Filter
Top Products
42
CH 1
BALANCED
LINE INPUT
(TRS)
CH 1
BALANCED
LINE INPUT
(XLR-F)
LIMITER
LIMITER
ON
OFF
LOW CUT
FILTER
LOW PASS
FILTER
(SUBWOOFER)
+
–
80 VDC
+
–
90 VDC
TOROIDAL POWER
TRANSFORMER
LAMP
FUSE
MACKIE DESIGNS
M•1200/M•1400
BLOCK DIAGRAM
(#110896DF)
FREQ
CD EQ
FREQ
OUTPUT
APPLICATION
SWITCH
AMP
MODE
SWITCH
63 Hz
125 Hz
FREQ
TO
LIMITER
ON
OFF
LOW CUT
FILTER
FREQ
CD EQ
FREQ
CH 1
GAIN
STEREO
MONO
BRIDGE
CH 2
GAIN
INVERTING
UNITY GAIN
AMPLIFIER
ON
OFF
SUB
ON
OFF
SUB
NC
NC
NC
MUTE
CH 1
PROTECT
LED
CH 1
SHORT
LED
MUTE
CH 2
PROTECT
LED
POWER
AMPLIFIER
CH 1
SPEAKER
OUT
FUSE
–80VDC
FUSE
+80VDC
DC OFFSET
DETECT
SHORT
DETECT
METER
DRIVE
POWER
AMPLIFIER
CH 2
SPEAKER
OUT
FUSE
–80VDC
FUSE
+80VDC
DC OFFSET
DETECT
TO CH 1
MUTE
OL
–3
–6
–9
–20
SIG
CH 1
SIG
CH 2
SHORT
LED
SHORT
DETECT
METER
DRIVE
TO CH 2
MUTE
OL
–3
–6
–9
–20
SIG
CH 2
SIG
SIG
(TO CH 1
METER DRIVE)
SIG
(TO CH 2
METER DRIVE)
PD's LEASH
HOT
LED
COLD
LED
TEMP
SENSOR
(ON HEATSINK)
TO CH 1
AND CH 2
MUTE
CH 1 AMP OUT
CH 2 AMP OUT
CH 1 MUTE
CH 2 MUTE
60ºC
DETECTOR
FA N
SPEED
CONTROL
HI DCV
LO DCV
CH 1
MUTE
CH 2
MUTE
POWER
SWITCH
TO CH 1
AND CH 2
MUTE
THERMAL
PROTECT
THRU
(XLR-M)
CH 2
BALANCED
LINE INPUT
(TRS)
CH 2
BALANCED
LINE INPUT
(XLR-F)
THRU
(XLR-M)
80ºC MUTE
55ºC UNMUTE
FA N
TO HUSKY
STADIUM
BLOCK DIAGRAM
M•1200/M•1400