Mackie M1400/M1400i Architects's Specs (M1400i) - Page 2

BLOCK DIAGRAM CH 1 BALANCED LINE INPUT (XLR-F) THRU (XLR-M) CH 1 BALANCED LINE INPUT (TRS) CH 2 BALANCED LINE INPUT (XLR-F) THRU (XLR-M) CH 2 BALANCED LINE INPUT (TRS) MACKIE DESIGNS M•1400i BLOCK DIAGRAM (#022598DF) FREQ FREQ SIG (TO CH 1 METER DRIVE) LOW CUT FILTER CD EQ ON OFF FREQ FREQ 63 Hz FREQ 125 Hz LOW PASS FILTER (SUBWOOFER) LOW CUT FILTER CD EQ ON OFF SIG (TO CH 2 METER DRIVE) FUSE POWER SWITCH TOROIDAL POWER TRANSFORMER LAMP TO CH 1 AND CH 2 MUTE THERMAL PROTECT PD's LEASH + 80 VDC - 1.25" (3.2cm) OUTPUT APPLICATION ON SWITCH OFF SUB TO LIMITER NC NC ON OFF SUB + 90 VDC - TEMP SENSOR (ON HEATSINK) CH 1 GAIN INVERTING UNITY GAIN AMPLIFIER STEREO MONO NC BRIDGE AMP MODE SWITCH LIMITER CH 2 GAIN LIMITER CH 1 PROTECT LED TO CH 1 MUTE FUSE +80VDC CH 1 SHORT LED SHORT DETECT DC OFFSET DETECT MUTE CH 1 MUTE CH 2 PROTECT LED POWER AMPLIFIER FUSE -80VDC TO CH 2 MUTE FUSE +80VDC CH 2 SHORT LED SHORT DETECT DC OFFSET DETECT MUTE POWER AMPLIFIER 60ºC DETECTOR CH 2 MUTE FUSE -80VDC AND CH 1 AMP OUT CH 2 AMP OUT PROGRAM DETECT FAN SPEED CONTROL FAN OR HI DCV FROM CH 1 HOT SHORT DETECT LED 80ºC MUTE 55ºC UNMUTE COLD LED FROM CH 2 SHORT DETECT CH 1 MUTE CONTROL 4 SEC DELAY (TURN-ON) CH 2 MUTE CONTROL TO CH 1 MUTE LO DCV TO CH 2 MUTE 16.25" (41.3cm) OL -3 METER -6 DRIVE -9 -20 SIG CH 1 SIG CH 1 SPEAKER OUT OL -3 METER -6 DRIVE -9 -20 SIG CH 2 SIG CH 2 SPEAKER OUT TO HUSKY STADIUM CH 1 16 14 8 GAIN/dB 3v 18 20 22 SENSITIVITY 1.23v (+4dBu) 30 1v 24 28 26 2v OL -3 -6 -9 -20 SIG 00 00 OL -3 -6 -9 -20 SIG 16 14 8 DIMENSIONS 17.25" (43.8cm) M•1400i WEIGHT 36 lbs. (16.3 kg) FULL SYMMETRY DUAL DIFFERENTIAL HIGH CURRENT DESIGN GAIN/dB 3v 18 20 22 SENSITIVITY 1.23v (+4dBu) 30 1v 24 28 26 2v CH 2 CH 1 INTERNAL STATUS COLD PROTECT SHORT TEMP STATUS CH 1& 2 M•1400i DIMENSIONS CH 2 HOT 19.00" (48.3cm) ® PROFESSIONAL POWER AMPLIFIER ON OFF POWER 3.50" (8.9cm) 2U 15.25" (38.7cm)