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= VOLTAGE
MEASUREMENTS
OF TUBES
{In Volts)
Unit
Pin No.
1
2
3
4
5
6
7
8
9
V1
T
0.28
200
0.28
—44
0.28
$2001
R
0
(12.6)
220
0
—60
0
(6.3)
0
FINAL
2
28
2
0.28
4
0.28
V
T
0.
00
.
—44
.
$2001
R
0
(6.3)
220
0
—60
0
0
0
Vi
T
2.3
285
70
12GN7A
| R
0
-33
(12.6)
(12.6}
(6.3)
290
133
V2
T
5
285
200
12BY7A
|R
0
—33
12.6
12.6
6.3
290
ORIVE
(
)
(
)
(6.3)
220
V3
T
0
66
290
140
6BZ6
R } -0.3
0.7
(6.3)
295
64
V4
T
—5.2
150
129
0
—42
137
136
6GAWBA
| R
—5.2
150
129
(6.3)
(4.3)
0
127
131
V1
T | —6.2
142
144
0.8
6BA6
R | —0.2
(6.3)
(12.6)
130
130
1.9
V2
T
6)
1.24
135
43
IF
6CB6
R | -33
~16.5
(6.3)
136
133
V3
T | -42
—20
136
137
6CB6
R
0
1.9
(6.3)
134
134
V4
T
0
150
150
74
6BA6
R | —0.2
(6.3)
(12.6)
130
130
1.9
{Note]
1. Voltage values obtained with the VTVM
having 11MQ of input impedance.
2. T: Maximum transmitting condition (CW)
R: Reception with no input
3. The vatue in (
20
) denotes the AC voltage and others are DC voltage.
[Table 1-a]
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