Infinity Reference Series 1300a - Block Diagram

1 2 3 4
A
B
C
D
4321
D
C
B
A
OP
OP
OP
OP
OP OP
11 25 320 11 32050
AMP
SPEAKER
BALANCED
INPUT
UNIT
BALANCED
INPUT
UNIT
GAIN CONTROL
BASS BOOST
VARIABLE
0dB--6dB/50HZ
MODEL FREQ
VARIABLE LP
11HZ--320HZ/12dB
MAIN AMP
FRONTL
2ohm/4ohm
AUX OUT L
AUX OUT R +
-
Battery
+VCC
-VCC
+V
-V
+15V
-15V
POWER SUPPLY
BLOCK DIAGRAM
1300a Reference Series
7