manual

E4
NAC 552PS
NAC 552 Preamplifier
4.3 Socket Types and Assignment Defaults
Input Socket Socket Source Button
Number Features Assignment Default
1 DIN input Not assigned
2 DIN input CD
3 DIN input TUNER
4 DIN input/output, unity gain capable TAPE
5 DIN input/output, unity gain capable AV
6 DIN input/output AUX 1
7 DIN input, power output for phono stage AUX 2
8 RCA Phono pair Not assigned
9 RCA Phono pair Not assigned
5 NAC 552 Controls and Connections
5.1 NAC 552 Front
volume
balance
mute
mono
source
bank
record
bank
source and record
selection
5.2 NAC 552 Rear
in 1 in 2 in 3
in 4
in 5 in 6 in 8
ch 1(L)
ch 2(R)
signal ground in 9
ch 1(L)
ch 2(R)
NAC 552PS
in 7 RC5 in
ch1
-ve
nc
nc
ch2
Inputs 1, 2 & 3
ch1
-ve
ch1
(out)
ch2
(out)
ch2
Inputs 4, 5 & 6
+ve
-ve
+ve
ch1
ch2
Input 7
To exit from program mode press and hold the prog key on
the handset until the record select indicators are restored
and the volume indicator stops flashing.
Table 4.3 illustrates the NAC 552 default input assignment.