|
|
|
 |
|
Double triode |
| 12AX7
and 12AU7 combined |
|
with heater tap for 6.3V, 0.3A
|
| |
|
Introduced in 1959 |
| |
| 1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
base |
| a2 |
g2 |
k2 |
f |
f |
a1 |
g1 |
k1 |
fct |
B9A |
| |
Vf |
Af |
Va |
Vg |
mAa |
ra |
gm |
Pdiss |
| triode A |
12.6 |
0.15 |
250 |
-2 |
1.2 |
62,500 |
1.6 |
1.2 |
| triode B |
|
|
250 |
-8.5 |
10.5 |
7,700 |
2.2 |
3.3 |
|
|
|
