Mackie M800 Spec Sheet - Page 4

M•800 High-Current Power Amplifier M•800 Block Diagram 4 OF 8 PAGES 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•800 BLOCK DIAGRAM 26 FEB 1999 FREQ FREQ LOW CUT FILTER CD EQ ON OFF FREQ FREQ LOW CUT FILTER CD EQ ON OFF FUSE POWER SWITCH TOROIDAL POWER TRANSFORMER LAMP MUTE THERMAL PROTECT STEREO MONO BRIDGE CH 1 GAIN INVERTING UNITY GAIN AMPLIFIER STEREO MONO BRIDGE STEREO MONO BRIDGE CH 2 GAIN + 60 VDC - + 70 VDC - LIMITER LIMITER DETECTION OFF ON LIMITER SWITCH OFF ON LIMITER LIMITER DETECTION MUTE +60VDC DC OFFSET DETECT POWER AMPLIFIER -60VDC MUTE +60VDC MUTE DC OFFSET DETECT POWER AMPLIFIER -60VDC OL -3 METER -6 DRIVE -9 -20 CH 1 SPEAKER OUT OL -3 METER -6 DRIVE -9 -20 CH 2 SPEAKER OUT 60ºC DETECTOR AND CH 1 AMP OUT CH 2 AMP OUT PROGRAM DETECT FAN SPEED CONTROL FAN OR HI DCV TEMP SENSOR (ON HEATSINK) HOT LED 80ºC MUTE 55ºC UNMUTE NORM LED MUTE CONTROL 4 SEC DELAY (TURN-ON) MUTE LO DCV