Nilfisk Alto STEREO TUBE PREAMP 用户手册
11
1
2
3
4
A
B
C
D
4
3
2
1
D
C
B
A
1
2
3
4
5
6
X1
X2
X3
2
1
3
4
2
1
3
22
11
33
BBlock
Diagram
U1(INA163)
TUBE-12AX7
2
1
3
2
3
22
33
2
1
3
1
2
3
4
5
6
X1
X2
X3
POWER
S
UPPL
Y
AC18V
+12VDC
+15VDC
-15VDC
+48VDC
PHANT
O
M
CH1
MICROPHONE
INPUT
CH2
OUTPUT
2
1
3
4
PH
ASE
PH
ASE
+
P
AD(20dB)
CH1
MICROPHONE
INPUT
U2(INA163)
+
P
AD(20dB)
VOL
TAGE
R
EGULA
TO
RUPPL
Y
CH1
OUTPUT
6. TECHNICAL SPECIFICATIONS
6.1 Block Diagram
1
11