MUTE
LIMIT
DETECTION
EQ
HI PASS
COMPRESSOR
AUDIO
POWER SWITCH
TWEETER
THRESHOLD
LOW PASS
THRESHOLD
THRESHOLD
COMPRESS
BASS RESPONSE
OPTIMIZER
LOW CUT 30Hz
CLASS D
EQ
EQ
LOW GAIN
HI GAIN
LEVEL
LEVEL
INPUT A
INPUT B
LOOP / MIX
CD / TAPE
LINE
OUTPUT
DC SENSE
CURRENT SENSE
THERMAL SENSE
LF AMP
BRO
ON / OFF
PROTECT
HI LOW
HF AMP
DC PROTECT
POWER LED
T
R
T
R
FUSE
SW
AC-IN
+/-15V +/-35V +/-70V
1
2
3
2
31
2
3
1
WOOFER
LED-DISPLAY
BLUE
X6
LIMIT LED
_
+
+
_
+
_
BLOCK DIAGRAM
13