz)
Stereo, all channels driven:
60W RMS x 2 @ 4 ohms, 90W RMS x 2 @ 2 ohms
Rated Power Bridged, all channels driven:
120W RMS x 1 @ 8 ohms, 180W RMS x 1 @ 4 ohms
Signal to Noise Ratio: >104 dB referred to rated power
(A-weighted, 20 Hz-20 kHz noise bandwidth)
Frequency Response: 10 Hz - 25 kHz (+0, -1dB)
Damping Factor: >200 @ 4 ohms per ch./50 Hz,
>100 @ 2 ohms per ch. /50 Hz
Slew Rate: ± 22V/µs
Amplifier Filter:
Filter Type: State-variable, 12dB/octave Butterworth
with continuously variable cutoff frequency selection
from 50-200 Hz.
Configurable as Low-Pass or High-Pass. Defeatable.

Preamp Output:

Pass-through type, buffered.
Dimensions(LxWxH):
9.8" x 9.25" x 2.50" (250mm x 235mm x 63.5mm)
Due to ongoing product development, all specifications are subject to
change without notice.
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