Mackie M800 DIAGRAM, FAN M•800BLOCK

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)

FREQ

LOW CUT

FILTER

FREQ

LOW CUT

FILTER

FREQ

CD EQ

ON

OFF

FREQ

CD EQ

ON

OFF

STEREO

MONO

BRIDGE

STEREO

MONO

BRIDGE

STEREO

MONO

BRIDGE

TEMP

SENSOR

(ON HEATSINK)

				+74VDC
		LIMITER	+64VDC
CH 1		DETECTION
GAIN
	LIMITER			AMP
		MUTE		DC OFFSET
				PROTECT
		–64VDC
INVERTING	OFF	ON		–74VDC
UNITY GAIN
AMPLIFIER		LIMITER
		SWITCH
	OFF	ON		+74VDC
			+64VDC
CH 2
GAIN		MUTE
	LIMITER			AMP
		LIMITER		DC OFFSET
				PROTECT
		DETECTION
		–64VDC
	60ºC			–74VDC
	DETECTOR
		AND		FAN
				SPEED
CH 1 AMP OUT				CONTROL
				OR
CH 2 AMP OUT
	PROGRAM			HI DCV
	DETECT
	HOT	MUTE		LO DCV
	LED	CONTROL	MUTE
	80ºC MUTE
	55ºC UNMUTE	4 SEC DELAY
		(TURN-ON)

OL

–3

METER –6

DRIVE –9

–20

CH 1

SPEAKER

OUT

OL

–3

METER –6

DRIVE –9

–20

CH 2

SPEAKER

OUT

TO HUSKY STADIUM

FAN M•800BLOCK

DIAGRAM

POWER	TOROIDAL POWER
FUSE SWITCH	TRANSFORMER
25
LAMP
MUTE
	THERMAL
	PROTECT

NORM

LED

+	+
64 VDC	74 VDC
–	–