7
10K
Mapletree Audio Design Stealth Max Monobloc Power Amplifier
240 VAC for Murray Smith
Po wer
3A.
100/400
330K 1 W
100/400
+
V3
KT88
V4
KT88
Re v. July 12/08
10K
3
4
5
8
3
4
5
8
© Co pyright Ll oyd Peppard 2008
KT88s
1K
1K
1.5 H 20 0 mA
55 Ohms
6SJ7
6SN7
1
5
1
5
2
7
2
7
2
7
8
7
560
470/100
15K
50K
+
MUR180
Bi as
Bi as
CC W
+
+
100/400
ground bus
Input
5VAC/3 A
400
0
400
V5
GZ34/5AR4
6.3 VAC 6 A
200 mA
2
8
4
6
Y
Y
GR
GR
GR/Y
60
R
R/BK
R/Y
R
BR
BR
chassis
10
Bias set
150K
150K 100/400
+
+
150K
150K
100/400
+498 V
3.57K
117
0.047/400
511K 100K
20K
2 W
0.1/4 00
0.1/4 00
221K
V1
6SJ7/6SJ7GT
V2
6SN7GT
3
5
6
22K
2 W
1
4
2
1
4
5
3
8
6
150p
10K
10K
2.7K
270 p
100K
221K
Level
T
UL
UL
T
A43 1S
4300
Ω
C3 54
+437 V
+437 V
+163 V
+163 V
+97 V
+
–
P78 2Sexp
al l 1 W
100/400
+
100/400
+
150K
150K
5.1K 2W
16
8
4
+498 V
1M
11K
2 W
+107 V
1/400
511K
+69 V
+3.1 V
+348 V
-54 V
1.1 V
+495 V
+493 V
60 mA
+507 V
-72 V
-54 V
500
240 VAC
B
G
G/W
B/W
R
332 V
470/100
+
OR
Y
BR
BK