Mackie SRM450v2 - SRM450 v2 Block Diagram; Signal Flow and Component Overview

18
SRM450v2 BLOCK DIAGRAM
INPUT
THRU
2
3
1
2
J15
3
1
HI-PASS
LOW CUT CONTOUR
COMPRESSOR
THRESHOLD
COMPRESSOR
SWEEPING
FILTER
LO-PASSDELAY
176uS
HI-FREQ
40-120 Hz
LO-FREQUENCY
DRIVER
TWEE
T
LO-FREQ
AMP
HI-FREQ
AMP
SENSE
RESISTOR
BASS CONTROL SERVO LOOP
WOOF
PEAK
LIGHT
PEAK
DETECTION
THRESHOLD
LPF
THRESHOLD
+
–
MID VDC
+
–
LO VDC
+
–
HI VDC
POWER
TRANSFORMER
FUSE
POWER
SWITCH
SWITCHING
POWER
CONTROLLER
ON
OFF
+15VDC
SIGNAL
SENSE
SIGNAL
SENSE
MUTE
ON/OFF
CONTROL
MUTE
MUTE
POWER
LEDS
THERMAL
LED
THERMAL
SWITCH
LOW AC
VOLTS SENSE
TIMED
TURNOFF
SIGNAL
LED