Alesis Alexis M1 User Manual

Page of 38
Specifications
M1 A
CTIVE 
R
EFERENCE 
M
ANUAL
37
Crossover section
Crossover type:
Eighth order, 48dB/octave Linkwitz-Riley @
1500Hz
Input Impedance:
20k
Ω
 balanced    10k
Ω
 unbalanced
Low Frequency Filter:
2nd order optimal Q high pass filter at 50Hz
with +1dB boost
Amplifier Section
Low Frequency Amplifier
Rated power output:
75 watts, 6
Ω
 load
Distortion:
<0.03% 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
High Frequency Amplifier
Rated Power Output:
25 watts, 4
Ω
 load
Distortion:
0.06% THD @ rated power
Slew rate:
9V/
µ
sec
Signal-to-Noise ratio:
>112dB @ rated output
Acoustic Section
Free-Field Frequency Response:
±
2dB, 50Hz to 20KHz
Lower Cutoff  Frequency:
38Hz  -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:
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” (381mm) x 8.5” (216mm) x 9.75” (248mm)
I
NDEX
AC power, 12, 22, 37
amplifiers, 10, 11, 37
balanced, 23
biamplified, 10
crossover, 10
crossover, 37