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O F 8 P A G E S
M•1400/M•1400i
High-Current Power Amplier
AMPLIFIER
M•1400/M•1400i
M•1400/M•1400i
High-Current Power Amplier
O F 8 P A G E S
AMPLIFIER
M•1400/M•1400i
M•1400/M•1400i
High-Current Power Amplier
1
O F 8 P A G E S
AMPLIFIER
M•1400/M•1400i
O F 8 P A G E S
M•1400/M•1400i
High-Current Power Amplier
AMPLIFIER
M•1400/M•1400i
2
M•1400/1400i Specications
Maximum Power at 1% THD:
300 watts per channel into 8 ohms
500 watts per channel into 4 ohms
700 watts per channel into 2 ohms
1000 watts into 8 ohms bridged
1400 watts into 4 ohms bridged
Continuous Sine Wave Average Output Power, both
channels driven:
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
Power Bandwidth:
20Hz to 70kHz (+0, –3 dB)
Frequency Response:
20Hz to 40kHz (+0, –1 dB)
10Hz to 70kHz (+0, –3 dB)
Distortion:
THD, SMPTE IMD, TIM
<0.025% @ 8Ω
<0.050% @ 4Ω
<0.150% @ 2Ω
Signal to Noise Ratio
>107 dB below rated power into 4 ohms
Channel Separation:
>80 dB @ 1kHz
Damping Factor:
>350 from 0 to 400Hz
Input Impedance:
20kΩ balanced bridging
Input Sensitivity:
1.23 (+4 dBu) for rated power into 4 ohms
Voltage Gain:
30.25 dB (32.5V/V)
Maximum Input Level:
9.75 volts (+22 dBu)
Rise Time:
<4.4µs
Slew Rate:
Voltage Slew Rate >50V/µs
>100V/µs bridged
Current Slew Rate >32A/µs at 2Ω
CMRR:
>40 dB, 20Hz to 20kHz
Transient Recovery:
1µs for 20 dB overdrive at 1kHz
High Frequency Overload and Latching:
No latch up to any frequency or level
Variable Low-Cut Filter:
10Hz (Off) to 170Hz, 2nd Order Bessel
Subwoofer Low-Pass Filter:
Switched: 63Hz/125Hz, 3rd Order Bessel
Constant Directivity High-Frequency Boost:
2kHz to 6kHz (+3 dB points)
6 dB/octave high-frequency shelving lter, (shelving occurs at
approximately 30kHz)
Limiter Section:
Complementary Positive and Negative Peak Detecting
Indicators:
6 meter LEDs per channel
SIG (Signal Present), –20, –9, –6, –3, OL (Overload)
PROTECT LEDs, CH1 & 2
SHORT LEDs, CH1 & 2
TEMP STATUS
COLD/HOT LEDs
Power Consumption:
65 watts (0.9A) at idle
550 watts (6.7A) with musical program fully loaded
(4 ohms per side, or 8 ohms bridged)
900 watts (10.5A) with musical program fully loaded
(2 ohms per side, or 4 ohms bridged)
850 watts (9.6A) at full power into 8 ohms
(continuous sine wave)
1500 watts (15.6A) at full power into 4 ohms
(continuous sine wave)
2500 watts (24.8A) at full power into 2 ohms
(continuous sine wave)
(continued on page 3)
www.mackie.com
16220 Wood-Red Road NE, Woodinville, WA 98072 USA
800.898.3211, fax 425.487.4337, sales@mackie.com
UK +44.1268.570.808, fax +44.1268.570.809, uk@mackie.com