MACKIE FRSERIES M1400 - Manual (Page 3)

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14. OVERALL MINIMUM
SPECIFICATIONS. In addition
to specifications previously
cited, the amplifier shall
meet or exceed the follow-
ing performance criteria:
M•1400
250 watts per channel into
8 ohms from 20Hz to 20kHz,
with no more than 0.012%
THD
425 watts per channel into
4 ohms from 20Hz to 20kHz,
with no more than 0.025%
THD
630 watts per channel into
2 ohms from 20Hz to 20kHz,
with no more than 0.050%
THD
Bridged mono operation:
850 watts into 8 ohms from
20Hz to 20kHz, with no
more than 0.025% THD
1260 watts into 4 ohms
from 20Hz to 20kHz, with
no more than 0.050% THD
Maximum Power at 1%
THD (per IHF-A-202):
280 watts per channel into 8
Ω
480 watts per channel into 4
Ω
700 watts per channel into 2
Ω
960 watts into 8
Ω
bridged
1400 watts into 4
Ω
bridged
Power Bandwidth:
20Hz to 70kHz (+0, –3dB)
Frequency Response:
20Hz to 40kHz (+0, –1dB)
10Hz to 70kHz (+0, –3dB)
Distortion:
THD, SMPTE IMD, TIM
< 0.025%@8 Ω
< 0.050%@4 Ω
< 0.150%@2 Ω
Signal to Noise Ratio:
> 107dB below rated
power into 4 ohms
Channel Separation:
> 80dB@1kHz
Damping Factor:
> 350 from 0 to 400Hz
Input Impedance:
20k Ω balanced bridging
Input Sensitivity:
1.23 volts (+4dBu) for
rated
power into 4 ohms
Gain:
30.25dB (32.5V/V)
Maximum Input Level:
9.75 volts (+22dBu)
Rise Time: < 4.4
µ
s
Slew Rate:
Voltage Slew Rate > 50V/
µ
s
> 100V/
µ
s bridged
Current Slew Rate
> 32A/
µ
s at 2
Ω
Continuous Average Output Power,
both channels driven:
®
M•1200
225 watts per channel into
8 ohms from 20Hz to 20kHz,
with no more than 0.025%
THD
400 watts per channel into
4 ohms from 20Hz to 20kHz,
with no more than 0.050%
THD
600 watts per channel into
2 ohms from 20Hz to 20kHz,
with no more than 0.095%
THD
Bridged mono operation:
800 watts into 8 ohms from
20Hz to 20kHz, with no
more than 0.05% THD
1200 watts into 4 ohms
from 20Hz to 20kHz, with
no more than 0.095% THD
Maximum Power at 1%
THD (per IHF-A-202):
250 watts per channel into 8
Ω
425 watts per channel into 4 Ω
640 watts per channel into 2 Ω
850 watts into 8 Ω bridged
1280 watts into 4 Ω bridged
Note: Power ratings are specified at
120VAC (U.S. and Canada) and
240VAC (Export) line voltages.
TM