Specifications
M1 Active Mk2 Reference Manual 43
CROSSOVER SECTION
Crossover type: 4
th
-order, 24dB/octave Linkwitz-Riley @ 2000Hz
Input Impedance: 20kΩ balanced 10kΩ unbalanced
Low Frequency Filter: 4
th
order optimal Q high pass filter at 48Hz with +3 dB
equalization
AMPLIFIER SECTION
LOW FREQUENCY AMPLIFIER
Rated power output: 75 watts, 6Ω load
Distortion: <0.02% THD @ 30 watts/8Ω 20Hz-20kHz
Slew rate: 19V/µsec
Signal-to-Noise ratio: >110dB referenced to 60 watts @ 8Ω, “A” weighted,
1kHz
HIGH FREQUENCY AMPLIFIER
Rated Power Output: 25 watts, 4Ω load
Distortion: 0.025% THD @ rated power
Slew rate: 9V/µsec
Signal-to-Noise ratio: >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: 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)
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