Alesis M1Active MKII User Manual - Page 41

Rossover Mplifier, Ection, Coustic, Eneral

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Specifications CROSSOVER SECTION Crossover type: Input Impedance: Low Frequency Filter: 4th-order, 24dB/octave Linkwitz-Riley @ 2000Hz 20kΩ balanced 10kΩ unbalanced 4th order optimal Q high pass filter at 48Hz with +3 dB equalization AMPLIFIER SECTION LOW FREQUENCY AMPLIFIER Rated power output: Distortion: Slew rate: Signal-to-Noise ratio: 75 watts, 6Ω load 110dB referenced to 60 watts @ 8Ω, "A" weighted, 1kHz HIGH FREQUENCY AMPLIFIER Rated Power Output: Distortion: Slew rate: Signal-to-Noise ratio: 25 watts, 4Ω load 0.025% THD @ rated power 9V/µsec >112dB @ rated output ACOUSTIC SECTION Free-Field Frequency Response: ±2dB, 50Hz to 20KHz Lower Cutoff Frequency: 40Hz -10dB Upper Cutoff Frequency: 23.5KHz -10dB Maximum Peak SPL per pair: ≥ 118dB SPL @ 1m Maximum short term SPL: 80Hz to 3.0KHz ≥ 105dB SPL @ 1m GENERAL Power Consumption: AC Dropout Voltage: Weight: Dimensions (H x W x D): 120 watts with musical program, loud mix 12 watts quiescent (idle) 120V AC version: 80V AC 240V AC versions: 160V AC 19.5 lbs. (8.9 kg) each 15" (38.1 cm) x 8.5" (21.6 cm) x 10" (25.3 cm) M1 Active Mk2 Reference Manual 43

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Specifications
M1 Active Mk2 Reference Manual
43
C
ROSSOVER SECTION
Crossover type:
4
th
-order, 24dB/octave Linkwitz-Riley @ 2000Hz
Input Impedance:
20k
Ω
balanced
10k
Ω
unbalanced
Low Frequency Filter:
4
th
order optimal Q high pass filter at 48Hz with +3 dB
equalization
A
MPLIFIER
S
ECTION
L
OW
F
REQUENCY
A
MPLIFIER
Rated power output:
75 watts, 6
Ω
load
Distortion:
<0.02% THD @
30 watts/8
Ω
20Hz-20kHz
Slew rate:
19V/
µ
sec
Signal-to-Noise ratio:
>110dB referenced to 60 watts @ 8
Ω
,
“
A
”
weighted,
1kHz
H
IGH
F
REQUENCY
A
MPLIFIER
Rated Power Output:
25 watts, 4
Ω
load
Distortion:
0.025% THD @ rated power
Slew rate:
9V/
µ
sec
Signal-to-Noise ratio:
>112dB @ rated output
A
COUSTIC
S
ECTION
Free-Field Frequency Response:
±
2dB, 50Hz to 20KHz
Lower Cutoff
Frequency:
40Hz
-10dB
Upper Cutoff Frequency:
23.5KHz
–
10dB
Maximum Peak SPL per pair:
≥
118dB SPL @ 1m
Maximum short term SPL:
80Hz to 3.0KHz
≥
105dB SPL @ 1m
G
ENERAL
Power Consumption:
120 watts with musical program, loud mix
12 watts quiescent (idle)
AC Dropout Voltage:
120V AC version: 80V AC
240V AC versions: 160V AC
Weight:
19.5 lbs. (8.9 kg) each
Dimensions (H x W x D):
15
”
(38.1 cm) x 8.5
”
(21.6 cm) x 10
”
(25.3 cm)