Marantz MA-9S2 - Block Diagram

4
4. BLOCK DIAGRAM
12
3
BALANCED
1
2
I/V
SPEAKER
OUT
±50V 
PROTECT
UNBALANCED
ATT
ATT
I/V
I/V
I/V
-B
-A
+A
+B
PROTECT
LOGAMP
INPUT
SELECTOR
SOFT
START
±45V OUTPUTSTAGE
±24V
+
+
-
-
+
-
-
+
DRIVESTAGE