Mackie M1400/M1400i Spec Sheet - Page 2

M•1400/M•1400i AMPLIFIER M•1400/M•1400i High-Current Power Amplifier M•1400/1400i Specifications 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 Maximum Input Level: 9.75 volts (+22 dBu) Rise Time: 40 dB, 20Hz to 20kHz Transient Recovery: 1µs for 20 dB overdrive at 1kHz >50V/µs >100V/µs bridged >32A/µs at 2Ω 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 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) 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 filter, (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) 2 OF 8 PAGES